last executing test programs: 54.809286684s ago: executing program 0 (id=4314): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) read(r0, 0x0, 0x0) 54.759187225s ago: executing program 0 (id=4316): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) chdir(&(0x7f0000000240)='./config/usb_gadget/g1\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000440)='bcdDevice\x00', 0x1, 0x0) write(r0, &(0x7f0000000480)='0', 0x1) 54.758717165s ago: executing program 0 (id=4317): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x2, 0x7fff7ffc}]}) openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r1, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0xfffffe14) write$FUSE_INIT(r1, 0x0, 0x0) syz_fuse_handle_req(r1, &(0x7f000000e3c0)="000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000dc4e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ba045abcd5dfc67d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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0x2000, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x78, 0x0, 0x80, {0xc, 0x3, 0x0, {0xfffffffffffffffd, 0x0, 0xfffffffffffffffc, 0x0, 0x8, 0xffffffff, 0xfffffffe, 0x0, 0x80000, 0x8000, 0x0, 0x0, r2, 0x1, 0x3}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20c01, 0x0) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)={0x18}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) writev(r3, &(0x7f0000000200)=[{&(0x7f00000003c0)='U', 0x1}], 0x1) creat(&(0x7f0000000140)='./file0\x00', 0x34) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f0000000d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={0x20, 0x0, 0xa921, {0x0, 0x2}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) close_range(r0, 0xffffffffffffffff, 0x200000000000000) 52.199573226s ago: executing program 0 (id=4338): r0 = syz_usb_connect(0x5, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000b510f210950b2a7773820102030109022400010000000009042200028953950009050a02ff0300fa000905820250"], 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000380)={0x1c, &(0x7f0000000240)=ANY=[@ANYBLOB="200507"], 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000580)={0x1c, &(0x7f0000000100)=ANY=[@ANYBLOB="400d03"], 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, 0x0, 0x0) 51.209234s ago: executing program 1 (id=4345): syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002000000400000000000000102030109022000010100c000090400000200000000"], 0x0) nanosleep(&(0x7f0000000300)={0x0, 0x1dcd6500}, 0x0) r0 = syz_open_dev$usbfs(&(0x7f0000000100), 0xb, 0x2) r1 = syz_open_dev$usbfs(&(0x7f0000000200), 0xc, 0x2) r2 = syz_open_dev$usbfs(&(0x7f0000000300), 0xd, 0x2) r3 = syz_open_dev$usbfs(&(0x7f0000000400), 0xe, 0x2) r4 = syz_open_dev$usbfs(&(0x7f0000000500), 0x15, 0x2) r5 = syz_open_dev$usbfs(&(0x7f0000000600), 0x16, 0x2) syz_open_dev$usbfs(&(0x7f0000000700), 0x17, 0x2) ioctl$USBDEVFS_CONTROL(r0, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) ioctl$USBDEVFS_CONTROL(r1, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) ioctl$USBDEVFS_CONTROL(r2, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) ioctl$USBDEVFS_CONTROL(r3, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) ioctl$USBDEVFS_CONTROL(r4, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) ioctl$USBDEVFS_CONTROL(r5, 0xc0185500, &(0x7f0000000800)={0xa0, 0x6, 0x2900, 0x0, 0x0, 0x3e8, &(0x7f0000000900)}) 49.433622023s ago: executing program 1 (id=4346): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 49.417549843s ago: executing program 1 (id=4349): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/tracing/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) write(r0, &(0x7f0000001000), 0x0) read(r1, &(0x7f0000004000), 0x2000) 49.400569524s ago: executing program 1 (id=4353): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) read(r0, 0x0, 0x0) 49.375857484s ago: executing program 1 (id=4356): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r2, &(0x7f0000000380)='file0\x00', 0x6) 49.375273154s ago: executing program 1 (id=4357): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x2, 0x7fff7ffc}]}) openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r1, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0xfffffe14) write$FUSE_INIT(r1, &(0x7f0000000040)={0x50, 0x0, r2, {0x7, 0x1f, 0x8, 0xffffffffd24b2432, 0x83, 0xffff, 0x0, 0xabe6, 0x0, 0x0, 0x80, 0x8001}}, 0x50) syz_fuse_handle_req(r1, 0x0, 0x0, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r1, &(0x7f0000004200)="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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x78, 0x0, 0x80, {0xc, 0x3, 0x0, {0xfffffffffffffffd, 0x0, 0xfffffffffffffffc, 0x0, 0x8, 0xffffffff, 0xfffffffe, 0x0, 0x80000, 0x8000, 0x0, 0x0, r3, 0x1, 0x3}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20c01, 0x0) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)={0x18}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) writev(r4, &(0x7f0000000200)=[{&(0x7f00000003c0)='U', 0x1}], 0x1) creat(&(0x7f0000000140)='./file0\x00', 0x34) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f0000000d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={0x20, 0x0, 0xa921, {0x0, 0x2}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) close_range(r0, 0xffffffffffffffff, 0x200000000000000) 49.221295378s ago: executing program 2 (id=4366): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r1, &(0x7f0000000380)='file0\x00', 0x6) 49.220878608s ago: executing program 2 (id=4367): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) socket$vsock_stream(0x28, 0x1, 0x0) r1 = eventfd(0xf7b2) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000040)={0x0, r1}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 49.163141469s ago: executing program 2 (id=4368): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x41) ioctl$KVM_SIGNAL_MSI(r1, 0x4020aea5, &(0x7f0000000300)={0xfeeff000, 0x0, 0x40}) 49.155547779s ago: executing program 2 (id=4369): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) close(r1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f0000000040)=0x8, 0x4) userfaultfd(0x1) r3 = getpgrp(0x0) syz_pidfd_open(r3, 0x0) 49.089200681s ago: executing program 2 (id=4370): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) 48.906867346s ago: executing program 0 (id=4371): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) 34.242526498s ago: executing program 0 (id=4373): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x2, 0x0) write(r1, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r2, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r3, &(0x7f0000000500)='Conf 1\x00', 0x7) r4 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r4, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r5 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r5, &(0x7f00000006c0)='Conf 2\x00', 0x7) openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r6, &(0x7f0000000920)='\n\x00', 0x1) 34.184337899s ago: executing program 32 (id=4373): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/usb_gadget/g1/idProduct\x00', 0x2, 0x0) write(r0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/usb_gadget/g1/strings/0x409\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/strings/0x409/manufacturer\x00', 0x2, 0x0) write(r1, &(0x7f0000000340)='Linux Foundation\x00', 0x11) r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/strings/0x409/product\x00', 0x2, 0x0) write(r2, &(0x7f00000003c0)='Test Gadget\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000480)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1/strings/0x409/configuration\x00', 0x2, 0x0) write(r3, &(0x7f0000000500)='Conf 1\x00', 0x7) r4 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/usb_gadget/g1/configs/c.1\x00', 0x0, 0x0) symlinkat(&(0x7f0000000580)='./config/usb_gadget/g1/functions/midi.usb0\x00', r4, &(0x7f00000005c0)='midi.usb0\x00') mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/usb_gadget/g1/configs/c.2\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/configs/c.2/strings/0x409\x00', 0x1ff) r5 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/usb_gadget/g1/configs/c.2/strings/0x409/configuration\x00', 0x2, 0x0) write(r5, &(0x7f00000006c0)='Conf 2\x00', 0x7) openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/configs/c.2\x00', 0x0, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r6, &(0x7f0000000920)='\n\x00', 0x1) 33.72213573s ago: executing program 2 (id=4375): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x800, 0x0) read(r0, 0x0, 0x0) 33.687750431s ago: executing program 33 (id=4375): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x800, 0x0) read(r0, 0x0, 0x0) 32.530452659s ago: executing program 34 (id=4357): r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x2, 0x7fff7ffc}]}) openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) read$FUSE(r1, &(0x7f00000021c0)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0xfffffe14) write$FUSE_INIT(r1, &(0x7f0000000040)={0x50, 0x0, r2, {0x7, 0x1f, 0x8, 0xffffffffd24b2432, 0x83, 0xffff, 0x0, 0xabe6, 0x0, 0x0, 0x80, 0x8001}}, 0x50) syz_fuse_handle_req(r1, 0x0, 0x0, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r1, &(0x7f0000004200)="a28096c80abf3543ecde7564abff5085d2227ebcb0f164ae92706ad0b083a3f469a3efd15b4921e9c3063b98b3082068e7c31950dde842eac55df0f991453cad62a6956b0b6f7b8cf49b506a3060fe1127eca99663ade8efa89ee189acb5f3b92f6bc4c46621c803eed0d0bb5f32384870ed08f89d4f74445762fb99715e083c4c92a8878be19ffacc30d0f2da64f971cd40563163adc15670ecf25cd3ad96138967c4b53ad9d04b5193ab5fb674aa0030a9d703d1baf810ce897f969121f142161919e583c275671b999e7f363891dfdfdf3556d01b86ee29eca8fccbfeaf1771395148706cc6e6be7ce29fc9ffef061b5420950c1a525bf75ad06edec51538d1c5bbc77da72dc90fd9998936fffdda2427e5a68966c7e2208f76304680182ec73007e482f034195712af922db2726195d997708734db9e7825a864be00b2a4f800881fc0363f5e618398454f35b148b4ccb88d418269fac868a8ba4a2d5b4f06a1ac01b5ad158b842e05adca22c7372585bf4ce95560b6c1e021a3ed2ff7bd3b6b3c7734c3b66d7e4c460096312082f89b16baa6e73814aa60925780cd92cd65087e260ec046fc363264366a9df2c849c0644911303946adad544521ceb469a3e193ecc9a7876403fac461a4a70d6193b2451189a5c5120b3535e9edf619108af7f517b58abd3fa7fb1ab832213430d2e6901076fba9c9e1acc6c6f48ff0e419bbc45589745a176f52a7407ad5e3dd49acb31b47862806f47077dda04905e45a80a12cbcd4d2dd9fe66c2d1f99394fed8ec60961cd2dc7115a96ece432fac86d51bebb08b95f447a83792fe80291fca7b298c9043ef2c26f0f7e42798d3f54c84b94c24c76c555d83ecc53b99bb22d71845e5cf21a5ba7fbeffeb6306e1730db14561b950a3f24bcfd78d4ab0d97de8054bb1a6077ae7cca6e45d846d3df82298d07212922742cb0facac3b77edfbab90e9ee2d4f7b0ee9b17bb11ec5e5721340d84cb6bd93428167e69b47759172557acda313c3decdfc6fe9336bfade459f43b39d0f2289f9142db280f4ee668e650e12858c577e12e2b9a57ee66c834be97979bcbe94747fa5d8d0b7d3a9f8f218df1bf960f828429a1efe838616b18faf6629236ddbded43a093efae163228e5c38fd7714743c2fcca47e3382bcfb1ab893fd7377527b4ec43f3fa60ebd338161d8de7cad65b15579e4af258f5fe3a63c2637a15703207029b0899b5427767647baef11e291358e6e54f6f13d3d2ca7a5e7969e04d2733b3b9ab822c69a3cfac097384de5071a9b74a656136d55eb190df08747b509fd610ff62b4950ef71c934fe21a48a4931d3d9458b415f112cee65c660f5490e982341da1c58634b3967ca6f3596d20cc90f508382156e36f16539093240ef5f2aa6a2c0dff2a67df30dcf50bf6e0b82a3d49f2d532a8dde1b3ceefcf0837190b74186090d1c18b59917d7efce1adfb238ef4a7b1d22c4cef09320221de883e97e6882466508de06fcdabad3b741bdca2cff879d57ddda52f42b3dcb8a78cfc05826af7e4ff155960ff8491194f4d321ef195990abaeeefdcb852d1e1e3703f317385a9458b6c2dd9db830f757ec29c9939fc7313e639fe485bc1e41ddaaef3fbf1f7cc527c8fad0d21b8082482caad7bee440e5097665f636c3dfec82f8c98afb6243bc3944939675a594277d278ba4361461f7da52e224e4ce5dee4a467bf6ae9f67b61ac6eb0a440406abac2016eec907e241c57f5f44be47290fd0fef785ff04df3810ccd637b4d97a84bae8486a36f75d872e645fe46625969fc2d1f032c56ed44bd98ea27bd9b6ddc8eb2dc2ec9f90f2f1ca1bd20e37ac58b03c84c872f4ba47310654986641460dfdd531ac62a76ad87b89c103ac5c9c2e7e70c66447b3412d4a1e5cbc30e16939505116c04de33ae054ed366de8d1f971c2de439957a194e22a488f58d7efd46439177f3f3c45a1475927eecd846d3d2e6a2ab5c7f8addd99062c2fc6b272d1f51bb8f22f1b6f8bb3faf8aa85e5eb9abf7df5cf8f26267323808b0833a987989cbe59205e7ad06556e2d1b8a4873ca1cbcbc8d43abc145fd4eb832e7a58ab2c793d003ce7b1850ce45eb7480417a1e9eb9d39a1028a2a04a2aa649c098c4f8eee514db5f6021173bb254b8e22b150b2ca01dc7ff235db46ed78d07f43d1adab13b8445d1b32069eb45f9d389fcf5a3f7d3ebe243c5b1fe17b1f5a3d571b65f21b9e471e818172554dc956749b99cb7a5f303ec480d7194a2ba86e204f06aa1becdddc8c49082c527e7064ac2ad77dc05639d3d2a7778f6943ed6105ebf6f0b9e94fddbe05c236ec000f4d1d4e496b10068211ab68ada4c7f7ac61f5f5ba5f1810d5bbe87ff4f8356af0d3f682baedb0ad8f8488b277421f0a03fc5e3095ee34bc4472d8f17e3f7013cf2f79f5ff3ea4b6bae56d1365a33b09bfa9a496323f7da923b7e29dce4beb81035f13130004c96e56d7ef6ca6c101d20c27a218e623227c33c9e488b17e7ae9ac20da8240501f7b614a1730f164553fe479ef149866e4ea47296814284a3d3eb7cbb294289ffb996e0eb053b9c16e54cf267832e3d360eb196ed51305630223309ea97215628f01ec9d3ea48096418d5e962cac5063460f0a18772ec7ce66d14a1cce14b52c40bbbfafccbf1e76f09e57ff0718048e5b993157a6cf4718826b1e09430413a3596a15c4a620fa8c8e1d1663e5739f9f790ddbb3be0e00187d43717d659242467d8681ac10303346157f894d9037641417010e9654c6a5b22263e73a5a37128f50078a980c30930321aa5c5e7851d5d392ddce3a14a96916fa8421ae6728f37f5de7c3e98feb4babd4e1bd2315d595e209d52748f70adc2284fcdaa6ad880470d2a071f3490aaf3491fb64b4547419e8eccdc491a8921156cb4811ad1e66514a32b0b31b641438881f28c1e6461b4f451938999af671e8c6a5cd0c072a9fe4cdbefe24ca616f3d0a15ac97cca835b1a440e04fa28340c6044176c8ecc8ee0d033d47db8a0aacfa0eabdfa1c9509fc2604008f01cbafeb5bd2b503b809ed672340b9a576593f1ef388391b54b605e7a15bef7b1345627a34fca57738b0f8f4f19eea93c903495274a4425a1a1cc6c4c6e335b631df5185c95b485e4257867b5347a40e4e14dcc560f061fd4fd265137dc68afd548adde778f1330f769acb1ccf5da14ff6992c24e210ea6e6179421881b803393bc6974e37106c5b5b3b5d0b3469f8969bffb7e4ceb2c98e928e74366492d27235ae4c74a2f48511aeeaa53a2beafa7a331b50e454c507af1b63350a5cef35668a5b9325014192277e509561008b3601088f79d42eaa8b1e4ae2000b31749e2b8094312ddb7f3c1cd625ef885c11fa22a66e374b52b3425e0b8016154e1fd8471339e32e7373d63ab646d893fbe09ae07b06074c01401ea76b3c382a9d32f24f93c789964e16bc4206ecd75c10917ab84ffd8d6cdf4cd28fd90375ff28518f8c1a3befc538e1b9e427f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", 0x2000, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)={0x78, 0x0, 0x80, {0xc, 0x3, 0x0, {0xfffffffffffffffd, 0x0, 0xfffffffffffffffc, 0x0, 0x8, 0xffffffff, 0xfffffffe, 0x0, 0x80000, 0x8000, 0x0, 0x0, r3, 0x1, 0x3}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20c01, 0x0) syz_fuse_handle_req(r1, 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2156152091c7efb58f2d39a65b96416dc09e8091ae08d9be5235a3c1ec062862baa1aab788f28e83ba4635cecc6671f2320f42b4f711e7d0fcad89d6727d3630da1ef35e32dee39eda665946abe6224f17f2acc29e62518fd51eb7f193d9bb16c38204069098c293fdce24c1c79229fd08622a4256b581cffce12e46c20248dc902753f0e3c91f9685b3d45f984620e262b3487d67d152f1c50de3fd2067a9d3debf715f346dd2f712c55545336a9036ba82bb06cfae59a48d083c3388f77790c9639fa0a9c33f4c66c7513042bffb765c2a4b3657dddf0ea094d8d79018f66c8ef8e9df980a89906275edf4a467a5db0a623976899f0efd167aab6ff385cdde59027a95a570277cb94ebce503906c28527e3114eb9ed739d0c2f4cf82786b35c0054718f47381ed8ce9b107e1f1019be5fc877166da667036f0c1b84e2b5118b5f4babc052d997e5f1e8c4cf45eb26430b74d9e1df3735b8d5df559903143d983e974bed6cc608c2580a991bdd3628ec676d348de8752cafa80c1661f162e35c25fc0ba0198423f83214fed800f9355ac8ea67951cfeeb3736b50c1e14d45d33aa25fc72c38702bd5dd217842e54114f4799c45ff1b7cec9729382ff7fc3ff80cbe1a13d03e19eecd7de676f6791fe34143ae30c97da9623907d974a37b65d0ef5d46b718d58541c6b1902814de71218ca7396ceb5fdacdc3cf4d110862402e7cc6254f1e44e28593fd443290262db75fd482ce1d305d6bf9fd3e5e0efbedac5a4d097650b111e6e9e1b2c66a23ac5bf27ed78d25d1a54c16ca4287126736c2f17ab73e683798c29d16481775ada8e20d94b00b6b29654b18f60e2853fdc7d3ba55d7df660db90288b6f440efd19f0478047b12c7b07ab2b1c9529597e6462d20612e6c3b6d1b1d11305f8ddc811860450504b7cbf9794edd0d07c25ab6307d74afdce958355eb919dcb1fcb8038c6dd5e774ee398dc8553a9ddeb551f", 0x2000, &(0x7f0000000b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)={0x18}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) writev(r4, &(0x7f0000000200)=[{&(0x7f00000003c0)='U', 0x1}], 0x1) creat(&(0x7f0000000140)='./file0\x00', 0x34) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f0000000d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)={0x20, 0x0, 0xa921, {0x0, 0x2}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) close_range(r0, 0xffffffffffffffff, 0x200000000000000) 32.513126669s ago: executing program 5 (id=4376): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) socket$vsock_stream(0x28, 0x1, 0x0) r1 = eventfd(0xf7b2) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000040)={0x0, r1}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 32.47332178s ago: executing program 4 (id=4374): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/tracing/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) write(r0, &(0x7f0000001000)='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA', 0x30) read(r1, &(0x7f0000004000), 0x2000) 32.446926971s ago: executing program 5 (id=4379): r0 = syz_usb_connect(0x5, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000b510f210950b2a7773820102030109022400010000000009042200028953950009050a02ff0300fa000905820250"], 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000380)={0x1c, &(0x7f0000000240)=ANY=[@ANYBLOB="200507"], 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000580)={0x1c, &(0x7f0000000100)=ANY=[@ANYBLOB="400d03"], 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, 0x0, 0x0) 32.446711541s ago: executing program 3 (id=4377): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r1, &(0x7f0000000380)='file0\x00', 0x6) 32.446437061s ago: executing program 4 (id=4380): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000500)=""/4092}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 32.417843171s ago: executing program 3 (id=4381): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) 32.303063514s ago: executing program 3 (id=4382): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) 32.113761178s ago: executing program 3 (id=4383): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r2, &(0x7f0000000380)='file0\x00', 0x6) close(r2) symlink(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/mass_storage.0\x00', &(0x7f0000000400)='./config/usb_gadget/g1/configs/c.1/mass_storage.0\x00') r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r3, &(0x7f0000000480)='dummy_udc.0', 0xb) close(r3) 32.07779565s ago: executing program 3 (id=4384): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) close(r1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f0000000040)=0x8, 0x4) userfaultfd(0x1) r3 = getpgrp(0x0) syz_pidfd_open(r3, 0x0) 31.255365239s ago: executing program 3 (id=4385): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) write(r4, &(0x7f0000000500)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40) 31.115401262s ago: executing program 5 (id=4386): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) r1 = eventfd(0xf7b2) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000040)={0x0, r1}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 31.002706055s ago: executing program 4 (id=4387): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 14.816004484s ago: executing program 35 (id=4387): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 14.675263807s ago: executing program 36 (id=4386): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f00000000c0)=0x1) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) r1 = eventfd(0xf7b2) ioctl$VHOST_SET_VRING_ERR(r0, 0x4008af22, &(0x7f0000000040)={0x0, r1}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 14.629726928s ago: executing program 37 (id=4385): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='sys_mnt/block/zram0/comp_algorithm\x00', 0x1, 0x0) write(r1, &(0x7f0000000380)='zstd', 0x4) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='sys_mnt/block/zram0/disksize\x00', 0x1, 0x0) write(r3, &(0x7f0000000480)='10485760', 0x8) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='dev_mnt/zram0\x00', 0x2, 0x0) write(r4, &(0x7f0000000500)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x40) 13.596003893s ago: executing program 6 (id=4391): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) 13.519165355s ago: executing program 6 (id=4392): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r2, &(0x7f0000000380)='file0\x00', 0x6) close(r2) symlink(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/mass_storage.0\x00', &(0x7f0000000400)='./config/usb_gadget/g1/configs/c.1/mass_storage.0\x00') r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r3, &(0x7f0000000480)='dummy_udc.0', 0xb) close(r3) 13.457029827s ago: executing program 6 (id=4393): r0 = syz_usb_connect(0x5, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000b510f210950b2a7773820102030109022400010000000009042200028953950009050a02ff0300fa000905820250"], 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000380)={0x1c, &(0x7f0000000240)=ANY=[@ANYBLOB="200507"], 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, &(0x7f0000000580)={0x1c, &(0x7f0000000100)=ANY=[@ANYBLOB="400d03"], 0x0, 0x0}) syz_usb_control_io$uac2(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000280)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac3(r0, 0x0, 0x0) 13.450779487s ago: executing program 7 (id=4388): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/tracing/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) write(r0, &(0x7f0000001000)='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA', 0x30) read(r1, &(0x7f0000004000), 0x2000) 13.415026838s ago: executing program 8 (id=4389): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r1, &(0x7f0000000380)='file0\x00', 0x6) 13.414349128s ago: executing program 7 (id=4394): sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="4800000002"], 0x48}}, 0x0) r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) ioctl$VHOST_SET_OWNER(r0, 0xaf01, 0x0) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000300)={0x1, 0x0, 0x0, &(0x7f0000000480)=""/74, 0x0}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000400)) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000280)={0x0, 0x0, 0x0, &(0x7f0000000340)=""/185, &(0x7f0000000140)=""/92}) ioctl$VHOST_VSOCK_SET_GUEST_CID(r0, 0x4008af60, &(0x7f0000001500)={@my=0x1}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[@ANYBLOB="640000000001010400000000141a000002000000240001801400018008000100e000000108000200e00000010c00028005000100000000002400028014000180080001"], 0x64}}, 0x40110) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000200)={0x28, 0x0, 0xffffffff, @my=0x1}, 0x10) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000500)=""/4092}) ioctl$VHOST_VSOCK_SET_RUNNING(r0, 0x4004af61, &(0x7f0000000000)=0x1) 13.411849438s ago: executing program 9 (id=4390): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000002c0), 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) 13.384071948s ago: executing program 9 (id=4395): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) close(r1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f0000000040)=0x8, 0x4) userfaultfd(0x1) r3 = getpgrp(0x0) syz_pidfd_open(r3, 0x0) 13.383449538s ago: executing program 8 (id=4396): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SIGNAL_MSI(r1, 0x4020aea5, &(0x7f0000000300)={0xfeeff000, 0x0, 0x40}) 13.128866474s ago: executing program 9 (id=4397): r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='file0\x00', 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) 12.977691288s ago: executing program 8 (id=4398): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./config\x00', &(0x7f0000000300)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r0, &(0x7f0000000600)='0x1d6b\x00', 0x7) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f0000000800)='0x0104\x00', 0x7) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000001100)='./config/usb_gadget/g1/functions/uac1.usb0/c_chmask\x00', 0x1, 0x0) write(r2, &(0x7f0000001200)='3\x00', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000001300)='./config/usb_gadget/g1/functions/uac1.usb0/c_srate\x00', 0x1, 0x0) write(r3, &(0x7f0000001400)='48000\x00', 0x6) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000001500)='./config/usb_gadget/g1/functions/uac1.usb0/c_ssize\x00', 0x1, 0x0) write(r4, &(0x7f0000001600)='2\x00', 0x2) close(r4) mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000c00)='./config/usb_gadget/g1/configs/c.1/strings/0x409\x00', 0x1ff) symlinkat(&(0x7f0000000d00)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000e00)='./config/usb_gadget/g1/configs/c.1/uac1.usb0\x00') r5 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) write(r5, &(0x7f0000001000)='dummy_udc.0\x00', 0xc) close(r5) nanosleep(&(0x7f0000000300)={0x0, 0x1dcd6500}, 0x0) 12.977457398s ago: executing program 7 (id=4399): r0 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x1ff) ftruncate(r0, 0xf4240) close(r0) mkdir(&(0x7f0000000080)='./sys\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./config\x00', &(0x7f00000001c0)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000200)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000240)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/usb_gadget/g1/functions/mass_storage.0\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/cdrom\x00', 0x2, 0x0) write(r1, &(0x7f0000000300)='1\x00', 0x2) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/functions/mass_storage.0/lun.0/file\x00', 0x2, 0x0) write(r2, &(0x7f0000000380)='file0\x00', 0x6) close(r2) symlink(&(0x7f00000003c0)='./config/usb_gadget/g1/functions/mass_storage.0\x00', &(0x7f0000000400)='./config/usb_gadget/g1/configs/c.1/mass_storage.0\x00') r3 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/usb_gadget/g1/UDC\x00', 0x2, 0x0) write(r3, &(0x7f0000000480)='dummy_udc.0', 0xb) close(r3) 10.199071775s ago: executing program 6 (id=4400): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='sys_mnt\x00', 0x1ff) mount(&(0x7f00000000c0)=@filename='none\x00', &(0x7f0000000100)='sys_mnt\x00', &(0x7f0000000140)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='dev_mnt\x00', 0x1ff) mount(&(0x7f00000001c0)=@filename='none\x00', &(0x7f0000000200)='dev_mnt\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='dict0\x00', 0x42, 0x1ff) write(r0, &(0x7f00000002c0)="00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00112233445566778899aabbccddeeff", 0x100) r1 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='sys_mnt/block/zram0/algorithm_params\x00', 0x1, 0x0) write(r1, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 10.183519355s ago: executing program 6 (id=4401): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) close(r1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f0000000040)=0x8, 0x4) userfaultfd(0x1) r3 = getpgrp(0x0) r4 = syz_pidfd_open(r3, 0x0) fsetxattr$trusted_overlay_nlink(r4, &(0x7f00000018c0), 0x0, 0x0, 0x1) fremovexattr(r4, &(0x7f0000000280)=@known='trusted.overlay.nlink\x00') r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r5, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='numa_maps\x00') 774.337971ms ago: executing program 6 (id=4402): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/tracing/trace_marker\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/tracing/trace_pipe\x00', 0x800, 0x0) write(r0, &(0x7f0000001000)='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA', 0x30) read(r1, &(0x7f0000004000), 0x2000) 103.190937ms ago: executing program 7 (id=4403): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x7, @ipv4={'\x00', '\xff\xff', @local}, 0x1}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, 0x0, 0x0) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) 0s ago: executing program 38 (id=4403): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000040)=0x100000001, 0x76dc) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x7, @ipv4={'\x00', '\xff\xff', @local}, 0x1}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, 0x0, 0x0) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x2, &(0x7f00000003c0)=@gcm_128={{0x303}, "77b40400", "bb6710bc8150e4a1a117d7b27caf00", "8c76287d", "3d8efa05fdffffff"}, 0x28) recvfrom(r0, 0x0, 0x0, 0x12, 0x0, 0x0) kernel console output (not intermixed with test programs): 6][ T31] mld_newpack+0x162/0xa10 [ 652.262306][ T31] ? __switch_to+0xc6b/0x1320 [ 652.262332][ T31] ? mld_sendpack+0xd10/0xd10 [ 652.262352][ T31] ? __cfi___switch_to+0x10/0x10 [ 652.262376][ T31] ? kthread_data+0x54/0xc0 [ 652.262396][ T31] add_grec+0xf20/0x1400 [ 652.262415][ T31] ? __kasan_check_write+0x18/0x20 [ 652.262433][ T31] ? mutex_lock+0x97/0x1d0 [ 652.262456][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.262479][ T31] ? __schedule+0x149e/0x20b0 [ 652.262501][ T31] mld_ifc_work+0x71d/0xc40 [ 652.262522][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.262544][ T31] worker_thread+0xc99/0x13f0 [ 652.262566][ T31] kthread+0x2c7/0x360 [ 652.262585][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.262604][ T31] ? __cfi_kthread+0x10/0x10 [ 652.262625][ T31] ret_from_fork+0x67/0xa0 [ 652.262651][ T31] ? __cfi_kthread+0x10/0x10 [ 652.262671][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.262690][ T31] [ 652.262731][ T31] FAULT_INJECTION: forcing a failure. [ 652.262731][ T31] name failslab, interval 1, probability 10, space 0, times 76 [ 652.267039][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.267063][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.267074][ T6864] Call Trace: [ 652.267080][ T6864] [ 652.267087][ T6864] __dump_stack+0x21/0x30 [ 652.267112][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.267135][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.267159][ T6864] ? avc_has_perm+0x155/0x240 [ 652.267181][ T6864] dump_stack+0x19/0x20 [ 652.267208][ T6864] should_fail_ex+0x3c2/0x510 [ 652.267229][ T6864] should_failslab+0xac/0x100 [ 652.267250][ T6864] __kmalloc_cache_noprof+0x41/0x470 [ 652.267269][ T6864] ? kernfs_fop_open+0x357/0xd50 [ 652.267294][ T6864] ? __kasan_check_write+0x18/0x20 [ 652.267313][ T6864] kernfs_fop_open+0x357/0xd50 [ 652.267338][ T6864] ? __cfi_kernfs_fop_open+0x10/0x10 [ 652.267362][ T6864] do_dentry_open+0x97c/0x1510 [ 652.267387][ T6864] vfs_open+0x86/0x240 [ 652.267410][ T6864] ? __cfi_vfs_open+0x10/0x10 [ 652.267433][ T6864] ? may_open+0x352/0x430 [ 652.267455][ T6864] path_openat+0x2c49/0x35a0 [ 652.267480][ T6864] ? kasan_save_alloc_info+0x3a/0x50 [ 652.267506][ T6864] ? getname+0x1b/0x30 [ 652.267524][ T6864] ? x64_sys_call+0xe69/0x2ee0 [ 652.267541][ T6864] ? do_syscall_64+0x57/0xf0 [ 652.267561][ T6864] ? do_filp_open+0x440/0x440 [ 652.267585][ T6864] do_filp_open+0x1f2/0x440 [ 652.267614][ T6864] ? __cfi_do_filp_open+0x10/0x10 [ 652.267639][ T6864] ? alloc_fd+0x4c1/0x570 [ 652.267660][ T6864] do_sys_openat2+0x134/0x1d0 [ 652.267685][ T6864] ? do_sys_open+0x100/0x100 [ 652.267710][ T6864] __x64_sys_openat+0x13a/0x170 [ 652.267734][ T6864] x64_sys_call+0xe69/0x2ee0 [ 652.267751][ T6864] do_syscall_64+0x57/0xf0 [ 652.267770][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.267794][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.267816][ T6864] RIP: 0033:0x7f90bebca407 [ 652.267831][ T6864] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.267846][ T6864] RSP: 002b:00007ffcb4242020 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 652.267865][ T6864] RAX: ffffffffffffffda RBX: 00007f90beb3e880 RCX: 00007f90bebca407 [ 652.267879][ T6864] RDX: 0000000000080000 RSI: 00007ffcb42421a0 RDI: ffffffffffffff9c [ 652.267892][ T6864] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 652.267904][ T6864] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e68a27f7f5 [ 652.267917][ T6864] R13: 000055e68a27f7f5 R14: 0000000000000001 R15: 000055e68a29a140 [ 652.267933][ T6864] [ 652.268775][T11704] CPU: 0 UID: 0 PID: 11704 Comm: syz.8.4396 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.268806][T11704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.268818][T11704] Call Trace: [ 652.268824][T11704] [ 652.268833][T11704] __dump_stack+0x21/0x30 [ 652.268862][T11704] dump_stack_lvl+0x140/0x1c0 [ 652.268888][T11704] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.268915][T11704] ? handle_mm_fault+0x16fe/0x1ba0 [ 652.268940][T11704] dump_stack+0x19/0x20 [ 652.268965][T11704] should_fail_ex+0x3c2/0x510 [ 652.268987][T11704] should_failslab+0xac/0x100 [ 652.269009][T11704] kmem_cache_alloc_noprof+0x42/0x410 [ 652.269029][T11704] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.269051][T11704] ? getname_flags+0xcc/0x6b0 [ 652.269071][T11704] getname_flags+0xcc/0x6b0 [ 652.269091][T11704] ? __kasan_check_write+0x18/0x20 [ 652.269111][T11704] getname+0x1b/0x30 [ 652.269129][T11704] do_sys_openat2+0xda/0x1d0 [ 652.269155][T11704] ? do_sys_open+0x100/0x100 [ 652.269180][T11704] ? __kasan_check_write+0x18/0x20 [ 652.269200][T11704] __x64_sys_openat+0x13a/0x170 [ 652.269229][T11704] x64_sys_call+0xe69/0x2ee0 [ 652.269247][T11704] do_syscall_64+0x57/0xf0 [ 652.269268][T11704] ? clear_bhb_loop+0x50/0xa0 [ 652.269293][T11704] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.269318][T11704] RIP: 0033:0x7f2159b9df99 [ 652.269334][T11704] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 652.269351][T11704] RSP: 002b:00007f215aaf7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 652.269373][T11704] RAX: ffffffffffffffda RBX: 00007f2159e25fa0 RCX: 00007f2159b9df99 [ 652.269389][T11704] RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c [ 652.269403][T11704] RBP: 00007f2159c34ec4 R08: 0000000000000000 R09: 0000000000000000 [ 652.269416][T11704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 652.269429][T11704] R13: 00007f2159e26038 R14: 00007f2159e25fa0 R15: 00007fff1fdd00a8 [ 652.269445][T11704] [ 652.269554][ T6864] FAULT_INJECTION: forcing a failure. [ 652.269554][ T6864] name failslab, interval 1, probability 10, space 0, times 71 [ 652.271981][T11674] FAULT_INJECTION: forcing a failure. [ 652.271981][T11674] name failslab, interval 1, probability 10, space 0, times 71 [ 652.275909][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.275934][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.275946][ T377] Workqueue: mld mld_ifc_work [ 652.275969][ T377] Call Trace: [ 652.275975][ T377] [ 652.275982][ T377] __dump_stack+0x21/0x30 [ 652.276008][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.276031][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.276055][ T377] ? ref_tracker_alloc+0x356/0x5b0 [ 652.276078][ T377] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.276099][ T377] ? dst_alloc+0x163/0x240 [ 652.276119][ T377] dump_stack+0x19/0x20 [ 652.276141][ T377] should_fail_ex+0x3c2/0x510 [ 652.276161][ T377] should_failslab+0xac/0x100 [ 652.276183][ T377] __kmalloc_cache_noprof+0x41/0x470 [ 652.276202][ T377] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.276222][ T377] ? dst_init+0x329/0x430 [ 652.276241][ T377] dst_cow_metrics_generic+0x65/0x2a0 [ 652.276262][ T377] icmp6_dst_alloc+0x313/0x4f0 [ 652.276279][ T377] mld_sendpack+0x5ac/0xd10 [ 652.276300][ T377] ? add_grec+0x1400/0x1400 [ 652.276319][ T377] ? add_grec+0xfa8/0x1400 [ 652.276338][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.276357][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.276382][ T377] mld_ifc_work+0x7cc/0xc40 [ 652.276400][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.276422][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.276445][ T377] worker_thread+0xc99/0x13f0 [ 652.276465][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.276487][ T377] ? __kasan_check_read+0x15/0x20 [ 652.276506][ T377] kthread+0x2c7/0x360 [ 652.276527][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.276546][ T377] ? __cfi_kthread+0x10/0x10 [ 652.276566][ T377] ret_from_fork+0x67/0xa0 [ 652.276591][ T377] ? __cfi_kthread+0x10/0x10 [ 652.276619][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.276638][ T377] [ 652.276734][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.276758][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.276770][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 652.276790][ T2044] Call Trace: [ 652.276796][ T2044] [ 652.276803][ T2044] __dump_stack+0x21/0x30 [ 652.276827][ T2044] dump_stack_lvl+0x140/0x1c0 [ 652.276850][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.276875][ T2044] dump_stack+0x19/0x20 [ 652.276898][ T2044] should_fail_ex+0x3c2/0x510 [ 652.276919][ T2044] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.276940][ T2044] should_failslab+0xac/0x100 [ 652.276961][ T2044] kmem_cache_alloc_noprof+0x42/0x410 [ 652.276980][ T2044] ? dst_alloc+0x13c/0x240 [ 652.276999][ T2044] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.277020][ T2044] dst_alloc+0x13c/0x240 [ 652.277038][ T2044] icmp6_dst_alloc+0xef/0x4f0 [ 652.277056][ T2044] ndisc_send_skb+0x2a6/0xca0 [ 652.277073][ T2044] ? __kasan_check_write+0x18/0x20 [ 652.277092][ T2044] ? __cfi_ndisc_send_skb+0x10/0x10 [ 652.277110][ T2044] ? __asan_memcpy+0x5a/0x80 [ 652.277128][ T2044] ? ndisc_ns_create+0x6af/0x8d0 [ 652.277146][ T2044] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.277169][ T2044] ndisc_send_ns+0xd8/0x160 [ 652.277187][ T2044] ? __cfi_ndisc_send_ns+0x10/0x10 [ 652.277207][ T2044] addrconf_dad_work+0xa0e/0x1550 [ 652.277227][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 652.277246][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 652.277265][ T2044] ? kick_pool+0xb9/0x540 [ 652.277286][ T2044] process_scheduled_works+0x7f7/0x1060 [ 652.277308][ T2044] worker_thread+0xc99/0x13f0 [ 652.277327][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.277347][ T2044] ? __kasan_check_read+0x15/0x20 [ 652.277366][ T2044] kthread+0x2c7/0x360 [ 652.277385][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 652.277404][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.277424][ T2044] ret_from_fork+0x67/0xa0 [ 652.277448][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.277468][ T2044] ret_from_fork_asm+0x1a/0x30 [ 652.277487][ T2044] [ 652.277735][ T2044] FAULT_INJECTION: forcing a failure. [ 652.277735][ T2044] name failslab, interval 1, probability 10, space 0, times 67 [ 652.280610][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.280636][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.280648][ T31] Workqueue: mld mld_ifc_work [ 652.280669][ T31] Call Trace: [ 652.280675][ T31] [ 652.280682][ T31] __dump_stack+0x21/0x30 [ 652.280707][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.280731][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.280756][ T31] dump_stack+0x19/0x20 [ 652.280779][ T31] should_fail_ex+0x3c2/0x510 [ 652.280799][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.280820][ T31] should_failslab+0xac/0x100 [ 652.280841][ T31] kmem_cache_alloc_noprof+0x42/0x410 [ 652.280865][ T31] ? kasan_save_alloc_info+0x3a/0x50 [ 652.280891][ T31] ? dst_alloc+0x13c/0x240 [ 652.280910][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.280931][ T31] dst_alloc+0x13c/0x240 [ 652.280949][ T31] icmp6_dst_alloc+0xef/0x4f0 [ 652.280967][ T31] mld_sendpack+0x5ac/0xd10 [ 652.280989][ T31] ? add_grec+0x1400/0x1400 [ 652.281008][ T31] ? add_grec+0xfa8/0x1400 [ 652.281027][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.281046][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.281070][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.281089][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.281117][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.281139][ T31] worker_thread+0xc99/0x13f0 [ 652.281161][ T31] kthread+0x2c7/0x360 [ 652.281180][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.281199][ T31] ? __cfi_kthread+0x10/0x10 [ 652.281219][ T31] ret_from_fork+0x67/0xa0 [ 652.281243][ T31] ? __cfi_kthread+0x10/0x10 [ 652.281262][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.281281][ T31] [ 652.281413][ T285] FAULT_INJECTION: forcing a failure. [ 652.281413][ T285] name failslab, interval 1, probability 10, space 0, times 66 [ 652.285656][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.285681][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.285691][ T6864] Call Trace: [ 652.285698][ T6864] [ 652.285705][ T6864] __dump_stack+0x21/0x30 [ 652.285730][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.285754][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.285780][ T6864] dump_stack+0x19/0x20 [ 652.285802][ T6864] should_fail_ex+0x3c2/0x510 [ 652.285823][ T6864] should_failslab+0xac/0x100 [ 652.285844][ T6864] __kmalloc_cache_noprof+0x41/0x470 [ 652.285864][ T6864] ? kernfs_fop_open+0x716/0xd50 [ 652.285889][ T6864] ? seq_open+0xaa/0x1d0 [ 652.285912][ T6864] kernfs_fop_open+0x716/0xd50 [ 652.285936][ T6864] ? __cfi_kernfs_fop_open+0x10/0x10 [ 652.285961][ T6864] do_dentry_open+0x97c/0x1510 [ 652.285986][ T6864] vfs_open+0x86/0x240 [ 652.286009][ T6864] ? __cfi_vfs_open+0x10/0x10 [ 652.286032][ T6864] ? may_open+0x352/0x430 [ 652.286055][ T6864] path_openat+0x2c49/0x35a0 [ 652.286079][ T6864] ? kasan_save_alloc_info+0x3a/0x50 [ 652.286105][ T6864] ? getname+0x1b/0x30 [ 652.286124][ T6864] ? x64_sys_call+0xe69/0x2ee0 [ 652.286141][ T6864] ? do_syscall_64+0x57/0xf0 [ 652.286162][ T6864] ? do_filp_open+0x440/0x440 [ 652.286187][ T6864] do_filp_open+0x1f2/0x440 [ 652.286210][ T6864] ? __cfi_do_filp_open+0x10/0x10 [ 652.286236][ T6864] ? alloc_fd+0x4c1/0x570 [ 652.286257][ T6864] do_sys_openat2+0x134/0x1d0 [ 652.286282][ T6864] ? do_sys_open+0x100/0x100 [ 652.286308][ T6864] __x64_sys_openat+0x13a/0x170 [ 652.286333][ T6864] x64_sys_call+0xe69/0x2ee0 [ 652.286350][ T6864] do_syscall_64+0x57/0xf0 [ 652.286370][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.286394][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.286417][ T6864] RIP: 0033:0x7f90bebca407 [ 652.286432][ T6864] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.286447][ T6864] RSP: 002b:00007ffcb4242020 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 652.286466][ T6864] RAX: ffffffffffffffda RBX: 00007f90beb3e880 RCX: 00007f90bebca407 [ 652.286480][ T6864] RDX: 0000000000080000 RSI: 00007ffcb42421a0 RDI: ffffffffffffff9c [ 652.286494][ T6864] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 652.286506][ T6864] R10: 0000000000000000 R11: 0000000000000202 R12: 000055e68a27f7f5 [ 652.286518][ T6864] R13: 000055e68a27f7f5 R14: 0000000000000001 R15: 000055e68a29a140 [ 652.286534][ T6864] [ 652.287685][ T6864] FAULT_INJECTION: forcing a failure. [ 652.287685][ T6864] name failslab, interval 1, probability 10, space 0, times 63 [ 652.291206][ T109] FAULT_INJECTION: forcing a failure. [ 652.291206][ T109] name failslab, interval 1, probability 10, space 0, times 63 [ 652.295616][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.295642][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.295655][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 652.295680][ T2044] Call Trace: [ 652.295687][ T2044] [ 652.295694][ T2044] __dump_stack+0x21/0x30 [ 652.295720][ T2044] dump_stack_lvl+0x140/0x1c0 [ 652.295744][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.295768][ T2044] ? ip6_output+0x1fe/0x420 [ 652.295791][ T2044] ? __cfi_ip6_output+0x10/0x10 [ 652.295812][ T2044] dump_stack+0x19/0x20 [ 652.295834][ T2044] should_fail_ex+0x3c2/0x510 [ 652.295856][ T2044] should_failslab+0xac/0x100 [ 652.295878][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.295898][ T2044] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 652.295919][ T2044] ? __alloc_skb+0x10c/0x360 [ 652.295944][ T2044] __alloc_skb+0x10c/0x360 [ 652.295967][ T2044] ndisc_ns_create+0x2c0/0x8d0 [ 652.295985][ T2044] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.296006][ T2044] ? __mod_timer+0x881/0xd20 [ 652.296028][ T2044] ? __cfi_ndisc_ns_create+0x10/0x10 [ 652.296053][ T2044] ndisc_send_ns+0xbb/0x160 [ 652.296071][ T2044] ? __cfi_ndisc_send_ns+0x10/0x10 [ 652.296090][ T2044] addrconf_dad_work+0xa0e/0x1550 [ 652.296111][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 652.296130][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 652.296151][ T2044] ? kick_pool+0xb9/0x540 [ 652.296172][ T2044] process_scheduled_works+0x7f7/0x1060 [ 652.296194][ T2044] worker_thread+0xc99/0x13f0 [ 652.296214][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.296235][ T2044] ? __kasan_check_read+0x15/0x20 [ 652.296254][ T2044] kthread+0x2c7/0x360 [ 652.296274][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 652.296293][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.296313][ T2044] ret_from_fork+0x67/0xa0 [ 652.296338][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.296357][ T2044] ret_from_fork_asm+0x1a/0x30 [ 652.296376][ T2044] [ 652.296440][ T377] FAULT_INJECTION: forcing a failure. [ 652.296440][ T377] name failslab, interval 1, probability 10, space 0, times 63 [ 652.299958][ T109] CPU: 1 UID: 0 PID: 109 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.299983][ T109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.299994][ T109] Call Trace: [ 652.300000][ T109] [ 652.300007][ T109] __dump_stack+0x21/0x30 [ 652.300032][ T109] dump_stack_lvl+0x140/0x1c0 [ 652.300056][ T109] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.300081][ T109] dump_stack+0x19/0x20 [ 652.300104][ T109] should_fail_ex+0x3c2/0x510 [ 652.300132][ T109] should_failslab+0xac/0x100 [ 652.300153][ T109] kmem_cache_alloc_noprof+0x42/0x410 [ 652.300172][ T109] ? getname_flags+0xcc/0x6b0 [ 652.300193][ T109] getname_flags+0xcc/0x6b0 [ 652.300213][ T109] getname+0x1b/0x30 [ 652.300232][ T109] do_sys_openat2+0xda/0x1d0 [ 652.300256][ T109] ? putname+0x113/0x150 [ 652.300275][ T109] ? do_sys_open+0x100/0x100 [ 652.300299][ T109] ? do_readlinkat+0x447/0x520 [ 652.300323][ T109] ? cp_old_stat+0x4d0/0x4d0 [ 652.300347][ T109] __x64_sys_openat+0x13a/0x170 [ 652.300372][ T109] x64_sys_call+0xe69/0x2ee0 [ 652.300389][ T109] do_syscall_64+0x57/0xf0 [ 652.300410][ T109] ? clear_bhb_loop+0x50/0xa0 [ 652.300434][ T109] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.300457][ T109] RIP: 0033:0x7f90bebca407 [ 652.300472][ T109] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.300487][ T109] RSP: 002b:00007ffcb424abd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 652.300506][ T109] RAX: ffffffffffffffda RBX: 00007f90beb3e880 RCX: 00007f90bebca407 [ 652.300521][ T109] RDX: 0000000000080141 RSI: 000055e68a27f02e RDI: ffffffffffffff9c [ 652.300534][ T109] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 652.300546][ T109] R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff [ 652.300559][ T109] R13: 00000000ffffffff R14: ffffffffffffffff R15: 00007ffcb424aef0 [ 652.300575][ T109] [ 652.300645][ T109] udevd[109]: could not touch /run/udev/queue: Cannot allocate memory [ 652.304734][T11703] CPU: 0 UID: 0 PID: 11703 Comm: syz.8.4396 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.304759][T11703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.304769][T11703] Call Trace: [ 652.304775][T11703] [ 652.304782][T11703] __dump_stack+0x21/0x30 [ 652.304807][T11703] dump_stack_lvl+0x140/0x1c0 [ 652.304832][T11703] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.304856][T11703] ? mas_prev+0x5f/0xa0 [ 652.304881][T11703] dump_stack+0x19/0x20 [ 652.304903][T11703] should_fail_ex+0x3c2/0x510 [ 652.304924][T11703] should_failslab+0xac/0x100 [ 652.304945][T11703] kmem_cache_alloc_noprof+0x42/0x410 [ 652.304964][T11703] ? perf_event_mmap+0x264/0x17a0 [ 652.304988][T11703] ? __anon_vma_prepare+0xec/0x590 [ 652.305008][T11703] __anon_vma_prepare+0xec/0x590 [ 652.305026][T11703] do_pte_missing+0x2bbf/0x4440 [ 652.305051][T11703] ? pte_marker_clear+0x1b0/0x1b0 [ 652.305074][T11703] ? vma_modify_flags+0x182/0x1c0 [ 652.305095][T11703] ? vma_wants_writenotify+0xca/0x2e0 [ 652.305116][T11703] ? vma_set_page_prot+0xcc/0x110 [ 652.305134][T11703] ? pte_offset_map_rw_nolock+0x236/0x2c0 [ 652.305161][T11703] handle_mm_fault+0x1189/0x1ba0 [ 652.305184][T11703] ? __cfi_handle_mm_fault+0x10/0x10 [ 652.305204][T11703] ? lock_vma_under_rcu+0x4cf/0x590 [ 652.305229][T11703] do_user_addr_fault+0x951/0x1230 [ 652.305257][T11703] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 652.305281][T11703] exc_page_fault+0x58/0xc0 [ 652.305306][T11703] asm_exc_page_fault+0x2b/0x30 [ 652.305327][T11703] RIP: 0033:0x7f2159b5b144 [ 652.305342][T11703] Code: 8d 3c 30 4c 89 de 4c 89 54 24 30 e8 66 2c 04 00 4c 8b 54 24 30 85 c0 0f 85 e1 00 00 00 48 8b 44 24 28 48 89 df 4c 89 54 24 30 <4c> 89 93 98 06 00 00 48 89 83 90 06 00 00 48 8d 83 10 03 00 00 4c [ 652.305357][T11703] RSP: 002b:00007fff1fdd0050 EFLAGS: 00010246 [ 652.305374][T11703] RAX: 00007f215aab6000 RBX: 00007f215aad66c0 RCX: 00007f2159b9dd97 [ 652.305388][T11703] RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f215aad66c0 [ 652.305401][T11703] RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 [ 652.305413][T11703] R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff1fdd01a0 [ 652.305426][T11703] R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 [ 652.305441][T11703] [ 652.305457][T11703] Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF [ 652.309612][ T285] CPU: 1 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.309636][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.309647][ T285] Call Trace: [ 652.309653][ T285] [ 652.309660][ T285] __dump_stack+0x21/0x30 [ 652.309684][ T285] dump_stack_lvl+0x140/0x1c0 [ 652.309708][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.309731][ T285] ? fput+0x1a4/0x230 [ 652.309754][ T285] dump_stack+0x19/0x20 [ 652.309777][ T285] should_fail_ex+0x3c2/0x510 [ 652.309797][ T285] should_failslab+0xac/0x100 [ 652.309819][ T285] kmem_cache_alloc_noprof+0x42/0x410 [ 652.309836][ T285] ? jbd2__journal_start+0x16d/0x860 [ 652.309859][ T285] jbd2__journal_start+0x16d/0x860 [ 652.309879][ T285] __ext4_journal_start_sb+0x111/0x3f0 [ 652.309906][ T285] ext4_dirty_inode+0x97/0x110 [ 652.309928][ T285] ? __cfi_ext4_dirty_inode+0x10/0x10 [ 652.309949][ T285] __mark_inode_dirty+0x251/0xc50 [ 652.309968][ T285] ? __cfi___mark_inode_dirty+0x10/0x10 [ 652.309987][ T285] ? __cfi_pollwake+0x10/0x10 [ 652.310016][ T285] ? mnt_get_write_access_file+0x1af/0x3b0 [ 652.310042][ T285] file_update_time+0x1d3/0x210 [ 652.310067][ T285] ext4_page_mkwrite+0x2bf/0x1120 [ 652.310089][ T285] ? inode_update_timestamps+0x57b/0x6e0 [ 652.310122][ T285] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 652.310144][ T285] ? __cfi___mark_inode_dirty+0x10/0x10 [ 652.310163][ T285] do_wp_page+0xb40/0x2e80 [ 652.310184][ T285] ? pipe_read+0x1016/0x11d0 [ 652.310202][ T285] ? __cfi___check_object_size+0x10/0x10 [ 652.310222][ T285] ? folio_put+0x90/0x90 [ 652.310241][ T285] ? __kasan_check_write+0x18/0x20 [ 652.310260][ T285] ? _raw_spin_lock+0x92/0x120 [ 652.310280][ T285] ? __cfi__raw_spin_lock+0x10/0x10 [ 652.310299][ T285] ? pte_offset_map_rw_nolock+0x236/0x2c0 [ 652.310326][ T285] handle_mm_fault+0x1017/0x1ba0 [ 652.310349][ T285] ? __cfi_handle_mm_fault+0x10/0x10 [ 652.310369][ T285] ? lock_vma_under_rcu+0x4cf/0x590 [ 652.310392][ T285] ? __kasan_check_read+0x15/0x20 [ 652.310411][ T285] do_user_addr_fault+0x951/0x1230 [ 652.310436][ T285] ? __cfi_ksys_read+0x10/0x10 [ 652.310456][ T285] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 652.310480][ T285] exc_page_fault+0x58/0xc0 [ 652.310505][ T285] asm_exc_page_fault+0x2b/0x30 [ 652.310527][ T285] RIP: 0033:0x7f92984700a3 [ 652.310541][ T285] Code: 85 0e 01 00 00 be 04 00 00 00 48 89 df e8 05 b9 fe ff 48 8b 43 40 83 43 30 04 48 89 df be 08 00 00 00 48 8d 50 fc 48 89 53 40 <89> 68 fc 8b 6b 30 e8 e2 b8 fe ff 48 8b 43 48 be 06 00 00 00 89 28 [ 652.310556][ T285] RSP: 002b:00007ffd4918e080 EFLAGS: 00010206 [ 652.310573][ T285] RAX: 00007f92921f9d38 RBX: 00007ffd4918e1b0 RCX: 0000000000000000 [ 652.310586][ T285] RDX: 00007f92921f9d34 RSI: 0000000000000008 RDI: 00007ffd4918e1b0 [ 652.310599][ T285] RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000 [ 652.310611][ T285] R10: 00007ffd4918e190 R11: 0000000000000000 R12: 0000000000000000 [ 652.310623][ T285] R13: 00000000000062c8 R14: ffffffffffff9d38 R15: 0000000000000000 [ 652.310639][ T285] [ 652.310917][T11674] CPU: 1 UID: 0 PID: 11674 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.310943][T11674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.310953][T11674] Call Trace: [ 652.310960][T11674] [ 652.310967][T11674] __dump_stack+0x21/0x30 [ 652.310991][T11674] dump_stack_lvl+0x140/0x1c0 [ 652.311015][T11674] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.311040][T11674] dump_stack+0x19/0x20 [ 652.311063][T11674] should_fail_ex+0x3c2/0x510 [ 652.311082][T11674] should_failslab+0xac/0x100 [ 652.311104][T11674] kmem_cache_alloc_noprof+0x42/0x410 [ 652.311132][T11674] ? security_file_alloc+0x49/0x220 [ 652.311158][T11674] ? kasan_save_alloc_info+0x3a/0x50 [ 652.311185][T11674] security_file_alloc+0x49/0x220 [ 652.311210][T11674] init_file+0x9e/0x210 [ 652.311233][T11674] alloc_empty_file+0xd9/0x270 [ 652.311255][T11674] path_openat+0xf4/0x35a0 [ 652.311278][T11674] ? stack_depot_save_flags+0x38/0x800 [ 652.311300][T11674] ? arch_stack_walk+0x10a/0x170 [ 652.311319][T11674] ? kasan_save_track+0x4f/0x80 [ 652.311339][T11674] ? kasan_save_track+0x3e/0x80 [ 652.311359][T11674] ? kasan_save_alloc_info+0x3a/0x50 [ 652.311384][T11674] ? __kasan_slab_alloc+0x73/0x90 [ 652.311406][T11674] ? getname+0x1b/0x30 [ 652.311424][T11674] ? do_sys_openat2+0xda/0x1d0 [ 652.311448][T11674] ? __x64_sys_openat+0x13a/0x170 [ 652.311472][T11674] ? x64_sys_call+0xe69/0x2ee0 [ 652.311489][T11674] ? do_syscall_64+0x57/0xf0 [ 652.311510][T11674] ? do_filp_open+0x440/0x440 [ 652.311534][T11674] do_filp_open+0x1f2/0x440 [ 652.311556][T11674] ? __cfi_do_filp_open+0x10/0x10 [ 652.311581][T11674] ? alloc_fd+0x4c1/0x570 [ 652.311603][T11674] do_sys_openat2+0x134/0x1d0 [ 652.311627][T11674] ? __cfi_path_umount+0x10/0x10 [ 652.311653][T11674] ? do_sys_open+0x100/0x100 [ 652.311677][T11674] ? __x64_sys_umount+0x12e/0x180 [ 652.311694][T11674] __x64_sys_openat+0x13a/0x170 [ 652.311719][T11674] x64_sys_call+0xe69/0x2ee0 [ 652.311737][T11674] do_syscall_64+0x57/0xf0 [ 652.311756][T11674] ? clear_bhb_loop+0x50/0xa0 [ 652.311780][T11674] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.311802][T11674] RIP: 0033:0x7f395b99d2bc [ 652.311817][T11674] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 652.311831][T11674] RSP: 002b:00007fff7af586f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 652.311851][T11674] RAX: ffffffffffffffda RBX: 00007f395ba34314 RCX: 00007f395b99d2bc [ 652.311864][T11674] RDX: 0000000000090800 RSI: 00007fff7af598a0 RDI: 00000000ffffff9c [ 652.311878][T11674] RBP: 00007fff7af5988c R08: 0000000000000000 R09: 0000000000000000 [ 652.311891][T11674] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff7af598a0 [ 652.311903][T11674] R13: 00007f395ba34314 R14: 0000000000095969 R15: 00007fff7af598e0 [ 652.311923][T11674] [ 652.316518][ T285] FAULT_INJECTION: forcing a failure. [ 652.316518][ T285] name failslab, interval 1, probability 10, space 0, times 54 [ 652.320135][ T2044] FAULT_INJECTION: forcing a failure. [ 652.320135][ T2044] name failslab, interval 1, probability 10, space 0, times 52 [ 652.325312][ C1] FAULT_INJECTION: forcing a failure. [ 652.325312][ C1] name failslab, interval 1, probability 10, space 0, times 52 [ 652.332104][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.332131][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.332143][ T6864] Call Trace: [ 652.332149][ T6864] [ 652.332157][ T6864] __dump_stack+0x21/0x30 [ 652.332185][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.332209][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.332234][ T6864] dump_stack+0x19/0x20 [ 652.332257][ T6864] should_fail_ex+0x3c2/0x510 [ 652.332278][ T6864] should_failslab+0xac/0x100 [ 652.332302][ T6864] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 652.332323][ T6864] ? security_context_to_sid_core+0xde/0x5c0 [ 652.332350][ T6864] kmemdup_nul+0x5a/0x1a0 [ 652.332376][ T6864] security_context_to_sid_core+0xde/0x5c0 [ 652.332400][ T6864] ? security_context_to_sid+0x60/0x60 [ 652.332424][ T6864] ? __kasan_check_write+0x18/0x20 [ 652.332443][ T6864] ? _raw_spin_lock+0x92/0x120 [ 652.332464][ T6864] security_context_to_sid_force+0x37/0x50 [ 652.332488][ T6864] selinux_inode_post_setxattr+0x10f/0x4b0 [ 652.332514][ T6864] ? __cfi_selinux_inode_post_setxattr+0x10/0x10 [ 652.332540][ T6864] ? __cfi___fsnotify_parent+0x10/0x10 [ 652.332559][ T6864] security_inode_post_setxattr+0xea/0x150 [ 652.332584][ T6864] __vfs_setxattr_noperm+0x50f/0x670 [ 652.332620][ T6864] __vfs_setxattr_locked+0x212/0x240 [ 652.332639][ T6864] vfs_setxattr+0x16b/0x2f0 [ 652.332656][ T6864] ? __cfi_vfs_setxattr+0x10/0x10 [ 652.332673][ T6864] ? mnt_want_write+0x321/0x510 [ 652.332697][ T6864] path_setxattr+0x337/0x5a0 [ 652.332718][ T6864] ? simple_xattrs_free+0x180/0x180 [ 652.332742][ T6864] ? cp_old_stat+0x4d0/0x4d0 [ 652.332765][ T6864] ? __cfi___x64_sys_utimensat+0x10/0x10 [ 652.332793][ T6864] __x64_sys_lsetxattr+0xc6/0xe0 [ 652.332811][ T6864] x64_sys_call+0x2db8/0x2ee0 [ 652.332829][ T6864] do_syscall_64+0x57/0xf0 [ 652.332849][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.332873][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.332896][ T6864] RIP: 0033:0x7f90bec4057a [ 652.332912][ T6864] Code: 48 83 c4 08 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 0f 1f 44 00 00 31 db eb e4 0f 1f 40 00 49 89 ca b8 bd 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4e 38 0d 00 f7 d8 64 89 01 48 [ 652.332927][ T6864] RSP: 002b:00007ffcb4249b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 652.332948][ T6864] RAX: ffffffffffffffda RBX: 000055e6944f4b10 RCX: 00007f90bec4057a [ 652.332962][ T6864] RDX: 000055e6944f4b10 RSI: 00007f90bed7c29c RDI: 00007ffcb424a660 [ 652.332976][ T6864] RBP: 000055e6942b88d0 R08: 0000000000000000 R09: 000055e6942bd450 [ 652.332989][ T6864] R10: 000000000000001b R11: 0000000000000246 R12: 00007ffcb424a660 [ 652.333001][ T6864] R13: 0000000000000001 R14: 000055e68a27f6d7 R15: 000055e6944ff6a0 [ 652.333017][ T6864] [ 652.333026][ T6864] SELinux: unable to map context to SIDfor (devtmpfs, 383), rc=12 [ 652.334031][ C1] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.334058][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.334071][ C1] Workqueue: mld mld_ifc_work [ 652.334093][ C1] Call Trace: [ 652.334100][ C1] [ 652.334114][ C1] __dump_stack+0x21/0x30 [ 652.334140][ C1] dump_stack_lvl+0x140/0x1c0 [ 652.334163][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.334188][ C1] dump_stack+0x19/0x20 [ 652.334211][ C1] should_fail_ex+0x3c2/0x510 [ 652.334232][ C1] should_failslab+0xac/0x100 [ 652.334254][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 652.334273][ C1] ? skb_clone+0x21d/0x470 [ 652.334290][ C1] ? __cfi_br_multicast_count+0x10/0x10 [ 652.334410][ C1] skb_clone+0x21d/0x470 [ 652.334427][ C1] br_flood+0x650/0x720 [ 652.334468][ C1] br_handle_frame_finish+0x1157/0x1620 [ 652.334506][ C1] ? get_stack_info+0x3e/0x100 [ 652.334527][ C1] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 652.334548][ C1] ? is_bpf_text_address+0x17b/0x1a0 [ 652.334575][ C1] ? kernel_text_address+0xa9/0xe0 [ 652.334600][ C1] br_handle_frame+0x5a5/0xba0 [ 652.334622][ C1] ? __cfi_br_handle_frame+0x10/0x10 [ 652.334642][ C1] __netif_receive_skb_core+0xfc1/0x3a70 [ 652.334668][ C1] ? psi_task_change+0x24d/0x4f0 [ 652.334692][ C1] ? kasan_save_stack+0x4d/0x60 [ 652.334713][ C1] ? kasan_save_stack+0x3e/0x60 [ 652.334733][ C1] ? __kasan_record_aux_stack+0xb2/0xd0 [ 652.334758][ C1] ? __queue_work+0x9d0/0x1130 [ 652.334780][ C1] ? delayed_work_timer_fn+0x65/0x90 [ 652.334801][ C1] ? call_timer_fn+0x4c/0x300 [ 652.334825][ C1] ? __irq_exit_rcu+0x47/0xb0 [ 652.334843][ C1] ? qdisc_run_end+0x120/0x120 [ 652.334865][ C1] ? console_flush_all+0x6fd/0xab0 [ 652.334890][ C1] ? console_unlock+0xf8/0x2c0 [ 652.334911][ C1] ? vprintk_emit+0x282/0x650 [ 652.334932][ C1] ? vprintk_default+0x2a/0x40 [ 652.334954][ C1] ? vprintk+0x93/0xa0 [ 652.334970][ C1] ? _printk+0xde/0x140 [ 652.334992][ C1] ? should_fail_ex+0x3a4/0x510 [ 652.335011][ C1] ? should_failslab+0xac/0x100 [ 652.335032][ C1] ? kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.335051][ C1] ? __alloc_skb+0x10c/0x360 [ 652.335074][ C1] ? tcp_stream_alloc_skb+0x43/0x370 [ 652.335093][ C1] ? tcp_sendmsg_locked+0xcbc/0x4ac0 [ 652.335118][ C1] ? tcp_sendmsg+0x3e/0xd0 [ 652.335135][ C1] ? inet_sendmsg+0xb7/0x120 [ 652.335157][ C1] ? sock_write_iter+0x3bf/0x490 [ 652.335182][ C1] ? vfs_write+0x762/0xfd0 [ 652.335200][ C1] ? ksys_write+0x145/0x260 [ 652.335218][ C1] ? __x64_sys_write+0x7f/0x90 [ 652.335236][ C1] ? x64_sys_call+0x271c/0x2ee0 [ 652.335253][ C1] ? do_syscall_64+0x57/0xf0 [ 652.335273][ C1] ? __kasan_check_write+0x18/0x20 [ 652.335291][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 652.335311][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.335333][ C1] process_backlog+0x40b/0xaf0 [ 652.335358][ C1] ? __kasan_check_write+0x18/0x20 [ 652.335377][ C1] __napi_poll+0xd0/0x600 [ 652.335400][ C1] net_rx_action+0x5dc/0xd70 [ 652.335426][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 652.335450][ C1] ? sched_clock+0x44/0x60 [ 652.335473][ C1] ? __cfi_sched_clock_cpu+0x10/0x10 [ 652.335498][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 652.335523][ C1] handle_softirqs+0x1aa/0x620 [ 652.335542][ C1] ? __dev_queue_xmit+0x26c/0x3780 [ 652.335566][ C1] __do_softirq+0xf/0x16 [ 652.335587][ C1] do_softirq+0xb8/0x110 [ 652.335605][ C1] [ 652.335611][ C1] [ 652.335618][ C1] ? __cfi_do_softirq+0x10/0x10 [ 652.335637][ C1] __local_bh_enable_ip+0x74/0x80 [ 652.335655][ C1] __dev_queue_xmit+0x1b23/0x3780 [ 652.335678][ C1] ? __dev_queue_xmit+0x26c/0x3780 [ 652.335701][ C1] ? fib_rules_lookup+0x7c7/0xa20 [ 652.335748][ C1] ? __cfi_fib_rules_lookup+0x10/0x10 [ 652.335771][ C1] ? __cfi___dev_queue_xmit+0x10/0x10 [ 652.335794][ C1] ? mroute6_is_socket+0x227/0x360 [ 652.335819][ C1] ? __cfi_mroute6_is_socket+0x10/0x10 [ 652.335845][ C1] ? ip6t_do_table+0x1d2/0x1510 [ 652.335863][ C1] ? __asan_memcpy+0x5a/0x80 [ 652.335881][ C1] ip6_finish_output2+0x16b2/0x1990 [ 652.335907][ C1] ? __cfi_ip6_finish_output2+0x10/0x10 [ 652.335931][ C1] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 652.335952][ C1] ip6_finish_output+0x535/0xaf0 [ 652.335975][ C1] ip6_output+0x1fe/0x420 [ 652.335997][ C1] ? __cfi_ip6_output+0x10/0x10 [ 652.336018][ C1] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.336039][ C1] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.336057][ C1] ? __cfi_ip6_output+0x10/0x10 [ 652.336079][ C1] mld_sendpack+0x751/0xd10 [ 652.336101][ C1] ? add_grec+0x1400/0x1400 [ 652.336126][ C1] ? add_grec+0xfa8/0x1400 [ 652.336145][ C1] ? __cfi_dst_output+0x10/0x10 [ 652.336166][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 652.336190][ C1] mld_ifc_work+0x7cc/0xc40 [ 652.336209][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.336231][ C1] process_scheduled_works+0x7f7/0x1060 [ 652.336253][ C1] worker_thread+0xc99/0x13f0 [ 652.336274][ C1] kthread+0x2c7/0x360 [ 652.336294][ C1] ? __cfi_worker_thread+0x10/0x10 [ 652.336313][ C1] ? __cfi_kthread+0x10/0x10 [ 652.336333][ C1] ret_from_fork+0x67/0xa0 [ 652.336356][ C1] ? __cfi_kthread+0x10/0x10 [ 652.336376][ C1] ret_from_fork_asm+0x1a/0x30 [ 652.336395][ C1] [ 652.336599][ T31] FAULT_INJECTION: forcing a failure. [ 652.336599][ T31] name failslab, interval 1, probability 10, space 0, times 50 [ 652.340590][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.340622][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.340636][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 652.340658][ T2044] Call Trace: [ 652.340665][ T2044] [ 652.340673][ T2044] __dump_stack+0x21/0x30 [ 652.340699][ T2044] dump_stack_lvl+0x140/0x1c0 [ 652.340722][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.340747][ T2044] dump_stack+0x19/0x20 [ 652.340770][ T2044] should_fail_ex+0x3c2/0x510 [ 652.340791][ T2044] should_failslab+0xac/0x100 [ 652.340813][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.340833][ T2044] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 652.340854][ T2044] ? __alloc_skb+0x10c/0x360 [ 652.340879][ T2044] __alloc_skb+0x10c/0x360 [ 652.340902][ T2044] ndisc_ns_create+0x2c0/0x8d0 [ 652.340920][ T2044] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.340941][ T2044] ? __mod_timer+0x881/0xd20 [ 652.340962][ T2044] ? __cfi_ndisc_ns_create+0x10/0x10 [ 652.340983][ T2044] ndisc_send_ns+0xbb/0x160 [ 652.341001][ T2044] ? __cfi_ndisc_send_ns+0x10/0x10 [ 652.341021][ T2044] addrconf_dad_work+0xa0e/0x1550 [ 652.341041][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 652.341060][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 652.341081][ T2044] ? kick_pool+0xb9/0x540 [ 652.341102][ T2044] process_scheduled_works+0x7f7/0x1060 [ 652.341124][ T2044] worker_thread+0xc99/0x13f0 [ 652.341143][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.341164][ T2044] ? __kasan_check_read+0x15/0x20 [ 652.341182][ T2044] kthread+0x2c7/0x360 [ 652.341201][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 652.341220][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.341239][ T2044] ret_from_fork+0x67/0xa0 [ 652.341264][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.341284][ T2044] ret_from_fork_asm+0x1a/0x30 [ 652.341302][ T2044] [ 652.341591][ T2044] FAULT_INJECTION: forcing a failure. [ 652.341591][ T2044] name failslab, interval 1, probability 10, space 0, times 49 [ 652.343794][ T285] CPU: 1 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.343818][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.343829][ T285] Call Trace: [ 652.343836][ T285] [ 652.343843][ T285] __dump_stack+0x21/0x30 [ 652.343867][ T285] dump_stack_lvl+0x140/0x1c0 [ 652.343891][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.343914][ T285] ? stack_depot_save_flags+0x38/0x800 [ 652.343936][ T285] ? dequeue_entity+0x88a/0x13b0 [ 652.343959][ T285] ? pgd_free+0x1ce/0x1f0 [ 652.343978][ T285] dump_stack+0x19/0x20 [ 652.344001][ T285] should_fail_ex+0x3c2/0x510 [ 652.344021][ T285] should_failslab+0xac/0x100 [ 652.344043][ T285] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.344062][ T285] ? __alloc_skb+0x10c/0x360 [ 652.344086][ T285] __alloc_skb+0x10c/0x360 [ 652.344116][ T285] ? tcp_current_mss+0x539/0x8b0 [ 652.344136][ T285] tcp_stream_alloc_skb+0x43/0x370 [ 652.344154][ T285] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 652.344173][ T285] ? avc_has_perm_noaudit+0x289/0x360 [ 652.344196][ T285] ? __kasan_check_write+0x18/0x20 [ 652.344215][ T285] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 652.344237][ T285] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 652.344255][ T285] ? avc_has_perm+0x155/0x240 [ 652.344277][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 652.344294][ T285] tcp_sendmsg+0x3e/0xd0 [ 652.344311][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 652.344329][ T285] inet_sendmsg+0xb7/0x120 [ 652.344350][ T285] ? __cfi_inet_sendmsg+0x10/0x10 [ 652.344370][ T285] sock_write_iter+0x3bf/0x490 [ 652.344391][ T285] ? __cfi_sock_write_iter+0x10/0x10 [ 652.344414][ T285] ? usleep_range_state+0x150/0x150 [ 652.344434][ T285] vfs_write+0x762/0xfd0 [ 652.344454][ T285] ? __cfi_vfs_write+0x10/0x10 [ 652.344473][ T285] ? _copy_from_user+0x87/0xa0 [ 652.344498][ T285] ? __kasan_check_read+0x15/0x20 [ 652.344517][ T285] ksys_write+0x145/0x260 [ 652.344535][ T285] ? xfd_validate_state+0x68/0x140 [ 652.344559][ T285] ? __cfi_ksys_write+0x10/0x10 [ 652.344578][ T285] ? __kasan_check_write+0x18/0x20 [ 652.344596][ T285] ? fpregs_restore_userregs+0x11c/0x260 [ 652.344619][ T285] __x64_sys_write+0x7f/0x90 [ 652.344638][ T285] x64_sys_call+0x271c/0x2ee0 [ 652.344655][ T285] do_syscall_64+0x57/0xf0 [ 652.344677][ T285] ? clear_bhb_loop+0x50/0xa0 [ 652.344703][ T285] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.344727][ T285] RIP: 0033:0x7f9298559117 [ 652.344745][ T285] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.344761][ T285] RSP: 002b:00007ffd4918e1a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 652.344782][ T285] RAX: ffffffffffffffda RBX: 0000555579ac1500 RCX: 00007f9298559117 [ 652.344797][ T285] RDX: 0000000000000038 RSI: 0000555579ad5738 RDI: 0000000000000003 [ 652.344810][ T285] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 652.344822][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 652.344834][ T285] R13: 0000555579ad5738 R14: ffffffffffffffe8 R15: 00007ffd4918e7e0 [ 652.344851][ T285] [ 652.347429][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.347453][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.347465][ T31] Workqueue: mld mld_ifc_work [ 652.347489][ T31] Call Trace: [ 652.347495][ T31] [ 652.347502][ T31] __dump_stack+0x21/0x30 [ 652.347527][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.347550][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.347574][ T31] ? swake_up_one_online+0x4d/0xf0 [ 652.347604][ T31] dump_stack+0x19/0x20 [ 652.347626][ T31] should_fail_ex+0x3c2/0x510 [ 652.347647][ T31] should_failslab+0xac/0x100 [ 652.347669][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.347689][ T31] ? __rcu_read_unlock+0xc0/0xc0 [ 652.347712][ T31] ? __alloc_skb+0x10c/0x360 [ 652.347735][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.347757][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.347776][ T31] __alloc_skb+0x10c/0x360 [ 652.347800][ T31] mld_newpack+0x162/0xa10 [ 652.347821][ T31] ? mld_sendpack+0xd10/0xd10 [ 652.347840][ T31] ? add_grec+0x1400/0x1400 [ 652.347859][ T31] ? add_grec+0xfa8/0x1400 [ 652.347879][ T31] add_grec+0xf20/0x1400 [ 652.347898][ T31] ? __kasan_check_write+0x18/0x20 [ 652.347916][ T31] ? mutex_lock+0x97/0x1d0 [ 652.347940][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.347964][ T31] mld_ifc_work+0x71d/0xc40 [ 652.347983][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.348005][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.348028][ T31] worker_thread+0xc99/0x13f0 [ 652.348050][ T31] kthread+0x2c7/0x360 [ 652.348071][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.348090][ T31] ? __cfi_kthread+0x10/0x10 [ 652.348119][ T31] ret_from_fork+0x67/0xa0 [ 652.348146][ T31] ? __cfi_kthread+0x10/0x10 [ 652.348167][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.348186][ T31] [ 652.348531][ T31] FAULT_INJECTION: forcing a failure. [ 652.348531][ T31] name failslab, interval 1, probability 10, space 0, times 46 [ 652.361585][ T6864] FAULT_INJECTION: forcing a failure. [ 652.361585][ T6864] name failslab, interval 1, probability 10, space 0, times 40 [ 652.364513][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.364544][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.364557][ T31] Workqueue: mld mld_ifc_work [ 652.364601][ T31] Call Trace: [ 652.364608][ T31] [ 652.364617][ T31] __dump_stack+0x21/0x30 [ 652.364650][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.364674][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.364700][ T31] dump_stack+0x19/0x20 [ 652.364723][ T31] should_fail_ex+0x3c2/0x510 [ 652.364746][ T31] should_failslab+0xac/0x100 [ 652.364772][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.364795][ T31] ? __alloc_skb+0x10c/0x360 [ 652.364821][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.364845][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.364864][ T31] __alloc_skb+0x10c/0x360 [ 652.364887][ T31] mld_newpack+0x162/0xa10 [ 652.364908][ T31] ? mld_sendpack+0xd10/0xd10 [ 652.364928][ T31] ? add_grec+0x1400/0x1400 [ 652.364947][ T31] ? add_grec+0xfa8/0x1400 [ 652.364967][ T31] add_grec+0xf20/0x1400 [ 652.364987][ T31] ? __kasan_check_write+0x18/0x20 [ 652.365005][ T31] ? mutex_lock+0x97/0x1d0 [ 652.365031][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.365056][ T31] mld_ifc_work+0x71d/0xc40 [ 652.365075][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.365097][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.365121][ T31] worker_thread+0xc99/0x13f0 [ 652.365143][ T31] kthread+0x2c7/0x360 [ 652.365163][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.365183][ T31] ? __cfi_kthread+0x10/0x10 [ 652.365202][ T31] ret_from_fork+0x67/0xa0 [ 652.365228][ T31] ? __cfi_kthread+0x10/0x10 [ 652.365248][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.365267][ T31] [ 652.365321][ T31] FAULT_INJECTION: forcing a failure. [ 652.365321][ T31] name failslab, interval 1, probability 10, space 0, times 39 [ 652.369467][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.369494][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.369507][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 652.369529][ T2044] Call Trace: [ 652.369535][ T2044] [ 652.369543][ T2044] __dump_stack+0x21/0x30 [ 652.369568][ T2044] dump_stack_lvl+0x140/0x1c0 [ 652.369592][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.369617][ T2044] dump_stack+0x19/0x20 [ 652.369640][ T2044] should_fail_ex+0x3c2/0x510 [ 652.369660][ T2044] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.369682][ T2044] should_failslab+0xac/0x100 [ 652.369704][ T2044] kmem_cache_alloc_noprof+0x42/0x410 [ 652.369722][ T2044] ? dst_alloc+0x13c/0x240 [ 652.369744][ T2044] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.369764][ T2044] dst_alloc+0x13c/0x240 [ 652.369782][ T2044] icmp6_dst_alloc+0xef/0x4f0 [ 652.369800][ T2044] ndisc_send_skb+0x2a6/0xca0 [ 652.369820][ T2044] ? __kasan_check_write+0x18/0x20 [ 652.369839][ T2044] ? __cfi_ndisc_send_skb+0x10/0x10 [ 652.369857][ T2044] ? __asan_memcpy+0x5a/0x80 [ 652.369875][ T2044] ? ndisc_ns_create+0x6af/0x8d0 [ 652.369893][ T2044] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.369917][ T2044] ndisc_send_ns+0xd8/0x160 [ 652.369935][ T2044] ? __cfi_ndisc_send_ns+0x10/0x10 [ 652.369955][ T2044] addrconf_dad_work+0xa0e/0x1550 [ 652.369975][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 652.369994][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 652.370013][ T2044] ? kick_pool+0xb9/0x540 [ 652.370036][ T2044] process_scheduled_works+0x7f7/0x1060 [ 652.370057][ T2044] worker_thread+0xc99/0x13f0 [ 652.370086][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.370108][ T2044] ? __kasan_check_read+0x15/0x20 [ 652.370126][ T2044] kthread+0x2c7/0x360 [ 652.370146][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 652.370165][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.370184][ T2044] ret_from_fork+0x67/0xa0 [ 652.370208][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.370228][ T2044] ret_from_fork_asm+0x1a/0x30 [ 652.370247][ T2044] [ 652.370320][ T2044] FAULT_INJECTION: forcing a failure. [ 652.370320][ T2044] name failslab, interval 1, probability 10, space 0, times 38 [ 652.374846][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.374870][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.374883][ T31] Workqueue: mld mld_ifc_work [ 652.374902][ T31] Call Trace: [ 652.374909][ T31] [ 652.374916][ T31] __dump_stack+0x21/0x30 [ 652.374939][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.374963][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.374985][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 652.375009][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.375030][ T31] ? dst_alloc+0x163/0x240 [ 652.375049][ T31] dump_stack+0x19/0x20 [ 652.375076][ T31] should_fail_ex+0x3c2/0x510 [ 652.375096][ T31] should_failslab+0xac/0x100 [ 652.375117][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 652.375136][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.375156][ T31] ? dst_init+0x329/0x430 [ 652.375175][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 652.375196][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 652.375213][ T31] mld_sendpack+0x5ac/0xd10 [ 652.375234][ T31] ? add_grec+0x1400/0x1400 [ 652.375253][ T31] ? add_grec+0xfa8/0x1400 [ 652.375272][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.375291][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.375316][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.375335][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.375356][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.375378][ T31] worker_thread+0xc99/0x13f0 [ 652.375400][ T31] kthread+0x2c7/0x360 [ 652.375420][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.375438][ T31] ? __cfi_kthread+0x10/0x10 [ 652.375457][ T31] ret_from_fork+0x67/0xa0 [ 652.375481][ T31] ? __cfi_kthread+0x10/0x10 [ 652.375501][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.375519][ T31] [ 652.375770][ T31] FAULT_INJECTION: forcing a failure. [ 652.375770][ T31] name failslab, interval 1, probability 10, space 0, times 37 [ 652.379087][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.379112][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.379124][ T377] Workqueue: mld mld_ifc_work [ 652.379143][ T377] Call Trace: [ 652.379150][ T377] [ 652.379157][ T377] __dump_stack+0x21/0x30 [ 652.379181][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.379204][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.379229][ T377] dump_stack+0x19/0x20 [ 652.379252][ T377] should_fail_ex+0x3c2/0x510 [ 652.379272][ T377] should_failslab+0xac/0x100 [ 652.379294][ T377] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.379313][ T377] ? __rcu_read_unlock+0xc0/0xc0 [ 652.379339][ T377] ? __alloc_skb+0x10c/0x360 [ 652.379361][ T377] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.379383][ T377] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.379401][ T377] __alloc_skb+0x10c/0x360 [ 652.379425][ T377] mld_newpack+0x162/0xa10 [ 652.379445][ T377] ? mld_sendpack+0xd10/0xd10 [ 652.379465][ T377] ? add_grec+0x1400/0x1400 [ 652.379484][ T377] ? add_grec+0xfa8/0x1400 [ 652.379503][ T377] add_grec+0xf20/0x1400 [ 652.379522][ T377] ? __kasan_check_write+0x18/0x20 [ 652.379540][ T377] ? mutex_lock+0x97/0x1d0 [ 652.379563][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.379588][ T377] mld_ifc_work+0x71d/0xc40 [ 652.379606][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.379627][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.379649][ T377] worker_thread+0xc99/0x13f0 [ 652.379669][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.379689][ T377] ? __kasan_check_read+0x15/0x20 [ 652.379708][ T377] kthread+0x2c7/0x360 [ 652.379728][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.379746][ T377] ? __cfi_kthread+0x10/0x10 [ 652.379765][ T377] ret_from_fork+0x67/0xa0 [ 652.379789][ T377] ? __cfi_kthread+0x10/0x10 [ 652.379809][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.379828][ T377] [ 652.380297][ T377] FAULT_INJECTION: forcing a failure. [ 652.380297][ T377] name failslab, interval 1, probability 10, space 0, times 36 [ 652.383445][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.383470][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.383482][ T31] Workqueue: mld mld_ifc_work [ 652.383502][ T31] Call Trace: [ 652.383509][ T31] [ 652.383516][ T31] __dump_stack+0x21/0x30 [ 652.383540][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.383565][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.383594][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 652.383616][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.383637][ T31] ? dst_alloc+0x163/0x240 [ 652.383657][ T31] dump_stack+0x19/0x20 [ 652.383679][ T31] should_fail_ex+0x3c2/0x510 [ 652.383700][ T31] should_failslab+0xac/0x100 [ 652.383721][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 652.383741][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.383760][ T31] ? dst_init+0x329/0x430 [ 652.383779][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 652.383799][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 652.383816][ T31] mld_sendpack+0x5ac/0xd10 [ 652.383837][ T31] ? add_grec+0x1400/0x1400 [ 652.383856][ T31] ? add_grec+0xfa8/0x1400 [ 652.383875][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.383894][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.383919][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.383937][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.383959][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.383980][ T31] worker_thread+0xc99/0x13f0 [ 652.384001][ T31] kthread+0x2c7/0x360 [ 652.384020][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.384039][ T31] ? __cfi_kthread+0x10/0x10 [ 652.384059][ T31] ret_from_fork+0x67/0xa0 [ 652.384084][ T31] ? __cfi_kthread+0x10/0x10 [ 652.384104][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.384122][ T31] [ 652.384355][ T31] FAULT_INJECTION: forcing a failure. [ 652.384355][ T31] name failslab, interval 1, probability 10, space 0, times 33 [ 652.388201][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.388226][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.388236][ T6864] Call Trace: [ 652.388243][ T6864] [ 652.388250][ T6864] __dump_stack+0x21/0x30 [ 652.388275][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.388298][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.388324][ T6864] dump_stack+0x19/0x20 [ 652.388346][ T6864] should_fail_ex+0x3c2/0x510 [ 652.388366][ T6864] should_failslab+0xac/0x100 [ 652.388388][ T6864] kmem_cache_alloc_noprof+0x42/0x410 [ 652.388407][ T6864] ? security_file_alloc+0x49/0x220 [ 652.388434][ T6864] ? kasan_save_alloc_info+0x3a/0x50 [ 652.388461][ T6864] security_file_alloc+0x49/0x220 [ 652.388486][ T6864] init_file+0x9e/0x210 [ 652.388508][ T6864] alloc_empty_file+0xd9/0x270 [ 652.388531][ T6864] path_openat+0xf4/0x35a0 [ 652.388555][ T6864] ? stack_depot_save_flags+0x38/0x800 [ 652.388576][ T6864] ? __fsnotify_parent+0x227/0x6e0 [ 652.388595][ T6864] ? kasan_save_track+0x4f/0x80 [ 652.388615][ T6864] ? kasan_save_track+0x3e/0x80 [ 652.388635][ T6864] ? kasan_save_alloc_info+0x3a/0x50 [ 652.388660][ T6864] ? __kasan_slab_alloc+0x73/0x90 [ 652.388680][ T6864] ? getname+0x1b/0x30 [ 652.388717][ T6864] ? do_sys_openat2+0xda/0x1d0 [ 652.388741][ T6864] ? __x64_sys_openat+0x13a/0x170 [ 652.388765][ T6864] ? x64_sys_call+0xe69/0x2ee0 [ 652.388782][ T6864] ? do_syscall_64+0x57/0xf0 [ 652.388803][ T6864] ? do_filp_open+0x440/0x440 [ 652.388827][ T6864] do_filp_open+0x1f2/0x440 [ 652.388850][ T6864] ? __cfi_do_filp_open+0x10/0x10 [ 652.388875][ T6864] ? alloc_fd+0x4c1/0x570 [ 652.388896][ T6864] do_sys_openat2+0x134/0x1d0 [ 652.388920][ T6864] ? do_sys_open+0x100/0x100 [ 652.388943][ T6864] ? __x64_sys_utimensat+0x15f/0x250 [ 652.388970][ T6864] ? __cfi___x64_sys_utimensat+0x10/0x10 [ 652.388996][ T6864] __x64_sys_openat+0x13a/0x170 [ 652.389021][ T6864] x64_sys_call+0xe69/0x2ee0 [ 652.389038][ T6864] do_syscall_64+0x57/0xf0 [ 652.389057][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.389088][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.389111][ T6864] RIP: 0033:0x7f90bec38c3a [ 652.389128][ T6864] Code: 41 89 f2 48 89 54 24 e0 41 83 e2 40 75 2a 89 f0 f7 d0 a9 00 00 41 00 74 1f 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 2e c3 0f 1f 44 00 00 48 8d 44 24 08 c7 44 24 [ 652.389143][ T6864] RSP: 002b:00007ffcb4249128 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 652.389164][ T6864] RAX: ffffffffffffffda RBX: 00007ffcb4249160 RCX: 00007f90bec38c3a [ 652.389178][ T6864] RDX: 0000000000090800 RSI: 00007ffcb4249560 RDI: 00000000ffffff9c [ 652.389191][ T6864] RBP: 0000000000000007 R08: 000055e694502780 R09: 0000000000000000 [ 652.389204][ T6864] R10: 0000000000000000 R11: 0000000000000206 R12: 000055e694511600 [ 652.389216][ T6864] R13: 00007ffcb4249d60 R14: 00007ffcb4249960 R15: 00007ffcb4249560 [ 652.389233][ T6864] [ 652.389331][ T6864] FAULT_INJECTION: forcing a failure. [ 652.389331][ T6864] name failslab, interval 1, probability 10, space 0, times 32 [ 652.394135][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.394160][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.394171][ T31] Workqueue: mld mld_ifc_work [ 652.394192][ T31] Call Trace: [ 652.394198][ T31] [ 652.394205][ T31] __dump_stack+0x21/0x30 [ 652.394229][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.394253][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.394276][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 652.394298][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.394319][ T31] ? dst_alloc+0x163/0x240 [ 652.394339][ T31] dump_stack+0x19/0x20 [ 652.394362][ T31] should_fail_ex+0x3c2/0x510 [ 652.394382][ T31] should_failslab+0xac/0x100 [ 652.394404][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 652.394423][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.394443][ T31] ? dst_init+0x329/0x430 [ 652.394462][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 652.394482][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 652.394500][ T31] mld_sendpack+0x5ac/0xd10 [ 652.394521][ T31] ? add_grec+0x1400/0x1400 [ 652.394540][ T31] ? add_grec+0xfa8/0x1400 [ 652.394559][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.394590][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.394615][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.394634][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.394656][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.394678][ T31] worker_thread+0xc99/0x13f0 [ 652.394700][ T31] kthread+0x2c7/0x360 [ 652.394719][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.394738][ T31] ? __cfi_kthread+0x10/0x10 [ 652.394758][ T31] ret_from_fork+0x67/0xa0 [ 652.394782][ T31] ? __cfi_kthread+0x10/0x10 [ 652.394802][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.394821][ T31] [ 652.394962][ T31] FAULT_INJECTION: forcing a failure. [ 652.394962][ T31] name failslab, interval 1, probability 10, space 0, times 31 [ 652.400157][T11673] FAULT_INJECTION: forcing a failure. [ 652.400157][T11673] name failslab, interval 1, probability 10, space 0, times 26 [ 652.418408][ T285] FAULT_INJECTION: forcing a failure. [ 652.418408][ T285] name failslab, interval 1, probability 10, space 0, times 26 [ 652.426956][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.426982][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.426995][ T377] Workqueue: mld mld_ifc_work [ 652.427019][ T377] Call Trace: [ 652.427026][ T377] [ 652.427033][ T377] __dump_stack+0x21/0x30 [ 652.427059][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.427090][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.427116][ T377] dump_stack+0x19/0x20 [ 652.427139][ T377] should_fail_ex+0x3c2/0x510 [ 652.427160][ T377] should_failslab+0xac/0x100 [ 652.427183][ T377] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.427203][ T377] ? __alloc_skb+0x10c/0x360 [ 652.427227][ T377] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.427249][ T377] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.427267][ T377] __alloc_skb+0x10c/0x360 [ 652.427290][ T377] mld_newpack+0x162/0xa10 [ 652.427310][ T377] ? mld_sendpack+0xd10/0xd10 [ 652.427330][ T377] ? add_grec+0x1400/0x1400 [ 652.427349][ T377] ? add_grec+0xfa8/0x1400 [ 652.427369][ T377] add_grec+0xf20/0x1400 [ 652.427389][ T377] ? __kasan_check_write+0x18/0x20 [ 652.427406][ T377] ? mutex_lock+0x97/0x1d0 [ 652.427430][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.427454][ T377] mld_ifc_work+0x71d/0xc40 [ 652.427474][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.427495][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.427518][ T377] worker_thread+0xc99/0x13f0 [ 652.427538][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.427559][ T377] ? __kasan_check_read+0x15/0x20 [ 652.427578][ T377] kthread+0x2c7/0x360 [ 652.427603][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.427621][ T377] ? __cfi_kthread+0x10/0x10 [ 652.427641][ T377] ret_from_fork+0x67/0xa0 [ 652.427666][ T377] ? __cfi_kthread+0x10/0x10 [ 652.427686][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.427705][ T377] [ 652.427741][ T377] FAULT_INJECTION: forcing a failure. [ 652.427741][ T377] name failslab, interval 1, probability 10, space 0, times 25 [ 652.436564][T11670] FAULT_INJECTION: forcing a failure. [ 652.436564][T11670] name failslab, interval 1, probability 10, space 0, times 25 [ 652.443015][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.443041][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.443054][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 652.443087][ T2044] Call Trace: [ 652.443094][ T2044] [ 652.443101][ T2044] __dump_stack+0x21/0x30 [ 652.443128][ T2044] dump_stack_lvl+0x140/0x1c0 [ 652.443152][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.443177][ T2044] ? _raw_spin_lock+0x92/0x120 [ 652.443199][ T2044] ? __kasan_check_write+0x18/0x20 [ 652.443218][ T2044] dump_stack+0x19/0x20 [ 652.443241][ T2044] should_fail_ex+0x3c2/0x510 [ 652.443263][ T2044] should_failslab+0xac/0x100 [ 652.443285][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.443304][ T2044] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 652.443325][ T2044] ? __alloc_skb+0x10c/0x360 [ 652.443350][ T2044] __alloc_skb+0x10c/0x360 [ 652.443373][ T2044] ndisc_ns_create+0x2c0/0x8d0 [ 652.443391][ T2044] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.443413][ T2044] ? __mod_timer+0x881/0xd20 [ 652.443434][ T2044] ? __cfi_ndisc_ns_create+0x10/0x10 [ 652.443455][ T2044] ndisc_send_ns+0xbb/0x160 [ 652.443473][ T2044] ? __cfi_ndisc_send_ns+0x10/0x10 [ 652.443493][ T2044] addrconf_dad_work+0xa0e/0x1550 [ 652.443513][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 652.443532][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 652.443553][ T2044] ? kick_pool+0xb9/0x540 [ 652.443575][ T2044] process_scheduled_works+0x7f7/0x1060 [ 652.443597][ T2044] worker_thread+0xc99/0x13f0 [ 652.443616][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.443637][ T2044] ? __kasan_check_read+0x15/0x20 [ 652.443656][ T2044] kthread+0x2c7/0x360 [ 652.443675][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 652.443694][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.443714][ T2044] ret_from_fork+0x67/0xa0 [ 652.443738][ T2044] ? __cfi_kthread+0x10/0x10 [ 652.443758][ T2044] ret_from_fork_asm+0x1a/0x30 [ 652.443777][ T2044] [ 652.443815][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.443836][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.443846][ T6864] Call Trace: [ 652.443852][ T6864] [ 652.443859][ T6864] __dump_stack+0x21/0x30 [ 652.443883][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.443907][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.443931][ T6864] ? stack_trace_save+0xaa/0x100 [ 652.443952][ T6864] dump_stack+0x19/0x20 [ 652.443974][ T6864] should_fail_ex+0x3c2/0x510 [ 652.443994][ T6864] should_failslab+0xac/0x100 [ 652.444016][ T6864] kmem_cache_alloc_noprof+0x42/0x410 [ 652.444034][ T6864] ? x64_sys_call+0x155b/0x2ee0 [ 652.444050][ T6864] ? do_syscall_64+0x57/0xf0 [ 652.444079][ T6864] ? getname_flags+0xcc/0x6b0 [ 652.444100][ T6864] getname_flags+0xcc/0x6b0 [ 652.444119][ T6864] vfs_fstatat+0xcb/0x1d0 [ 652.444141][ T6864] __se_sys_newfstatat+0x127/0x3c0 [ 652.444163][ T6864] ? __x64_sys_newfstatat+0xc0/0xc0 [ 652.444187][ T6864] ? __kasan_slab_free+0x6a/0x80 [ 652.444211][ T6864] ? cp_old_stat+0x4d0/0x4d0 [ 652.444235][ T6864] __x64_sys_newfstatat+0x9f/0xc0 [ 652.444258][ T6864] x64_sys_call+0x1821/0x2ee0 [ 652.444275][ T6864] do_syscall_64+0x57/0xf0 [ 652.444294][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.444318][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.444340][ T6864] RIP: 0033:0x7f90bec34b0a [ 652.444357][ T6864] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 652.444373][ T6864] RSP: 002b:00007ffcb4248708 EFLAGS: 00000202 ORIG_RAX: 0000000000000106 [ 652.444393][ T6864] RAX: ffffffffffffffda RBX: 000055e6944feb50 RCX: 00007f90bec34b0a [ 652.444407][ T6864] RDX: 00007ffcb4248720 RSI: 000055e6944feb50 RDI: 00000000ffffff9c [ 652.444421][ T6864] RBP: 000055e6942b88d0 R08: 000055e694502780 R09: 0000000000000000 [ 652.444434][ T6864] R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000000 [ 652.444447][ T6864] R13: 0000000000000001 R14: 000055e68a27f6d7 R15: 00007ffcb4249960 [ 652.444462][ T6864] [ 652.444804][ T6864] FAULT_INJECTION: forcing a failure. [ 652.444804][ T6864] name failslab, interval 1, probability 10, space 0, times 22 [ 652.451632][ T285] CPU: 1 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.451658][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.451669][ T285] Call Trace: [ 652.451675][ T285] [ 652.451682][ T285] __dump_stack+0x21/0x30 [ 652.451708][ T285] dump_stack_lvl+0x140/0x1c0 [ 652.451732][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.451756][ T285] ? __kasan_slab_free+0x6a/0x80 [ 652.451778][ T285] dump_stack+0x19/0x20 [ 652.451800][ T285] should_fail_ex+0x3c2/0x510 [ 652.451821][ T285] should_failslab+0xac/0x100 [ 652.451844][ T285] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.451864][ T285] ? __alloc_skb+0x10c/0x360 [ 652.451889][ T285] __alloc_skb+0x10c/0x360 [ 652.451911][ T285] ? tcp_current_mss+0x539/0x8b0 [ 652.451930][ T285] tcp_stream_alloc_skb+0x43/0x370 [ 652.451949][ T285] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 652.451968][ T285] ? avc_has_perm_noaudit+0x289/0x360 [ 652.451991][ T285] ? __kasan_check_write+0x18/0x20 [ 652.452009][ T285] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 652.452029][ T285] ? folio_unlock+0x137/0x1b0 [ 652.452052][ T285] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 652.452071][ T285] ? avc_has_perm+0x155/0x240 [ 652.452092][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 652.452109][ T285] tcp_sendmsg+0x3e/0xd0 [ 652.452126][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 652.452143][ T285] inet_sendmsg+0xb7/0x120 [ 652.452166][ T285] ? __cfi_inet_sendmsg+0x10/0x10 [ 652.452186][ T285] sock_write_iter+0x3bf/0x490 [ 652.452207][ T285] ? __cfi_sock_write_iter+0x10/0x10 [ 652.452230][ T285] vfs_write+0x762/0xfd0 [ 652.452250][ T285] ? __cfi_vfs_write+0x10/0x10 [ 652.452271][ T285] ? __kasan_check_read+0x15/0x20 [ 652.452289][ T285] ksys_write+0x145/0x260 [ 652.452308][ T285] ? __cfi_ksys_write+0x10/0x10 [ 652.452327][ T285] ? __kasan_check_read+0x15/0x20 [ 652.452344][ T285] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 652.452368][ T285] __x64_sys_write+0x7f/0x90 [ 652.452387][ T285] x64_sys_call+0x271c/0x2ee0 [ 652.452404][ T285] do_syscall_64+0x57/0xf0 [ 652.452424][ T285] ? clear_bhb_loop+0x50/0xa0 [ 652.452447][ T285] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.452469][ T285] RIP: 0033:0x7f9298559117 [ 652.452484][ T285] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.452499][ T285] RSP: 002b:00007ffd4918e240 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 652.452519][ T285] RAX: ffffffffffffffda RBX: 0000555579ac1500 RCX: 00007f9298559117 [ 652.452533][ T285] RDX: 0000000000000140 RSI: 00007f92931ffec0 RDI: 0000000000000003 [ 652.452546][ T285] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 652.452558][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000140 [ 652.452579][ T285] R13: 0000555579ada940 R14: 00007ffd4918e7e0 R15: 00007f92931ffec0 [ 652.452595][ T285] [ 652.452633][T11670] CPU: 1 UID: 0 PID: 11670 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.452655][T11670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.452666][T11670] Call Trace: [ 652.452672][T11670] [ 652.452679][T11670] __dump_stack+0x21/0x30 [ 652.452703][T11670] dump_stack_lvl+0x140/0x1c0 [ 652.452726][T11670] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.452751][T11670] dump_stack+0x19/0x20 [ 652.452774][T11670] should_fail_ex+0x3c2/0x510 [ 652.452794][T11670] should_failslab+0xac/0x100 [ 652.452815][T11670] kmem_cache_alloc_noprof+0x42/0x410 [ 652.452834][T11670] ? getname_flags+0xcc/0x6b0 [ 652.452854][T11670] getname_flags+0xcc/0x6b0 [ 652.452875][T11670] vfs_fstatat+0xcb/0x1d0 [ 652.452897][T11670] __se_sys_newfstatat+0x127/0x3c0 [ 652.452920][T11670] ? __x64_sys_newfstatat+0xc0/0xc0 [ 652.452942][T11670] ? mntput_no_expire+0x104/0x6c0 [ 652.452968][T11670] ? selinux_capable+0x38/0x50 [ 652.452990][T11670] ? mntput+0xd0/0xd0 [ 652.453013][T11670] ? dput+0xd5/0x520 [ 652.453036][T11670] ? path_umount+0x34a/0xf60 [ 652.453055][T11670] ? __x64_sys_umount+0x12e/0x180 [ 652.453073][T11670] __x64_sys_newfstatat+0x9f/0xc0 [ 652.453094][T11670] x64_sys_call+0x1821/0x2ee0 [ 652.453111][T11670] do_syscall_64+0x57/0xf0 [ 652.453131][T11670] ? clear_bhb_loop+0x50/0xa0 [ 652.453153][T11670] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.453175][T11670] RIP: 0033:0x7fcf3699c5da [ 652.453189][T11670] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 [ 652.453204][T11670] RSP: 002b:00007ffcb9f478c8 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 652.453222][T11670] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf3699c5da [ 652.453236][T11670] RDX: 00007ffcb9f478f0 RSI: 00007ffcb9f47980 RDI: 00000000ffffff9c [ 652.453250][T11670] RBP: 00007ffcb9f47980 R08: 00007ffcb9f48980 R09: 00000000ffffffff [ 652.453263][T11670] R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffcb9f48a10 [ 652.453276][T11670] R13: 00007fcf36a34314 R14: 00000000000958d6 R15: 00007ffcb9f48a50 [ 652.453292][T11670] [ 652.454005][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.454030][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.454041][ T31] Workqueue: mld mld_ifc_work [ 652.454062][ T31] Call Trace: [ 652.454068][ T31] [ 652.454076][ T31] __dump_stack+0x21/0x30 [ 652.454099][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.454122][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.454146][ T31] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.454168][ T31] dump_stack+0x19/0x20 [ 652.454190][ T31] should_fail_ex+0x3c2/0x510 [ 652.454210][ T31] should_failslab+0xac/0x100 [ 652.454231][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.454250][ T31] ? __rcu_read_unlock+0xc0/0xc0 [ 652.454274][ T31] ? __alloc_skb+0x10c/0x360 [ 652.454296][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.454319][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.454337][ T31] __alloc_skb+0x10c/0x360 [ 652.454361][ T31] mld_newpack+0x162/0xa10 [ 652.454381][ T31] ? mld_sendpack+0xd10/0xd10 [ 652.454401][ T31] ? add_grec+0x1400/0x1400 [ 652.454420][ T31] ? add_grec+0xfa8/0x1400 [ 652.454439][ T31] add_grec+0xf20/0x1400 [ 652.454459][ T31] ? __kasan_check_write+0x18/0x20 [ 652.454476][ T31] ? mutex_lock+0x97/0x1d0 [ 652.454499][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.454523][ T31] mld_ifc_work+0x71d/0xc40 [ 652.454542][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.454564][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.454596][ T31] worker_thread+0xc99/0x13f0 [ 652.454618][ T31] kthread+0x2c7/0x360 [ 652.454637][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.454656][ T31] ? __cfi_kthread+0x10/0x10 [ 652.454676][ T31] ret_from_fork+0x67/0xa0 [ 652.454700][ T31] ? __cfi_kthread+0x10/0x10 [ 652.454721][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.454740][ T31] [ 652.454765][ T31] FAULT_INJECTION: forcing a failure. [ 652.454765][ T31] name failslab, interval 1, probability 10, space 0, times 19 [ 652.459007][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.459032][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.459044][ T377] Workqueue: mld mld_ifc_work [ 652.459064][ T377] Call Trace: [ 652.459077][ T377] [ 652.459084][ T377] __dump_stack+0x21/0x30 [ 652.459109][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.459133][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.459159][ T377] dump_stack+0x19/0x20 [ 652.459181][ T377] should_fail_ex+0x3c2/0x510 [ 652.459201][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.459223][ T377] should_failslab+0xac/0x100 [ 652.459244][ T377] kmem_cache_alloc_noprof+0x42/0x410 [ 652.459262][ T377] ? kasan_save_alloc_info+0x3a/0x50 [ 652.459288][ T377] ? dst_alloc+0x13c/0x240 [ 652.459308][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.459328][ T377] dst_alloc+0x13c/0x240 [ 652.459347][ T377] icmp6_dst_alloc+0xef/0x4f0 [ 652.459364][ T377] mld_sendpack+0x5ac/0xd10 [ 652.459385][ T377] ? add_grec+0x1400/0x1400 [ 652.459404][ T377] ? add_grec+0xfa8/0x1400 [ 652.459423][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.459443][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.459468][ T377] mld_ifc_work+0x7cc/0xc40 [ 652.459487][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.459508][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.459531][ T377] worker_thread+0xc99/0x13f0 [ 652.459550][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.459571][ T377] ? __kasan_check_read+0x15/0x20 [ 652.459590][ T377] kthread+0x2c7/0x360 [ 652.459609][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.459628][ T377] ? __cfi_kthread+0x10/0x10 [ 652.459647][ T377] ret_from_fork+0x67/0xa0 [ 652.459671][ T377] ? __cfi_kthread+0x10/0x10 [ 652.459691][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.459710][ T377] [ 652.459782][T11673] CPU: 0 UID: 0 PID: 11673 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.459805][T11673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.459815][T11673] Call Trace: [ 652.459821][T11673] [ 652.459828][T11673] __dump_stack+0x21/0x30 [ 652.459852][T11673] dump_stack_lvl+0x140/0x1c0 [ 652.459876][T11673] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.459901][T11673] dump_stack+0x19/0x20 [ 652.459923][T11673] should_fail_ex+0x3c2/0x510 [ 652.459944][T11673] should_failslab+0xac/0x100 [ 652.459965][T11673] kmem_cache_alloc_noprof+0x42/0x410 [ 652.459985][T11673] ? getname_flags+0xcc/0x6b0 [ 652.460005][T11673] getname_flags+0xcc/0x6b0 [ 652.460026][T11673] vfs_fstatat+0xcb/0x1d0 [ 652.460047][T11673] __se_sys_newfstatat+0x127/0x3c0 [ 652.460076][T11673] ? __x64_sys_newfstatat+0xc0/0xc0 [ 652.460099][T11673] ? mntput_no_expire+0x104/0x6c0 [ 652.460123][T11673] ? selinux_capable+0x38/0x50 [ 652.460146][T11673] ? mntput+0xd0/0xd0 [ 652.460169][T11673] ? dput+0xd5/0x520 [ 652.460193][T11673] ? path_umount+0x34a/0xf60 [ 652.460212][T11673] ? __x64_sys_umount+0x12e/0x180 [ 652.460230][T11673] __x64_sys_newfstatat+0x9f/0xc0 [ 652.460252][T11673] x64_sys_call+0x1821/0x2ee0 [ 652.460269][T11673] do_syscall_64+0x57/0xf0 [ 652.460294][T11673] ? clear_bhb_loop+0x50/0xa0 [ 652.460318][T11673] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.460341][T11673] RIP: 0033:0x7f2159b9c5da [ 652.460357][T11673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 [ 652.460372][T11673] RSP: 002b:00007fff1fdcf318 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 652.460391][T11673] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2159b9c5da [ 652.460405][T11673] RDX: 00007fff1fdcf340 RSI: 00007fff1fdcf3d0 RDI: 00000000ffffff9c [ 652.460419][T11673] RBP: 00007fff1fdcf3d0 R08: 00007fff1fdd03d0 R09: 00000000ffffffff [ 652.460432][T11673] R10: 0000000000000100 R11: 0000000000000286 R12: 00007fff1fdd0460 [ 652.460445][T11673] R13: 00007f2159c34314 R14: 00000000000959ca R15: 00007fff1fdd04a0 [ 652.460460][T11673] [ 652.464970][ T377] FAULT_INJECTION: forcing a failure. [ 652.464970][ T377] name failslab, interval 1, probability 10, space 0, times 16 [ 652.471329][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.471356][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.471368][ T31] Workqueue: mld mld_ifc_work [ 652.471391][ T31] Call Trace: [ 652.471397][ T31] [ 652.471404][ T31] __dump_stack+0x21/0x30 [ 652.471429][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.471452][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.471477][ T31] dump_stack+0x19/0x20 [ 652.471500][ T31] should_fail_ex+0x3c2/0x510 [ 652.471520][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.471542][ T31] should_failslab+0xac/0x100 [ 652.471565][ T31] kmem_cache_alloc_noprof+0x42/0x410 [ 652.471593][ T31] ? kasan_save_alloc_info+0x3a/0x50 [ 652.471618][ T31] ? dst_alloc+0x13c/0x240 [ 652.471638][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.471659][ T31] dst_alloc+0x13c/0x240 [ 652.471678][ T31] icmp6_dst_alloc+0xef/0x4f0 [ 652.471695][ T31] mld_sendpack+0x5ac/0xd10 [ 652.471717][ T31] ? add_grec+0x1400/0x1400 [ 652.471736][ T31] ? add_grec+0xfa8/0x1400 [ 652.471755][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.471774][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.471800][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.471819][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.471841][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.471864][ T31] worker_thread+0xc99/0x13f0 [ 652.471885][ T31] kthread+0x2c7/0x360 [ 652.471905][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.471924][ T31] ? __cfi_kthread+0x10/0x10 [ 652.471943][ T31] ret_from_fork+0x67/0xa0 [ 652.471968][ T31] ? __cfi_kthread+0x10/0x10 [ 652.471989][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.472008][ T31] [ 652.472234][ T6864] CPU: 1 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.472258][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.472268][ T6864] Call Trace: [ 652.472274][ T6864] [ 652.472281][ T6864] __dump_stack+0x21/0x30 [ 652.472305][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.472329][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.472354][ T6864] dump_stack+0x19/0x20 [ 652.472376][ T6864] should_fail_ex+0x3c2/0x510 [ 652.472397][ T6864] should_failslab+0xac/0x100 [ 652.472418][ T6864] kmem_cache_alloc_noprof+0x42/0x410 [ 652.472437][ T6864] ? getname_flags+0xcc/0x6b0 [ 652.472456][ T6864] ? call_rcu_hurry+0x30/0x30 [ 652.472477][ T6864] getname_flags+0xcc/0x6b0 [ 652.472497][ T6864] getname+0x1b/0x30 [ 652.472515][ T6864] do_sys_openat2+0xda/0x1d0 [ 652.472540][ T6864] ? do_sys_open+0x100/0x100 [ 652.472565][ T6864] __x64_sys_openat+0x13a/0x170 [ 652.472598][ T6864] x64_sys_call+0xe69/0x2ee0 [ 652.472615][ T6864] do_syscall_64+0x57/0xf0 [ 652.472635][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.472659][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.472681][ T6864] RIP: 0033:0x7f90bebca407 [ 652.472697][ T6864] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.472713][ T6864] RSP: 002b:00007ffcb4247610 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 652.472732][ T6864] RAX: ffffffffffffffda RBX: 00007f90beb3e880 RCX: 00007f90bebca407 [ 652.472747][ T6864] RDX: 0000000000080000 RSI: 00007ffcb42476e0 RDI: ffffffffffffff9c [ 652.472760][ T6864] RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 [ 652.472772][ T6864] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 [ 652.472785][ T6864] R13: 0000000000000001 R14: 000055e68a27f6d7 R15: 00007ffcb4249960 [ 652.472800][ T6864] [ 652.473052][ T6864] FAULT_INJECTION: forcing a failure. [ 652.473052][ T6864] name failslab, interval 1, probability 10, space 0, times 12 [ 652.481587][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.481613][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.481625][ T377] Workqueue: mld mld_ifc_work [ 652.481646][ T377] Call Trace: [ 652.481652][ T377] [ 652.481659][ T377] __dump_stack+0x21/0x30 [ 652.481684][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.481711][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.481734][ T377] ? swake_up_one_online+0x4d/0xf0 [ 652.481761][ T377] dump_stack+0x19/0x20 [ 652.481783][ T377] should_fail_ex+0x3c2/0x510 [ 652.481804][ T377] should_failslab+0xac/0x100 [ 652.481825][ T377] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.481845][ T377] ? __rcu_read_unlock+0xc0/0xc0 [ 652.481868][ T377] ? __alloc_skb+0x10c/0x360 [ 652.481893][ T377] __alloc_skb+0x10c/0x360 [ 652.481916][ T377] mld_newpack+0x162/0xa10 [ 652.481937][ T377] ? mld_sendpack+0xd10/0xd10 [ 652.481957][ T377] ? add_grec+0x1400/0x1400 [ 652.481975][ T377] ? add_grec+0xfa8/0x1400 [ 652.481995][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.482013][ T377] add_grec+0xf20/0x1400 [ 652.482032][ T377] ? __kasan_check_write+0x18/0x20 [ 652.482051][ T377] ? mutex_lock+0x97/0x1d0 [ 652.482084][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.482109][ T377] mld_ifc_work+0x71d/0xc40 [ 652.482128][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.482150][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.482172][ T377] worker_thread+0xc99/0x13f0 [ 652.482191][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.482213][ T377] ? __kasan_check_read+0x15/0x20 [ 652.482231][ T377] kthread+0x2c7/0x360 [ 652.482251][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.482270][ T377] ? __cfi_kthread+0x10/0x10 [ 652.482290][ T377] ret_from_fork+0x67/0xa0 [ 652.482314][ T377] ? __cfi_kthread+0x10/0x10 [ 652.482334][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.482353][ T377] [ 652.482497][ T377] FAULT_INJECTION: forcing a failure. [ 652.482497][ T377] name failslab, interval 1, probability 10, space 0, times 9 [ 652.491753][ T31] FAULT_INJECTION: forcing a failure. [ 652.491753][ T31] name failslab, interval 1, probability 10, space 0, times 9 [ 652.496365][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.496390][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.496402][ T377] Workqueue: mld mld_ifc_work [ 652.496423][ T377] Call Trace: [ 652.496429][ T377] [ 652.496437][ T377] __dump_stack+0x21/0x30 [ 652.496461][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.496485][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.496510][ T377] dump_stack+0x19/0x20 [ 652.496533][ T377] should_fail_ex+0x3c2/0x510 [ 652.496553][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.496575][ T377] should_failslab+0xac/0x100 [ 652.496597][ T377] kmem_cache_alloc_noprof+0x42/0x410 [ 652.496615][ T377] ? kasan_save_alloc_info+0x3a/0x50 [ 652.496641][ T377] ? dst_alloc+0x13c/0x240 [ 652.496660][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.496681][ T377] dst_alloc+0x13c/0x240 [ 652.496700][ T377] icmp6_dst_alloc+0xef/0x4f0 [ 652.496717][ T377] mld_sendpack+0x5ac/0xd10 [ 652.496738][ T377] ? add_grec+0x1400/0x1400 [ 652.496759][ T377] ? add_grec+0xfa8/0x1400 [ 652.496778][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.496797][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.496821][ T377] mld_ifc_work+0x7cc/0xc40 [ 652.496840][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.496861][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.496884][ T377] worker_thread+0xc99/0x13f0 [ 652.496903][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.496924][ T377] ? __kasan_check_read+0x15/0x20 [ 652.496942][ T377] kthread+0x2c7/0x360 [ 652.496963][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.496981][ T377] ? __cfi_kthread+0x10/0x10 [ 652.497001][ T377] ret_from_fork+0x67/0xa0 [ 652.497025][ T377] ? __cfi_kthread+0x10/0x10 [ 652.497045][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.497064][ T377] [ 652.497309][ T377] FAULT_INJECTION: forcing a failure. [ 652.497309][ T377] name failslab, interval 1, probability 10, space 0, times 8 [ 652.499828][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.499853][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.499866][ T31] Workqueue: mld mld_ifc_work [ 652.499886][ T31] Call Trace: [ 652.499892][ T31] [ 652.499900][ T31] __dump_stack+0x21/0x30 [ 652.499925][ T31] dump_stack_lvl+0x140/0x1c0 [ 652.499949][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.499972][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 652.499994][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.500016][ T31] ? dst_alloc+0x163/0x240 [ 652.500035][ T31] dump_stack+0x19/0x20 [ 652.500057][ T31] should_fail_ex+0x3c2/0x510 [ 652.500078][ T31] should_failslab+0xac/0x100 [ 652.500099][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 652.500120][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.500140][ T31] ? dst_init+0x329/0x430 [ 652.500159][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 652.500180][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 652.500197][ T31] mld_sendpack+0x5ac/0xd10 [ 652.500218][ T31] ? add_grec+0x1400/0x1400 [ 652.500237][ T31] ? add_grec+0xfa8/0x1400 [ 652.500256][ T31] ? __asan_memcpy+0x5a/0x80 [ 652.500275][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 652.500299][ T31] ? __schedule+0x149e/0x20b0 [ 652.500321][ T31] mld_ifc_work+0x7cc/0xc40 [ 652.500341][ T31] process_scheduled_works+0x7f7/0x1060 [ 652.500363][ T31] worker_thread+0xc99/0x13f0 [ 652.500385][ T31] kthread+0x2c7/0x360 [ 652.500404][ T31] ? __cfi_worker_thread+0x10/0x10 [ 652.500424][ T31] ? __cfi_kthread+0x10/0x10 [ 652.500443][ T31] ret_from_fork+0x67/0xa0 [ 652.500467][ T31] ? __cfi_kthread+0x10/0x10 [ 652.500487][ T31] ret_from_fork_asm+0x1a/0x30 [ 652.500505][ T31] [ 652.500692][ C1] FAULT_INJECTION: forcing a failure. [ 652.500692][ C1] name failslab, interval 1, probability 10, space 0, times 8 [ 652.502596][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.502621][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.502631][ T6864] Call Trace: [ 652.502637][ T6864] [ 652.502650][ T6864] __dump_stack+0x21/0x30 [ 652.502675][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.502698][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.502724][ T6864] dump_stack+0x19/0x20 [ 652.502747][ T6864] should_fail_ex+0x3c2/0x510 [ 652.502767][ T6864] should_failslab+0xac/0x100 [ 652.502787][ T6864] __kmalloc_node_track_caller_noprof+0x65/0x4f0 [ 652.502808][ T6864] ? do_sys_openat2+0x134/0x1d0 [ 652.502831][ T6864] ? x64_sys_call+0xe69/0x2ee0 [ 652.502849][ T6864] ? sidtab_sid2str_get+0x135/0x360 [ 652.502874][ T6864] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.502899][ T6864] kmemdup_noprof+0x31/0x80 [ 652.502925][ T6864] sidtab_sid2str_get+0x135/0x360 [ 652.502951][ T6864] security_sid_to_context_core+0x30d/0x5d0 [ 652.502975][ T6864] security_sid_to_context_force+0x31/0x40 [ 652.502999][ T6864] selinux_inode_init_security+0x659/0x950 [ 652.503026][ T6864] ? __cfi_selinux_inode_init_security+0x10/0x10 [ 652.503051][ T6864] ? security_inode_init_security+0x11c/0x600 [ 652.503082][ T6864] ? __cfi_shmem_initxattrs+0x10/0x10 [ 652.503107][ T6864] ? __cfi_shmem_initxattrs+0x10/0x10 [ 652.503131][ T6864] security_inode_init_security+0x1ab/0x600 [ 652.503154][ T6864] ? __cfi_security_inode_init_security+0x10/0x10 [ 652.503176][ T6864] ? __kasan_check_write+0x18/0x20 [ 652.503194][ T6864] ? set_cached_acl+0xe1/0x1a0 [ 652.503301][ T6864] ? simple_acl_create+0x190/0x1c0 [ 652.503320][ T6864] shmem_mknod+0xd5/0x200 [ 652.503344][ T6864] shmem_create+0x38/0x50 [ 652.503367][ T6864] ? __cfi_shmem_create+0x10/0x10 [ 652.503391][ T6864] path_openat+0x150b/0x35a0 [ 652.503420][ T6864] ? do_filp_open+0x440/0x440 [ 652.503444][ T6864] do_filp_open+0x1f2/0x440 [ 652.503467][ T6864] ? __cfi_do_filp_open+0x10/0x10 [ 652.503492][ T6864] ? alloc_fd+0x4c1/0x570 [ 652.503514][ T6864] do_sys_openat2+0x134/0x1d0 [ 652.503538][ T6864] ? do_sys_open+0x100/0x100 [ 652.503564][ T6864] __x64_sys_openat+0x13a/0x170 [ 652.503589][ T6864] x64_sys_call+0xe69/0x2ee0 [ 652.503606][ T6864] do_syscall_64+0x57/0xf0 [ 652.503625][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.503649][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.503671][ T6864] RIP: 0033:0x7f90bebca407 [ 652.503688][ T6864] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 652.503703][ T6864] RSP: 002b:00007ffcb424a100 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 652.503723][ T6864] RAX: ffffffffffffffda RBX: 00007f90beb3e880 RCX: 00007f90bebca407 [ 652.503738][ T6864] RDX: 0000000000080241 RSI: 00007ffcb424a660 RDI: ffffffffffffff9c [ 652.503752][ T6864] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 652.503764][ T6864] R10: 00000000000001b6 R11: 0000000000000202 R12: 000055e68a27fdfc [ 652.503777][ T6864] R13: 000055e68a27fdfc R14: 0000000000000001 R15: 000055e68a29a140 [ 652.503793][ T6864] [ 652.503887][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.503911][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.503923][ T377] Workqueue: mld mld_ifc_work [ 652.503943][ T377] Call Trace: [ 652.503948][ T377] [ 652.503956][ T377] __dump_stack+0x21/0x30 [ 652.503980][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.504003][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.504029][ T377] dump_stack+0x19/0x20 [ 652.504052][ T377] should_fail_ex+0x3c2/0x510 [ 652.504079][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.504102][ T377] should_failslab+0xac/0x100 [ 652.504123][ T377] kmem_cache_alloc_noprof+0x42/0x410 [ 652.504142][ T377] ? kasan_save_alloc_info+0x3a/0x50 [ 652.504169][ T377] ? dst_alloc+0x13c/0x240 [ 652.504188][ T377] ? __cfi_ip6_dst_gc+0x10/0x10 [ 652.504209][ T377] dst_alloc+0x13c/0x240 [ 652.504228][ T377] icmp6_dst_alloc+0xef/0x4f0 [ 652.504245][ T377] mld_sendpack+0x5ac/0xd10 [ 652.504267][ T377] ? add_grec+0x1400/0x1400 [ 652.504286][ T377] ? add_grec+0xfa8/0x1400 [ 652.504305][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.504325][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.504349][ T377] mld_ifc_work+0x7cc/0xc40 [ 652.504368][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.504391][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.504413][ T377] worker_thread+0xc99/0x13f0 [ 652.504433][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.504453][ T377] ? __kasan_check_read+0x15/0x20 [ 652.504472][ T377] kthread+0x2c7/0x360 [ 652.504491][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.504510][ T377] ? __cfi_kthread+0x10/0x10 [ 652.504530][ T377] ret_from_fork+0x67/0xa0 [ 652.504555][ T377] ? __cfi_kthread+0x10/0x10 [ 652.504575][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.504594][ T377] [ 652.505086][ T377] FAULT_INJECTION: forcing a failure. [ 652.505086][ T377] name failslab, interval 1, probability 10, space 0, times 5 [ 652.506939][ C1] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.506966][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.506978][ C1] Workqueue: mld mld_ifc_work [ 652.507000][ C1] Call Trace: [ 652.507007][ C1] [ 652.507015][ C1] __dump_stack+0x21/0x30 [ 652.507040][ C1] dump_stack_lvl+0x140/0x1c0 [ 652.507063][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.507086][ C1] ? skb_network_protocol+0x533/0x7a0 [ 652.507110][ C1] ? dev_queue_xmit_nit+0x8a0/0xac0 [ 652.507132][ C1] ? __cfi_skb_network_protocol+0x10/0x10 [ 652.507154][ C1] dump_stack+0x19/0x20 [ 652.507177][ C1] should_fail_ex+0x3c2/0x510 [ 652.507197][ C1] should_failslab+0xac/0x100 [ 652.507219][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 652.507238][ C1] ? skb_clone+0x21d/0x470 [ 652.507256][ C1] skb_clone+0x21d/0x470 [ 652.507273][ C1] dev_queue_xmit_nit+0x251/0xac0 [ 652.507294][ C1] ? __cfi_sch_direct_xmit+0x10/0x10 [ 652.507314][ C1] dev_hard_start_xmit+0x19e/0x730 [ 652.507339][ C1] sch_direct_xmit+0x27d/0x9c0 [ 652.507358][ C1] ? __kasan_check_write+0x18/0x20 [ 652.507377][ C1] ? _raw_spin_trylock+0xb5/0x140 [ 652.507397][ C1] ? __cfi_sch_direct_xmit+0x10/0x10 [ 652.507415][ C1] ? netdev_core_pick_tx+0x1ff/0x370 [ 652.507438][ C1] ? __dev_queue_xmit+0x26c/0x3780 [ 652.507462][ C1] __dev_queue_xmit+0x1611/0x3780 [ 652.507486][ C1] ? __kasan_check_read+0x15/0x20 [ 652.507504][ C1] ? __dev_queue_xmit+0x26c/0x3780 [ 652.507529][ C1] ? __cfi___dev_queue_xmit+0x10/0x10 [ 652.507553][ C1] ? resched_curr+0x119/0x440 [ 652.507577][ C1] ? enqueue_task+0x1049/0x1100 [ 652.507595][ C1] ? __cfi_resched_curr+0x10/0x10 [ 652.507612][ C1] ? __kasan_check_read+0x15/0x20 [ 652.507631][ C1] ? selinux_ip_postroute+0x291/0xfe0 [ 652.507651][ C1] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 652.507671][ C1] ? __asan_memcpy+0x5a/0x80 [ 652.507688][ C1] ip_finish_output2+0xb82/0xfb0 [ 652.507708][ C1] ? arch_stack_walk+0x138/0x170 [ 652.507727][ C1] ? __cfi_ip_finish_output2+0x10/0x10 [ 652.507746][ C1] ? ip_skb_dst_mtu+0x4b2/0x670 [ 652.507764][ C1] __ip_finish_output+0x17b/0x3e0 [ 652.507783][ C1] ip_finish_output+0x35/0x360 [ 652.507808][ C1] ? ip_output+0x306/0x330 [ 652.507832][ C1] ip_output+0x1a1/0x330 [ 652.507857][ C1] ? __cfi_ip_output+0x10/0x10 [ 652.507882][ C1] ? tcp_v4_rcv+0x285b/0x3390 [ 652.507904][ C1] ? __cfi_ip_finish_output+0x10/0x10 [ 652.507929][ C1] ? ipv4_dst_check+0xfc/0x170 [ 652.507947][ C1] ? __cfi_ip_output+0x10/0x10 [ 652.507971][ C1] __ip_queue_xmit+0x134d/0x1f70 [ 652.507997][ C1] ? __kasan_check_read+0x15/0x20 [ 652.508016][ C1] ip_queue_xmit+0x51/0x70 [ 652.508032][ C1] ? __cfi_ip_queue_xmit+0x10/0x10 [ 652.508049][ C1] __tcp_transmit_skb+0x23aa/0x38f0 [ 652.508068][ C1] ? should_fail_ex+0x201/0x510 [ 652.508091][ C1] ? __tcp_send_ack+0x6b0/0x6b0 [ 652.508109][ C1] ? __kasan_check_write+0x18/0x20 [ 652.508127][ C1] ? __build_skb_around+0x2a4/0x590 [ 652.508151][ C1] ? __alloc_skb+0x1b7/0x360 [ 652.508174][ C1] __tcp_send_ack+0x2d3/0x6b0 [ 652.508193][ C1] tcp_send_ack+0x3f/0x60 [ 652.508209][ C1] __tcp_ack_snd_check+0x4cb/0xaf0 [ 652.508233][ C1] ? tcp_check_space+0x96/0xb40 [ 652.508255][ C1] tcp_rcv_established+0xe7a/0x1d30 [ 652.508279][ C1] ? get_stack_info+0x3e/0x100 [ 652.508299][ C1] ? __cfi_tcp_rcv_established+0x10/0x10 [ 652.508323][ C1] ? ipv4_dst_check+0xfc/0x170 [ 652.508341][ C1] tcp_v4_do_rcv+0x49a/0xbb0 [ 652.508364][ C1] tcp_v4_rcv+0x285b/0x3390 [ 652.508386][ C1] ? inet_lookup_ifaddr_rcu+0x15d/0x1a0 [ 652.508405][ C1] ? tcp_v4_rcv+0xd41/0x3390 [ 652.508431][ C1] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 652.508453][ C1] ? __inet_lookup_established+0x730/0x760 [ 652.508476][ C1] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 652.508497][ C1] ip_protocol_deliver_rcu+0x1c6/0x390 [ 652.508521][ C1] ip_local_deliver_finish+0x272/0x470 [ 652.508546][ C1] ip_local_deliver+0x1e0/0x360 [ 652.508576][ C1] ? __cfi_ip_local_deliver+0x10/0x10 [ 652.508599][ C1] ? ip_rcv_finish_core+0xae1/0x1460 [ 652.508623][ C1] ? __cfi_ip_local_deliver+0x10/0x10 [ 652.508646][ C1] ip_sublist_rcv+0x83a/0x9b0 [ 652.508669][ C1] ? ip_list_rcv+0x450/0x450 [ 652.508713][ C1] ? __asan_memset+0x39/0x50 [ 652.508730][ C1] ? ip_rcv_core+0x833/0xd00 [ 652.508753][ C1] ip_list_rcv+0x3e8/0x450 [ 652.508777][ C1] ? __cfi_ip_list_rcv+0x10/0x10 [ 652.508800][ C1] ? __cfi_ip_list_rcv+0x10/0x10 [ 652.508822][ C1] __netif_receive_skb_list_core+0x830/0x880 [ 652.508847][ C1] ? virtqueue_add+0x2767/0x49c0 [ 652.508870][ C1] ? set_rps_cpu+0x670/0x670 [ 652.508894][ C1] netif_receive_skb_list_internal+0x847/0xb00 [ 652.508921][ C1] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 652.508948][ C1] ? __cfi_virtqueue_add_inbuf_ctx+0x10/0x10 [ 652.508969][ C1] ? __asan_memset+0x39/0x50 [ 652.508987][ C1] ? virtqueue_kick_prepare+0x2f9/0x480 [ 652.509008][ C1] napi_complete_done+0x323/0x790 [ 652.509033][ C1] ? __cfi_napi_complete_done+0x10/0x10 [ 652.509059][ C1] ? virtqueue_enable_cb_prepare+0x213/0x500 [ 652.509081][ C1] virtnet_poll+0x27df/0x3190 [ 652.509102][ C1] ? __kasan_check_read+0x15/0x20 [ 652.509119][ C1] ? psi_group_change+0xab6/0x10a0 [ 652.509144][ C1] ? __cfi_virtnet_poll+0x10/0x10 [ 652.509163][ C1] ? enqueue_task+0x1049/0x1100 [ 652.509182][ C1] ? __cfi_enqueue_task+0x10/0x10 [ 652.509201][ C1] __napi_poll+0xd0/0x600 [ 652.509224][ C1] net_rx_action+0x5dc/0xd70 [ 652.509250][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 652.509274][ C1] ? sched_clock_cpu+0x75/0x400 [ 652.509298][ C1] ? sched_clock+0x44/0x60 [ 652.509321][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 652.509345][ C1] handle_softirqs+0x1aa/0x620 [ 652.509365][ C1] __irq_exit_rcu+0x47/0xb0 [ 652.509383][ C1] irq_exit_rcu+0xd/0x30 [ 652.509400][ C1] common_interrupt+0x97/0xb0 [ 652.509421][ C1] [ 652.509428][ C1] [ 652.509435][ C1] asm_common_interrupt+0x2b/0x40 [ 652.509458][ C1] RIP: 0010:dump_stack_lvl+0x174/0x1c0 [ 652.509484][ C1] Code: e6 00 02 00 00 31 ff e8 8a 22 7e 00 49 81 e5 00 02 00 00 75 07 e8 9c 1d 7e 00 eb 06 e8 95 1d 7e 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 37 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 40 [ 652.509499][ C1] RSP: 0018:ffffc900002077c0 EFLAGS: 00000293 [ 652.509516][ C1] RAX: ffffffff8109542b RBX: ffffffff869aec80 RCX: ffff888103679300 [ 652.509530][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 652.509543][ C1] RBP: ffffc90000207858 R08: 0000000000000003 R09: 0000000000000004 [ 652.509556][ C1] R10: dffffc0000000000 R11: fffffbfff0ea5dbc R12: dffffc0000000004 [ 652.509578][ C1] R13: 0000000000000200 R14: dffffc0000000000 R15: 1ffff92000040ef8 [ 652.509594][ C1] ? dump_stack_lvl+0x16b/0x1c0 [ 652.509619][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.509642][ C1] ? ref_tracker_alloc+0x356/0x5b0 [ 652.509664][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.509686][ C1] ? dst_alloc+0x163/0x240 [ 652.509705][ C1] dump_stack+0x19/0x20 [ 652.509727][ C1] should_fail_ex+0x3c2/0x510 [ 652.509747][ C1] should_failslab+0xac/0x100 [ 652.509768][ C1] __kmalloc_cache_noprof+0x41/0x470 [ 652.509787][ C1] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.509806][ C1] ? dst_init+0x329/0x430 [ 652.509825][ C1] dst_cow_metrics_generic+0x65/0x2a0 [ 652.509845][ C1] icmp6_dst_alloc+0x313/0x4f0 [ 652.509862][ C1] mld_sendpack+0x5ac/0xd10 [ 652.509884][ C1] ? add_grec+0x1400/0x1400 [ 652.509903][ C1] ? add_grec+0xfa8/0x1400 [ 652.509922][ C1] ? __asan_memcpy+0x5a/0x80 [ 652.509941][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 652.509964][ C1] ? __schedule+0x149e/0x20b0 [ 652.509987][ C1] mld_ifc_work+0x7cc/0xc40 [ 652.510007][ C1] process_scheduled_works+0x7f7/0x1060 [ 652.510030][ C1] worker_thread+0xc99/0x13f0 [ 652.510051][ C1] kthread+0x2c7/0x360 [ 652.510070][ C1] ? __cfi_worker_thread+0x10/0x10 [ 652.510089][ C1] ? __cfi_kthread+0x10/0x10 [ 652.510109][ C1] ret_from_fork+0x67/0xa0 [ 652.510132][ C1] ? __cfi_kthread+0x10/0x10 [ 652.510152][ C1] ret_from_fork_asm+0x1a/0x30 [ 652.510171][ C1] [ 652.511012][ T6864] FAULT_INJECTION: forcing a failure. [ 652.511012][ T6864] name failslab, interval 1, probability 10, space 0, times 3 [ 652.512192][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.512216][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.512228][ T377] Workqueue: mld mld_ifc_work [ 652.512249][ T377] Call Trace: [ 652.512255][ T377] [ 652.512263][ T377] __dump_stack+0x21/0x30 [ 652.512287][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.512310][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.512335][ T377] dump_stack+0x19/0x20 [ 652.512357][ T377] should_fail_ex+0x3c2/0x510 [ 652.512378][ T377] should_failslab+0xac/0x100 [ 652.512399][ T377] kmem_cache_alloc_node_noprof+0x45/0x420 [ 652.512420][ T377] ? __alloc_skb+0x10c/0x360 [ 652.512444][ T377] ? __cfi_ip6_finish_output+0x10/0x10 [ 652.512466][ T377] ? __cfi_ip6t_do_table+0x10/0x10 [ 652.512484][ T377] __alloc_skb+0x10c/0x360 [ 652.512507][ T377] mld_newpack+0x162/0xa10 [ 652.512528][ T377] ? mld_sendpack+0xd10/0xd10 [ 652.512547][ T377] ? add_grec+0x1400/0x1400 [ 652.512566][ T377] ? add_grec+0xfa8/0x1400 [ 652.512585][ T377] add_grec+0xf20/0x1400 [ 652.512604][ T377] ? __kasan_check_write+0x18/0x20 [ 652.512621][ T377] ? mutex_lock+0x97/0x1d0 [ 652.512644][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.512668][ T377] mld_ifc_work+0x71d/0xc40 [ 652.512687][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.512708][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.512730][ T377] worker_thread+0xc99/0x13f0 [ 652.512749][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.512770][ T377] ? __kasan_check_read+0x15/0x20 [ 652.512788][ T377] kthread+0x2c7/0x360 [ 652.512807][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.512826][ T377] ? __cfi_kthread+0x10/0x10 [ 652.512846][ T377] ret_from_fork+0x67/0xa0 [ 652.512870][ T377] ? __cfi_kthread+0x10/0x10 [ 652.512890][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.512909][ T377] [ 652.513583][ T377] FAULT_INJECTION: forcing a failure. [ 652.513583][ T377] name failslab, interval 1, probability 10, space 0, times 2 [ 652.517541][T11674] FAULT_INJECTION: forcing a failure. [ 652.517541][T11674] name failslab, interval 1, probability 10, space 0, times 1 [ 652.521942][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.521971][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.521983][ T377] Workqueue: mld mld_ifc_work [ 652.522004][ T377] Call Trace: [ 652.522011][ T377] [ 652.522018][ T377] __dump_stack+0x21/0x30 [ 652.522044][ T377] dump_stack_lvl+0x140/0x1c0 [ 652.522067][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.522098][ T377] ? ref_tracker_alloc+0x356/0x5b0 [ 652.522121][ T377] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 652.522143][ T377] ? dst_alloc+0x163/0x240 [ 652.522163][ T377] dump_stack+0x19/0x20 [ 652.522186][ T377] should_fail_ex+0x3c2/0x510 [ 652.522206][ T377] should_failslab+0xac/0x100 [ 652.522228][ T377] __kmalloc_cache_noprof+0x41/0x470 [ 652.522248][ T377] ? dst_cow_metrics_generic+0x65/0x2a0 [ 652.522268][ T377] ? dst_init+0x329/0x430 [ 652.522287][ T377] dst_cow_metrics_generic+0x65/0x2a0 [ 652.522308][ T377] icmp6_dst_alloc+0x313/0x4f0 [ 652.522325][ T377] mld_sendpack+0x5ac/0xd10 [ 652.522347][ T377] ? add_grec+0x1400/0x1400 [ 652.522366][ T377] ? add_grec+0xfa8/0x1400 [ 652.522385][ T377] ? __asan_memcpy+0x5a/0x80 [ 652.522404][ T377] ? __cfi_mutex_lock+0x10/0x10 [ 652.522428][ T377] mld_ifc_work+0x7cc/0xc40 [ 652.522446][ T377] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.522468][ T377] process_scheduled_works+0x7f7/0x1060 [ 652.522490][ T377] worker_thread+0xc99/0x13f0 [ 652.522510][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 652.522530][ T377] ? __kasan_check_read+0x15/0x20 [ 652.522549][ T377] kthread+0x2c7/0x360 [ 652.522568][ T377] ? __cfi_worker_thread+0x10/0x10 [ 652.522587][ T377] ? __cfi_kthread+0x10/0x10 [ 652.522607][ T377] ret_from_fork+0x67/0xa0 [ 652.522632][ T377] ? __cfi_kthread+0x10/0x10 [ 652.522652][ T377] ret_from_fork_asm+0x1a/0x30 [ 652.522671][ T377] [ 652.522779][ T6864] CPU: 0 UID: 0 PID: 6864 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.522802][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.522813][ T6864] Call Trace: [ 652.522819][ T6864] [ 652.522826][ T6864] __dump_stack+0x21/0x30 [ 652.522851][ T6864] dump_stack_lvl+0x140/0x1c0 [ 652.522874][ T6864] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.522898][ T6864] dump_stack+0x19/0x20 [ 652.522921][ T6864] should_fail_ex+0x3c2/0x510 [ 652.522941][ T6864] should_failslab+0xac/0x100 [ 652.522963][ T6864] kmem_cache_alloc_noprof+0x42/0x410 [ 652.522982][ T6864] ? getname_flags+0xcc/0x6b0 [ 652.523002][ T6864] getname_flags+0xcc/0x6b0 [ 652.523022][ T6864] user_path_at+0x2b/0x60 [ 652.523044][ T6864] __se_sys_inotify_add_watch+0x1c6/0xf40 [ 652.523066][ T6864] ? putname+0x113/0x150 [ 652.523094][ T6864] ? do_sys_open+0x100/0x100 [ 652.523119][ T6864] ? __x64_sys_inotify_add_watch+0xa0/0xa0 [ 652.523142][ T6864] ? __kasan_check_write+0x18/0x20 [ 652.523159][ T6864] ? fpregs_restore_userregs+0x11c/0x260 [ 652.523182][ T6864] __x64_sys_inotify_add_watch+0x7f/0xa0 [ 652.523203][ T6864] x64_sys_call+0x2c68/0x2ee0 [ 652.523220][ T6864] do_syscall_64+0x57/0xf0 [ 652.523240][ T6864] ? clear_bhb_loop+0x50/0xa0 [ 652.523264][ T6864] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.523286][ T6864] RIP: 0033:0x7f90bec449a7 [ 652.523303][ T6864] Code: f0 ff ff 73 01 c3 48 8b 0d 4e f4 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 fe 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 21 f4 0c 00 f7 d8 64 89 01 48 [ 652.523318][ T6864] RSP: 002b:00007ffcb424a6f8 EFLAGS: 00000206 ORIG_RAX: 00000000000000fe [ 652.523338][ T6864] RAX: ffffffffffffffda RBX: 000055e694511600 RCX: 00007f90bec449a7 [ 652.523353][ T6864] RDX: 0000000000000008 RSI: 000055e6944ff6a0 RDI: 0000000000000007 [ 652.523365][ T6864] RBP: 000055e6942b82c0 R08: 00000000000001d0 R09: 0000000000000003 [ 652.523378][ T6864] R10: 00000000000001b6 R11: 0000000000000206 R12: 000055e694511600 [ 652.523391][ T6864] R13: 000055e6944f90f0 R14: 0000000000000008 R15: 000055e694511600 [ 652.523406][ T6864] [ 652.523457][ T6864] udevd[6864]: inotify_add_watch(7, /dev/loop8, 10) failed: Cannot allocate memory [ 652.527500][T11674] CPU: 1 UID: 0 PID: 11674 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 652.527526][T11674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 652.527536][T11674] Call Trace: [ 652.527543][T11674] [ 652.527550][T11674] __dump_stack+0x21/0x30 [ 652.527582][T11674] dump_stack_lvl+0x140/0x1c0 [ 652.527606][T11674] ? __cfi_dump_stack_lvl+0x10/0x10 [ 652.527629][T11674] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.527651][T11674] ? kvfree_call_rcu+0x40e/0x730 [ 652.527673][T11674] dump_stack+0x19/0x20 [ 652.527696][T11674] should_fail_ex+0x3c2/0x510 [ 652.527716][T11674] should_failslab+0xac/0x100 [ 652.527738][T11674] __kmalloc_cache_noprof+0x41/0x470 [ 652.527757][T11674] ? __dev_set_rx_mode+0x74/0x280 [ 652.527776][T11674] ? igmp6_group_dropped+0x3b7/0xc10 [ 652.527795][T11674] ? _raw_spin_unlock_bh+0x54/0x60 [ 652.527816][T11674] igmp6_group_dropped+0x3b7/0xc10 [ 652.527835][T11674] ? netlink_broadcast_filtered+0x114e/0x11d0 [ 652.527864][T11674] ? __ipv6_dev_mc_inc+0xa30/0xa30 [ 652.527882][T11674] ? mutex_lock+0x97/0x1d0 [ 652.527906][T11674] ? __kasan_check_read+0x15/0x20 [ 652.527924][T11674] __ipv6_dev_mc_dec+0x29f/0x4c0 [ 652.527943][T11674] __ipv6_ifa_notify+0x7b1/0xee0 [ 652.527965][T11674] ? snmp6_fill_stats+0x9b0/0x9b0 [ 652.527984][T11674] ? _raw_spin_lock+0x92/0x120 [ 652.528004][T11674] ? __cfi__raw_spin_lock+0x10/0x10 [ 652.528024][T11674] ? __kasan_check_write+0x18/0x20 [ 652.528042][T11674] ? work_grab_pending+0x301/0x830 [ 652.528065][T11674] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.528087][T11674] ? kvfree_call_rcu+0x40e/0x730 [ 652.528107][T11674] ? mod_delayed_work_on+0x140/0x140 [ 652.528130][T11674] ? __kasan_check_write+0x18/0x20 [ 652.528148][T11674] ? _raw_spin_lock_bh+0x96/0x130 [ 652.528168][T11674] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 652.528189][T11674] ? __cancel_work+0x175/0x1f0 [ 652.528212][T11674] addrconf_ifdown+0xe01/0x1970 [ 652.528232][T11674] ? addrconf_cleanup+0x150/0x150 [ 652.528251][T11674] ? __kasan_check_write+0x18/0x20 [ 652.528269][T11674] ? mutex_unlock+0x90/0x240 [ 652.528291][T11674] ? __cfi_mutex_unlock+0x10/0x10 [ 652.528315][T11674] ? __cfi_device_cmp+0x10/0x10 [ 652.528337][T11674] ? masq_device_event+0xe0/0xe0 [ 652.528359][T11674] addrconf_notify+0x17a/0xeb0 [ 652.528380][T11674] ? ip6mr_device_event+0x1ed/0x230 [ 652.528398][T11674] ? __cfi_addrconf_notify+0x10/0x10 [ 652.528419][T11674] notifier_call_chain+0x106/0x2b0 [ 652.528437][T11674] raw_notifier_call_chain+0x31/0x40 [ 652.528456][T11674] dev_close_many+0x332/0x4f0 [ 652.528476][T11674] ? __cfi_dev_close_many+0x10/0x10 [ 652.528495][T11674] ? __kasan_check_read+0x15/0x20 [ 652.528513][T11674] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 652.528538][T11674] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 652.528559][T11674] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 652.528587][T11674] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 652.528612][T11674] ? add_timer_global+0x84/0xb0 [ 652.528632][T11674] ? __queue_delayed_work+0x1b0/0x240 [ 652.528655][T11674] ? queue_delayed_work_on+0x16f/0x1f0 [ 652.528678][T11674] ? __kasan_check_read+0x15/0x20 [ 652.528717][T11674] unregister_netdevice_queue+0x302/0x350 [ 652.528740][T11674] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 652.528763][T11674] ? linkwatch_fire_event+0x212/0x260 [ 652.528790][T11674] __tun_detach+0xc98/0x1450 [ 652.528811][T11674] ? __cfi_tun_chr_close+0x10/0x10 [ 652.528828][T11674] tun_chr_close+0x93/0x150 [ 652.528845][T11674] __fput+0x208/0xa30 [ 652.528870][T11674] ____fput+0x20/0x30 [ 652.528892][T11674] task_work_run+0x1e8/0x260 [ 652.528915][T11674] ? __cfi_task_work_run+0x10/0x10 [ 652.528937][T11674] ? free_nsproxy+0x223/0x290 [ 652.528963][T11674] do_exit+0xa46/0x2850 [ 652.528987][T11674] ? __cfi_do_exit+0x10/0x10 [ 652.529009][T11674] ? __kasan_check_write+0x18/0x20 [ 652.529028][T11674] ? _raw_spin_lock_irq+0x93/0x120 [ 652.529048][T11674] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 652.529067][T11674] ? __cfi_ksys_write+0x10/0x10 [ 652.529086][T11674] ? zap_other_threads+0x32f/0x370 [ 652.529109][T11674] do_group_exit+0x21f/0x2f0 [ 652.529132][T11674] __x64_sys_exit_group+0x43/0x50 [ 652.529155][T11674] x64_sys_call+0x2ed2/0x2ee0 [ 652.529172][T11674] do_syscall_64+0x57/0xf0 [ 652.529191][T11674] ? clear_bhb_loop+0x50/0xa0 [ 652.529215][T11674] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 652.529238][T11674] RIP: 0033:0x7f395b99df99 [ 652.529252][T11674] Code: Unable to access opcode bytes at 0x7f395b99df6f. [ 652.529263][T11674] RSP: 002b:00007fff7af58648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 652.529282][T11674] RAX: ffffffffffffffda RBX: 00007f395ba34320 RCX: 00007f395b99df99 [ 652.529297][T11674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 652.529309][T11674] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f395ba34314 [ 652.529322][T11674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7af598a0 [ 652.529334][T11674] R13: 00007f395ba34314 R14: 0000000000095969 R15: 00007fff7af598e0 [ 652.529349][T11674] [ 664.556860][ T2044] FAULT_INJECTION: forcing a failure. [ 664.556860][ T2044] name failslab, interval 1, probability 10, space 0, times 98 [ 664.557083][T11710] FAULT_INJECTION: forcing a failure. [ 664.557083][T11710] name failslab, interval 1, probability 10, space 0, times 98 [ 664.569778][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.569814][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.569827][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.569855][ T2044] Call Trace: [ 664.569863][ T2044] [ 664.569870][ T2044] __dump_stack+0x21/0x30 [ 664.569907][ T2044] dump_stack_lvl+0x140/0x1c0 [ 664.569931][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.569956][ T2044] dump_stack+0x19/0x20 [ 664.569980][ T2044] should_fail_ex+0x3c2/0x510 [ 664.570002][ T2044] ? ___neigh_create+0x741/0x2100 [ 664.570025][ T2044] should_failslab+0xac/0x100 [ 664.570047][ T2044] __kmalloc_noprof+0x69/0x510 [ 664.570066][ T2044] ? ___neigh_create+0x741/0x2100 [ 664.570087][ T2044] ? ip6t_do_table+0x1355/0x1510 [ 664.570106][ T2044] ___neigh_create+0x741/0x2100 [ 664.570128][ T2044] ? __kasan_check_read+0x15/0x20 [ 664.570147][ T2044] ? selinux_ip_postroute+0x291/0xfe0 [ 664.570167][ T2044] __neigh_create+0x72/0xb0 [ 664.570189][ T2044] ip6_finish_output2+0xba2/0x1990 [ 664.570215][ T2044] ? __cfi_ip6_finish_output2+0x10/0x10 [ 664.570240][ T2044] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 664.570261][ T2044] ip6_finish_output+0x535/0xaf0 [ 664.570284][ T2044] ip6_output+0x1fe/0x420 [ 664.570306][ T2044] ? __cfi_ip6_output+0x10/0x10 [ 664.570327][ T2044] ? __cfi_ip6_finish_output+0x10/0x10 [ 664.570349][ T2044] ? __cfi_ip6t_do_table+0x10/0x10 [ 664.570367][ T2044] ? __cfi_ip6_output+0x10/0x10 [ 664.570388][ T2044] ndisc_send_skb+0x777/0xca0 [ 664.570408][ T2044] ? __cfi_ndisc_send_skb+0x10/0x10 [ 664.570427][ T2044] ? __cfi_dst_output+0x10/0x10 [ 664.570445][ T2044] ? __asan_memcpy+0x5a/0x80 [ 664.570464][ T2044] ? __ndisc_fill_addr_option+0xe2/0x140 [ 664.570483][ T2044] ndisc_send_rs+0x675/0x880 [ 664.570502][ T2044] addrconf_dad_completed+0x973/0xef0 [ 664.570523][ T2044] ? addrconf_dad_stop+0x460/0x460 [ 664.570543][ T2044] addrconf_dad_work+0xc7f/0x1550 [ 664.570562][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.570581][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.570602][ T2044] ? kick_pool+0xb9/0x540 [ 664.570624][ T2044] process_scheduled_works+0x7f7/0x1060 [ 664.570645][ T2044] worker_thread+0xc99/0x13f0 [ 664.570665][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 664.570686][ T2044] ? __kasan_check_read+0x15/0x20 [ 664.570704][ T2044] kthread+0x2c7/0x360 [ 664.570725][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 664.570743][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.570763][ T2044] ret_from_fork+0x67/0xa0 [ 664.570788][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.570808][ T2044] ret_from_fork_asm+0x1a/0x30 [ 664.570826][ T2044] [ 664.571218][ T2044] FAULT_INJECTION: forcing a failure. [ 664.571218][ T2044] name failslab, interval 1, probability 10, space 0, times 96 [ 664.582664][ C1] FAULT_INJECTION: forcing a failure. [ 664.582664][ C1] name failslab, interval 1, probability 10, space 0, times 96 [ 664.582692][ C1] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.582717][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.582730][ C1] Call Trace: [ 664.582737][ C1] [ 664.582744][ C1] __dump_stack+0x21/0x30 [ 664.582773][ C1] dump_stack_lvl+0x140/0x1c0 [ 664.582800][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.582829][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 664.582856][ C1] ? __kasan_check_write+0x18/0x20 [ 664.582875][ C1] dump_stack+0x19/0x20 [ 664.582899][ C1] should_fail_ex+0x3c2/0x510 [ 664.582922][ C1] should_failslab+0xac/0x100 [ 664.582947][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.582969][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 664.582995][ C1] ? __alloc_skb+0x10c/0x360 [ 664.583023][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.583049][ C1] __alloc_skb+0x10c/0x360 [ 664.583072][ C1] ndisc_send_rs+0x322/0x880 [ 664.583092][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 664.583117][ C1] addrconf_rs_timer+0x362/0x620 [ 664.583139][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.583160][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 664.583180][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 664.583201][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.583221][ C1] call_timer_fn+0x4c/0x300 [ 664.583243][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.583264][ C1] __run_timer_base+0x6c0/0x9b0 [ 664.583288][ C1] ? timer_expire_remote+0xa0/0xa0 [ 664.583309][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 664.583336][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 664.583361][ C1] run_timer_softirq+0x35/0x70 [ 664.583393][ C1] handle_softirqs+0x1aa/0x620 [ 664.583417][ C1] __irq_exit_rcu+0x47/0xb0 [ 664.583435][ C1] irq_exit_rcu+0xd/0x30 [ 664.583452][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 664.583477][ C1] [ 664.583484][ C1] [ 664.583491][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.583514][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 664.583542][ C1] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 664.583557][ C1] RSP: 0018:ffffc900016d7060 EFLAGS: 00000287 [ 664.583575][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 664.583591][ C1] RDX: ffffc9001231f000 RSI: 000000000004e559 RDI: 000000000004e55a [ 664.583604][ C1] RBP: ffffc900016d7190 R08: 0000000000000003 R09: 0000000000000004 [ 664.583616][ C1] R10: dffffc0000000000 R11: fffff520002dadfc R12: dffffc0000000000 [ 664.583631][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 664.583646][ C1] ? console_flush_all+0x6f8/0xab0 [ 664.583671][ C1] ? __console_rewind_all+0x170/0x170 [ 664.583695][ C1] ? __kasan_check_read+0x15/0x20 [ 664.583712][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 664.583737][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 664.583755][ C1] console_unlock+0xf8/0x2c0 [ 664.583775][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.583796][ C1] ? __cfi_console_unlock+0x10/0x10 [ 664.583818][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.583841][ C1] ? vprintk_emit+0x53f/0x650 [ 664.583864][ C1] vprintk_emit+0x282/0x650 [ 664.583887][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 664.583909][ C1] ? kasan_save_track+0x4f/0x80 [ 664.583929][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.583954][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.583975][ C1] ? kmem_cache_alloc_lru_noprof+0x1c2/0x410 [ 664.583995][ C1] ? alloc_inode+0x7a/0x270 [ 664.584018][ C1] vprintk_default+0x2a/0x40 [ 664.584040][ C1] vprintk+0x93/0xa0 [ 664.584056][ C1] _printk+0xde/0x140 [ 664.584079][ C1] ? __cfi__printk+0x10/0x10 [ 664.584102][ C1] should_fail_ex+0x3a4/0x510 [ 664.584123][ C1] should_failslab+0xac/0x100 [ 664.584144][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 664.584162][ C1] ? security_inode_alloc+0x51/0x230 [ 664.584185][ C1] security_inode_alloc+0x51/0x230 [ 664.584207][ C1] inode_init_always_gfp+0x756/0x9e0 [ 664.584229][ C1] ? __cfi_proc_alloc_inode+0x10/0x10 [ 664.584306][ C1] alloc_inode+0xc5/0x270 [ 664.584327][ C1] new_inode+0x25/0x1e0 [ 664.584349][ C1] proc_pid_make_inode+0x25/0x140 [ 664.584396][ C1] proc_pident_instantiate+0x6d/0x2c0 [ 664.584418][ C1] proc_pident_lookup+0x1c7/0x270 [ 664.584440][ C1] proc_tgid_base_lookup+0x2f/0x40 [ 664.584462][ C1] __lookup_slow+0x2e2/0x420 [ 664.584484][ C1] ? lookup_one_len+0x300/0x300 [ 664.584505][ C1] ? down_read+0x7f/0xe0 [ 664.584530][ C1] ? __cfi_proc_pid_permission+0x10/0x10 [ 664.584552][ C1] lookup_slow+0x57/0x80 [ 664.584574][ C1] link_path_walk+0x991/0xeb0 [ 664.584594][ C1] path_openat+0x298/0x35a0 [ 664.584617][ C1] ? schedule+0xc5/0x240 [ 664.584639][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.584663][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.584684][ C1] ? getname+0x1b/0x30 [ 664.584703][ C1] ? x64_sys_call+0xe69/0x2ee0 [ 664.584719][ C1] ? do_syscall_64+0x57/0xf0 [ 664.584740][ C1] ? do_filp_open+0x440/0x440 [ 664.584763][ C1] do_filp_open+0x1f2/0x440 [ 664.584786][ C1] ? __cfi_do_filp_open+0x10/0x10 [ 664.584809][ C1] ? __cfi_kfree_link+0x10/0x10 [ 664.584835][ C1] ? alloc_fd+0x4c1/0x570 [ 664.584855][ C1] do_sys_openat2+0x134/0x1d0 [ 664.584879][ C1] ? do_sys_open+0x100/0x100 [ 664.584904][ C1] __x64_sys_openat+0x13a/0x170 [ 664.584928][ C1] x64_sys_call+0xe69/0x2ee0 [ 664.584945][ C1] do_syscall_64+0x57/0xf0 [ 664.584964][ C1] ? clear_bhb_loop+0x50/0xa0 [ 664.584987][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.585010][ C1] RIP: 0033:0x7fd56d55e7ce [ 664.585026][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.585041][ C1] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.585060][ C1] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.585075][ C1] RDX: 0000000000000002 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.585088][ C1] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.585101][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.585114][ C1] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.585130][ C1] [ 664.585245][ C1] FAULT_INJECTION: forcing a failure. [ 664.585245][ C1] name failslab, interval 1, probability 10, space 0, times 95 [ 664.594826][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.594853][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.594867][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.594896][ T2044] Call Trace: [ 664.594903][ T2044] [ 664.594910][ T2044] __dump_stack+0x21/0x30 [ 664.594935][ T2044] dump_stack_lvl+0x140/0x1c0 [ 664.594960][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.594983][ T2044] ? __asan_memset+0x39/0x50 [ 664.595002][ T2044] dump_stack+0x19/0x20 [ 664.595024][ T2044] should_fail_ex+0x3c2/0x510 [ 664.595045][ T2044] should_failslab+0xac/0x100 [ 664.595067][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.595088][ T2044] ? __alloc_skb+0x10c/0x360 [ 664.595111][ T2044] ? __kasan_check_write+0x18/0x20 [ 664.595129][ T2044] ? _raw_write_lock_bh+0x96/0xf0 [ 664.595151][ T2044] __alloc_skb+0x10c/0x360 [ 664.595175][ T2044] __ipv6_ifa_notify+0x205/0xee0 [ 664.595196][ T2044] ? snmp6_fill_stats+0x9b0/0x9b0 [ 664.595216][ T2044] ? timer_delete+0x101/0x3e0 [ 664.595239][ T2044] ? __kasan_check_write+0x18/0x20 [ 664.595256][ T2044] ? work_grab_pending+0x301/0x830 [ 664.595280][ T2044] ? __kasan_check_write+0x18/0x20 [ 664.595298][ T2044] ? mutex_unlock+0x90/0x240 [ 664.595321][ T2044] ? mod_delayed_work_on+0x140/0x140 [ 664.595343][ T2044] ? fib6_flush_trees+0x148/0x1a0 [ 664.595367][ T2044] ? __kasan_check_write+0x18/0x20 [ 664.595385][ T2044] ? __cancel_work+0x175/0x1f0 [ 664.595408][ T2044] addrconf_dad_completed+0x198/0xef0 [ 664.595428][ T2044] ? addrconf_dad_stop+0x460/0x460 [ 664.595448][ T2044] addrconf_dad_work+0xc7f/0x1550 [ 664.595467][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.595486][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.595506][ T2044] ? kick_pool+0xb9/0x540 [ 664.595527][ T2044] process_scheduled_works+0x7f7/0x1060 [ 664.595549][ T2044] worker_thread+0xc99/0x13f0 [ 664.595568][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 664.595589][ T2044] ? __kasan_check_read+0x15/0x20 [ 664.595608][ T2044] kthread+0x2c7/0x360 [ 664.595628][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 664.595646][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.595666][ T2044] ret_from_fork+0x67/0xa0 [ 664.595691][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.595711][ T2044] ret_from_fork_asm+0x1a/0x30 [ 664.595730][ T2044] [ 664.595797][ T2044] FAULT_INJECTION: forcing a failure. [ 664.595797][ T2044] name failslab, interval 1, probability 10, space 0, times 94 [ 664.604890][ C1] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.604918][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.604930][ C1] Call Trace: [ 664.604936][ C1] [ 664.604944][ C1] __dump_stack+0x21/0x30 [ 664.604969][ C1] dump_stack_lvl+0x140/0x1c0 [ 664.604992][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.605016][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 664.605040][ C1] ? __kasan_check_write+0x18/0x20 [ 664.605059][ C1] dump_stack+0x19/0x20 [ 664.605081][ C1] should_fail_ex+0x3c2/0x510 [ 664.605101][ C1] should_failslab+0xac/0x100 [ 664.605123][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.605143][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 664.605165][ C1] ? __alloc_skb+0x10c/0x360 [ 664.605188][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.605210][ C1] __alloc_skb+0x10c/0x360 [ 664.605234][ C1] ndisc_send_rs+0x322/0x880 [ 664.605252][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 664.605277][ C1] addrconf_rs_timer+0x362/0x620 [ 664.605298][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.605319][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 664.605339][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 664.605359][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.605388][ C1] call_timer_fn+0x4c/0x300 [ 664.605410][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.605431][ C1] __run_timer_base+0x6c0/0x9b0 [ 664.605454][ C1] ? timer_expire_remote+0xa0/0xa0 [ 664.605475][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 664.605501][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 664.605525][ C1] run_timer_softirq+0x35/0x70 [ 664.605547][ C1] handle_softirqs+0x1aa/0x620 [ 664.605567][ C1] __irq_exit_rcu+0x47/0xb0 [ 664.605585][ C1] irq_exit_rcu+0xd/0x30 [ 664.605602][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 664.605626][ C1] [ 664.605633][ C1] [ 664.605640][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.605663][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 664.605689][ C1] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 664.605703][ C1] RSP: 0018:ffffc900016d7060 EFLAGS: 00000287 [ 664.605720][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 664.605735][ C1] RDX: ffffc9001231f000 RSI: 000000000004e559 RDI: 000000000004e55a [ 664.605748][ C1] RBP: ffffc900016d7190 R08: 0000000000000003 R09: 0000000000000004 [ 664.605761][ C1] R10: dffffc0000000000 R11: fffff520002dadfc R12: dffffc0000000000 [ 664.605775][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 664.605790][ C1] ? console_flush_all+0x6f8/0xab0 [ 664.605816][ C1] ? __console_rewind_all+0x170/0x170 [ 664.605840][ C1] ? __kasan_check_read+0x15/0x20 [ 664.605858][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 664.605883][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 664.605901][ C1] console_unlock+0xf8/0x2c0 [ 664.605923][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.605944][ C1] ? __cfi_console_unlock+0x10/0x10 [ 664.605966][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.605990][ C1] ? vprintk_emit+0x53f/0x650 [ 664.606012][ C1] vprintk_emit+0x282/0x650 [ 664.606034][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 664.606056][ C1] ? kasan_save_track+0x4f/0x80 [ 664.606076][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.606100][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.606121][ C1] ? kmem_cache_alloc_lru_noprof+0x1c2/0x410 [ 664.606141][ C1] ? alloc_inode+0x7a/0x270 [ 664.606162][ C1] vprintk_default+0x2a/0x40 [ 664.606183][ C1] vprintk+0x93/0xa0 [ 664.606200][ C1] _printk+0xde/0x140 [ 664.606221][ C1] ? __cfi__printk+0x10/0x10 [ 664.606243][ C1] should_fail_ex+0x3a4/0x510 [ 664.606263][ C1] should_failslab+0xac/0x100 [ 664.606284][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 664.606303][ C1] ? security_inode_alloc+0x51/0x230 [ 664.606325][ C1] security_inode_alloc+0x51/0x230 [ 664.606346][ C1] inode_init_always_gfp+0x756/0x9e0 [ 664.606368][ C1] ? __cfi_proc_alloc_inode+0x10/0x10 [ 664.606393][ C1] alloc_inode+0xc5/0x270 [ 664.606414][ C1] new_inode+0x25/0x1e0 [ 664.606436][ C1] proc_pid_make_inode+0x25/0x140 [ 664.606456][ C1] proc_pident_instantiate+0x6d/0x2c0 [ 664.606479][ C1] proc_pident_lookup+0x1c7/0x270 [ 664.606501][ C1] proc_tgid_base_lookup+0x2f/0x40 [ 664.606523][ C1] __lookup_slow+0x2e2/0x420 [ 664.606545][ C1] ? lookup_one_len+0x300/0x300 [ 664.606566][ C1] ? down_read+0x7f/0xe0 [ 664.606589][ C1] ? __cfi_proc_pid_permission+0x10/0x10 [ 664.606612][ C1] lookup_slow+0x57/0x80 [ 664.606633][ C1] link_path_walk+0x991/0xeb0 [ 664.606654][ C1] path_openat+0x298/0x35a0 [ 664.606676][ C1] ? schedule+0xc5/0x240 [ 664.606698][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.606722][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.606742][ C1] ? getname+0x1b/0x30 [ 664.606761][ C1] ? x64_sys_call+0xe69/0x2ee0 [ 664.606779][ C1] ? do_syscall_64+0x57/0xf0 [ 664.606799][ C1] ? do_filp_open+0x440/0x440 [ 664.606823][ C1] do_filp_open+0x1f2/0x440 [ 664.606846][ C1] ? __cfi_do_filp_open+0x10/0x10 [ 664.606869][ C1] ? __cfi_kfree_link+0x10/0x10 [ 664.606894][ C1] ? alloc_fd+0x4c1/0x570 [ 664.606914][ C1] do_sys_openat2+0x134/0x1d0 [ 664.606939][ C1] ? do_sys_open+0x100/0x100 [ 664.606964][ C1] __x64_sys_openat+0x13a/0x170 [ 664.606989][ C1] x64_sys_call+0xe69/0x2ee0 [ 664.607006][ C1] do_syscall_64+0x57/0xf0 [ 664.607025][ C1] ? clear_bhb_loop+0x50/0xa0 [ 664.607049][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.607071][ C1] RIP: 0033:0x7fd56d55e7ce [ 664.607086][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.607101][ C1] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.607120][ C1] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.607134][ C1] RDX: 0000000000000002 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.607148][ C1] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.607160][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.607173][ C1] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.607189][ C1] [ 664.607203][ C1] FAULT_INJECTION: forcing a failure. [ 664.607203][ C1] name failslab, interval 1, probability 10, space 0, times 93 [ 664.610887][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.610914][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.610926][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.610946][ T2044] Call Trace: [ 664.610953][ T2044] [ 664.610960][ T2044] __dump_stack+0x21/0x30 [ 664.610985][ T2044] dump_stack_lvl+0x140/0x1c0 [ 664.611009][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.611032][ T2044] ? dump_stack_lvl+0x16b/0x1c0 [ 664.611056][ T2044] ? __cfi_fib6_add+0x10/0x10 [ 664.611079][ T2044] ? __asan_memset+0x39/0x50 [ 664.611097][ T2044] dump_stack+0x19/0x20 [ 664.611119][ T2044] should_fail_ex+0x3c2/0x510 [ 664.611140][ T2044] should_failslab+0xac/0x100 [ 664.611161][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.611181][ T2044] ? __alloc_skb+0x10c/0x360 [ 664.611203][ T2044] ? ip6_ins_rt+0xe1/0x140 [ 664.611226][ T2044] __alloc_skb+0x10c/0x360 [ 664.611250][ T2044] mld_newpack+0x162/0xa10 [ 664.611269][ T2044] ? __ipv6_ifa_notify+0xc52/0xee0 [ 664.611289][ T2044] ? mld_sendpack+0xd10/0xd10 [ 664.611309][ T2044] ? snmp6_fill_stats+0x9b0/0x9b0 [ 664.611328][ T2044] ? timer_delete+0x101/0x3e0 [ 664.611349][ T2044] add_grec+0xf20/0x1400 [ 664.611368][ T2044] ? work_grab_pending+0x301/0x830 [ 664.611391][ T2044] ? mutex_lock+0x97/0x1d0 [ 664.611415][ T2044] mld_send_initial_cr+0x157/0x320 [ 664.611435][ T2044] ipv6_mc_dad_complete+0x8b/0x460 [ 664.611454][ T2044] addrconf_dad_completed+0x74f/0xef0 [ 664.611474][ T2044] ? addrconf_dad_stop+0x460/0x460 [ 664.611494][ T2044] addrconf_dad_work+0xc7f/0x1550 [ 664.611514][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.611532][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.611552][ T2044] ? kick_pool+0xb9/0x540 [ 664.611573][ T2044] process_scheduled_works+0x7f7/0x1060 [ 664.611595][ T2044] worker_thread+0xc99/0x13f0 [ 664.611614][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 664.611635][ T2044] ? __kasan_check_read+0x15/0x20 [ 664.611654][ T2044] kthread+0x2c7/0x360 [ 664.611673][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 664.611692][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.611712][ T2044] ret_from_fork+0x67/0xa0 [ 664.611737][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.611756][ T2044] ret_from_fork_asm+0x1a/0x30 [ 664.611775][ T2044] [ 664.611919][ T2044] FAULT_INJECTION: forcing a failure. [ 664.611919][ T2044] name failslab, interval 1, probability 10, space 0, times 92 [ 664.614172][ C1] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.614197][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.614208][ C1] Call Trace: [ 664.614214][ C1] [ 664.614221][ C1] __dump_stack+0x21/0x30 [ 664.614244][ C1] dump_stack_lvl+0x140/0x1c0 [ 664.614267][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.614291][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 664.614313][ C1] ? __kasan_check_write+0x18/0x20 [ 664.614331][ C1] dump_stack+0x19/0x20 [ 664.614353][ C1] should_fail_ex+0x3c2/0x510 [ 664.614379][ C1] should_failslab+0xac/0x100 [ 664.614401][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.614420][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 664.614442][ C1] ? __alloc_skb+0x10c/0x360 [ 664.614465][ C1] __alloc_skb+0x10c/0x360 [ 664.614488][ C1] ndisc_send_rs+0x322/0x880 [ 664.614506][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 664.614531][ C1] addrconf_rs_timer+0x362/0x620 [ 664.614552][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.614573][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 664.614593][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 664.614613][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.614634][ C1] call_timer_fn+0x4c/0x300 [ 664.614656][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.614677][ C1] __run_timer_base+0x6c0/0x9b0 [ 664.614700][ C1] ? timer_expire_remote+0xa0/0xa0 [ 664.614721][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 664.614748][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 664.614772][ C1] run_timer_softirq+0x35/0x70 [ 664.614794][ C1] handle_softirqs+0x1aa/0x620 [ 664.614814][ C1] __irq_exit_rcu+0x47/0xb0 [ 664.614831][ C1] irq_exit_rcu+0xd/0x30 [ 664.614848][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 664.614877][ C1] [ 664.614884][ C1] [ 664.614891][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.614914][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 664.614938][ C1] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 664.614954][ C1] RSP: 0018:ffffc900016d7060 EFLAGS: 00000287 [ 664.614970][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 664.614985][ C1] RDX: ffffc9001231f000 RSI: 000000000004e559 RDI: 000000000004e55a [ 664.614998][ C1] RBP: ffffc900016d7190 R08: 0000000000000003 R09: 0000000000000004 [ 664.615011][ C1] R10: dffffc0000000000 R11: fffff520002dadfc R12: dffffc0000000000 [ 664.615025][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 664.615039][ C1] ? console_flush_all+0x6f8/0xab0 [ 664.615065][ C1] ? __console_rewind_all+0x170/0x170 [ 664.615089][ C1] ? __kasan_check_read+0x15/0x20 [ 664.615106][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 664.615132][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 664.615151][ C1] console_unlock+0xf8/0x2c0 [ 664.615172][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.615193][ C1] ? __cfi_console_unlock+0x10/0x10 [ 664.615215][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.615239][ C1] ? vprintk_emit+0x53f/0x650 [ 664.615261][ C1] vprintk_emit+0x282/0x650 [ 664.615283][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 664.615304][ C1] ? kasan_save_track+0x4f/0x80 [ 664.615324][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.615348][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.615368][ C1] ? kmem_cache_alloc_lru_noprof+0x1c2/0x410 [ 664.615395][ C1] ? alloc_inode+0x7a/0x270 [ 664.615417][ C1] vprintk_default+0x2a/0x40 [ 664.615439][ C1] vprintk+0x93/0xa0 [ 664.615455][ C1] _printk+0xde/0x140 [ 664.615476][ C1] ? __cfi__printk+0x10/0x10 [ 664.615499][ C1] should_fail_ex+0x3a4/0x510 [ 664.615519][ C1] should_failslab+0xac/0x100 [ 664.615540][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 664.615558][ C1] ? security_inode_alloc+0x51/0x230 [ 664.615580][ C1] security_inode_alloc+0x51/0x230 [ 664.615601][ C1] inode_init_always_gfp+0x756/0x9e0 [ 664.615623][ C1] ? __cfi_proc_alloc_inode+0x10/0x10 [ 664.615641][ C1] alloc_inode+0xc5/0x270 [ 664.615663][ C1] new_inode+0x25/0x1e0 [ 664.615685][ C1] proc_pid_make_inode+0x25/0x140 [ 664.615706][ C1] proc_pident_instantiate+0x6d/0x2c0 [ 664.615728][ C1] proc_pident_lookup+0x1c7/0x270 [ 664.615751][ C1] proc_tgid_base_lookup+0x2f/0x40 [ 664.615772][ C1] __lookup_slow+0x2e2/0x420 [ 664.615794][ C1] ? lookup_one_len+0x300/0x300 [ 664.615815][ C1] ? down_read+0x7f/0xe0 [ 664.615838][ C1] ? __cfi_proc_pid_permission+0x10/0x10 [ 664.615861][ C1] lookup_slow+0x57/0x80 [ 664.615882][ C1] link_path_walk+0x991/0xeb0 [ 664.615902][ C1] path_openat+0x298/0x35a0 [ 664.615925][ C1] ? schedule+0xc5/0x240 [ 664.615946][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.615971][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.615992][ C1] ? getname+0x1b/0x30 [ 664.616010][ C1] ? x64_sys_call+0xe69/0x2ee0 [ 664.616027][ C1] ? do_syscall_64+0x57/0xf0 [ 664.616048][ C1] ? do_filp_open+0x440/0x440 [ 664.616071][ C1] do_filp_open+0x1f2/0x440 [ 664.616094][ C1] ? __cfi_do_filp_open+0x10/0x10 [ 664.616117][ C1] ? __cfi_kfree_link+0x10/0x10 [ 664.616142][ C1] ? alloc_fd+0x4c1/0x570 [ 664.616163][ C1] do_sys_openat2+0x134/0x1d0 [ 664.616187][ C1] ? do_sys_open+0x100/0x100 [ 664.616212][ C1] __x64_sys_openat+0x13a/0x170 [ 664.616238][ C1] x64_sys_call+0xe69/0x2ee0 [ 664.616254][ C1] do_syscall_64+0x57/0xf0 [ 664.616273][ C1] ? clear_bhb_loop+0x50/0xa0 [ 664.616296][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.616318][ C1] RIP: 0033:0x7fd56d55e7ce [ 664.616332][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.616346][ C1] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.616366][ C1] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.616387][ C1] RDX: 0000000000000002 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.616401][ C1] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.616414][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.616426][ C1] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.616443][ C1] [ 664.616714][ C1] FAULT_INJECTION: forcing a failure. [ 664.616714][ C1] name failslab, interval 1, probability 10, space 0, times 91 [ 664.617319][ T2044] CPU: 0 UID: 0 PID: 2044 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.617344][ T2044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.617356][ T2044] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.617377][ T2044] Call Trace: [ 664.617383][ T2044] [ 664.617390][ T2044] __dump_stack+0x21/0x30 [ 664.617415][ T2044] dump_stack_lvl+0x140/0x1c0 [ 664.617438][ T2044] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.617463][ T2044] dump_stack+0x19/0x20 [ 664.617486][ T2044] should_fail_ex+0x3c2/0x510 [ 664.617506][ T2044] should_failslab+0xac/0x100 [ 664.617528][ T2044] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.617548][ T2044] ? __alloc_skb+0x10c/0x360 [ 664.617571][ T2044] __alloc_skb+0x10c/0x360 [ 664.617595][ T2044] ndisc_send_rs+0x322/0x880 [ 664.617614][ T2044] addrconf_dad_completed+0x973/0xef0 [ 664.617634][ T2044] ? addrconf_dad_stop+0x460/0x460 [ 664.617654][ T2044] addrconf_dad_work+0xc7f/0x1550 [ 664.617674][ T2044] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.617693][ T2044] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.617712][ T2044] ? kick_pool+0xb9/0x540 [ 664.617733][ T2044] process_scheduled_works+0x7f7/0x1060 [ 664.617755][ T2044] worker_thread+0xc99/0x13f0 [ 664.617774][ T2044] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 664.617794][ T2044] ? __kasan_check_read+0x15/0x20 [ 664.617812][ T2044] kthread+0x2c7/0x360 [ 664.617832][ T2044] ? __cfi_worker_thread+0x10/0x10 [ 664.617850][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.617869][ T2044] ret_from_fork+0x67/0xa0 [ 664.617902][ T2044] ? __cfi_kthread+0x10/0x10 [ 664.617922][ T2044] ret_from_fork_asm+0x1a/0x30 [ 664.617941][ T2044] [ 664.625547][ T12] FAULT_INJECTION: forcing a failure. [ 664.625547][ T12] name failslab, interval 1, probability 10, space 0, times 90 [ 664.626103][ C1] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.626128][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.626139][ C1] Call Trace: [ 664.626145][ C1] [ 664.626152][ C1] __dump_stack+0x21/0x30 [ 664.626177][ C1] dump_stack_lvl+0x140/0x1c0 [ 664.626200][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.626228][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 664.626251][ C1] ? __kasan_check_write+0x18/0x20 [ 664.626270][ C1] dump_stack+0x19/0x20 [ 664.626292][ C1] should_fail_ex+0x3c2/0x510 [ 664.626313][ C1] should_failslab+0xac/0x100 [ 664.626334][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.626353][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 664.626385][ C1] ? __alloc_skb+0x10c/0x360 [ 664.626408][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.626430][ C1] __alloc_skb+0x10c/0x360 [ 664.626453][ C1] ndisc_send_rs+0x322/0x880 [ 664.626471][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 664.626496][ C1] addrconf_rs_timer+0x362/0x620 [ 664.626517][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.626538][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 664.626558][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 664.626579][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.626600][ C1] call_timer_fn+0x4c/0x300 [ 664.626622][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 664.626643][ C1] __run_timer_base+0x6c0/0x9b0 [ 664.626666][ C1] ? timer_expire_remote+0xa0/0xa0 [ 664.626687][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 664.626713][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 664.626737][ C1] run_timer_softirq+0x35/0x70 [ 664.626759][ C1] handle_softirqs+0x1aa/0x620 [ 664.626778][ C1] __irq_exit_rcu+0x47/0xb0 [ 664.626796][ C1] irq_exit_rcu+0xd/0x30 [ 664.626813][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 664.626837][ C1] [ 664.626844][ C1] [ 664.626851][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.626874][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 664.626900][ C1] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 664.626914][ C1] RSP: 0018:ffffc900016d7060 EFLAGS: 00000287 [ 664.626931][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: 0000000000080000 [ 664.626944][ C1] RDX: ffffc9001231f000 RSI: 000000000004e559 RDI: 000000000004e55a [ 664.626957][ C1] RBP: ffffc900016d7190 R08: 0000000000000003 R09: 0000000000000004 [ 664.626970][ C1] R10: dffffc0000000000 R11: fffff520002dadfc R12: dffffc0000000000 [ 664.626985][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 664.627000][ C1] ? console_flush_all+0x6f8/0xab0 [ 664.627025][ C1] ? __console_rewind_all+0x170/0x170 [ 664.627049][ C1] ? __kasan_check_read+0x15/0x20 [ 664.627066][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 664.627092][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 664.627110][ C1] console_unlock+0xf8/0x2c0 [ 664.627132][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.627153][ C1] ? __cfi_console_unlock+0x10/0x10 [ 664.627175][ C1] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 664.627199][ C1] ? vprintk_emit+0x53f/0x650 [ 664.627222][ C1] vprintk_emit+0x282/0x650 [ 664.627244][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 664.627266][ C1] ? kasan_save_track+0x4f/0x80 [ 664.627286][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.627310][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.627330][ C1] ? kmem_cache_alloc_lru_noprof+0x1c2/0x410 [ 664.627350][ C1] ? alloc_inode+0x7a/0x270 [ 664.627380][ C1] vprintk_default+0x2a/0x40 [ 664.627402][ C1] vprintk+0x93/0xa0 [ 664.627418][ C1] _printk+0xde/0x140 [ 664.627439][ C1] ? __cfi__printk+0x10/0x10 [ 664.627462][ C1] should_fail_ex+0x3a4/0x510 [ 664.627482][ C1] should_failslab+0xac/0x100 [ 664.627503][ C1] kmem_cache_alloc_noprof+0x42/0x410 [ 664.627521][ C1] ? security_inode_alloc+0x51/0x230 [ 664.627543][ C1] security_inode_alloc+0x51/0x230 [ 664.627564][ C1] inode_init_always_gfp+0x756/0x9e0 [ 664.627586][ C1] ? __cfi_proc_alloc_inode+0x10/0x10 [ 664.627604][ C1] alloc_inode+0xc5/0x270 [ 664.627625][ C1] new_inode+0x25/0x1e0 [ 664.627647][ C1] proc_pid_make_inode+0x25/0x140 [ 664.627668][ C1] proc_pident_instantiate+0x6d/0x2c0 [ 664.627690][ C1] proc_pident_lookup+0x1c7/0x270 [ 664.627713][ C1] proc_tgid_base_lookup+0x2f/0x40 [ 664.627734][ C1] __lookup_slow+0x2e2/0x420 [ 664.627756][ C1] ? lookup_one_len+0x300/0x300 [ 664.627777][ C1] ? down_read+0x7f/0xe0 [ 664.627801][ C1] ? __cfi_proc_pid_permission+0x10/0x10 [ 664.627824][ C1] lookup_slow+0x57/0x80 [ 664.627845][ C1] link_path_walk+0x991/0xeb0 [ 664.627865][ C1] path_openat+0x298/0x35a0 [ 664.627888][ C1] ? schedule+0xc5/0x240 [ 664.627909][ C1] ? kasan_save_alloc_info+0x3a/0x50 [ 664.627934][ C1] ? __kasan_slab_alloc+0x73/0x90 [ 664.627954][ C1] ? getname+0x1b/0x30 [ 664.627972][ C1] ? x64_sys_call+0xe69/0x2ee0 [ 664.627989][ C1] ? do_syscall_64+0x57/0xf0 [ 664.628011][ C1] ? do_filp_open+0x440/0x440 [ 664.628034][ C1] do_filp_open+0x1f2/0x440 [ 664.628057][ C1] ? __cfi_do_filp_open+0x10/0x10 [ 664.628081][ C1] ? __cfi_kfree_link+0x10/0x10 [ 664.628106][ C1] ? alloc_fd+0x4c1/0x570 [ 664.628126][ C1] do_sys_openat2+0x134/0x1d0 [ 664.628150][ C1] ? do_sys_open+0x100/0x100 [ 664.628175][ C1] __x64_sys_openat+0x13a/0x170 [ 664.628200][ C1] x64_sys_call+0xe69/0x2ee0 [ 664.628217][ C1] do_syscall_64+0x57/0xf0 [ 664.628237][ C1] ? clear_bhb_loop+0x50/0xa0 [ 664.628260][ C1] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.628282][ C1] RIP: 0033:0x7fd56d55e7ce [ 664.628296][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.628310][ C1] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.628329][ C1] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.628343][ C1] RDX: 0000000000000002 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.628356][ C1] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.628369][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.628388][ C1] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.628405][ C1] [ 664.629990][ T315] FAULT_INJECTION: forcing a failure. [ 664.629990][ T315] name failslab, interval 1, probability 10, space 0, times 89 [ 664.631394][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.631418][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.631430][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.631450][ T12] Call Trace: [ 664.631457][ T12] [ 664.631464][ T12] __dump_stack+0x21/0x30 [ 664.631488][ T12] dump_stack_lvl+0x140/0x1c0 [ 664.631512][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.631536][ T12] ? __cfi_fib6_add+0x10/0x10 [ 664.631559][ T12] ? __wake_up+0x169/0x190 [ 664.631579][ T12] dump_stack+0x19/0x20 [ 664.631601][ T12] should_fail_ex+0x3c2/0x510 [ 664.631622][ T12] should_failslab+0xac/0x100 [ 664.631644][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.631664][ T12] ? __alloc_skb+0x10c/0x360 [ 664.631687][ T12] ? ip6_ins_rt+0xe1/0x140 [ 664.631711][ T12] __alloc_skb+0x10c/0x360 [ 664.631734][ T12] mld_newpack+0x162/0xa10 [ 664.631754][ T12] ? __ipv6_ifa_notify+0xc52/0xee0 [ 664.631774][ T12] ? tg_unthrottle_up+0x9b0/0x9b0 [ 664.631798][ T12] ? mld_sendpack+0xd10/0xd10 [ 664.631818][ T12] ? snmp6_fill_stats+0x9b0/0x9b0 [ 664.631838][ T12] ? timer_delete+0x101/0x3e0 [ 664.631860][ T12] add_grec+0xf20/0x1400 [ 664.631887][ T12] ? work_grab_pending+0x301/0x830 [ 664.631910][ T12] ? mutex_lock+0x97/0x1d0 [ 664.631935][ T12] mld_send_initial_cr+0x157/0x320 [ 664.631954][ T12] ipv6_mc_dad_complete+0x8b/0x460 [ 664.631974][ T12] addrconf_dad_completed+0x74f/0xef0 [ 664.631993][ T12] ? addrconf_dad_stop+0x460/0x460 [ 664.632013][ T12] addrconf_dad_work+0xc7f/0x1550 [ 664.632033][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.632054][ T12] ? kick_pool+0xb9/0x540 [ 664.632075][ T12] process_scheduled_works+0x7f7/0x1060 [ 664.632097][ T12] worker_thread+0xc99/0x13f0 [ 664.632119][ T12] kthread+0x2c7/0x360 [ 664.632139][ T12] ? __cfi_worker_thread+0x10/0x10 [ 664.632157][ T12] ? __cfi_kthread+0x10/0x10 [ 664.632177][ T12] ret_from_fork+0x67/0xa0 [ 664.632201][ T12] ? __cfi_kthread+0x10/0x10 [ 664.632221][ T12] ret_from_fork_asm+0x1a/0x30 [ 664.632239][ T12] [ 664.632279][ T12] FAULT_INJECTION: forcing a failure. [ 664.632279][ T12] name failslab, interval 1, probability 10, space 0, times 88 [ 664.635451][ T315] CPU: 1 UID: 0 PID: 315 Comm: kworker/1:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.635476][ T315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.635487][ T315] Workqueue: mld mld_dad_work [ 664.635507][ T315] Call Trace: [ 664.635514][ T315] [ 664.635520][ T315] __dump_stack+0x21/0x30 [ 664.635544][ T315] dump_stack_lvl+0x140/0x1c0 [ 664.635568][ T315] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.635593][ T315] dump_stack+0x19/0x20 [ 664.635616][ T315] should_fail_ex+0x3c2/0x510 [ 664.635636][ T315] should_failslab+0xac/0x100 [ 664.635657][ T315] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.635677][ T315] ? __alloc_skb+0x10c/0x360 [ 664.635700][ T315] ? dequeue_task_fair+0x248/0x640 [ 664.635725][ T315] __alloc_skb+0x10c/0x360 [ 664.635749][ T315] mld_newpack+0x162/0xa10 [ 664.635769][ T315] ? mld_sendpack+0xd10/0xd10 [ 664.635788][ T315] ? __cfi___switch_to+0x10/0x10 [ 664.635814][ T315] add_grec+0xf20/0x1400 [ 664.635834][ T315] ? mutex_lock+0x97/0x1d0 [ 664.635858][ T315] mld_send_initial_cr+0x157/0x320 [ 664.635878][ T315] mld_dad_work+0x3e/0x4e0 [ 664.635897][ T315] process_scheduled_works+0x7f7/0x1060 [ 664.635918][ T315] worker_thread+0xc99/0x13f0 [ 664.635939][ T315] kthread+0x2c7/0x360 [ 664.635959][ T315] ? __cfi_worker_thread+0x10/0x10 [ 664.635978][ T315] ? __cfi_kthread+0x10/0x10 [ 664.635999][ T315] ret_from_fork+0x67/0xa0 [ 664.636023][ T315] ? __cfi_kthread+0x10/0x10 [ 664.636043][ T315] ret_from_fork_asm+0x1a/0x30 [ 664.636062][ T315] [ 664.640147][T11710] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.640178][T11710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.640191][T11710] Call Trace: [ 664.640198][T11710] [ 664.640206][T11710] __dump_stack+0x21/0x30 [ 664.640235][T11710] dump_stack_lvl+0x140/0x1c0 [ 664.640262][T11710] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.640290][T11710] dump_stack+0x19/0x20 [ 664.640316][T11710] should_fail_ex+0x3c2/0x510 [ 664.640337][T11710] should_failslab+0xac/0x100 [ 664.640360][T11710] kmem_cache_alloc_noprof+0x42/0x410 [ 664.640394][T11710] ? security_inode_alloc+0x51/0x230 [ 664.640421][T11710] security_inode_alloc+0x51/0x230 [ 664.640444][T11710] inode_init_always_gfp+0x756/0x9e0 [ 664.640469][T11710] ? __cfi_proc_alloc_inode+0x10/0x10 [ 664.640489][T11710] alloc_inode+0xc5/0x270 [ 664.640514][T11710] new_inode+0x25/0x1e0 [ 664.640537][T11710] proc_pid_make_inode+0x25/0x140 [ 664.640561][T11710] proc_pident_instantiate+0x6d/0x2c0 [ 664.640586][T11710] proc_pident_lookup+0x1c7/0x270 [ 664.640610][T11710] proc_tgid_base_lookup+0x2f/0x40 [ 664.640634][T11710] __lookup_slow+0x2e2/0x420 [ 664.640658][T11710] ? lookup_one_len+0x300/0x300 [ 664.640681][T11710] ? down_read+0x7f/0xe0 [ 664.640707][T11710] ? __cfi_proc_pid_permission+0x10/0x10 [ 664.640731][T11710] lookup_slow+0x57/0x80 [ 664.640752][T11710] link_path_walk+0x991/0xeb0 [ 664.640773][T11710] path_openat+0x298/0x35a0 [ 664.640797][T11710] ? schedule+0xc5/0x240 [ 664.640819][T11710] ? kasan_save_alloc_info+0x3a/0x50 [ 664.640846][T11710] ? __kasan_slab_alloc+0x73/0x90 [ 664.640869][T11710] ? getname+0x1b/0x30 [ 664.640889][T11710] ? x64_sys_call+0xe69/0x2ee0 [ 664.640906][T11710] ? do_syscall_64+0x57/0xf0 [ 664.640928][T11710] ? do_filp_open+0x440/0x440 [ 664.640954][T11710] do_filp_open+0x1f2/0x440 [ 664.640977][T11710] ? __cfi_do_filp_open+0x10/0x10 [ 664.641002][T11710] ? __cfi_kfree_link+0x10/0x10 [ 664.641028][T11710] ? alloc_fd+0x4c1/0x570 [ 664.641050][T11710] do_sys_openat2+0x134/0x1d0 [ 664.641078][T11710] ? do_sys_open+0x100/0x100 [ 664.641106][T11710] __x64_sys_openat+0x13a/0x170 [ 664.641134][T11710] x64_sys_call+0xe69/0x2ee0 [ 664.641153][T11710] do_syscall_64+0x57/0xf0 [ 664.641174][T11710] ? clear_bhb_loop+0x50/0xa0 [ 664.641199][T11710] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.641223][T11710] RIP: 0033:0x7fd56d55e7ce [ 664.641240][T11710] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.641256][T11710] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.641277][T11710] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.641293][T11710] RDX: 0000000000000002 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.641307][T11710] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.641320][T11710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.641332][T11710] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.641348][T11710] [ 664.641429][T11710] FAULT_INJECTION: forcing a failure. [ 664.641429][T11710] name failslab, interval 1, probability 10, space 0, times 86 [ 664.645583][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.645610][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.645623][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.645645][ T12] Call Trace: [ 664.645652][ T12] [ 664.645660][ T12] __dump_stack+0x21/0x30 [ 664.645686][ T12] dump_stack_lvl+0x140/0x1c0 [ 664.645710][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.645736][ T12] dump_stack+0x19/0x20 [ 664.645758][ T12] should_fail_ex+0x3c2/0x510 [ 664.645780][ T12] ? __cfi_ip6_dst_gc+0x10/0x10 [ 664.645802][ T12] should_failslab+0xac/0x100 [ 664.645824][ T12] kmem_cache_alloc_noprof+0x42/0x410 [ 664.645843][ T12] ? kasan_save_alloc_info+0x3a/0x50 [ 664.645868][ T12] ? dst_alloc+0x13c/0x240 [ 664.645897][ T12] ? __cfi_ip6_dst_gc+0x10/0x10 [ 664.645918][ T12] dst_alloc+0x13c/0x240 [ 664.645938][ T12] icmp6_dst_alloc+0xef/0x4f0 [ 664.645956][ T12] mld_sendpack+0x5ac/0xd10 [ 664.645978][ T12] ? add_grec+0x1400/0x1400 [ 664.645997][ T12] ? add_grec+0xfa8/0x1400 [ 664.646017][ T12] ? __asan_memcpy+0x5a/0x80 [ 664.646037][ T12] ? mutex_lock+0x97/0x1d0 [ 664.646061][ T12] mld_send_initial_cr+0x1c0/0x320 [ 664.646081][ T12] ipv6_mc_dad_complete+0x8b/0x460 [ 664.646100][ T12] addrconf_dad_completed+0x74f/0xef0 [ 664.646121][ T12] ? addrconf_dad_stop+0x460/0x460 [ 664.646141][ T12] addrconf_dad_work+0xc7f/0x1550 [ 664.646161][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.646180][ T12] ? kick_pool+0xb9/0x540 [ 664.646203][ T12] process_scheduled_works+0x7f7/0x1060 [ 664.646225][ T12] worker_thread+0xc99/0x13f0 [ 664.646246][ T12] kthread+0x2c7/0x360 [ 664.646266][ T12] ? __cfi_worker_thread+0x10/0x10 [ 664.646285][ T12] ? __cfi_kthread+0x10/0x10 [ 664.646305][ T12] ret_from_fork+0x67/0xa0 [ 664.646330][ T12] ? __cfi_kthread+0x10/0x10 [ 664.646351][ T12] ret_from_fork_asm+0x1a/0x30 [ 664.646369][ T12] [ 664.646549][ T12] FAULT_INJECTION: forcing a failure. [ 664.646549][ T12] name failslab, interval 1, probability 10, space 0, times 85 [ 664.650112][T11710] CPU: 1 UID: 0 PID: 11710 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.650141][T11710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.650176][T11710] Call Trace: [ 664.650182][T11710] [ 664.650190][T11710] __dump_stack+0x21/0x30 [ 664.650219][T11710] dump_stack_lvl+0x140/0x1c0 [ 664.650245][T11710] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.650274][T11710] dump_stack+0x19/0x20 [ 664.650299][T11710] should_fail_ex+0x3c2/0x510 [ 664.650322][T11710] should_failslab+0xac/0x100 [ 664.650346][T11710] kmem_cache_alloc_noprof+0x42/0x410 [ 664.650367][T11710] ? security_file_alloc+0x49/0x220 [ 664.650401][T11710] ? kasan_save_alloc_info+0x3a/0x50 [ 664.650428][T11710] security_file_alloc+0x49/0x220 [ 664.650455][T11710] init_file+0x9e/0x210 [ 664.650478][T11710] alloc_empty_file+0xd9/0x270 [ 664.650503][T11710] path_openat+0xf4/0x35a0 [ 664.650527][T11710] ? stack_depot_save_flags+0x38/0x800 [ 664.650550][T11710] ? stack_trace_save+0xaa/0x100 [ 664.650573][T11710] ? kasan_save_track+0x4f/0x80 [ 664.650595][T11710] ? kasan_save_track+0x3e/0x80 [ 664.650617][T11710] ? kasan_save_alloc_info+0x3a/0x50 [ 664.650646][T11710] ? __kasan_slab_alloc+0x73/0x90 [ 664.650667][T11710] ? getname+0x1b/0x30 [ 664.650686][T11710] ? do_sys_openat2+0xda/0x1d0 [ 664.650711][T11710] ? __x64_sys_openat+0x13a/0x170 [ 664.650736][T11710] ? x64_sys_call+0xe69/0x2ee0 [ 664.650753][T11710] ? do_syscall_64+0x57/0xf0 [ 664.650776][T11710] ? do_filp_open+0x440/0x440 [ 664.650802][T11710] do_filp_open+0x1f2/0x440 [ 664.650826][T11710] ? __cfi_do_filp_open+0x10/0x10 [ 664.650852][T11710] ? alloc_fd+0x4c1/0x570 [ 664.650875][T11710] do_sys_openat2+0x134/0x1d0 [ 664.650900][T11710] ? do_sys_open+0x100/0x100 [ 664.650926][T11710] __x64_sys_openat+0x13a/0x170 [ 664.650954][T11710] x64_sys_call+0xe69/0x2ee0 [ 664.650973][T11710] do_syscall_64+0x57/0xf0 [ 664.650994][T11710] ? clear_bhb_loop+0x50/0xa0 [ 664.651018][T11710] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.651042][T11710] RIP: 0033:0x7fd56d55e7ce [ 664.651059][T11710] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 664.651075][T11710] RSP: 002b:00007fd56e4b6ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 664.651097][T11710] RAX: ffffffffffffffda RBX: 00007fd56e4b76c0 RCX: 00007fd56d55e7ce [ 664.651112][T11710] RDX: 0000000000000000 RSI: 00007fd56e4b6f90 RDI: ffffffffffffff9c [ 664.651127][T11710] RBP: 00007fd56d634ec4 R08: 0000000000000000 R09: 0000000000000000 [ 664.651141][T11710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 664.651153][T11710] R13: 00007fd56d826038 R14: 00007fd56d825fa0 R15: 00007fff069bcee8 [ 664.651170][T11710] [ 664.651263][T11709] FAULT_INJECTION: forcing a failure. [ 664.651263][T11709] name failslab, interval 1, probability 10, space 0, times 84 [ 664.654669][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.654694][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.654706][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.654728][ T12] Call Trace: [ 664.654735][ T12] [ 664.654742][ T12] __dump_stack+0x21/0x30 [ 664.654767][ T12] dump_stack_lvl+0x140/0x1c0 [ 664.654791][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.654816][ T12] dump_stack+0x19/0x20 [ 664.654839][ T12] should_fail_ex+0x3c2/0x510 [ 664.654860][ T12] should_failslab+0xac/0x100 [ 664.654888][ T12] kmem_cache_alloc_noprof+0x42/0x410 [ 664.654907][ T12] ? fib6_add+0xfed/0x4c00 [ 664.654931][ T12] fib6_add+0xfed/0x4c00 [ 664.654955][ T12] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 664.654976][ T12] ? __kasan_slab_free+0x6a/0x80 [ 664.654996][ T12] ? kmem_cache_free+0x1bd/0x4f0 [ 664.655016][ T12] ? __cfi_fib6_add+0x10/0x10 [ 664.655039][ T12] ? __wake_up+0x169/0x190 [ 664.655060][ T12] ? __kasan_check_write+0x18/0x20 [ 664.655078][ T12] ? _raw_spin_lock_bh+0x96/0x130 [ 664.655098][ T12] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 664.655120][ T12] ip6_ins_rt+0xd7/0x140 [ 664.655144][ T12] ? __cfi_ip6_ins_rt+0x10/0x10 [ 664.655168][ T12] ? rtnl_notify+0x9e/0xd0 [ 664.655187][ T12] __ipv6_ifa_notify+0x51d/0xee0 [ 664.655208][ T12] ? snmp6_fill_stats+0x9b0/0x9b0 [ 664.655227][ T12] ? timer_delete+0x101/0x3e0 [ 664.655249][ T12] ? __kasan_check_write+0x18/0x20 [ 664.655267][ T12] ? work_grab_pending+0x301/0x830 [ 664.655290][ T12] ? __kasan_check_write+0x18/0x20 [ 664.655308][ T12] ? mutex_unlock+0x90/0x240 [ 664.655331][ T12] ? mod_delayed_work_on+0x140/0x140 [ 664.655353][ T12] ? fib6_flush_trees+0x148/0x1a0 [ 664.655378][ T12] ? __kasan_check_write+0x18/0x20 [ 664.655396][ T12] ? __cancel_work+0x175/0x1f0 [ 664.655419][ T12] addrconf_dad_completed+0x198/0xef0 [ 664.655439][ T12] ? addrconf_dad_stop+0x460/0x460 [ 664.655459][ T12] addrconf_dad_work+0xc7f/0x1550 [ 664.655479][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.655498][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.655517][ T12] ? kick_pool+0xb9/0x540 [ 664.655538][ T12] process_scheduled_works+0x7f7/0x1060 [ 664.655561][ T12] worker_thread+0xc99/0x13f0 [ 664.655582][ T12] kthread+0x2c7/0x360 [ 664.655602][ T12] ? __cfi_worker_thread+0x10/0x10 [ 664.655621][ T12] ? __cfi_kthread+0x10/0x10 [ 664.655641][ T12] ret_from_fork+0x67/0xa0 [ 664.655665][ T12] ? __cfi_kthread+0x10/0x10 [ 664.655685][ T12] ret_from_fork_asm+0x1a/0x30 [ 664.655704][ T12] [ 664.655822][ T12] FAULT_INJECTION: forcing a failure. [ 664.655822][ T12] name failslab, interval 1, probability 10, space 0, times 83 [ 664.661132][T11709] CPU: 1 UID: 0 PID: 11709 Comm: syz.6.4401 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.661156][T11709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.661167][T11709] Call Trace: [ 664.661173][T11709] [ 664.661180][T11709] __dump_stack+0x21/0x30 [ 664.661205][T11709] dump_stack_lvl+0x140/0x1c0 [ 664.661229][T11709] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.661254][T11709] dump_stack+0x19/0x20 [ 664.661277][T11709] should_fail_ex+0x3c2/0x510 [ 664.661298][T11709] should_failslab+0xac/0x100 [ 664.661319][T11709] kmem_cache_alloc_noprof+0x42/0x410 [ 664.661338][T11709] ? jbd2__journal_start+0x16d/0x860 [ 664.661360][T11709] jbd2__journal_start+0x16d/0x860 [ 664.661388][T11709] __ext4_journal_start_sb+0x111/0x3f0 [ 664.661414][T11709] ext4_dirty_inode+0x97/0x110 [ 664.661436][T11709] ? __cfi_ext4_dirty_inode+0x10/0x10 [ 664.661457][T11709] __mark_inode_dirty+0x251/0xc50 [ 664.661477][T11709] ? __cfi___mark_inode_dirty+0x10/0x10 [ 664.661497][T11709] ? mnt_get_write_access_file+0x1af/0x3b0 [ 664.661522][T11709] ? __kasan_check_read+0x15/0x20 [ 664.661540][T11709] file_update_time+0x1d3/0x210 [ 664.661565][T11709] ext4_page_mkwrite+0x2bf/0x1120 [ 664.661587][T11709] ? __kasan_check_write+0x18/0x20 [ 664.661606][T11709] ? folio_unlock+0x137/0x1b0 [ 664.661627][T11709] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 664.661650][T11709] do_pte_missing+0x12c1/0x4440 [ 664.661673][T11709] ? schedule+0xc5/0x240 [ 664.661694][T11709] ? futex_unqueue+0x136/0x160 [ 664.661718][T11709] ? __kasan_check_write+0x18/0x20 [ 664.661736][T11709] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 664.661757][T11709] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 664.661778][T11709] ? pte_marker_clear+0x1b0/0x1b0 [ 664.661801][T11709] ? timerqueue_del+0xd7/0x130 [ 664.661819][T11709] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 664.661841][T11709] ? hrtimer_try_to_cancel+0x49c/0x650 [ 664.661866][T11709] ? pte_offset_map_rw_nolock+0x236/0x2c0 [ 664.661895][T11709] handle_mm_fault+0x1189/0x1ba0 [ 664.661918][T11709] ? __cfi_handle_mm_fault+0x10/0x10 [ 664.661939][T11709] ? lock_vma_under_rcu+0x4cf/0x590 [ 664.661960][T11709] ? __kasan_check_write+0x18/0x20 [ 664.661980][T11709] ? __se_sys_futex+0x13c/0x320 [ 664.662004][T11709] do_user_addr_fault+0x951/0x1230 [ 664.662032][T11709] ? fpregs_restore_userregs+0x11c/0x260 [ 664.662055][T11709] exc_page_fault+0x58/0xc0 [ 664.662080][T11709] asm_exc_page_fault+0x2b/0x30 [ 664.662102][T11709] RIP: 0033:0x7fd56d472660 [ 664.662118][T11709] Code: 83 e6 07 0f 85 19 01 00 00 be 08 00 00 00 4c 89 ff 83 c5 01 e8 41 93 fe ff 49 8b 47 40 41 83 47 30 08 48 8d 48 f8 49 89 4f 40 <48> 89 58 f8 49 83 c5 01 45 3b 6c 24 04 0f 82 fd fe ff ff 41 80 7f [ 664.662134][T11709] RSP: 002b:00007fff069bcf30 EFLAGS: 00010202 [ 664.662151][T11709] RAX: 0000001b34d1e000 RBX: ffffffff82735b39 RCX: 0000001b34d1dff8 [ 664.662166][T11709] RDX: 0000001b34724220 RSI: 0000000000000008 RDI: 00007fd56e355720 [ 664.662180][T11709] RBP: 0000000000000042 R08: 00007fd56d810000 R09: 00007fd56d812000 [ 664.662192][T11709] R10: 0000000082735b3d R11: 0000000000000010 R12: 00007fd56d826038 [ 664.662205][T11709] R13: 0000000000000053 R14: ffffffff82735b39 R15: 00007fd56e355720 [ 664.662219][T11709] ? security_file_alloc+0x1f9/0x220 [ 664.662245][T11709] ? security_file_alloc+0x1f9/0x220 [ 664.662271][T11709] [ 664.693595][ T285] FAULT_INJECTION: forcing a failure. [ 664.693595][ T285] name failslab, interval 1, probability 10, space 0, times 74 [ 664.695158][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.695184][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.695197][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 664.695224][ T12] Call Trace: [ 664.695231][ T12] [ 664.695239][ T12] __dump_stack+0x21/0x30 [ 664.695266][ T12] dump_stack_lvl+0x140/0x1c0 [ 664.695290][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.695315][ T12] dump_stack+0x19/0x20 [ 664.695338][ T12] should_fail_ex+0x3c2/0x510 [ 664.695359][ T12] should_failslab+0xac/0x100 [ 664.695382][ T12] kmem_cache_alloc_noprof+0x42/0x410 [ 664.695401][ T12] ? fib6_add+0xfed/0x4c00 [ 664.695425][ T12] fib6_add+0xfed/0x4c00 [ 664.695450][ T12] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 664.695471][ T12] ? __kasan_slab_free+0x6a/0x80 [ 664.695493][ T12] ? kmem_cache_free+0x1bd/0x4f0 [ 664.695512][ T12] ? __cfi_fib6_add+0x10/0x10 [ 664.695535][ T12] ? __wake_up+0x169/0x190 [ 664.695554][ T12] ? __kasan_check_write+0x18/0x20 [ 664.695572][ T12] ? _raw_spin_lock_bh+0x96/0x130 [ 664.695591][ T12] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 664.695613][ T12] ip6_ins_rt+0xd7/0x140 [ 664.695635][ T12] ? __cfi_ip6_ins_rt+0x10/0x10 [ 664.695660][ T12] ? rtnl_notify+0x9e/0xd0 [ 664.695678][ T12] __ipv6_ifa_notify+0x51d/0xee0 [ 664.695699][ T12] ? snmp6_fill_stats+0x9b0/0x9b0 [ 664.695718][ T12] ? timer_delete+0x101/0x3e0 [ 664.695742][ T12] ? __kasan_check_write+0x18/0x20 [ 664.695759][ T12] ? work_grab_pending+0x301/0x830 [ 664.695783][ T12] ? __kasan_check_write+0x18/0x20 [ 664.695800][ T12] ? mutex_unlock+0x90/0x240 [ 664.695824][ T12] ? mod_delayed_work_on+0x140/0x140 [ 664.695846][ T12] ? fib6_flush_trees+0x148/0x1a0 [ 664.695878][ T12] ? __kasan_check_write+0x18/0x20 [ 664.695896][ T12] ? __cancel_work+0x175/0x1f0 [ 664.695919][ T12] addrconf_dad_completed+0x198/0xef0 [ 664.695939][ T12] ? addrconf_dad_stop+0x460/0x460 [ 664.695958][ T12] addrconf_dad_work+0xc7f/0x1550 [ 664.695978][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 664.695997][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 664.696017][ T12] ? kick_pool+0xb9/0x540 [ 664.696039][ T12] process_scheduled_works+0x7f7/0x1060 [ 664.696060][ T12] worker_thread+0xc99/0x13f0 [ 664.696082][ T12] kthread+0x2c7/0x360 [ 664.696102][ T12] ? __cfi_worker_thread+0x10/0x10 [ 664.696121][ T12] ? __cfi_kthread+0x10/0x10 [ 664.696141][ T12] ret_from_fork+0x67/0xa0 [ 664.696165][ T12] ? __cfi_kthread+0x10/0x10 [ 664.696185][ T12] ret_from_fork_asm+0x1a/0x30 [ 664.696204][ T12] [ 664.697466][ T12] FAULT_INJECTION: forcing a failure. [ 664.697466][ T12] name failslab, interval 1, probability 10, space 0, times 72 [ 664.700944][ T285] CPU: 1 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 664.700971][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 664.700983][ T285] Call Trace: [ 664.700989][ T285] [ 664.700996][ T285] __dump_stack+0x21/0x30 [ 664.701024][ T285] dump_stack_lvl+0x140/0x1c0 [ 664.701047][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 664.701076][ T285] ? __kasan_check_write+0x18/0x20 [ 664.701095][ T285] dump_stack+0x19/0x20 [ 664.701118][ T285] should_fail_ex+0x3c2/0x510 [ 664.701140][ T285] should_failslab+0xac/0x100 [ 664.701161][ T285] kmem_cache_alloc_node_noprof+0x45/0x420 [ 664.701180][ T285] ? __alloc_skb+0x10c/0x360 [ 664.701205][ T285] __alloc_skb+0x10c/0x360 [ 664.701228][ T285] tcp_stream_alloc_skb+0x43/0x370 [ 664.701246][ T285] ? tcp_event_new_data_sent+0x29b/0x3c0 [ 664.701268][ T285] tcp_write_xmit+0x1403/0x6d20 [ 664.701288][ T285] ? __alloc_pages_noprof+0x35a/0x7e0 [ 664.701316][ T285] __tcp_push_pending_frames+0x9d/0x300 [ 664.701334][ T285] ? tcp_push+0x401/0x670 [ 664.701351][ T285] tcp_push+0x488/0x670 [ 664.701367][ T285] tcp_sendmsg_locked+0x3fce/0x4ac0 [ 664.701399][ T285] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 664.701417][ T285] ? avc_has_perm+0x155/0x240 [ 664.701439][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 664.701457][ T285] tcp_sendmsg+0x3e/0xd0 [ 664.701474][ T285] ? __cfi_tcp_sendmsg+0x10/0x10 [ 664.701491][ T285] inet_sendmsg+0xb7/0x120 [ 664.701513][ T285] ? __cfi_inet_sendmsg+0x10/0x10 [ 664.701533][ T285] sock_write_iter+0x3bf/0x490 [ 664.701554][ T285] ? __cfi_sock_write_iter+0x10/0x10 [ 664.701577][ T285] vfs_write+0x762/0xfd0 [ 664.701598][ T285] ? __cfi_vfs_write+0x10/0x10 [ 664.701618][ T285] ? __kasan_check_read+0x15/0x20 [ 664.701636][ T285] ksys_write+0x145/0x260 [ 664.701655][ T285] ? __cfi_ksys_write+0x10/0x10 [ 664.701674][ T285] ? __kasan_check_read+0x15/0x20 [ 664.701692][ T285] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 664.701716][ T285] __x64_sys_write+0x7f/0x90 [ 664.701736][ T285] x64_sys_call+0x271c/0x2ee0 [ 664.701753][ T285] do_syscall_64+0x57/0xf0 [ 664.701773][ T285] ? clear_bhb_loop+0x50/0xa0 [ 664.701797][ T285] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 664.701819][ T285] RIP: 0033:0x7f9298559117 [ 664.701837][ T285] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 664.701853][ T285] RSP: 002b:00007ffd4918e240 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 664.701873][ T285] RAX: ffffffffffffffda RBX: 0000555579ac1500 RCX: 00007f9298559117 [ 664.701887][ T285] RDX: 00000000000093c8 RSI: 00007f92945f6c38 RDI: 0000000000000003 [ 664.701899][ T285] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 664.701911][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000093c8 [ 664.701924][ T285] R13: 0000555579ad8cf0 R14: 00007ffd4918e7e0 R15: 00007f92945f6c38 [ 664.701940][ T285] [ 665.257054][ C1] FAULT_INJECTION: forcing a failure. [ 665.257054][ C1] name failslab, interval 1, probability 10, space 0, times 70 [ 665.259848][ C0] FAULT_INJECTION: forcing a failure. [ 665.259848][ C0] name failslab, interval 1, probability 10, space 0, times 69 [ 665.264457][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.264491][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.264503][ C1] Call Trace: [ 665.264510][ C1] [ 665.264518][ C1] __dump_stack+0x21/0x30 [ 665.264551][ C1] dump_stack_lvl+0x140/0x1c0 [ 665.264575][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.264597][ C1] ? ref_tracker_alloc+0x356/0x5b0 [ 665.264623][ C1] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 665.264644][ C1] ? dst_alloc+0x163/0x240 [ 665.264666][ C1] dump_stack+0x19/0x20 [ 665.264687][ C1] should_fail_ex+0x3c2/0x510 [ 665.264708][ C1] should_failslab+0xac/0x100 [ 665.264755][ C1] __kmalloc_cache_noprof+0x41/0x470 [ 665.264777][ C1] ? dst_cow_metrics_generic+0x65/0x2a0 [ 665.264796][ C1] ? dst_init+0x329/0x430 [ 665.264815][ C1] dst_cow_metrics_generic+0x65/0x2a0 [ 665.264836][ C1] icmp6_dst_alloc+0x313/0x4f0 [ 665.264856][ C1] ndisc_send_skb+0x2a6/0xca0 [ 665.264874][ C1] ? should_fail_ex+0x201/0x510 [ 665.264895][ C1] ? __cfi_ndisc_send_skb+0x10/0x10 [ 665.264913][ C1] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 665.264932][ C1] ? kmalloc_reserve+0xcf/0x4f0 [ 665.264960][ C1] ? __asan_memset+0x39/0x50 [ 665.264978][ C1] ? __ndisc_fill_addr_option+0xdb/0x140 [ 665.264997][ C1] ndisc_send_rs+0x675/0x880 [ 665.265017][ C1] addrconf_rs_timer+0x362/0x620 [ 665.265038][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.265061][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.265082][ C1] call_timer_fn+0x4c/0x300 [ 665.265108][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.265129][ C1] __run_timer_base+0x6c0/0x9b0 [ 665.265152][ C1] ? timer_expire_remote+0xa0/0xa0 [ 665.265185][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 665.265214][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 665.265240][ C1] run_timer_softirq+0x35/0x70 [ 665.265262][ C1] handle_softirqs+0x1aa/0x620 [ 665.265282][ C1] __irq_exit_rcu+0x47/0xb0 [ 665.265300][ C1] irq_exit_rcu+0xd/0x30 [ 665.265317][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 665.265342][ C1] [ 665.265349][ C1] [ 665.265357][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 665.265382][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 665.265409][ C1] Code: cc cc cc cc cc cc cc b8 22 f9 89 8b 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 a9 43 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 665.265425][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 665.265444][ C1] RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff85a3b4fd [ 665.265459][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000002373e44 [ 665.265479][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f395eb R09: 1ffff1103ede72bd [ 665.265494][ C1] R10: dffffc0000000000 R11: ffffed103ede72be R12: 0000000000000000 [ 665.265507][ C1] R13: 1ffff110206cd980 R14: dffffc0000000000 R15: ffffffff87ecb868 [ 665.265524][ C1] ? ct_kernel_exit+0x7d/0xb0 [ 665.265542][ C1] default_idle+0x17/0x30 [ 665.265560][ C1] arch_cpu_idle+0xd/0x20 [ 665.265578][ C1] default_idle_call+0x3e/0x80 [ 665.265596][ C1] do_idle+0x1df/0x570 [ 665.265616][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 665.265637][ C1] cpu_startup_entry+0x47/0x60 [ 665.265657][ C1] start_secondary+0x12e/0x140 [ 665.265683][ C1] common_startup_64+0x13b/0x157 [ 665.265709][ C1] [ 665.265815][ C1] FAULT_INJECTION: forcing a failure. [ 665.265815][ C1] name failslab, interval 1, probability 10, space 0, times 68 [ 665.269932][ C0] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.269956][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.269975][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 665.269996][ C0] Call Trace: [ 665.270002][ C0] [ 665.270009][ C0] __dump_stack+0x21/0x30 [ 665.270033][ C0] dump_stack_lvl+0x140/0x1c0 [ 665.270055][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.270078][ C0] ? ref_tracker_alloc+0x3f0/0x5b0 [ 665.270099][ C0] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 665.270121][ C0] dump_stack+0x19/0x20 [ 665.270143][ C0] should_fail_ex+0x3c2/0x510 [ 665.270163][ C0] should_failslab+0xac/0x100 [ 665.270184][ C0] __kmalloc_cache_noprof+0x41/0x470 [ 665.270203][ C0] ? dst_cow_metrics_generic+0x65/0x2a0 [ 665.270222][ C0] ? dst_init+0x329/0x430 [ 665.270241][ C0] dst_cow_metrics_generic+0x65/0x2a0 [ 665.270261][ C0] icmp6_dst_alloc+0x313/0x4f0 [ 665.270278][ C0] ndisc_send_skb+0x2a6/0xca0 [ 665.270296][ C0] ? should_fail_ex+0x201/0x510 [ 665.270317][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 665.270335][ C0] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 665.270354][ C0] ? kmalloc_reserve+0xcf/0x4f0 [ 665.270379][ C0] ? skb_put+0x10e/0x200 [ 665.270402][ C0] ndisc_send_rs+0x675/0x880 [ 665.270421][ C0] addrconf_rs_timer+0x362/0x620 [ 665.270442][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.270464][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 665.270485][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 665.270505][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.270526][ C0] call_timer_fn+0x4c/0x300 [ 665.270549][ C0] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.270569][ C0] __run_timer_base+0x6c0/0x9b0 [ 665.270593][ C0] ? timer_expire_remote+0xa0/0xa0 [ 665.270614][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 665.270639][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 665.270663][ C0] run_timer_softirq+0x35/0x70 [ 665.270684][ C0] handle_softirqs+0x1aa/0x620 [ 665.270704][ C0] __irq_exit_rcu+0x47/0xb0 [ 665.270722][ C0] irq_exit_rcu+0xd/0x30 [ 665.270739][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 665.270763][ C0] [ 665.270770][ C0] [ 665.270777][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 665.270799][ C0] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 665.270825][ C0] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 665.270841][ C0] RSP: 0018:ffffc900000c7260 EFLAGS: 00000293 [ 665.270857][ C0] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: ffff888102653900 [ 665.270871][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 665.270884][ C0] RBP: ffffc900000c7390 R08: 0000000000000003 R09: 0000000000000004 [ 665.270897][ C0] R10: dffffc0000000000 R11: fffff52000018e3c R12: dffffc0000000000 [ 665.270910][ C0] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 665.270925][ C0] ? console_flush_all+0x6f8/0xab0 [ 665.270949][ C0] ? console_flush_all+0x771/0xab0 [ 665.270981][ C0] ? __console_rewind_all+0x170/0x170 [ 665.271005][ C0] ? __kasan_check_read+0x15/0x20 [ 665.271022][ C0] ? is_printk_cpu_sync_owner+0x39/0x50 [ 665.271047][ C0] ? is_printk_legacy_deferred+0x5c/0x70 [ 665.271066][ C0] console_unlock+0xf8/0x2c0 [ 665.271087][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 665.271107][ C0] ? __cfi_console_unlock+0x10/0x10 [ 665.271129][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 665.271153][ C0] ? vprintk_emit+0x53f/0x650 [ 665.271175][ C0] vprintk_emit+0x282/0x650 [ 665.271197][ C0] ? __cfi_vprintk_emit+0x10/0x10 [ 665.271219][ C0] ? __kasan_check_write+0x18/0x20 [ 665.271237][ C0] ? fib6_add+0x36f1/0x4c00 [ 665.271261][ C0] vprintk_default+0x2a/0x40 [ 665.271283][ C0] vprintk+0x93/0xa0 [ 665.271299][ C0] _printk+0xde/0x140 [ 665.271321][ C0] ? __cfi__printk+0x10/0x10 [ 665.271343][ C0] ? __cfi_fib6_add+0x10/0x10 [ 665.271365][ C0] ? __wake_up+0x169/0x190 [ 665.271385][ C0] should_fail_ex+0x3a4/0x510 [ 665.271405][ C0] should_failslab+0xac/0x100 [ 665.271426][ C0] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.271445][ C0] ? __alloc_skb+0x10c/0x360 [ 665.271467][ C0] ? ip6_ins_rt+0xe1/0x140 [ 665.271490][ C0] __alloc_skb+0x10c/0x360 [ 665.271513][ C0] mld_newpack+0x162/0xa10 [ 665.271533][ C0] ? __ipv6_ifa_notify+0xc52/0xee0 [ 665.271553][ C0] ? mld_sendpack+0xd10/0xd10 [ 665.271573][ C0] ? snmp6_fill_stats+0x9b0/0x9b0 [ 665.271593][ C0] ? timer_delete+0x101/0x3e0 [ 665.271614][ C0] add_grec+0xf20/0x1400 [ 665.271632][ C0] ? work_grab_pending+0x301/0x830 [ 665.271657][ C0] ? mutex_lock+0x97/0x1d0 [ 665.271680][ C0] mld_send_initial_cr+0x157/0x320 [ 665.271699][ C0] ipv6_mc_dad_complete+0x8b/0x460 [ 665.271718][ C0] addrconf_dad_completed+0x74f/0xef0 [ 665.271738][ C0] ? addrconf_dad_stop+0x460/0x460 [ 665.271758][ C0] addrconf_dad_work+0xc7f/0x1550 [ 665.271778][ C0] ? __cfi_addrconf_dad_work+0x10/0x10 [ 665.271797][ C0] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.271817][ C0] ? kick_pool+0xb9/0x540 [ 665.271838][ C0] process_scheduled_works+0x7f7/0x1060 [ 665.271860][ C0] worker_thread+0xc99/0x13f0 [ 665.271882][ C0] kthread+0x2c7/0x360 [ 665.271901][ C0] ? __cfi_worker_thread+0x10/0x10 [ 665.271920][ C0] ? __cfi_kthread+0x10/0x10 [ 665.271939][ C0] ret_from_fork+0x67/0xa0 [ 665.271971][ C0] ? __cfi_kthread+0x10/0x10 [ 665.271991][ C0] ret_from_fork_asm+0x1a/0x30 [ 665.272010][ C0] [ 665.272352][ T2233] FAULT_INJECTION: forcing a failure. [ 665.272352][ T2233] name failslab, interval 1, probability 10, space 0, times 67 [ 665.275273][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.275298][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.275309][ C1] Call Trace: [ 665.275316][ C1] [ 665.275324][ C1] __dump_stack+0x21/0x30 [ 665.275349][ C1] dump_stack_lvl+0x140/0x1c0 [ 665.275372][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.275396][ C1] ? calc_wheel_index+0x1b9/0x8f0 [ 665.275418][ C1] ? __kasan_check_write+0x18/0x20 [ 665.275436][ C1] dump_stack+0x19/0x20 [ 665.275459][ C1] should_fail_ex+0x3c2/0x510 [ 665.275486][ C1] should_failslab+0xac/0x100 [ 665.275508][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.275526][ C1] ? enqueue_timer+0x1c5/0x4b0 [ 665.275549][ C1] ? __alloc_skb+0x10c/0x360 [ 665.275572][ C1] __alloc_skb+0x10c/0x360 [ 665.275596][ C1] ndisc_send_rs+0x322/0x880 [ 665.275614][ C1] ? ipv6_get_lladdr+0x1c2/0x200 [ 665.275640][ C1] addrconf_rs_timer+0x362/0x620 [ 665.275661][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.275682][ C1] ? _raw_spin_lock_irq+0x93/0x120 [ 665.275702][ C1] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 665.275723][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.275744][ C1] call_timer_fn+0x4c/0x300 [ 665.275766][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10 [ 665.275786][ C1] __run_timer_base+0x6c0/0x9b0 [ 665.275810][ C1] ? timer_expire_remote+0xa0/0xa0 [ 665.275831][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 665.275856][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 665.275880][ C1] run_timer_softirq+0x35/0x70 [ 665.275902][ C1] handle_softirqs+0x1aa/0x620 [ 665.275922][ C1] __irq_exit_rcu+0x47/0xb0 [ 665.275939][ C1] irq_exit_rcu+0xd/0x30 [ 665.275956][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 665.275980][ C1] [ 665.275987][ C1] [ 665.275994][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 665.276017][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 665.276043][ C1] Code: cc cc cc cc cc cc cc b8 22 f9 89 8b 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 a9 43 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 665.276059][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 665.276075][ C1] RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff85a3b4fd [ 665.276090][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000002373e44 [ 665.276103][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f395eb R09: 1ffff1103ede72bd [ 665.276117][ C1] R10: dffffc0000000000 R11: ffffed103ede72be R12: 0000000000000000 [ 665.276132][ C1] R13: 1ffff110206cd980 R14: dffffc0000000000 R15: ffffffff87ecb868 [ 665.276148][ C1] ? ct_kernel_exit+0x7d/0xb0 [ 665.276166][ C1] default_idle+0x17/0x30 [ 665.276183][ C1] arch_cpu_idle+0xd/0x20 [ 665.276200][ C1] default_idle_call+0x3e/0x80 [ 665.276218][ C1] do_idle+0x1df/0x570 [ 665.276238][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 665.276260][ C1] cpu_startup_entry+0x47/0x60 [ 665.276279][ C1] start_secondary+0x12e/0x140 [ 665.276302][ C1] common_startup_64+0x13b/0x157 [ 665.276328][ C1] [ 665.276555][ T31] FAULT_INJECTION: forcing a failure. [ 665.276555][ T31] name failslab, interval 1, probability 10, space 0, times 66 [ 665.279683][ T2233] CPU: 0 UID: 0 PID: 2233 Comm: kworker/0:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.279709][ T2233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.279721][ T2233] Workqueue: mld mld_dad_work [ 665.279742][ T2233] Call Trace: [ 665.279749][ T2233] [ 665.279756][ T2233] __dump_stack+0x21/0x30 [ 665.279782][ T2233] dump_stack_lvl+0x140/0x1c0 [ 665.279806][ T2233] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.279829][ T2233] ? ref_tracker_alloc+0x356/0x5b0 [ 665.279853][ T2233] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 665.279875][ T2233] ? dst_alloc+0x163/0x240 [ 665.279894][ T2233] dump_stack+0x19/0x20 [ 665.279917][ T2233] should_fail_ex+0x3c2/0x510 [ 665.279937][ T2233] should_failslab+0xac/0x100 [ 665.279959][ T2233] __kmalloc_cache_noprof+0x41/0x470 [ 665.279986][ T2233] ? dst_cow_metrics_generic+0x65/0x2a0 [ 665.280006][ T2233] ? dst_init+0x329/0x430 [ 665.280025][ T2233] dst_cow_metrics_generic+0x65/0x2a0 [ 665.280046][ T2233] icmp6_dst_alloc+0x313/0x4f0 [ 665.280063][ T2233] mld_sendpack+0x5ac/0xd10 [ 665.280084][ T2233] ? add_grec+0x1400/0x1400 [ 665.280103][ T2233] ? add_grec+0xfa8/0x1400 [ 665.280122][ T2233] ? __asan_memcpy+0x5a/0x80 [ 665.280142][ T2233] ? mutex_lock+0x97/0x1d0 [ 665.280166][ T2233] mld_send_initial_cr+0x1c0/0x320 [ 665.280185][ T2233] mld_dad_work+0x3e/0x4e0 [ 665.280204][ T2233] process_scheduled_works+0x7f7/0x1060 [ 665.280226][ T2233] worker_thread+0xc99/0x13f0 [ 665.280246][ T2233] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 665.280267][ T2233] ? __kasan_check_read+0x15/0x20 [ 665.280285][ T2233] kthread+0x2c7/0x360 [ 665.280304][ T2233] ? __cfi_worker_thread+0x10/0x10 [ 665.280323][ T2233] ? __cfi_kthread+0x10/0x10 [ 665.280343][ T2233] ret_from_fork+0x67/0xa0 [ 665.280367][ T2233] ? __cfi_kthread+0x10/0x10 [ 665.280387][ T2233] ret_from_fork_asm+0x1a/0x30 [ 665.280405][ T2233] [ 665.280800][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.280826][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.280838][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 665.280859][ T12] Call Trace: [ 665.280865][ T12] [ 665.280873][ T12] __dump_stack+0x21/0x30 [ 665.280896][ T12] dump_stack_lvl+0x140/0x1c0 [ 665.280919][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.280943][ T12] ? __cfi_fib6_add+0x10/0x10 [ 665.280994][ T12] ? __wake_up+0x169/0x190 [ 665.281013][ T12] dump_stack+0x19/0x20 [ 665.281036][ T12] should_fail_ex+0x3c2/0x510 [ 665.281056][ T12] should_failslab+0xac/0x100 [ 665.281078][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.281098][ T12] ? __alloc_skb+0x10c/0x360 [ 665.281120][ T12] ? ip6_ins_rt+0xe1/0x140 [ 665.281143][ T12] __alloc_skb+0x10c/0x360 [ 665.281167][ T12] mld_newpack+0x162/0xa10 [ 665.281186][ T12] ? __ipv6_ifa_notify+0xc52/0xee0 [ 665.281206][ T12] ? mld_sendpack+0xd10/0xd10 [ 665.281226][ T12] ? snmp6_fill_stats+0x9b0/0x9b0 [ 665.281246][ T12] ? timer_delete+0x101/0x3e0 [ 665.281267][ T12] add_grec+0xf20/0x1400 [ 665.281285][ T12] ? work_grab_pending+0x301/0x830 [ 665.281309][ T12] ? mutex_lock+0x97/0x1d0 [ 665.281332][ T12] mld_send_initial_cr+0x157/0x320 [ 665.281352][ T12] ipv6_mc_dad_complete+0x8b/0x460 [ 665.281371][ T12] addrconf_dad_completed+0x74f/0xef0 [ 665.281391][ T12] ? addrconf_dad_stop+0x460/0x460 [ 665.281411][ T12] addrconf_dad_work+0xc7f/0x1550 [ 665.281430][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 665.281449][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.281469][ T12] ? kick_pool+0xb9/0x540 [ 665.281490][ T12] process_scheduled_works+0x7f7/0x1060 [ 665.281512][ T12] worker_thread+0xc99/0x13f0 [ 665.281533][ T12] kthread+0x2c7/0x360 [ 665.281552][ T12] ? __cfi_worker_thread+0x10/0x10 [ 665.281571][ T12] ? __cfi_kthread+0x10/0x10 [ 665.281591][ T12] ret_from_fork+0x67/0xa0 [ 665.281615][ T12] ? __cfi_kthread+0x10/0x10 [ 665.281635][ T12] ret_from_fork_asm+0x1a/0x30 [ 665.281654][ T12] [ 665.282022][ T12] FAULT_INJECTION: forcing a failure. [ 665.282022][ T12] name failslab, interval 1, probability 10, space 0, times 63 [ 665.290836][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.290863][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.290881][ T31] Workqueue: mld mld_dad_work [ 665.290905][ T31] Call Trace: [ 665.290912][ T31] [ 665.290919][ T31] __dump_stack+0x21/0x30 [ 665.290945][ T31] dump_stack_lvl+0x140/0x1c0 [ 665.290969][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.290993][ T31] ? __cfi_ip6_output+0x10/0x10 [ 665.291014][ T31] dump_stack+0x19/0x20 [ 665.291037][ T31] should_fail_ex+0x3c2/0x510 [ 665.291057][ T31] should_failslab+0xac/0x100 [ 665.291079][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.291100][ T31] ? __alloc_skb+0x10c/0x360 [ 665.291124][ T31] __alloc_skb+0x10c/0x360 [ 665.291147][ T31] mld_newpack+0x162/0xa10 [ 665.291167][ T31] ? send6+0x4e7/0x6c0 [ 665.291190][ T31] ? mld_sendpack+0xd10/0xd10 [ 665.291211][ T31] ? send4+0xa00/0xa00 [ 665.291232][ T31] add_grec+0xf20/0x1400 [ 665.291252][ T31] ? mutex_lock+0x97/0x1d0 [ 665.291275][ T31] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.291294][ T31] mld_send_initial_cr+0x157/0x320 [ 665.291313][ T31] mld_dad_work+0x3e/0x4e0 [ 665.291332][ T31] process_scheduled_works+0x7f7/0x1060 [ 665.291354][ T31] worker_thread+0xc99/0x13f0 [ 665.291375][ T31] kthread+0x2c7/0x360 [ 665.291395][ T31] ? __cfi_worker_thread+0x10/0x10 [ 665.291414][ T31] ? __cfi_kthread+0x10/0x10 [ 665.291434][ T31] ret_from_fork+0x67/0xa0 [ 665.291459][ T31] ? __cfi_kthread+0x10/0x10 [ 665.291487][ T31] ret_from_fork_asm+0x1a/0x30 [ 665.291506][ T31] [ 665.291686][ T4359] FAULT_INJECTION: forcing a failure. [ 665.291686][ T4359] name failslab, interval 1, probability 10, space 0, times 61 [ 665.321163][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.321194][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.321207][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 665.321233][ T12] Call Trace: [ 665.321240][ T12] [ 665.321248][ T12] __dump_stack+0x21/0x30 [ 665.321275][ T12] dump_stack_lvl+0x140/0x1c0 [ 665.321298][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.321324][ T12] ? kasan_save_track+0x4f/0x80 [ 665.321346][ T12] dump_stack+0x19/0x20 [ 665.321369][ T12] should_fail_ex+0x3c2/0x510 [ 665.321391][ T12] ? __cfi_ip6_dst_gc+0x10/0x10 [ 665.321412][ T12] should_failslab+0xac/0x100 [ 665.321435][ T12] kmem_cache_alloc_noprof+0x42/0x410 [ 665.321453][ T12] ? dst_alloc+0x13c/0x240 [ 665.321474][ T12] ? __cfi_ip6_dst_gc+0x10/0x10 [ 665.321494][ T12] dst_alloc+0x13c/0x240 [ 665.321514][ T12] icmp6_dst_alloc+0xef/0x4f0 [ 665.321531][ T12] ndisc_send_skb+0x2a6/0xca0 [ 665.321549][ T12] ? should_fail_ex+0x201/0x510 [ 665.321569][ T12] ? __cfi_ndisc_send_skb+0x10/0x10 [ 665.321587][ T12] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 665.321606][ T12] ? kmalloc_reserve+0xcf/0x4f0 [ 665.321632][ T12] ? __asan_memcpy+0x5a/0x80 [ 665.321650][ T12] ? __ndisc_fill_addr_option+0xe2/0x140 [ 665.321669][ T12] ndisc_send_rs+0x675/0x880 [ 665.321688][ T12] addrconf_dad_completed+0x973/0xef0 [ 665.321709][ T12] ? addrconf_dad_stop+0x460/0x460 [ 665.321729][ T12] addrconf_dad_work+0xc7f/0x1550 [ 665.321748][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 665.321767][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.321786][ T12] ? kick_pool+0xb9/0x540 [ 665.321808][ T12] process_scheduled_works+0x7f7/0x1060 [ 665.321829][ T12] worker_thread+0xc99/0x13f0 [ 665.321850][ T12] kthread+0x2c7/0x360 [ 665.321870][ T12] ? __cfi_worker_thread+0x10/0x10 [ 665.321888][ T12] ? __cfi_kthread+0x10/0x10 [ 665.321908][ T12] ret_from_fork+0x67/0xa0 [ 665.321933][ T12] ? __cfi_kthread+0x10/0x10 [ 665.321954][ T12] ret_from_fork_asm+0x1a/0x30 [ 665.321980][ T12] [ 665.322067][ T12] FAULT_INJECTION: forcing a failure. [ 665.322067][ T12] name failslab, interval 1, probability 10, space 0, times 53 [ 665.324285][T11658] FAULT_INJECTION: forcing a failure. [ 665.324285][T11658] name failslab, interval 1, probability 10, space 0, times 53 [ 665.331848][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.331877][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.331890][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 665.331914][ T12] Call Trace: [ 665.331921][ T12] [ 665.331929][ T12] __dump_stack+0x21/0x30 [ 665.331954][ T12] dump_stack_lvl+0x140/0x1c0 [ 665.331986][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.332009][ T12] ? _raw_spin_lock+0x92/0x120 [ 665.332030][ T12] ? __kasan_check_write+0x18/0x20 [ 665.332049][ T12] dump_stack+0x19/0x20 [ 665.332072][ T12] should_fail_ex+0x3c2/0x510 [ 665.332093][ T12] should_failslab+0xac/0x100 [ 665.332114][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.332134][ T12] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 665.332155][ T12] ? __alloc_skb+0x10c/0x360 [ 665.332178][ T12] ? __cfi_fib6_clean_node+0x10/0x10 [ 665.332203][ T12] __alloc_skb+0x10c/0x360 [ 665.332227][ T12] ndisc_ns_create+0x2c0/0x8d0 [ 665.332246][ T12] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 665.332267][ T12] ? __mod_timer+0x881/0xd20 [ 665.332288][ T12] ? __cfi_ndisc_ns_create+0x10/0x10 [ 665.332308][ T12] ndisc_send_ns+0xbb/0x160 [ 665.332326][ T12] ? __cfi_ndisc_send_ns+0x10/0x10 [ 665.332345][ T12] addrconf_dad_work+0xa0e/0x1550 [ 665.332365][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 665.332384][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.332403][ T12] ? kick_pool+0xb9/0x540 [ 665.332424][ T12] process_scheduled_works+0x7f7/0x1060 [ 665.332446][ T12] worker_thread+0xc99/0x13f0 [ 665.332468][ T12] kthread+0x2c7/0x360 [ 665.332488][ T12] ? __cfi_worker_thread+0x10/0x10 [ 665.332507][ T12] ? __cfi_kthread+0x10/0x10 [ 665.332527][ T12] ret_from_fork+0x67/0xa0 [ 665.332552][ T12] ? __cfi_kthread+0x10/0x10 [ 665.332571][ T12] ret_from_fork_asm+0x1a/0x30 [ 665.332590][ T12] [ 665.332647][ T12] FAULT_INJECTION: forcing a failure. [ 665.332647][ T12] name failslab, interval 1, probability 10, space 0, times 49 [ 665.343102][T11658] CPU: 1 UID: 0 PID: 11658 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.343131][T11658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.343143][T11658] Call Trace: [ 665.343149][T11658] [ 665.343157][T11658] __dump_stack+0x21/0x30 [ 665.343183][T11658] dump_stack_lvl+0x140/0x1c0 [ 665.343207][T11658] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.343232][T11658] dump_stack+0x19/0x20 [ 665.343255][T11658] should_fail_ex+0x3c2/0x510 [ 665.343276][T11658] should_failslab+0xac/0x100 [ 665.343298][T11658] kmem_cache_alloc_noprof+0x42/0x410 [ 665.343318][T11658] ? getname_flags+0xcc/0x6b0 [ 665.343338][T11658] getname_flags+0xcc/0x6b0 [ 665.343358][T11658] vfs_fstatat+0xcb/0x1d0 [ 665.343379][T11658] __se_sys_newfstatat+0x127/0x3c0 [ 665.343402][T11658] ? __x64_sys_newfstatat+0xc0/0xc0 [ 665.343424][T11658] ? mntput_no_expire+0x104/0x6c0 [ 665.343450][T11658] ? selinux_capable+0x38/0x50 [ 665.343482][T11658] ? mntput+0xd0/0xd0 [ 665.343506][T11658] ? dput+0xd5/0x520 [ 665.343529][T11658] ? path_umount+0x34a/0xf60 [ 665.343549][T11658] ? __x64_sys_umount+0x12e/0x180 [ 665.343566][T11658] __x64_sys_newfstatat+0x9f/0xc0 [ 665.343589][T11658] x64_sys_call+0x1821/0x2ee0 [ 665.343606][T11658] do_syscall_64+0x57/0xf0 [ 665.343626][T11658] ? clear_bhb_loop+0x50/0xa0 [ 665.343650][T11658] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 665.343672][T11658] RIP: 0033:0x7fd56d59c5da [ 665.343688][T11658] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 [ 665.343704][T11658] RSP: 002b:00007fff069bc158 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 665.343725][T11658] RAX: ffffffffffffffda RBX: 00007fd56d634314 RCX: 00007fd56d59c5da [ 665.343739][T11658] RDX: 00007fff069bc180 RSI: 00007fff069bc210 RDI: 00000000ffffff9c [ 665.343753][T11658] RBP: 00007fff069bc210 R08: 00007fff069bd210 R09: 00000000ffffffff [ 665.343767][T11658] R10: 0000000000000100 R11: 0000000000000286 R12: 00007fff069bd2a0 [ 665.343780][T11658] R13: 00007fd56d634314 R14: 00000000000986a1 R15: 00007fff069bd2e0 [ 665.343796][T11658] [ 665.396003][ T4359] CPU: 1 UID: 0 PID: 4359 Comm: kworker/1:5 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.396037][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.396051][ T4359] Workqueue: mld mld_dad_work [ 665.396079][ T4359] Call Trace: [ 665.396086][ T4359] [ 665.396095][ T4359] __dump_stack+0x21/0x30 [ 665.396122][ T4359] dump_stack_lvl+0x140/0x1c0 [ 665.396146][ T4359] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.396171][ T4359] ? __cfi_ip6_output+0x10/0x10 [ 665.396193][ T4359] dump_stack+0x19/0x20 [ 665.396216][ T4359] should_fail_ex+0x3c2/0x510 [ 665.396238][ T4359] should_failslab+0xac/0x100 [ 665.396261][ T4359] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.396281][ T4359] ? __alloc_skb+0x10c/0x360 [ 665.396305][ T4359] ? dequeue_task_fair+0x248/0x640 [ 665.396332][ T4359] __alloc_skb+0x10c/0x360 [ 665.396355][ T4359] mld_newpack+0x162/0xa10 [ 665.396374][ T4359] ? ilookup+0x11f/0x3c0 [ 665.396397][ T4359] ? mld_sendpack+0xd10/0xd10 [ 665.396424][ T4359] ? __kasan_check_write+0x18/0x20 [ 665.396443][ T4359] ? _raw_spin_lock_irq+0x93/0x120 [ 665.396464][ T4359] add_grec+0xf20/0x1400 [ 665.396483][ T4359] ? kernfs_put+0x314/0x360 [ 665.396507][ T4359] ? __kasan_check_write+0x18/0x20 [ 665.396526][ T4359] ? mutex_lock+0x97/0x1d0 [ 665.396550][ T4359] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.396570][ T4359] mld_send_initial_cr+0x157/0x320 [ 665.396589][ T4359] mld_dad_work+0x3e/0x4e0 [ 665.396608][ T4359] process_scheduled_works+0x7f7/0x1060 [ 665.396630][ T4359] worker_thread+0xc99/0x13f0 [ 665.396650][ T4359] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 665.396671][ T4359] ? __kasan_check_read+0x15/0x20 [ 665.396690][ T4359] kthread+0x2c7/0x360 [ 665.396710][ T4359] ? __cfi_worker_thread+0x10/0x10 [ 665.396728][ T4359] ? __cfi_kthread+0x10/0x10 [ 665.396748][ T4359] ret_from_fork+0x67/0xa0 [ 665.396773][ T4359] ? __cfi_kthread+0x10/0x10 [ 665.396794][ T4359] ret_from_fork_asm+0x1a/0x30 [ 665.396812][ T4359] [ 665.396976][ T4359] FAULT_INJECTION: forcing a failure. [ 665.396976][ T4359] name failslab, interval 1, probability 10, space 0, times 45 [ 665.398749][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.398774][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.398786][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 665.398807][ T12] Call Trace: [ 665.398813][ T12] [ 665.398821][ T12] __dump_stack+0x21/0x30 [ 665.398845][ T12] dump_stack_lvl+0x140/0x1c0 [ 665.398869][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.398893][ T12] ? kasan_save_track+0x4f/0x80 [ 665.398921][ T12] ? kasan_save_alloc_info+0x3a/0x50 [ 665.398946][ T12] ? __kasan_slab_alloc+0x73/0x90 [ 665.398967][ T12] ? kmem_cache_alloc_noprof+0x1bf/0x410 [ 665.398986][ T12] ? ip6_ins_rt+0xd7/0x140 [ 665.399009][ T12] ? __ipv6_ifa_notify+0x51d/0xee0 [ 665.399029][ T12] dump_stack+0x19/0x20 [ 665.399051][ T12] should_fail_ex+0x3c2/0x510 [ 665.399072][ T12] should_failslab+0xac/0x100 [ 665.399093][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.399112][ T12] ? __alloc_skb+0x10c/0x360 [ 665.399135][ T12] __alloc_skb+0x10c/0x360 [ 665.399159][ T12] inet6_rt_notify+0x351/0x520 [ 665.399179][ T12] ? __cfi_inet6_rt_notify+0x10/0x10 [ 665.399198][ T12] ? call_fib_notifiers+0xa4/0xc0 [ 665.399218][ T12] fib6_add+0x25c5/0x4c00 [ 665.399243][ T12] ? __kasan_slab_free+0x6a/0x80 [ 665.399264][ T12] ? kmem_cache_free+0x1bd/0x4f0 [ 665.399283][ T12] ? __cfi_fib6_add+0x10/0x10 [ 665.399306][ T12] ? __wake_up+0x169/0x190 [ 665.399326][ T12] ? _raw_spin_lock_bh+0x96/0x130 [ 665.399346][ T12] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 665.399368][ T12] ip6_ins_rt+0xd7/0x140 [ 665.399391][ T12] ? __cfi_ip6_ins_rt+0x10/0x10 [ 665.399415][ T12] ? rtnl_notify+0x9e/0xd0 [ 665.399433][ T12] __ipv6_ifa_notify+0x51d/0xee0 [ 665.399455][ T12] ? snmp6_fill_stats+0x9b0/0x9b0 [ 665.399474][ T12] ? timer_delete+0x101/0x3e0 [ 665.399495][ T12] ? __ww_mutex_lock_interruptible_slowpath+0x30/0x30 [ 665.399522][ T12] ? __kasan_check_write+0x18/0x20 [ 665.399539][ T12] ? work_grab_pending+0x301/0x830 [ 665.399563][ T12] ? mutex_unlock+0xe7/0x240 [ 665.399585][ T12] ? mod_delayed_work_on+0x140/0x140 [ 665.399607][ T12] ? ndisc_ns_create+0x4e1/0x8d0 [ 665.399626][ T12] ? __kasan_check_write+0x18/0x20 [ 665.399644][ T12] ? __cancel_work+0x175/0x1f0 [ 665.399667][ T12] addrconf_dad_completed+0x198/0xef0 [ 665.399687][ T12] ? addrconf_dad_stop+0x460/0x460 [ 665.399706][ T12] addrconf_dad_work+0xc7f/0x1550 [ 665.399726][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 665.399746][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.399766][ T12] ? kick_pool+0xb9/0x540 [ 665.399788][ T12] process_scheduled_works+0x7f7/0x1060 [ 665.399809][ T12] worker_thread+0xc99/0x13f0 [ 665.399831][ T12] kthread+0x2c7/0x360 [ 665.399850][ T12] ? __cfi_worker_thread+0x10/0x10 [ 665.399868][ T12] ? __cfi_kthread+0x10/0x10 [ 665.399888][ T12] ret_from_fork+0x67/0xa0 [ 665.399919][ T12] ? __cfi_kthread+0x10/0x10 [ 665.399939][ T12] ret_from_fork_asm+0x1a/0x30 [ 665.399957][ T12] [ 665.477491][ T285] FAULT_INJECTION: forcing a failure. [ 665.477491][ T285] name failslab, interval 1, probability 10, space 0, times 43 [ 665.502893][ T4359] CPU: 1 UID: 0 PID: 4359 Comm: kworker/1:5 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.502924][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.502938][ T4359] Workqueue: mld mld_dad_work [ 665.502963][ T4359] Call Trace: [ 665.502970][ T4359] [ 665.502977][ T4359] __dump_stack+0x21/0x30 [ 665.503005][ T4359] dump_stack_lvl+0x140/0x1c0 [ 665.503029][ T4359] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.503055][ T4359] dump_stack+0x19/0x20 [ 665.503077][ T4359] should_fail_ex+0x3c2/0x510 [ 665.503099][ T4359] should_failslab+0xac/0x100 [ 665.503122][ T4359] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.503143][ T4359] ? __alloc_skb+0x10c/0x360 [ 665.503166][ T4359] ? __cfi_ip6_finish_output+0x10/0x10 [ 665.503188][ T4359] ? __cfi_ip6t_do_table+0x10/0x10 [ 665.503206][ T4359] __alloc_skb+0x10c/0x360 [ 665.503230][ T4359] mld_newpack+0x162/0xa10 [ 665.503250][ T4359] ? mld_sendpack+0xd10/0xd10 [ 665.503270][ T4359] ? add_grec+0x1400/0x1400 [ 665.503289][ T4359] ? add_grec+0xfa8/0x1400 [ 665.503308][ T4359] add_grec+0xf20/0x1400 [ 665.503328][ T4359] ? mutex_lock+0x97/0x1d0 [ 665.503352][ T4359] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.503372][ T4359] mld_send_initial_cr+0x157/0x320 [ 665.503391][ T4359] mld_dad_work+0x3e/0x4e0 [ 665.503417][ T4359] process_scheduled_works+0x7f7/0x1060 [ 665.503440][ T4359] worker_thread+0xc99/0x13f0 [ 665.503459][ T4359] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 665.503480][ T4359] ? __kasan_check_read+0x15/0x20 [ 665.503499][ T4359] kthread+0x2c7/0x360 [ 665.503519][ T4359] ? __cfi_worker_thread+0x10/0x10 [ 665.503538][ T4359] ? __cfi_kthread+0x10/0x10 [ 665.503558][ T4359] ret_from_fork+0x67/0xa0 [ 665.503582][ T4359] ? __cfi_kthread+0x10/0x10 [ 665.503602][ T4359] ret_from_fork_asm+0x1a/0x30 [ 665.503621][ T4359] [ 665.599366][ C1] FAULT_INJECTION: forcing a failure. [ 665.599366][ C1] name failslab, interval 1, probability 10, space 0, times 38 [ 665.604605][ T377] FAULT_INJECTION: forcing a failure. [ 665.604605][ T377] name failslab, interval 1, probability 10, space 0, times 38 [ 665.608272][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.608300][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.608311][ C1] Call Trace: [ 665.608318][ C1] [ 665.608326][ C1] __dump_stack+0x21/0x30 [ 665.608365][ C1] dump_stack_lvl+0x140/0x1c0 [ 665.608388][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.608413][ C1] dump_stack+0x19/0x20 [ 665.608435][ C1] should_fail_ex+0x3c2/0x510 [ 665.608457][ C1] should_failslab+0xac/0x100 [ 665.608479][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.608498][ C1] ? __alloc_skb+0x10c/0x360 [ 665.608523][ C1] __alloc_skb+0x10c/0x360 [ 665.608564][ C1] wg_packet_send_keepalive+0x66/0x1d0 [ 665.608587][ C1] ? wg_expired_send_persistent_keepalive+0x48/0x80 [ 665.608610][ C1] wg_expired_send_persistent_keepalive+0x57/0x80 [ 665.608632][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 665.608656][ C1] call_timer_fn+0x4c/0x300 [ 665.608680][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 665.608702][ C1] __run_timer_base+0x6c0/0x9b0 [ 665.608726][ C1] ? timer_expire_remote+0xa0/0xa0 [ 665.608747][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 665.608775][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 665.608800][ C1] run_timer_softirq+0x35/0x70 [ 665.608822][ C1] handle_softirqs+0x1aa/0x620 [ 665.608842][ C1] __irq_exit_rcu+0x47/0xb0 [ 665.608861][ C1] irq_exit_rcu+0xd/0x30 [ 665.608878][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 665.608903][ C1] [ 665.608910][ C1] [ 665.608917][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 665.608940][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 665.608968][ C1] Code: cc cc cc cc cc cc cc b8 22 f9 89 8b 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 a9 43 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 665.608984][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 665.609003][ C1] RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff85a3b4fd [ 665.609018][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000002373f64 [ 665.609032][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f395eb R09: 1ffff1103ede72bd [ 665.609046][ C1] R10: dffffc0000000000 R11: ffffed103ede72be R12: 0000000000000000 [ 665.609061][ C1] R13: 1ffff110206cd980 R14: dffffc0000000000 R15: ffffffff87ecb868 [ 665.609076][ C1] ? ct_kernel_exit+0x7d/0xb0 [ 665.609095][ C1] default_idle+0x17/0x30 [ 665.609112][ C1] arch_cpu_idle+0xd/0x20 [ 665.609129][ C1] default_idle_call+0x3e/0x80 [ 665.609147][ C1] do_idle+0x1df/0x570 [ 665.609166][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 665.609189][ C1] cpu_startup_entry+0x47/0x60 [ 665.609208][ C1] start_secondary+0x12e/0x140 [ 665.609232][ C1] common_startup_64+0x13b/0x157 [ 665.609258][ C1] [ 665.609975][ T285] CPU: 1 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.610002][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.610014][ T285] Call Trace: [ 665.610021][ T285] [ 665.610028][ T285] __dump_stack+0x21/0x30 [ 665.610055][ T285] dump_stack_lvl+0x140/0x1c0 [ 665.610079][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.610104][ T285] dump_stack+0x19/0x20 [ 665.610127][ T285] should_fail_ex+0x3c2/0x510 [ 665.610148][ T285] should_failslab+0xac/0x100 [ 665.610171][ T285] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 665.610190][ T285] ? __cfi__raw_spin_lock+0x10/0x10 [ 665.610211][ T285] ? alloc_inode+0xa9/0x270 [ 665.610234][ T285] alloc_inode+0xa9/0x270 [ 665.610256][ T285] ? _raw_spin_unlock+0x45/0x60 [ 665.610276][ T285] new_inode_pseudo+0x19/0x40 [ 665.610299][ T285] create_pipe_files+0x53/0x6c0 [ 665.610318][ T285] __do_pipe_flags+0x50/0x2f0 [ 665.610336][ T285] do_pipe2+0xab/0x190 [ 665.610363][ T285] ? pipe_fcntl+0x520/0x520 [ 665.610383][ T285] ? __kasan_check_read+0x15/0x20 [ 665.610402][ T285] __x64_sys_pipe2+0x5e/0x70 [ 665.610420][ T285] x64_sys_call+0x8be/0x2ee0 [ 665.610437][ T285] do_syscall_64+0x57/0xf0 [ 665.610457][ T285] ? clear_bhb_loop+0x50/0xa0 [ 665.610481][ T285] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 665.610504][ T285] RIP: 0033:0x7f929859cfc9 [ 665.610520][ T285] Code: 38 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 eb aa e8 ea 34 00 00 66 2e 0f 1f 84 00 00 00 00 00 31 f6 b8 25 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 07 c3 66 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff [ 665.610536][ T285] RSP: 002b:00007ffd4918e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 [ 665.610557][ T285] RAX: ffffffffffffffda RBX: 0000555579ad90a0 RCX: 00007f929859cfc9 [ 665.610571][ T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd4918e188 [ 665.610584][ T285] RBP: 00007ffd4918e260 R08: 00007f92987f1e20 R09: 0000000000000000 [ 665.610596][ T285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555579ad90a0 [ 665.610609][ T285] R13: 0000000000000020 R14: 0000000000000001 R15: 0000000000000000 [ 665.610623][ T285] [ 665.611278][ T284] FAULT_INJECTION: forcing a failure. [ 665.611278][ T284] name failslab, interval 1, probability 10, space 0, times 35 [ 665.613337][ T377] CPU: 0 UID: 0 PID: 377 Comm: kworker/0:3 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.613363][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.613375][ T377] Workqueue: mld mld_dad_work [ 665.613398][ T377] Call Trace: [ 665.613405][ T377] [ 665.613413][ T377] __dump_stack+0x21/0x30 [ 665.613437][ T377] dump_stack_lvl+0x140/0x1c0 [ 665.613461][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.613486][ T377] dump_stack+0x19/0x20 [ 665.613510][ T377] should_fail_ex+0x3c2/0x510 [ 665.613531][ T377] should_failslab+0xac/0x100 [ 665.613553][ T377] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.613573][ T377] ? timer_update_keys+0xd0/0xd0 [ 665.613596][ T377] ? __alloc_skb+0x10c/0x360 [ 665.613621][ T377] __alloc_skb+0x10c/0x360 [ 665.613644][ T377] mld_newpack+0x162/0xa10 [ 665.613663][ T377] ? __mod_timer+0x881/0xd20 [ 665.613683][ T377] ? mld_sendpack+0xd10/0xd10 [ 665.613704][ T377] add_grec+0xf20/0x1400 [ 665.613723][ T377] ? __queue_delayed_work+0x1b0/0x240 [ 665.613748][ T377] ? mutex_lock+0x97/0x1d0 [ 665.613772][ T377] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 665.613790][ T377] mld_send_initial_cr+0x157/0x320 [ 665.613810][ T377] mld_dad_work+0x3e/0x4e0 [ 665.613830][ T377] process_scheduled_works+0x7f7/0x1060 [ 665.613860][ T377] worker_thread+0xc99/0x13f0 [ 665.613880][ T377] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 665.613901][ T377] ? __kasan_check_read+0x15/0x20 [ 665.613920][ T377] kthread+0x2c7/0x360 [ 665.613939][ T377] ? __cfi_worker_thread+0x10/0x10 [ 665.613958][ T377] ? __cfi_kthread+0x10/0x10 [ 665.613979][ T377] ret_from_fork+0x67/0xa0 [ 665.614003][ T377] ? __cfi_kthread+0x10/0x10 [ 665.614022][ T377] ret_from_fork_asm+0x1a/0x30 [ 665.614041][ T377] [ 665.638174][ T285] FAULT_INJECTION: forcing a failure. [ 665.638174][ T285] name failslab, interval 1, probability 10, space 0, times 31 [ 665.644843][ T36] audit: type=1400 audit(2000000582.679:345): avc: denied { write } for pid=285 comm="syz-executor" path="pipe:[2857]" dev="pipefs" ino=2857 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 665.648302][ T285] CPU: 0 UID: 0 PID: 285 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.648328][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.648340][ T285] Call Trace: [ 665.648347][ T285] [ 665.648355][ T285] __dump_stack+0x21/0x30 [ 665.648385][ T285] dump_stack_lvl+0x140/0x1c0 [ 665.648410][ T285] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.648434][ T285] ? skb_network_protocol+0x533/0x7a0 [ 665.648459][ T285] ? __reset_page_owner+0x450/0x450 [ 665.648482][ T285] ? __cfi_skb_network_protocol+0x10/0x10 [ 665.648506][ T285] dump_stack+0x19/0x20 [ 665.648555][ T285] should_fail_ex+0x3c2/0x510 [ 665.648577][ T285] should_failslab+0xac/0x100 [ 665.648599][ T285] kmem_cache_alloc_noprof+0x42/0x410 [ 665.648618][ T285] ? skb_clone+0x21d/0x470 [ 665.648635][ T285] ? __kasan_check_read+0x15/0x20 [ 665.648654][ T285] skb_clone+0x21d/0x470 [ 665.648670][ T285] dev_queue_xmit_nit+0x251/0xac0 [ 665.648692][ T285] dev_hard_start_xmit+0x19e/0x730 [ 665.648716][ T285] sch_direct_xmit+0x27d/0x9c0 [ 665.648737][ T285] ? __kasan_check_write+0x18/0x20 [ 665.648755][ T285] ? _raw_spin_trylock+0xb5/0x140 [ 665.648775][ T285] ? __cfi_sch_direct_xmit+0x10/0x10 [ 665.648794][ T285] ? netdev_core_pick_tx+0x1ff/0x370 [ 665.648817][ T285] ? __dev_queue_xmit+0x26c/0x3780 [ 665.648847][ T285] __dev_queue_xmit+0x1611/0x3780 [ 665.648870][ T285] ? __dev_queue_xmit+0x26c/0x3780 [ 665.648894][ T285] ? kernel_text_address+0xa9/0xe0 [ 665.648919][ T285] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 665.648941][ T285] ? arch_stack_walk+0x10a/0x170 [ 665.648960][ T285] ? __cfi___dev_queue_xmit+0x10/0x10 [ 665.648985][ T285] ? __kasan_check_read+0x15/0x20 [ 665.649002][ T285] ? selinux_ip_postroute+0x291/0xfe0 [ 665.649022][ T285] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 665.649043][ T285] ? __asan_memcpy+0x5a/0x80 [ 665.649061][ T285] ip_finish_output2+0xb82/0xfb0 [ 665.649082][ T285] ? __cfi_ip_finish_output2+0x10/0x10 [ 665.649101][ T285] ? ip_skb_dst_mtu+0x4b2/0x670 [ 665.649119][ T285] __ip_finish_output+0x17b/0x3e0 [ 665.649138][ T285] ip_finish_output+0x35/0x360 [ 665.649162][ T285] ? ip_output+0x306/0x330 [ 665.649187][ T285] ip_output+0x1a1/0x330 [ 665.649212][ T285] ? __cfi_ip_output+0x10/0x10 [ 665.649237][ T285] ? is_bpf_text_address+0x17b/0x1a0 [ 665.649264][ T285] ? __cfi_ip_finish_output+0x10/0x10 [ 665.649290][ T285] ? ipv4_dst_check+0xfc/0x170 [ 665.649309][ T285] ? __cfi_ip_output+0x10/0x10 [ 665.649334][ T285] __ip_queue_xmit+0x134d/0x1f70 [ 665.649361][ T285] ? __kasan_check_read+0x15/0x20 [ 665.649379][ T285] ip_queue_xmit+0x51/0x70 [ 665.649396][ T285] ? __cfi_ip_queue_xmit+0x10/0x10 [ 665.649412][ T285] __tcp_transmit_skb+0x23aa/0x38f0 [ 665.649435][ T285] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 665.649459][ T285] ? __tcp_send_ack+0x6b0/0x6b0 [ 665.649479][ T285] ? __kasan_check_read+0x15/0x20 [ 665.649497][ T285] ? tcp_small_queue_check+0x213/0x430 [ 665.649516][ T285] tcp_write_xmit+0x1a41/0x6d20 [ 665.649537][ T285] ? kmalloc_reserve+0xcf/0x4f0 [ 665.649564][ T285] tcp_send_fin+0x79c/0xf70 [ 665.649583][ T285] __tcp_close+0x4fe/0xd60 [ 665.649603][ T285] tcp_close+0x2d/0x120 [ 665.649622][ T285] inet_release+0x1b0/0x2b0 [ 665.649643][ T285] sock_close+0xb4/0x220 [ 665.649664][ T285] ? __cfi_sock_close+0x10/0x10 [ 665.649685][ T285] __fput+0x208/0xa30 [ 665.649710][ T285] ____fput+0x20/0x30 [ 665.649731][ T285] task_work_run+0x1e8/0x260 [ 665.649754][ T285] ? __cfi_task_work_run+0x10/0x10 [ 665.649777][ T285] ? __kasan_check_write+0x18/0x20 [ 665.649795][ T285] do_exit+0xa46/0x2850 [ 665.649819][ T285] ? __cfi_do_exit+0x10/0x10 [ 665.649849][ T285] ? __kasan_check_write+0x18/0x20 [ 665.649866][ T285] ? _raw_spin_lock_irq+0x93/0x120 [ 665.649886][ T285] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 665.649906][ T285] ? __cfi_ksys_write+0x10/0x10 [ 665.649924][ T285] ? zap_other_threads+0x32f/0x370 [ 665.649946][ T285] do_group_exit+0x21f/0x2f0 [ 665.649969][ T285] __x64_sys_exit_group+0x43/0x50 [ 665.649993][ T285] x64_sys_call+0x2ed2/0x2ee0 [ 665.650010][ T285] do_syscall_64+0x57/0xf0 [ 665.650029][ T285] ? clear_bhb_loop+0x50/0xa0 [ 665.650052][ T285] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 665.650074][ T285] RIP: 0033:0x7f929859df99 [ 665.650090][ T285] Code: Unable to access opcode bytes at 0x7f929859df6f. [ 665.650099][ T285] RSP: 002b:00007ffd4918e048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 665.650120][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f929859df99 [ 665.650134][ T285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 [ 665.650146][ T285] RBP: 00007f929865012c R08: 0000000000000000 R09: 0000000000000020 [ 665.650158][ T285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017 [ 665.650170][ T285] R13: 0000000000000020 R14: 0000000000000001 R15: 0000000000000000 [ 665.650185][ T285] [ 665.658457][ C1] FAULT_INJECTION: forcing a failure. [ 665.658457][ C1] name failslab, interval 1, probability 10, space 0, times 25 [ 665.658488][ C1] CPU: 1 UID: 0 PID: 36 Comm: kauditd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.658517][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.658530][ C1] Call Trace: [ 665.658537][ C1] [ 665.658546][ C1] __dump_stack+0x21/0x30 [ 665.658579][ C1] dump_stack_lvl+0x140/0x1c0 [ 665.658607][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.658637][ C1] dump_stack+0x19/0x20 [ 665.658663][ C1] should_fail_ex+0x3c2/0x510 [ 665.658688][ C1] should_failslab+0xac/0x100 [ 665.658714][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.658736][ C1] ? __kasan_check_write+0x18/0x20 [ 665.658758][ C1] ? __alloc_skb+0x10c/0x360 [ 665.658785][ C1] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 665.658811][ C1] __alloc_skb+0x10c/0x360 [ 665.658838][ C1] __ip_append_data+0x2965/0x3b60 [ 665.658863][ C1] ? __cfi_ip_reply_glue_bits+0x10/0x10 [ 665.658885][ C1] ? xfrm_lookup_route+0x133/0x190 [ 665.659001][ C1] ? kauditd_thread+0x4ea/0x750 [ 665.659025][ C1] ? ip_setup_cork+0x9f0/0x9f0 [ 665.659045][ C1] ? ip_setup_cork+0x583/0x9f0 [ 665.659066][ C1] ip_send_unicast_reply+0x7df/0x12a0 [ 665.659091][ C1] ? __cfi_ip_send_unicast_reply+0x10/0x10 [ 665.659115][ C1] ? __cfi_tcp_v4_destroy_sock+0x10/0x10 [ 665.659143][ C1] ? sk_stream_kill_queues+0x2a6/0x320 [ 665.659167][ C1] tcp_v4_send_reset+0xc86/0x1540 [ 665.659194][ C1] ? tcp_v4_send_reset+0x85a/0x1540 [ 665.659219][ C1] ? __cfi_tcp_v4_send_reset+0x10/0x10 [ 665.659246][ C1] ? __cfi_tcp_rcv_state_process+0x10/0x10 [ 665.659276][ C1] ? __kasan_check_write+0x18/0x20 [ 665.659297][ C1] ? _raw_spin_lock+0x92/0x120 [ 665.659319][ C1] ? __cfi__raw_spin_lock+0x10/0x10 [ 665.659349][ C1] tcp_v4_do_rcv+0x718/0xbb0 [ 665.659375][ C1] ? tcp_segs_in+0x1c7/0x310 [ 665.659401][ C1] tcp_v4_rcv+0x285b/0x3390 [ 665.659429][ C1] ? __reset_page_owner+0x450/0x450 [ 665.659458][ C1] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 665.659484][ C1] ? __inet_lookup_established+0x730/0x760 [ 665.659510][ C1] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 665.659536][ C1] ip_protocol_deliver_rcu+0x1c6/0x390 [ 665.659564][ C1] ip_local_deliver_finish+0x272/0x470 [ 665.659591][ C1] ip_local_deliver+0x1e0/0x360 [ 665.659618][ C1] ? __cfi_ip_local_deliver+0x10/0x10 [ 665.659644][ C1] ? ip_rcv_finish_core+0xae1/0x1460 [ 665.659673][ C1] ? __cfi_ip_local_deliver+0x10/0x10 [ 665.659699][ C1] ip_sublist_rcv+0x83a/0x9b0 [ 665.659727][ C1] ? ip_list_rcv+0x450/0x450 [ 665.659754][ C1] ? __asan_memset+0x39/0x50 [ 665.659774][ C1] ? ip_rcv_core+0x833/0xd00 [ 665.659801][ C1] ip_list_rcv+0x3e8/0x450 [ 665.659826][ C1] ? _printk+0xde/0x140 [ 665.659851][ C1] ? __cfi_ip_list_rcv+0x10/0x10 [ 665.659877][ C1] ? dev_gro_receive+0x1296/0x22a0 [ 665.659907][ C1] ? __cfi_ip_list_rcv+0x10/0x10 [ 665.659933][ C1] __netif_receive_skb_list_core+0x830/0x880 [ 665.659966][ C1] ? set_rps_cpu+0x670/0x670 [ 665.659993][ C1] ? virtnet_receive_done+0x1146/0x1a30 [ 665.660017][ C1] netif_receive_skb_list_internal+0x847/0xb00 [ 665.660049][ C1] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 665.660081][ C1] ? receive_buf+0xb12/0x1080 [ 665.660102][ C1] napi_complete_done+0x323/0x790 [ 665.660133][ C1] ? __cfi_napi_complete_done+0x10/0x10 [ 665.660162][ C1] ? virtqueue_get_buf_ctx+0x47b/0xcf0 [ 665.660189][ C1] ? virtqueue_enable_cb_prepare+0x213/0x500 [ 665.660215][ C1] virtnet_poll+0x27df/0x3190 [ 665.660237][ C1] ? __kasan_check_read+0x15/0x20 [ 665.660258][ C1] ? psi_group_change+0xab6/0x10a0 [ 665.660289][ C1] ? __cfi_virtnet_poll+0x10/0x10 [ 665.660311][ C1] ? enqueue_task+0x1049/0x1100 [ 665.660333][ C1] ? __cfi_enqueue_task+0x10/0x10 [ 665.660361][ C1] __napi_poll+0xd0/0x600 [ 665.660389][ C1] net_rx_action+0x5dc/0xd70 [ 665.660420][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 665.660448][ C1] ? sched_clock_cpu+0x75/0x400 [ 665.660478][ C1] ? sched_clock+0x44/0x60 [ 665.660505][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 665.660533][ C1] handle_softirqs+0x1aa/0x620 [ 665.660555][ C1] __irq_exit_rcu+0x47/0xb0 [ 665.660576][ C1] irq_exit_rcu+0xd/0x30 [ 665.660595][ C1] sysvec_call_function_single+0x7f/0x90 [ 665.660624][ C1] [ 665.660631][ C1] [ 665.660640][ C1] asm_sysvec_call_function_single+0x1f/0x30 [ 665.660667][ C1] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 665.660698][ C1] Code: 89 de 48 81 e6 00 02 00 00 31 ff e8 2d 8f 1e 00 48 81 e3 00 02 00 00 75 07 e8 3f 8a 1e 00 eb 06 e8 38 8a 1e 00 fb 49 8d 5d 58 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 0f 4d 77 00 48 8b [ 665.660717][ C1] RSP: 0018:ffffc9000025f880 EFLAGS: 00000293 [ 665.660737][ C1] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: ffff88810524a600 [ 665.660754][ C1] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 665.660768][ C1] RBP: ffffc9000025f9b0 R08: 0000000000000003 R09: 0000000000000004 [ 665.660783][ C1] R10: dffffc0000000000 R11: fffff5200004bf00 R12: dffffc0000000000 [ 665.660800][ C1] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 665.660817][ C1] ? console_flush_all+0x6f8/0xab0 [ 665.660845][ C1] ? console_flush_all+0x771/0xab0 [ 665.660867][ C1] ? __console_rewind_all+0x170/0x170 [ 665.660892][ C1] ? __kasan_check_read+0x15/0x20 [ 665.660912][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 665.660942][ C1] ? is_printk_legacy_deferred+0x5c/0x70 [ 665.660963][ C1] console_unlock+0xf8/0x2c0 [ 665.660987][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 665.661011][ C1] ? __cfi_console_unlock+0x10/0x10 [ 665.661037][ C1] ? __kasan_check_write+0x18/0x20 [ 665.661057][ C1] ? _raw_spin_lock+0x92/0x120 [ 665.661080][ C1] ? __cfi__raw_spin_lock+0x10/0x10 [ 665.661102][ C1] ? __kasan_check_read+0x15/0x20 [ 665.661122][ C1] ? is_printk_cpu_sync_owner+0x39/0x50 [ 665.661153][ C1] vprintk_emit+0x282/0x650 [ 665.661178][ C1] ? __cfi_vprintk_emit+0x10/0x10 [ 665.661203][ C1] ? __kasan_check_write+0x18/0x20 [ 665.661223][ C1] ? _raw_spin_trylock+0xb5/0x140 [ 665.661246][ C1] vprintk_default+0x2a/0x40 [ 665.661272][ C1] vprintk+0x93/0xa0 [ 665.661290][ C1] _printk+0xde/0x140 [ 665.661315][ C1] ? __cfi__printk+0x10/0x10 [ 665.661358][ C1] kauditd_hold_skb+0x1cc/0x230 [ 665.661381][ C1] ? __cfi_kauditd_send_multicast_skb+0x10/0x10 [ 665.661403][ C1] ? __cfi_kauditd_hold_skb+0x10/0x10 [ 665.661426][ C1] kauditd_send_queue+0x2c5/0x320 [ 665.661448][ C1] ? __cfi_kauditd_hold_skb+0x10/0x10 [ 665.661471][ C1] ? __cfi_kauditd_send_multicast_skb+0x10/0x10 [ 665.661495][ C1] kauditd_thread+0x4ea/0x750 [ 665.661516][ C1] ? __kasan_check_write+0x18/0x20 [ 665.661537][ C1] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 665.661561][ C1] ? __cfi_kauditd_thread+0x10/0x10 [ 665.661582][ C1] ? set_cpus_allowed_ptr+0xa1/0xf0 [ 665.661605][ C1] ? __cfi_autoremove_wake_function+0x10/0x10 [ 665.661629][ C1] ? __kasan_check_read+0x15/0x20 [ 665.661649][ C1] ? __kthread_parkme+0x12f/0x180 [ 665.661670][ C1] ? schedule+0xc5/0x240 [ 665.661695][ C1] kthread+0x2c7/0x360 [ 665.661718][ C1] ? __cfi_kauditd_thread+0x10/0x10 [ 665.661740][ C1] ? __cfi_kthread+0x10/0x10 [ 665.661763][ C1] ret_from_fork+0x67/0xa0 [ 665.661791][ C1] ? __cfi_kthread+0x10/0x10 [ 665.661814][ C1] ret_from_fork_asm+0x1a/0x30 [ 665.661836][ C1] [ 665.716617][ T1] FAULT_INJECTION: forcing a failure. [ 665.716617][ T1] name failslab, interval 1, probability 10, space 0, times 24 [ 665.718719][ T36] audit: type=1400 audit(2000000582.688:346): avc: denied { write } for pid=285 comm="syz-executor" path="pipe:[2857]" dev="pipefs" ino=2857 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 665.723625][ T284] CPU: 0 UID: 0 PID: 284 Comm: sshd-session Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 665.723652][ T284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 665.723664][ T284] Call Trace: [ 665.723670][ T284] [ 665.723678][ T284] __dump_stack+0x21/0x30 [ 665.723709][ T284] dump_stack_lvl+0x140/0x1c0 [ 665.723733][ T284] ? __cfi_dump_stack_lvl+0x10/0x10 [ 665.723759][ T284] dump_stack+0x19/0x20 [ 665.723830][ T284] should_fail_ex+0x3c2/0x510 [ 665.723853][ T284] should_failslab+0xac/0x100 [ 665.723876][ T284] kmem_cache_alloc_node_noprof+0x45/0x420 [ 665.723896][ T284] ? __alloc_skb+0x10c/0x360 [ 665.723922][ T284] __alloc_skb+0x10c/0x360 [ 665.723943][ T284] ? tcp_current_mss+0x539/0x8b0 [ 665.723962][ T284] tcp_stream_alloc_skb+0x43/0x370 [ 665.723981][ T284] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 665.724000][ T284] ? avc_has_perm_noaudit+0x289/0x360 [ 665.724023][ T284] ? __kasan_check_write+0x18/0x20 [ 665.724042][ T284] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 665.724065][ T284] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 665.724084][ T284] ? avc_has_perm+0x155/0x240