last executing test programs: 21.075694407s ago: executing program 1 (id=2): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./debug\x00', 0x1ff) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./debug\x00', &(0x7f0000000400)='debugfs\x00', 0x0, 0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='./debug/kvm\x00', 0x0, 0x0) getdents64(r1, &(0x7f0000000600), 0x1000) r2 = openat(r1, &(0x7f0000000643), 0x0, 0x0) openat(r2, &(0x7f0000000700)='mmu_shadow_zapped\x00', 0x0, 0x0) 20.990954639s ago: executing program 3 (id=4): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = socket$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) 20.97549093s ago: executing program 0 (id=1): 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) 20.95518031s ago: executing program 2 (id=3): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./debug\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r0, &(0x7f0000000900)='- 1 0 1\n\x00', 0x8) 20.848772333s ago: executing program 2 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000180)=@filename='none\x00', &(0x7f00000001c0)='./config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r1, &(0x7f0000000340)='0x1d6b\x00'/16, 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r2, &(0x7f00000003c0)='0x0104\x00'/16, 0x6) r3 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0) write(r3, &(0x7f00000005c0)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) 20.379888624s ago: executing program 0 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) 20.135623349s ago: executing program 1 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./debug\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./debug/lru_gen\x00', 0x2, 0x0) pread64(r0, 0x0, 0x0, 0x0) 20.083287641s ago: executing program 3 (id=8): 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) 4.779910346s ago: executing program 32 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) 4.386202165s ago: executing program 33 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./debug\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./debug/lru_gen\x00', 0x2, 0x0) pread64(r0, 0x0, 0x0, 0x0) 3.943895585s ago: executing program 34 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config\x00', 0x1ff) mount(&(0x7f0000000180)=@filename='none\x00', &(0x7f00000001c0)='./config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys/bus/platform/drivers/dummy_udc/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/usb_gadget/g1\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r1, &(0x7f0000000340)='0x1d6b\x00'/16, 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r2, &(0x7f00000003c0)='0x0104\x00'/16, 0x6) r3 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./sys/bus/platform/drivers/dummy_udc/bind\x00', 0x1, 0x0) write(r3, &(0x7f00000005c0)='dummy_udc.0\n\x00\x00\x00\x00', 0xc) 3.542494905s ago: executing program 35 (id=8): 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) 204.767105ms ago: executing program 4 (id=9): 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) write(0xffffffffffffffff, &(0x7f0000000400)='algo=zstd dict=dict0 level=11', 0x1d) 177.072065ms ago: executing program 6 (id=11): 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) 114.558647ms ago: executing program 7 (id=12): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/usb_gadget/g1\x00', 0x1ed) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/idVendor\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='0x1d6b\x00', 0x6) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/idProduct\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='0x0104\x00', 0x6) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/usb_gadget/g1/functions/SourceSink.usb0\x00', 0x1ed) mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ed) symlinkat(&(0x7f0000000200)='./config/usb_gadget/g1/functions/SourceSink.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/configs/c.1/SourceSink.usb0\x00') r2 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0) close(r2) nanosleep(&(0x7f0000000400)={0x2}, 0x0) 51.641858ms ago: executing program 4 (id=13): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys_link\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000300)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000e00)='./sys_link/bus/pci/drivers/ehci-pci/bind\x00', 0x1, 0x0) write(r0, &(0x7f0000000f00)='0000:00:01.0\x00', 0xd) 6.619749ms ago: executing program 4 (id=14): mkdir(&(0x7f0000000000)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./mysys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./mysys/bus/pci/devices/0000:00:04.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000004c0)='0000:00:04.0\x00', 0xd) 0s ago: executing program 6 (id=15): mkdir(&(0x7f0000000e00)='./proc_dir\x00', 0x1ff) mount(0x0, &(0x7f0000001000)='./proc_dir\x00', &(0x7f0000001100)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./proc_dir/net/rpc/nfsd.export/channel\x00', 0x2, 0x0) write(r0, &(0x7f0000000b00)=' ./export_dir 2000000000 8194 0 0 0\n', 0x25) 0s ago: executing program 5 (id=10): 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) kernel console output (not intermixed with test programs): 9 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 [ 44.212320][ T99] RSP: 002b:00007fffbaa3bbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 44.212387][ T99] RAX: ffffffffffffffda RBX: 00007f2ca52e5c80 RCX: 00007f2ca5435407 [ 44.212433][ T99] RDX: 000000000000006e RSI: 00007f2ca553c560 RDI: 0000000000000003 [ 44.212479][ T99] RBP: 00007f2ca553c560 R08: 0000000000000000 R09: 0000000000000000 [ 44.212500][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.212536][ T99] R13: 000000000000000c R14: 0000000000000053 R15: 00007fffbaa3bd20 [ 44.212588][ T99] [ 44.213734][ T99] FAULT_INJECTION: forcing a failure. [ 44.213734][ T99] name failslab, interval 1, probability 10, space 0, times 72 [ 44.217521][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.217646][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.217688][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.217774][ T12] Call Trace: [ 44.217796][ T12] [ 44.217826][ T12] __dump_stack+0x21/0x30 [ 44.217914][ T12] dump_stack_lvl+0x140/0x1c0 [ 44.218001][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.218073][ T12] ? __kasan_slab_free+0x6a/0x80 [ 44.218152][ T12] ? kmem_cache_free+0x1bd/0x4f0 [ 44.218219][ T12] dump_stack+0x19/0x20 [ 44.218304][ T12] should_fail_ex+0x3c2/0x510 [ 44.218421][ T12] should_failslab+0xac/0x100 [ 44.218503][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.218591][ T12] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 44.218657][ T12] ? __alloc_skb+0x10c/0x360 [ 44.218740][ T12] __alloc_skb+0x10c/0x360 [ 44.218824][ T12] ndisc_ns_create+0x2c0/0x8d0 [ 44.218887][ T12] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.218955][ T12] ? __mod_timer+0x881/0xd20 [ 44.219022][ T12] ? __cfi_ndisc_ns_create+0x10/0x10 [ 44.219087][ T12] ndisc_send_ns+0xbb/0x160 [ 44.219152][ T12] ? __cfi_ndisc_send_ns+0x10/0x10 [ 44.219220][ T12] addrconf_dad_work+0xa0e/0x1550 [ 44.219286][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 44.219342][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 44.219410][ T12] ? kick_pool+0xb9/0x540 [ 44.219477][ T12] process_scheduled_works+0x7f7/0x1060 [ 44.219554][ T12] worker_thread+0xc99/0x13f0 [ 44.219628][ T12] kthread+0x2c7/0x360 [ 44.219694][ T12] ? __cfi_worker_thread+0x10/0x10 [ 44.219757][ T12] ? __cfi_kthread+0x10/0x10 [ 44.219824][ T12] ret_from_fork+0x67/0xa0 [ 44.219910][ T12] ? __cfi_kthread+0x10/0x10 [ 44.219978][ T12] ret_from_fork_asm+0x1a/0x30 [ 44.220043][ T12] [ 44.221320][ T12] FAULT_INJECTION: forcing a failure. [ 44.221320][ T12] name failslab, interval 1, probability 10, space 0, times 70 [ 44.222280][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.222377][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.222420][ T31] Workqueue: mld mld_ifc_work [ 44.222519][ T31] Call Trace: [ 44.222541][ T31] [ 44.222565][ T31] __dump_stack+0x21/0x30 [ 44.222663][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.222751][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.222840][ T31] dump_stack+0x19/0x20 [ 44.222924][ T31] should_fail_ex+0x3c2/0x510 [ 44.222999][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.223085][ T31] should_failslab+0xac/0x100 [ 44.223161][ T31] kmem_cache_alloc_noprof+0x42/0x410 [ 44.223225][ T31] ? kasan_save_alloc_info+0x3a/0x50 [ 44.223314][ T31] ? dst_alloc+0x13c/0x240 [ 44.223367][ T31] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.223428][ T31] dst_alloc+0x13c/0x240 [ 44.223503][ T31] icmp6_dst_alloc+0xef/0x4f0 [ 44.223566][ T31] mld_sendpack+0x5ac/0xd10 [ 44.223677][ T31] ? add_grec+0x1400/0x1400 [ 44.223744][ T31] ? add_grec+0xfa8/0x1400 [ 44.223836][ T31] ? __asan_memcpy+0x5a/0x80 [ 44.223916][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.223987][ T31] mld_ifc_work+0x7cc/0xc40 [ 44.224052][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.224127][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.224203][ T31] worker_thread+0xc99/0x13f0 [ 44.224279][ T31] kthread+0x2c7/0x360 [ 44.224346][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.224430][ T31] ? __cfi_kthread+0x10/0x10 [ 44.224505][ T31] ret_from_fork+0x67/0xa0 [ 44.224600][ T31] ? __cfi_kthread+0x10/0x10 [ 44.224677][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.224753][ T31] [ 44.225491][ T31] FAULT_INJECTION: forcing a failure. [ 44.225491][ T31] name failslab, interval 1, probability 10, space 0, times 69 [ 44.227791][ T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.227876][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.227918][ T297] Call Trace: [ 44.227925][ T297] [ 44.227934][ T297] __dump_stack+0x21/0x30 [ 44.228243][ T297] dump_stack_lvl+0x140/0x1c0 [ 44.228330][ T297] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.228409][ T297] ? __mark_inode_dirty+0x51d/0xc50 [ 44.228454][ T297] dump_stack+0x19/0x20 [ 44.228479][ T297] should_fail_ex+0x3c2/0x510 [ 44.228501][ T297] should_failslab+0xac/0x100 [ 44.228559][ T297] kmem_cache_alloc_noprof+0x42/0x410 [ 44.228624][ T297] ? iterate_dir+0x2f8/0x5c0 [ 44.228693][ T297] ? getname_flags+0xcc/0x6b0 [ 44.228761][ T297] getname_flags+0xcc/0x6b0 [ 44.228826][ T297] ? __x64_sys_getdents64+0xa0/0xa0 [ 44.228903][ T297] user_path_at+0x2b/0x60 [ 44.229070][ T297] __x64_sys_umount+0xfa/0x180 [ 44.229143][ T297] ? __cfi___x64_sys_umount+0x10/0x10 [ 44.229202][ T297] ? __kasan_check_read+0x15/0x20 [ 44.229267][ T297] x64_sys_call+0x2ab8/0x2ee0 [ 44.229321][ T297] do_syscall_64+0x57/0xf0 [ 44.229389][ T297] ? clear_bhb_loop+0x50/0xa0 [ 44.229485][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.229595][ T297] RIP: 0033:0x7f7f3c19f1d7 [ 44.229659][ T297] Code: a2 c7 05 1c 35 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 44.229714][ T297] RSP: 002b:00007ffe055af8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.229780][ T297] RAX: ffffffffffffffda RBX: 00007f7f3c234314 RCX: 00007f7f3c19f1d7 [ 44.229824][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe055af990 [ 44.229867][ T297] RBP: 00007ffe055af990 R08: 00007ffe055b0990 R09: 00000000ffffffff [ 44.229911][ T297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe055b0a20 [ 44.229964][ T297] R13: 00007f7f3c234314 R14: 000000000000ab40 R15: 00007ffe055b0a60 [ 44.230022][ T297] [ 44.230128][ T297] FAULT_INJECTION: forcing a failure. [ 44.230128][ T297] name failslab, interval 1, probability 10, space 0, times 68 [ 44.244805][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.244932][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.244977][ T99] Call Trace: [ 44.245000][ T99] [ 44.245025][ T99] __dump_stack+0x21/0x30 [ 44.245151][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.245238][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.245324][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 44.245419][ T99] dump_stack+0x19/0x20 [ 44.245512][ T99] should_fail_ex+0x3c2/0x510 [ 44.245593][ T99] should_failslab+0xac/0x100 [ 44.245677][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 44.245757][ T99] ? getname_kernel+0x6b/0x450 [ 44.245830][ T99] ? selinux_socket_connect_helper+0x4ae/0x940 [ 44.245911][ T99] getname_kernel+0x6b/0x450 [ 44.245982][ T99] ? socket_type_to_security_class+0x800/0x800 [ 44.246053][ T99] kern_path+0x23/0x60 [ 44.249273][ T99] unix_find_other+0x16b/0x930 [ 44.249492][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 44.249575][ T99] ? unix_insert_bsd_socket+0x270/0x270 [ 44.249659][ T99] ? current_check_access_socket+0x1a5/0x9d0 [ 44.249754][ T99] unix_dgram_connect+0x482/0xcc0 [ 44.249919][ T99] ? __cfi_unix_dgram_connect+0x10/0x10 [ 44.250014][ T99] ? selinux_socket_connect+0x27/0x40 [ 44.250098][ T99] ? bpf_lsm_socket_connect+0xd/0x20 [ 44.250174][ T99] ? security_socket_connect+0x3d/0x100 [ 44.250251][ T99] __sys_connect+0x3ed/0x490 [ 44.250333][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 44.250431][ T99] ? __cfi___sys_connect+0x10/0x10 [ 44.250511][ T99] ? fd_install+0x246/0x400 [ 44.250576][ T99] ? __sys_socket+0x16d/0x1c0 [ 44.250651][ T99] ? __kasan_check_read+0x15/0x20 [ 44.250713][ T99] __x64_sys_connect+0x7e/0x90 [ 44.250814][ T99] x64_sys_call+0x1c2f/0x2ee0 [ 44.250904][ T99] do_syscall_64+0x57/0xf0 [ 44.250980][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.251065][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.251143][ T99] RIP: 0033:0x7f2ca5435407 [ 44.251213][ T99] 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 [ 44.251297][ T99] RSP: 002b:00007fffbaa3bbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 44.251412][ T99] RAX: ffffffffffffffda RBX: 00007f2ca52e5c80 RCX: 00007f2ca5435407 [ 44.251457][ T99] RDX: 000000000000006e RSI: 00007f2ca553c560 RDI: 0000000000000003 [ 44.251499][ T99] RBP: 00007f2ca553c560 R08: 0000000000000000 R09: 0000000000000000 [ 44.251536][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.251579][ T99] R13: 000000000000000c R14: 000000000000007d R15: 00007fffbaa3bd20 [ 44.251625][ T99] [ 44.252704][ T99] FAULT_INJECTION: forcing a failure. [ 44.252704][ T99] name failslab, interval 1, probability 10, space 0, times 67 [ 44.252738][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.252776][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.252848][ T99] Call Trace: [ 44.252878][ T99] [ 44.252897][ T99] __dump_stack+0x21/0x30 [ 44.253025][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.253116][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.253209][ T99] dump_stack+0x19/0x20 [ 44.253299][ T99] should_fail_ex+0x3c2/0x510 [ 44.253363][ T99] should_failslab+0xac/0x100 [ 44.253444][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 44.253513][ T99] ? security_inode_alloc+0x51/0x230 [ 44.253617][ T99] security_inode_alloc+0x51/0x230 [ 44.253695][ T99] inode_init_always_gfp+0x756/0x9e0 [ 44.253774][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 44.253864][ T99] alloc_inode+0xc5/0x270 [ 44.253934][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 44.254011][ T99] new_inode_pseudo+0x19/0x40 [ 44.254083][ T99] __sock_create+0x130/0x810 [ 44.254176][ T99] __sys_socket+0xe1/0x1c0 [ 44.254277][ T99] __x64_sys_socket+0x7e/0x90 [ 44.254368][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.254433][ T99] do_syscall_64+0x57/0xf0 [ 44.254503][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.254592][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.254686][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.254746][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.254800][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.254870][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ca54b0707 [ 44.254938][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.254992][ T99] RBP: 00007f2ca553c560 R08: 0000000000000073 R09: 0000000000000001 [ 44.255028][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.255079][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000070 R15: 00007fffbaa3bd20 [ 44.255130][ T99] [ 44.255188][ T99] socket: no more sockets [ 44.258552][ T293] CPU: 0 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.258657][ T293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.258698][ T293] Call Trace: [ 44.258713][ T293] [ 44.258741][ T293] __dump_stack+0x21/0x30 [ 44.258838][ T293] dump_stack_lvl+0x140/0x1c0 [ 44.258917][ T293] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.259022][ T293] dump_stack+0x19/0x20 [ 44.259138][ T293] should_fail_ex+0x3c2/0x510 [ 44.259224][ T293] should_failslab+0xac/0x100 [ 44.259321][ T293] kmem_cache_alloc_noprof+0x42/0x410 [ 44.259387][ T293] ? security_file_alloc+0x49/0x220 [ 44.259479][ T293] ? kasan_save_alloc_info+0x3a/0x50 [ 44.259594][ T293] security_file_alloc+0x49/0x220 [ 44.259716][ T293] init_file+0x9e/0x210 [ 44.259772][ T293] alloc_empty_file+0xd9/0x270 [ 44.259855][ T293] path_openat+0xf4/0x35a0 [ 44.259933][ T293] ? stack_depot_save_flags+0x38/0x800 [ 44.260017][ T293] ? arch_stack_walk+0x10a/0x170 [ 44.260083][ T293] ? kasan_save_track+0x4f/0x80 [ 44.260148][ T293] ? kasan_save_track+0x3e/0x80 [ 44.260216][ T293] ? kasan_save_alloc_info+0x3a/0x50 [ 44.260302][ T293] ? __kasan_slab_alloc+0x73/0x90 [ 44.260376][ T293] ? getname+0x1b/0x30 [ 44.260449][ T293] ? do_sys_openat2+0xda/0x1d0 [ 44.260514][ T293] ? __x64_sys_openat+0x13a/0x170 [ 44.260602][ T293] ? x64_sys_call+0xe69/0x2ee0 [ 44.260657][ T293] ? do_syscall_64+0x57/0xf0 [ 44.260733][ T293] ? do_filp_open+0x440/0x440 [ 44.260818][ T293] do_filp_open+0x1f2/0x440 [ 44.260901][ T293] ? __cfi_do_filp_open+0x10/0x10 [ 44.260998][ T293] ? alloc_fd+0x4c1/0x570 [ 44.261105][ T293] do_sys_openat2+0x134/0x1d0 [ 44.261217][ T293] ? __cfi_path_umount+0x10/0x10 [ 44.261320][ T293] ? do_sys_open+0x100/0x100 [ 44.261406][ T293] ? __x64_sys_umount+0x12e/0x180 [ 44.261461][ T293] __x64_sys_openat+0x13a/0x170 [ 44.261544][ T293] x64_sys_call+0xe69/0x2ee0 [ 44.261607][ T293] do_syscall_64+0x57/0xf0 [ 44.261672][ T293] ? clear_bhb_loop+0x50/0xa0 [ 44.261753][ T293] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.261830][ T293] RIP: 0033:0x7f3b2f59d2bc [ 44.261892][ T293] 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 [ 44.261939][ T293] RSP: 002b:00007ffc1da896d0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 44.262018][ T293] RAX: ffffffffffffffda RBX: 00007f3b2f634314 RCX: 00007f3b2f59d2bc [ 44.262070][ T293] RDX: 0000000000090800 RSI: 00007ffc1da8a880 RDI: 00000000ffffff9c [ 44.262107][ T293] RBP: 00007ffc1da8a86c R08: 0000000000000000 R09: 0000000000000000 [ 44.262152][ T293] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1da8a880 [ 44.262194][ T293] R13: 00007f3b2f634314 R14: 000000000000aa88 R15: 00007ffc1da8a8c0 [ 44.262240][ T293] [ 44.262415][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.262513][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.262556][ T310] Workqueue: mld mld_ifc_work [ 44.262622][ T310] Call Trace: [ 44.262643][ T310] [ 44.262664][ T310] __dump_stack+0x21/0x30 [ 44.262742][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.262827][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.262925][ T310] dump_stack+0x19/0x20 [ 44.263022][ T310] should_fail_ex+0x3c2/0x510 [ 44.263089][ T310] should_failslab+0xac/0x100 [ 44.263167][ T310] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.263233][ T310] ? kmem_cache_free+0x1bd/0x4f0 [ 44.263298][ T310] ? __alloc_skb+0x10c/0x360 [ 44.263345][ T310] ? __alloc_skb+0x249/0x360 [ 44.263375][ T310] __alloc_skb+0x10c/0x360 [ 44.263414][ T310] mld_newpack+0x162/0xa10 [ 44.263863][ T310] ? mld_sendpack+0xd10/0xd10 [ 44.264034][ T310] ? add_grec+0x1400/0x1400 [ 44.264100][ T310] ? add_grec+0xfa8/0x1400 [ 44.264193][ T310] add_grec+0xf20/0x1400 [ 44.264262][ T310] ? __kasan_check_write+0x18/0x20 [ 44.264328][ T310] ? mutex_lock+0x97/0x1d0 [ 44.264416][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.264562][ T310] mld_ifc_work+0x71d/0xc40 [ 44.264628][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.264705][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.264792][ T310] worker_thread+0xc99/0x13f0 [ 44.264859][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.264926][ T310] ? __kasan_check_read+0x15/0x20 [ 44.265003][ T310] kthread+0x2c7/0x360 [ 44.265089][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.265144][ T310] ? __cfi_kthread+0x10/0x10 [ 44.265203][ T310] ret_from_fork+0x67/0xa0 [ 44.265307][ T310] ? __cfi_kthread+0x10/0x10 [ 44.265400][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.265484][ T310] [ 44.266093][ T310] FAULT_INJECTION: forcing a failure. [ 44.266093][ T310] name failslab, interval 1, probability 10, space 0, times 65 [ 44.271838][ T298] FAULT_INJECTION: forcing a failure. [ 44.271838][ T298] name failslab, interval 1, probability 10, space 0, times 65 [ 44.282270][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.282363][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.282407][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.282573][ T12] Call Trace: [ 44.282594][ T12] [ 44.282625][ T12] __dump_stack+0x21/0x30 [ 44.282714][ T12] dump_stack_lvl+0x140/0x1c0 [ 44.282799][ T12] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.282877][ T12] ? ip6_output+0x1fe/0x420 [ 44.282957][ T12] ? __cfi_ip6_output+0x10/0x10 [ 44.283026][ T12] dump_stack+0x19/0x20 [ 44.283102][ T12] should_fail_ex+0x3c2/0x510 [ 44.283196][ T12] should_failslab+0xac/0x100 [ 44.283294][ T12] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.283359][ T12] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 44.283427][ T12] ? __alloc_skb+0x10c/0x360 [ 44.283515][ T12] __alloc_skb+0x10c/0x360 [ 44.283593][ T12] ndisc_ns_create+0x2c0/0x8d0 [ 44.283656][ T12] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.283730][ T12] ? __mod_timer+0x881/0xd20 [ 44.283798][ T12] ? __cfi_ndisc_ns_create+0x10/0x10 [ 44.283863][ T12] ndisc_send_ns+0xbb/0x160 [ 44.283927][ T12] ? __cfi_ndisc_send_ns+0x10/0x10 [ 44.283999][ T12] addrconf_dad_work+0xa0e/0x1550 [ 44.284067][ T12] ? __cfi_addrconf_dad_work+0x10/0x10 [ 44.284132][ T12] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 44.284197][ T12] ? kick_pool+0xb9/0x540 [ 44.284267][ T12] process_scheduled_works+0x7f7/0x1060 [ 44.284342][ T12] worker_thread+0xc99/0x13f0 [ 44.284426][ T12] kthread+0x2c7/0x360 [ 44.284494][ T12] ? __cfi_worker_thread+0x10/0x10 [ 44.284557][ T12] ? __cfi_kthread+0x10/0x10 [ 44.284641][ T12] ret_from_fork+0x67/0xa0 [ 44.284728][ T12] ? __cfi_kthread+0x10/0x10 [ 44.284816][ T12] ret_from_fork_asm+0x1a/0x30 [ 44.284894][ T12] [ 44.288083][ C0] ref_tracker: memory allocation failure, unreliable refcount tracker. [ 44.304755][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.304863][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.304897][ T31] Workqueue: mld mld_ifc_work [ 44.305058][ T31] Call Trace: [ 44.305072][ T31] [ 44.305090][ T31] __dump_stack+0x21/0x30 [ 44.305135][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.305190][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.305320][ T31] dump_stack+0x19/0x20 [ 44.305719][ T31] should_fail_ex+0x3c2/0x510 [ 44.305785][ T31] should_failslab+0xac/0x100 [ 44.305860][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.305923][ T31] ? __alloc_skb+0x10c/0x360 [ 44.306091][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.306164][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.306225][ T31] __alloc_skb+0x10c/0x360 [ 44.306300][ T31] mld_newpack+0x162/0xa10 [ 44.306368][ T31] ? mld_sendpack+0xd10/0xd10 [ 44.306625][ T31] ? add_grec+0x1400/0x1400 [ 44.306713][ T31] ? add_grec+0xfa8/0x1400 [ 44.306779][ T31] add_grec+0xf20/0x1400 [ 44.306847][ T31] ? __kasan_check_write+0x18/0x20 [ 44.306923][ T31] ? mutex_lock+0x97/0x1d0 [ 44.307006][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.307085][ T31] mld_ifc_work+0x71d/0xc40 [ 44.307148][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.307223][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.307298][ T31] worker_thread+0xc99/0x13f0 [ 44.307349][ T31] kthread+0x2c7/0x360 [ 44.307413][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.307953][ T31] ? __cfi_kthread+0x10/0x10 [ 44.308044][ T31] ret_from_fork+0x67/0xa0 [ 44.308470][ T31] ? __cfi_kthread+0x10/0x10 [ 44.308596][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.308667][ T31] [ 44.311653][ T31] FAULT_INJECTION: forcing a failure. [ 44.311653][ T31] name failslab, interval 1, probability 10, space 0, times 59 [ 44.312675][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.312786][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.312823][ T286] Call Trace: [ 44.312845][ T286] [ 44.312878][ T286] __dump_stack+0x21/0x30 [ 44.312958][ T286] dump_stack_lvl+0x140/0x1c0 [ 44.312987][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.313011][ T286] ? _raw_spin_trylock+0xb5/0x140 [ 44.313030][ T286] ? __cfi__raw_spin_trylock+0x10/0x10 [ 44.313071][ T286] dump_stack+0x19/0x20 [ 44.313164][ T286] should_fail_ex+0x3c2/0x510 [ 44.313243][ T286] should_failslab+0xac/0x100 [ 44.313314][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.313390][ T286] ? __alloc_skb+0x10c/0x360 [ 44.313494][ T286] __alloc_skb+0x10c/0x360 [ 44.313574][ T286] ? tcp_current_mss+0x539/0x8b0 [ 44.313633][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 44.313701][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 44.313782][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 44.313862][ T286] ? __kasan_check_write+0x18/0x20 [ 44.313928][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 44.313983][ T286] ? folio_unlock+0x137/0x1b0 [ 44.314072][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 44.314152][ T286] ? avc_has_perm+0x155/0x240 [ 44.314274][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.314331][ T286] tcp_sendmsg+0x3e/0xd0 [ 44.314388][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.315882][ T286] inet_sendmsg+0xb7/0x120 [ 44.316008][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 44.316083][ T286] sock_write_iter+0x3bf/0x490 [ 44.316159][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 44.316245][ T286] vfs_write+0x762/0xfd0 [ 44.316310][ T286] ? __cfi_vfs_write+0x10/0x10 [ 44.316377][ T286] ? __kasan_check_read+0x15/0x20 [ 44.316546][ T286] ksys_write+0x145/0x260 [ 44.316611][ T286] ? __cfi_ksys_write+0x10/0x10 [ 44.316678][ T286] ? __kasan_check_read+0x15/0x20 [ 44.316736][ T286] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.316843][ T286] __x64_sys_write+0x7f/0x90 [ 44.316916][ T286] x64_sys_call+0x271c/0x2ee0 [ 44.316960][ T286] do_syscall_64+0x57/0xf0 [ 44.317027][ T286] ? clear_bhb_loop+0x50/0xa0 [ 44.317134][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.317212][ T286] RIP: 0033:0x7fce9a759117 [ 44.317274][ T286] 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 [ 44.317321][ T286] RSP: 002b:00007ffd9f002a30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 44.317387][ T286] RAX: ffffffffffffffda RBX: 000055557df26500 RCX: 00007fce9a759117 [ 44.317487][ T286] RDX: 00000000000015e0 RSI: 00007fce977fea20 RDI: 0000000000000003 [ 44.317532][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.317567][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000015e0 [ 44.317609][ T286] R13: 000055557df3e0a0 R14: 00007ffd9f002fd0 R15: 00007fce977fea20 [ 44.317670][ T286] [ 44.322335][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.322751][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.322803][ T310] Workqueue: mld mld_ifc_work [ 44.322883][ T310] Call Trace: [ 44.322899][ T310] [ 44.322927][ T310] __dump_stack+0x21/0x30 [ 44.323009][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.323101][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.323189][ T310] dump_stack+0x19/0x20 [ 44.323259][ T310] should_fail_ex+0x3c2/0x510 [ 44.323348][ T310] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.323648][ T310] should_failslab+0xac/0x100 [ 44.323692][ T310] kmem_cache_alloc_noprof+0x42/0x410 [ 44.323758][ T310] ? kasan_save_alloc_info+0x3a/0x50 [ 44.323844][ T310] ? dst_alloc+0x13c/0x240 [ 44.323913][ T310] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.323977][ T310] dst_alloc+0x13c/0x240 [ 44.324046][ T310] icmp6_dst_alloc+0xef/0x4f0 [ 44.324102][ T310] mld_sendpack+0x5ac/0xd10 [ 44.324286][ T310] ? add_grec+0x1400/0x1400 [ 44.324310][ T310] ? add_grec+0xfa8/0x1400 [ 44.324332][ T310] ? __asan_memcpy+0x5a/0x80 [ 44.324366][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.324440][ T310] mld_ifc_work+0x7cc/0xc40 [ 44.324484][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.324807][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.325221][ T310] worker_thread+0xc99/0x13f0 [ 44.325345][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.325426][ T310] ? __kasan_check_read+0x15/0x20 [ 44.325491][ T310] kthread+0x2c7/0x360 [ 44.325584][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.325649][ T310] ? __cfi_kthread+0x10/0x10 [ 44.325727][ T310] ret_from_fork+0x67/0xa0 [ 44.325814][ T310] ? __cfi_kthread+0x10/0x10 [ 44.325887][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.325953][ T310] [ 44.327675][ T310] FAULT_INJECTION: forcing a failure. [ 44.327675][ T310] name failslab, interval 1, probability 10, space 0, times 57 [ 44.332449][ T99] FAULT_INJECTION: forcing a failure. [ 44.332449][ T99] name failslab, interval 1, probability 10, space 0, times 57 [ 44.337664][ T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.337758][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.337806][ T297] Call Trace: [ 44.337826][ T297] [ 44.337858][ T297] __dump_stack+0x21/0x30 [ 44.337957][ T297] dump_stack_lvl+0x140/0x1c0 [ 44.338351][ T297] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.338438][ T297] ? _printk+0xde/0x140 [ 44.338696][ T297] ? __cfi__printk+0x10/0x10 [ 44.338773][ T297] dump_stack+0x19/0x20 [ 44.338866][ T297] should_fail_ex+0x3c2/0x510 [ 44.338975][ T297] should_failslab+0xac/0x100 [ 44.339078][ T297] kmem_cache_alloc_noprof+0x42/0x410 [ 44.339145][ T297] ? getname_flags+0xcc/0x6b0 [ 44.339254][ T297] getname_flags+0xcc/0x6b0 [ 44.339364][ T297] vfs_fstatat+0xcb/0x1d0 [ 44.339464][ T297] __se_sys_newfstatat+0x127/0x3c0 [ 44.339563][ T297] ? __x64_sys_newfstatat+0xc0/0xc0 [ 44.339658][ T297] ? __kasan_check_write+0x18/0x20 [ 44.339734][ T297] ? should_fail_ex+0x2a6/0x510 [ 44.339812][ T297] ? should_failslab+0xac/0x100 [ 44.339900][ T297] ? xfd_validate_state+0x68/0x140 [ 44.339997][ T297] ? __kasan_check_write+0x18/0x20 [ 44.340067][ T297] ? fpregs_restore_userregs+0x11c/0x260 [ 44.340145][ T297] __x64_sys_newfstatat+0x9f/0xc0 [ 44.340230][ T297] x64_sys_call+0x1821/0x2ee0 [ 44.340294][ T297] do_syscall_64+0x57/0xf0 [ 44.340368][ T297] ? clear_bhb_loop+0x50/0xa0 [ 44.340455][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.340534][ T297] RIP: 0033:0x7f7f3c19c5da [ 44.340622][ T297] 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 [ 44.340691][ T297] RSP: 002b:00007ffe055af8d8 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 44.340778][ T297] RAX: ffffffffffffffda RBX: 00007f7f3c234314 RCX: 00007f7f3c19c5da [ 44.340824][ T297] RDX: 00007ffe055af900 RSI: 00007ffe055af990 RDI: 00000000ffffff9c [ 44.340874][ T297] RBP: 00007ffe055af990 R08: 00007ffe055b0990 R09: 00000000ffffffff [ 44.340919][ T297] R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffe055b0a20 [ 44.340962][ T297] R13: 00007f7f3c234314 R14: 000000000000ab40 R15: 00007ffe055b0a60 [ 44.341042][ T297] [ 44.342277][ T286] FAULT_INJECTION: forcing a failure. [ 44.342277][ T286] name failslab, interval 1, probability 10, space 0, times 56 [ 44.342325][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.342355][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.342368][ T286] Call Trace: [ 44.342375][ T286] [ 44.342401][ T286] __dump_stack+0x21/0x30 [ 44.342534][ T286] dump_stack_lvl+0x140/0x1c0 [ 44.342628][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.342713][ T286] ? dequeue_entity+0x2ea/0x13b0 [ 44.342797][ T286] dump_stack+0x19/0x20 [ 44.342880][ T286] should_fail_ex+0x3c2/0x510 [ 44.342948][ T286] should_failslab+0xac/0x100 [ 44.343037][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.343114][ T286] ? sched_clock+0x44/0x60 [ 44.343199][ T286] ? __alloc_skb+0x10c/0x360 [ 44.343293][ T286] __alloc_skb+0x10c/0x360 [ 44.343359][ T286] ? tcp_current_mss+0x539/0x8b0 [ 44.343429][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 44.343483][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 44.343566][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 44.343667][ T286] ? __kasan_check_write+0x18/0x20 [ 44.343722][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 44.343785][ T286] ? __kasan_check_write+0x18/0x20 [ 44.343858][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 44.343919][ T286] ? avc_has_perm+0x155/0x240 [ 44.344221][ T286] ? hrtimer_reprogram+0x336/0x3d0 [ 44.344332][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.344405][ T286] tcp_sendmsg+0x3e/0xd0 [ 44.344470][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.344557][ T286] inet_sendmsg+0xb7/0x120 [ 44.344632][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 44.344705][ T286] sock_write_iter+0x3bf/0x490 [ 44.344784][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 44.344862][ T286] ? usleep_range_state+0x150/0x150 [ 44.344944][ T286] vfs_write+0x762/0xfd0 [ 44.345047][ T286] ? __cfi_vfs_write+0x10/0x10 [ 44.345130][ T286] ? _copy_from_user+0x87/0xa0 [ 44.345217][ T286] ? __kasan_check_read+0x15/0x20 [ 44.345281][ T286] ksys_write+0x145/0x260 [ 44.345344][ T286] ? xfd_validate_state+0x68/0x140 [ 44.345454][ T286] ? __cfi_ksys_write+0x10/0x10 [ 44.345549][ T286] ? __kasan_check_write+0x18/0x20 [ 44.345613][ T286] ? fpregs_restore_userregs+0x11c/0x260 [ 44.345689][ T286] __x64_sys_write+0x7f/0x90 [ 44.345771][ T286] x64_sys_call+0x271c/0x2ee0 [ 44.345827][ T286] do_syscall_64+0x57/0xf0 [ 44.345905][ T286] ? clear_bhb_loop+0x50/0xa0 [ 44.345977][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.346051][ T286] RIP: 0033:0x7fce9a759117 [ 44.346114][ T286] 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 [ 44.346169][ T286] RSP: 002b:00007ffd9f002a30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 44.346247][ T286] RAX: ffffffffffffffda RBX: 000055557df26500 RCX: 00007fce9a759117 [ 44.346298][ T286] RDX: 00000000000015e0 RSI: 00007fce977fea20 RDI: 0000000000000003 [ 44.346339][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.346390][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000015e0 [ 44.346549][ T286] R13: 000055557df3e0a0 R14: 00007ffd9f002fd0 R15: 00007fce977fea20 [ 44.346571][ T286] [ 44.372260][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.372383][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.372439][ T310] Workqueue: mld mld_ifc_work [ 44.372538][ T310] Call Trace: [ 44.372571][ T310] [ 44.372598][ T310] __dump_stack+0x21/0x30 [ 44.372796][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.372890][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.372964][ T310] dump_stack+0x19/0x20 [ 44.373041][ T310] should_fail_ex+0x3c2/0x510 [ 44.373123][ T310] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.373189][ T310] should_failslab+0xac/0x100 [ 44.373306][ T310] kmem_cache_alloc_noprof+0x42/0x410 [ 44.373394][ T310] ? kasan_save_alloc_info+0x3a/0x50 [ 44.373499][ T310] ? dst_alloc+0x13c/0x240 [ 44.373571][ T310] ? __cfi_ip6_dst_gc+0x10/0x10 [ 44.373643][ T310] dst_alloc+0x13c/0x240 [ 44.373725][ T310] icmp6_dst_alloc+0xef/0x4f0 [ 44.373792][ T310] mld_sendpack+0x5ac/0xd10 [ 44.373867][ T310] ? add_grec+0x1400/0x1400 [ 44.373937][ T310] ? add_grec+0xfa8/0x1400 [ 44.374009][ T310] ? __asan_memcpy+0x5a/0x80 [ 44.374089][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.374176][ T310] mld_ifc_work+0x7cc/0xc40 [ 44.374241][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.374327][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.374431][ T310] worker_thread+0xc99/0x13f0 [ 44.374511][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.374584][ T310] ? __kasan_check_read+0x15/0x20 [ 44.374663][ T310] kthread+0x2c7/0x360 [ 44.374756][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.374887][ T310] ? __cfi_kthread+0x10/0x10 [ 44.374977][ T310] ret_from_fork+0x67/0xa0 [ 44.375096][ T310] ? __cfi_kthread+0x10/0x10 [ 44.375184][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.375264][ T310] [ 44.376832][ T286] FAULT_INJECTION: forcing a failure. [ 44.376832][ T286] name failslab, interval 1, probability 10, space 0, times 50 [ 44.383723][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.383847][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.384412][ T31] Workqueue: mld mld_ifc_work [ 44.384450][ T31] Call Trace: [ 44.384458][ T31] [ 44.384469][ T31] __dump_stack+0x21/0x30 [ 44.384525][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.384621][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.384702][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 44.384787][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 44.384862][ T31] ? dst_alloc+0x163/0x240 [ 44.385016][ T31] dump_stack+0x19/0x20 [ 44.385095][ T31] should_fail_ex+0x3c2/0x510 [ 44.385162][ T31] should_failslab+0xac/0x100 [ 44.385239][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 44.385347][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 44.385411][ T31] ? dst_init+0x329/0x430 [ 44.385461][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 44.385541][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 44.385617][ T31] mld_sendpack+0x5ac/0xd10 [ 44.385689][ T31] ? add_grec+0x1400/0x1400 [ 44.385752][ T31] ? add_grec+0xfa8/0x1400 [ 44.385807][ T31] ? __asan_memcpy+0x5a/0x80 [ 44.385870][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.385977][ T31] mld_ifc_work+0x7cc/0xc40 [ 44.386039][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.386106][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.386183][ T31] worker_thread+0xc99/0x13f0 [ 44.386256][ T31] kthread+0x2c7/0x360 [ 44.386320][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.386381][ T31] ? __cfi_kthread+0x10/0x10 [ 44.386451][ T31] ret_from_fork+0x67/0xa0 [ 44.386522][ T31] ? __cfi_kthread+0x10/0x10 [ 44.386590][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.386645][ T31] [ 44.387688][ T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.387794][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.387840][ T298] Call Trace: [ 44.387864][ T298] [ 44.387910][ T298] __dump_stack+0x21/0x30 [ 44.388079][ T298] dump_stack_lvl+0x140/0x1c0 [ 44.388173][ T298] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.388276][ T298] dump_stack+0x19/0x20 [ 44.388360][ T298] should_fail_ex+0x3c2/0x510 [ 44.388437][ T298] should_failslab+0xac/0x100 [ 44.388507][ T298] kmem_cache_alloc_noprof+0x42/0x410 [ 44.388578][ T298] ? folio_rotate_reclaimable+0x160/0x160 [ 44.388661][ T298] ? vm_area_dup+0x3f/0x560 [ 44.388741][ T298] vm_area_dup+0x3f/0x560 [ 44.388813][ T298] ? __split_vma+0x1b8/0xc10 [ 44.388892][ T298] __split_vma+0x1ce/0xc10 [ 44.388936][ T298] ? __kasan_check_read+0x15/0x20 [ 44.388991][ T298] ? vms_gather_munmap_vmas+0xd90/0xd90 [ 44.389124][ T298] vms_gather_munmap_vmas+0x2a2/0xd90 [ 44.389224][ T298] ? __kasan_check_write+0x18/0x20 [ 44.389302][ T298] ? _raw_spin_lock+0x92/0x120 [ 44.389384][ T298] do_vmi_align_munmap+0x251/0x5f0 [ 44.389458][ T298] ? __kasan_check_write+0x18/0x20 [ 44.389532][ T298] ? __cfi_do_vmi_align_munmap+0x10/0x10 [ 44.389624][ T298] __se_sys_brk+0x82c/0xfa0 [ 44.389698][ T298] ? __x64_sys_brk+0x60/0x60 [ 44.389767][ T298] ? __x64_sys_getdents64+0xa0/0xa0 [ 44.389860][ T298] ? __kasan_check_read+0x15/0x20 [ 44.389922][ T298] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.390026][ T298] __x64_sys_brk+0x3c/0x60 [ 44.390095][ T298] x64_sys_call+0x25f0/0x2ee0 [ 44.390162][ T298] do_syscall_64+0x57/0xf0 [ 44.390235][ T298] ? clear_bhb_loop+0x50/0xa0 [ 44.390332][ T298] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.390429][ T298] RIP: 0033:0x7f948019d4b7 [ 44.390642][ T298] Code: 44 00 00 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 b8 0c 00 00 00 0f 05 <48> 89 05 52 fb db 00 48 39 f8 72 0d 31 c0 c3 66 2e 0f 1f 84 00 00 [ 44.390718][ T298] RSP: 002b:00007ffcec3126d8 EFLAGS: 00000206 ORIG_RAX: 000000000000000c [ 44.391026][ T298] RAX: ffffffffffffffda RBX: ffffffffffff8000 RCX: 00007f948019d4b7 [ 44.391078][ T298] RDX: fffffffffffff000 RSI: 000055558e4cb910 RDI: 000055558e4ec000 [ 44.391123][ T298] RBP: 000055558e4f4000 R08: 00000000000206b0 R09: 0000000000000001 [ 44.391163][ T298] R10: 00007f94803f1e20 R11: 0000000000000206 R12: 000055558e4f4000 [ 44.391206][ T298] R13: 0000000000000016 R14: 0000000000000802 R15: 000055558e4b0e90 [ 44.391270][ T298] [ 44.391566][ T298] FAULT_INJECTION: forcing a failure. [ 44.391566][ T298] name failslab, interval 1, probability 10, space 0, times 48 [ 44.394224][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.394259][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.394271][ T286] Call Trace: [ 44.394280][ T286] [ 44.394293][ T286] __dump_stack+0x21/0x30 [ 44.394328][ T286] dump_stack_lvl+0x140/0x1c0 [ 44.394399][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.394521][ T286] ? skb_network_protocol+0x533/0x7a0 [ 44.394634][ T286] ? __cfi_skb_network_protocol+0x10/0x10 [ 44.394729][ T286] dump_stack+0x19/0x20 [ 44.394805][ T286] should_fail_ex+0x3c2/0x510 [ 44.394884][ T286] should_failslab+0xac/0x100 [ 44.395054][ T286] kmem_cache_alloc_noprof+0x42/0x410 [ 44.395132][ T286] ? skb_clone+0x21d/0x470 [ 44.395198][ T286] skb_clone+0x21d/0x470 [ 44.395261][ T286] dev_queue_xmit_nit+0x251/0xac0 [ 44.395303][ T286] dev_hard_start_xmit+0x19e/0x730 [ 44.395391][ T286] sch_direct_xmit+0x27d/0x9c0 [ 44.395463][ T286] ? __kasan_check_write+0x18/0x20 [ 44.395526][ T286] ? _raw_spin_trylock+0xb5/0x140 [ 44.395592][ T286] ? __cfi_sch_direct_xmit+0x10/0x10 [ 44.395662][ T286] ? netdev_core_pick_tx+0x1ff/0x370 [ 44.395749][ T286] ? __dev_queue_xmit+0x26c/0x3780 [ 44.395846][ T286] __dev_queue_xmit+0x1611/0x3780 [ 44.395967][ T286] ? __dev_queue_xmit+0x26c/0x3780 [ 44.396056][ T286] ? __cfi___update_load_avg_cfs_rq+0x10/0x10 [ 44.396148][ T286] ? update_curr+0xf1/0x9c0 [ 44.396213][ T286] ? __cfi___dev_queue_xmit+0x10/0x10 [ 44.396292][ T286] ? kvm_sched_clock_read+0x15/0x30 [ 44.396381][ T286] ? sched_clock_noinstr+0xd/0x30 [ 44.396473][ T286] ? __kasan_check_read+0x15/0x20 [ 44.396532][ T286] ? selinux_ip_postroute+0x291/0xfe0 [ 44.396600][ T286] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 44.396676][ T286] ? __asan_memcpy+0x5a/0x80 [ 44.396733][ T286] ip_finish_output2+0xb82/0xfb0 [ 44.396787][ T286] ? __cfi_ip_finish_output2+0x10/0x10 [ 44.396846][ T286] ? skb_gso_validate_network_len+0x13b/0x2c0 [ 44.396932][ T286] __ip_finish_output+0x17b/0x3e0 [ 44.396990][ T286] ip_finish_output+0x35/0x360 [ 44.397079][ T286] ? ip_output+0x306/0x330 [ 44.397193][ T286] ip_output+0x1a1/0x330 [ 44.397275][ T286] ? __cfi_ip_output+0x10/0x10 [ 44.397365][ T286] ? __cfi_ip_finish_output+0x10/0x10 [ 44.397441][ T286] ? ipv4_dst_check+0xfc/0x170 [ 44.397523][ T286] ? __cfi_ip_output+0x10/0x10 [ 44.397628][ T286] __ip_queue_xmit+0x134d/0x1f70 [ 44.397718][ T286] ? __kasan_check_read+0x15/0x20 [ 44.397784][ T286] ip_queue_xmit+0x51/0x70 [ 44.397838][ T286] ? __cfi_ip_queue_xmit+0x10/0x10 [ 44.397894][ T286] __tcp_transmit_skb+0x23aa/0x38f0 [ 44.397969][ T286] ? kasan_save_alloc_info+0x3a/0x50 [ 44.398070][ T286] ? __tcp_send_ack+0x6b0/0x6b0 [ 44.398140][ T286] ? __kasan_check_read+0x15/0x20 [ 44.398206][ T286] ? tcp_small_queue_check+0x213/0x430 [ 44.398276][ T286] tcp_write_xmit+0x1a41/0x6d20 [ 44.398347][ T286] ? __alloc_pages_noprof+0x35a/0x7e0 [ 44.398445][ T286] __tcp_push_pending_frames+0x9d/0x300 [ 44.398510][ T286] ? tcp_push+0x401/0x670 [ 44.398558][ T286] tcp_push+0x488/0x670 [ 44.398607][ T286] tcp_sendmsg_locked+0x3fce/0x4ac0 [ 44.398694][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 44.398758][ T286] ? avc_has_perm+0x155/0x240 [ 44.398826][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.398893][ T286] tcp_sendmsg+0x3e/0xd0 [ 44.398966][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.399015][ T286] inet_sendmsg+0xb7/0x120 [ 44.399082][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 44.399152][ T286] sock_write_iter+0x3bf/0x490 [ 44.399227][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 44.399307][ T286] vfs_write+0x762/0xfd0 [ 44.399351][ T286] ? __cfi_vfs_write+0x10/0x10 [ 44.399732][ T286] ? __kasan_check_read+0x15/0x20 [ 44.399889][ T286] ksys_write+0x145/0x260 [ 44.400175][ T286] ? __cfi_ksys_write+0x10/0x10 [ 44.400258][ T286] ? __kasan_check_read+0x15/0x20 [ 44.400312][ T286] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.400389][ T286] __x64_sys_write+0x7f/0x90 [ 44.400412][ T286] x64_sys_call+0x271c/0x2ee0 [ 44.400432][ T286] do_syscall_64+0x57/0xf0 [ 44.400455][ T286] ? clear_bhb_loop+0x50/0xa0 [ 44.400624][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.400714][ T286] RIP: 0033:0x7fce9a759117 [ 44.400769][ T286] 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 [ 44.400823][ T286] RSP: 002b:00007ffd9f002a30 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 44.400887][ T286] RAX: ffffffffffffffda RBX: 000055557df26500 RCX: 00007fce9a759117 [ 44.400926][ T286] RDX: 0000000000009128 RSI: 00007fce967f6ed8 RDI: 0000000000000003 [ 44.400970][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.401004][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000009128 [ 44.401045][ T286] R13: 000055557df3dcf0 R14: 00007ffd9f002fd0 R15: 00007fce967f6ed8 [ 44.401100][ T286] [ 44.403719][ T310] FAULT_INJECTION: forcing a failure. [ 44.403719][ T310] name failslab, interval 1, probability 10, space 0, times 45 [ 44.410249][ T31] FAULT_INJECTION: forcing a failure. [ 44.410249][ T31] name failslab, interval 1, probability 10, space 0, times 43 [ 44.420735][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.420862][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.421505][ T310] Workqueue: mld mld_ifc_work [ 44.421649][ T310] Call Trace: [ 44.421701][ T310] [ 44.421738][ T310] __dump_stack+0x21/0x30 [ 44.421832][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.421970][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.422094][ T310] dump_stack+0x19/0x20 [ 44.422186][ T310] should_fail_ex+0x3c2/0x510 [ 44.422292][ T310] should_failslab+0xac/0x100 [ 44.422371][ T310] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.423130][ T310] ? kmem_cache_free+0x1bd/0x4f0 [ 44.423199][ T310] ? __alloc_skb+0x10c/0x360 [ 44.423292][ T310] ? __alloc_skb+0x249/0x360 [ 44.423383][ T310] __alloc_skb+0x10c/0x360 [ 44.423471][ T310] mld_newpack+0x162/0xa10 [ 44.423596][ T310] ? mld_sendpack+0xd10/0xd10 [ 44.423672][ T310] ? add_grec+0x1400/0x1400 [ 44.423740][ T310] ? add_grec+0xfa8/0x1400 [ 44.423815][ T310] add_grec+0xf20/0x1400 [ 44.423882][ T310] ? __kasan_check_write+0x18/0x20 [ 44.423950][ T310] ? mutex_lock+0x97/0x1d0 [ 44.424048][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.424136][ T310] mld_ifc_work+0x71d/0xc40 [ 44.424212][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.424286][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.424375][ T310] worker_thread+0xc99/0x13f0 [ 44.424455][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.424519][ T310] ? __kasan_check_read+0x15/0x20 [ 44.424588][ T310] kthread+0x2c7/0x360 [ 44.424662][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.424752][ T310] ? __cfi_kthread+0x10/0x10 [ 44.424825][ T310] ret_from_fork+0x67/0xa0 [ 44.424937][ T310] ? __cfi_kthread+0x10/0x10 [ 44.425036][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.425110][ T310] [ 44.425979][ T310] FAULT_INJECTION: forcing a failure. [ 44.425979][ T310] name failslab, interval 1, probability 10, space 0, times 42 [ 44.452338][ T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.452475][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.452519][ T298] Call Trace: [ 44.452541][ T298] [ 44.452572][ T298] __dump_stack+0x21/0x30 [ 44.453248][ T298] dump_stack_lvl+0x140/0x1c0 [ 44.453395][ T298] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.453516][ T298] dump_stack+0x19/0x20 [ 44.453889][ T298] should_fail_ex+0x3c2/0x510 [ 44.453995][ T298] should_failslab+0xac/0x100 [ 44.454101][ T298] kmem_cache_alloc_noprof+0x42/0x410 [ 44.454172][ T298] ? getname_flags+0xcc/0x6b0 [ 44.454307][ T298] getname_flags+0xcc/0x6b0 [ 44.454392][ T298] user_path_at+0x2b/0x60 [ 44.454488][ T298] __x64_sys_umount+0xfa/0x180 [ 44.454551][ T298] ? __cfi___x64_sys_umount+0x10/0x10 [ 44.454611][ T298] ? __kasan_check_read+0x15/0x20 [ 44.454690][ T298] x64_sys_call+0x2ab8/0x2ee0 [ 44.454750][ T298] do_syscall_64+0x57/0xf0 [ 44.455445][ T298] ? clear_bhb_loop+0x50/0xa0 [ 44.455485][ T298] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.456323][ T298] RIP: 0033:0x7f948019f1d7 [ 44.456402][ T298] Code: a2 c7 05 1c 35 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 44.456456][ T298] RSP: 002b:00007ffcec313878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 44.456532][ T298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f948019f1d7 [ 44.456630][ T298] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcec313930 [ 44.456672][ T298] RBP: 00007ffcec313930 R08: 00007ffcec314930 R09: 00000000ffffffff [ 44.456718][ T298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcec3149c0 [ 44.456753][ T298] R13: 00007f9480234314 R14: 000000000000ac24 R15: 00007ffcec314a00 [ 44.456818][ T298] [ 44.457589][ T298] FAULT_INJECTION: forcing a failure. [ 44.457589][ T298] name failslab, interval 1, probability 10, space 0, times 41 [ 44.468904][ T286] FAULT_INJECTION: forcing a failure. [ 44.468904][ T286] name failslab, interval 1, probability 10, space 0, times 41 [ 44.485618][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.485748][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.485792][ T31] Workqueue: mld mld_ifc_work [ 44.485881][ T31] Call Trace: [ 44.485902][ T31] [ 44.485935][ T31] __dump_stack+0x21/0x30 [ 44.486025][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.486111][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.486208][ T31] dump_stack+0x19/0x20 [ 44.486271][ T31] should_fail_ex+0x3c2/0x510 [ 44.486348][ T31] should_failslab+0xac/0x100 [ 44.486430][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.486505][ T31] ? __alloc_skb+0x10c/0x360 [ 44.486583][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.486679][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.486736][ T31] __alloc_skb+0x10c/0x360 [ 44.486821][ T31] mld_newpack+0x162/0xa10 [ 44.486898][ T31] ? mld_sendpack+0xd10/0xd10 [ 44.487001][ T31] ? add_grec+0x1400/0x1400 [ 44.487020][ T31] ? add_grec+0xfa8/0x1400 [ 44.487037][ T31] add_grec+0xf20/0x1400 [ 44.487055][ T31] ? __kasan_check_write+0x18/0x20 [ 44.487071][ T31] ? mutex_lock+0x97/0x1d0 [ 44.487093][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.487214][ T31] mld_ifc_work+0x71d/0xc40 [ 44.487684][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.487763][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.487840][ T31] worker_thread+0xc99/0x13f0 [ 44.488033][ T31] kthread+0x2c7/0x360 [ 44.488103][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.488168][ T31] ? __cfi_kthread+0x10/0x10 [ 44.488234][ T31] ret_from_fork+0x67/0xa0 [ 44.488323][ T31] ? __cfi_kthread+0x10/0x10 [ 44.488397][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.488427][ T31] [ 44.490696][ T31] FAULT_INJECTION: forcing a failure. [ 44.490696][ T31] name failslab, interval 1, probability 10, space 0, times 35 [ 44.490788][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.490814][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.490828][ T31] Workqueue: mld mld_ifc_work [ 44.490856][ T31] Call Trace: [ 44.490864][ T31] [ 44.490872][ T31] __dump_stack+0x21/0x30 [ 44.490907][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.491115][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.491406][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 44.491551][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 44.491576][ T31] ? dst_alloc+0x163/0x240 [ 44.491621][ T31] dump_stack+0x19/0x20 [ 44.491725][ T31] should_fail_ex+0x3c2/0x510 [ 44.491794][ T31] should_failslab+0xac/0x100 [ 44.491881][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 44.491947][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 44.492032][ T31] ? dst_init+0x329/0x430 [ 44.492310][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 44.492389][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 44.492463][ T31] mld_sendpack+0x5ac/0xd10 [ 44.492542][ T31] ? add_grec+0x1400/0x1400 [ 44.492605][ T31] ? add_grec+0xfa8/0x1400 [ 44.492663][ T31] ? __asan_memcpy+0x5a/0x80 [ 44.492729][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.492824][ T31] mld_ifc_work+0x7cc/0xc40 [ 44.492890][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.492976][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.493113][ T31] worker_thread+0xc99/0x13f0 [ 44.493189][ T31] kthread+0x2c7/0x360 [ 44.493265][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.493333][ T31] ? __cfi_kthread+0x10/0x10 [ 44.493401][ T31] ret_from_fork+0x67/0xa0 [ 44.493489][ T31] ? __cfi_kthread+0x10/0x10 [ 44.493564][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.493629][ T31] [ 44.493974][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.494080][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.494126][ T99] Call Trace: [ 44.494156][ T99] [ 44.494179][ T99] __dump_stack+0x21/0x30 [ 44.494275][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.494366][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.494452][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 44.494531][ T99] dump_stack+0x19/0x20 [ 44.494621][ T99] should_fail_ex+0x3c2/0x510 [ 44.494697][ T99] should_failslab+0xac/0x100 [ 44.494774][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 44.494841][ T99] ? sock_alloc_inode+0x48/0x150 [ 44.494968][ T99] sock_alloc_inode+0x48/0x150 [ 44.495043][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 44.495130][ T99] alloc_inode+0x7a/0x270 [ 44.495203][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 44.495265][ T99] new_inode_pseudo+0x19/0x40 [ 44.495330][ T99] __sock_create+0x130/0x810 [ 44.495412][ T99] __sys_socket+0xe1/0x1c0 [ 44.495528][ T99] __x64_sys_socket+0x7e/0x90 [ 44.495600][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.495672][ T99] do_syscall_64+0x57/0xf0 [ 44.495761][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.495854][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.495943][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.496027][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.496083][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.496157][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ca54b0707 [ 44.496202][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.496244][ T99] RBP: 00007f2ca553c560 R08: 0000000000000073 R09: 0000000000000001 [ 44.496289][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.496324][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000022 R15: 00007fffbaa3bd20 [ 44.496377][ T99] [ 44.496410][ T99] socket: no more sockets [ 44.504062][ T299] FAULT_INJECTION: forcing a failure. [ 44.504062][ T299] name failslab, interval 1, probability 10, space 0, times 34 [ 44.513353][ T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.513470][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.513504][ T298] Call Trace: [ 44.513524][ T298] [ 44.513547][ T298] __dump_stack+0x21/0x30 [ 44.513649][ T298] dump_stack_lvl+0x140/0x1c0 [ 44.513725][ T298] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.513815][ T298] ? path_umount+0x34a/0xf60 [ 44.513864][ T298] dump_stack+0x19/0x20 [ 44.513948][ T298] should_fail_ex+0x3c2/0x510 [ 44.514013][ T298] should_failslab+0xac/0x100 [ 44.514087][ T298] kmem_cache_alloc_noprof+0x42/0x410 [ 44.514150][ T298] ? getname_flags+0xcc/0x6b0 [ 44.514223][ T298] getname_flags+0xcc/0x6b0 [ 44.514287][ T298] __x64_sys_unlink+0x3e/0x60 [ 44.514370][ T298] x64_sys_call+0x286c/0x2ee0 [ 44.514429][ T298] do_syscall_64+0x57/0xf0 [ 44.514493][ T298] ? clear_bhb_loop+0x50/0xa0 [ 44.514576][ T298] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.514650][ T298] RIP: 0033:0x7f948019d087 [ 44.514702][ T298] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 44.514750][ T298] RSP: 002b:00007ffcec313878 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 44.514812][ T298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f948019d087 [ 44.514882][ T298] RDX: 00007ffcec3138a0 RSI: 00007ffcec313930 RDI: 00007ffcec313930 [ 44.514926][ T298] RBP: 00007ffcec313930 R08: 00007ffcec314930 R09: 00000000ffffffff [ 44.514968][ T298] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffcec3149c0 [ 44.515010][ T298] R13: 00007f9480234314 R14: 000000000000ac24 R15: 00007ffcec314a00 [ 44.515062][ T298] [ 44.523878][ T31] FAULT_INJECTION: forcing a failure. [ 44.523878][ T31] name failslab, interval 1, probability 10, space 0, times 31 [ 44.532544][ T299] CPU: 0 UID: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.532584][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.532639][ T299] Call Trace: [ 44.532676][ T299] [ 44.532715][ T299] __dump_stack+0x21/0x30 [ 44.532855][ T299] dump_stack_lvl+0x140/0x1c0 [ 44.532943][ T299] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.533024][ T299] dump_stack+0x19/0x20 [ 44.533124][ T299] should_fail_ex+0x3c2/0x510 [ 44.533192][ T299] should_failslab+0xac/0x100 [ 44.533308][ T299] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.533376][ T299] ? __kasan_check_write+0x18/0x20 [ 44.533442][ T299] ? __alloc_skb+0x10c/0x360 [ 44.533527][ T299] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 44.533559][ T299] __alloc_skb+0x10c/0x360 [ 44.533594][ T299] inet6_rt_notify+0x351/0x520 [ 44.533662][ T299] ? __cfi_inet6_rt_notify+0x10/0x10 [ 44.533729][ T299] ? call_fib_notifiers+0xa4/0xc0 [ 44.533825][ T299] fib6_del+0xba0/0xf50 [ 44.533915][ T299] ? __cfi_fib6_del+0x10/0x10 [ 44.533993][ T299] ? is_bpf_text_address+0x17b/0x1a0 [ 44.534090][ T299] ? kernel_text_address+0xa9/0xe0 [ 44.534179][ T299] ? fib6_ifdown+0x2f1/0x4f0 [ 44.534244][ T299] fib6_clean_node+0x2b9/0x560 [ 44.534332][ T299] ? __cfi_fib6_clean_node+0x10/0x10 [ 44.534413][ T299] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.534499][ T299] ? stack_depot_save_flags+0x399/0x800 [ 44.534562][ T299] ? kasan_save_track+0x4f/0x80 [ 44.534633][ T299] ? kasan_save_track+0x3e/0x80 [ 44.534699][ T299] fib6_walk_continue+0x51b/0x740 [ 44.534786][ T299] __fib6_clean_all+0x2a2/0x440 [ 44.534932][ T299] ? __cfi_fib6_ifdown+0x10/0x10 [ 44.535008][ T299] ? fib6_clean_all+0x50/0x50 [ 44.535091][ T299] ? __cfi_fib6_clean_node+0x10/0x10 [ 44.535175][ T299] ? __cfi_fib6_ifdown+0x10/0x10 [ 44.535239][ T299] ? __cfi_fib6_ifdown+0x10/0x10 [ 44.535300][ T299] fib6_clean_all+0x2e/0x50 [ 44.535375][ T299] rt6_disable_ip+0x124/0x810 [ 44.535438][ T299] ? __queue_work+0xb67/0x1130 [ 44.535513][ T299] ? __cfi_rt6_disable_ip+0x10/0x10 [ 44.535928][ T299] ? __kasan_check_read+0x15/0x20 [ 44.536014][ T299] addrconf_ifdown+0x161/0x1970 [ 44.536086][ T299] ? x64_sys_call+0x2ed2/0x2ee0 [ 44.536140][ T299] ? __try_to_del_timer_sync+0x2e8/0x440 [ 44.536264][ T299] ? addrconf_cleanup+0x150/0x150 [ 44.536326][ T299] ? __kasan_check_write+0x18/0x20 [ 44.536390][ T299] ? mutex_unlock+0x90/0x240 [ 44.536476][ T299] ? __cfi_mutex_unlock+0x10/0x10 [ 44.536554][ T299] ? __cfi_device_cmp+0x10/0x10 [ 44.536630][ T299] ? masq_device_event+0xe0/0xe0 [ 44.536703][ T299] addrconf_notify+0x17a/0xeb0 [ 44.537010][ T299] ? ip6mr_device_event+0x1ed/0x230 [ 44.537091][ T299] ? __cfi_addrconf_notify+0x10/0x10 [ 44.537231][ T299] notifier_call_chain+0x106/0x2b0 [ 44.537548][ T299] raw_notifier_call_chain+0x31/0x40 [ 44.537613][ T299] dev_close_many+0x332/0x4f0 [ 44.537679][ T299] ? __cfi_dev_close_many+0x10/0x10 [ 44.537723][ T299] ? __kasan_check_read+0x15/0x20 [ 44.537771][ T299] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 44.537855][ T299] ? __queue_work+0xb67/0x1130 [ 44.537939][ T299] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 44.538026][ T299] ? __queue_delayed_work+0x18e/0x240 [ 44.538103][ T299] ? queue_delayed_work_on+0x16f/0x1f0 [ 44.538187][ T299] ? __kasan_check_read+0x15/0x20 [ 44.538631][ T299] unregister_netdevice_queue+0x302/0x350 [ 44.538725][ T299] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 44.538801][ T299] ? linkwatch_fire_event+0x212/0x260 [ 44.538887][ T299] __tun_detach+0xc98/0x1450 [ 44.538957][ T299] ? __cfi_tun_chr_close+0x10/0x10 [ 44.539055][ T299] tun_chr_close+0x93/0x150 [ 44.539108][ T299] __fput+0x208/0xa30 [ 44.539182][ T299] ____fput+0x20/0x30 [ 44.539249][ T299] task_work_run+0x1e8/0x260 [ 44.539330][ T299] ? __cfi_task_work_run+0x10/0x10 [ 44.539405][ T299] ? free_nsproxy+0x223/0x290 [ 44.539490][ T299] do_exit+0xa46/0x2850 [ 44.539576][ T299] ? __cfi_do_exit+0x10/0x10 [ 44.539651][ T299] ? __kasan_check_write+0x18/0x20 [ 44.539713][ T299] ? _raw_spin_lock_irq+0x93/0x120 [ 44.539777][ T299] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.539841][ T299] ? __cfi_ksys_write+0x10/0x10 [ 44.539904][ T299] ? zap_other_threads+0x32f/0x370 [ 44.539972][ T299] do_group_exit+0x21f/0x2f0 [ 44.540058][ T299] __x64_sys_exit_group+0x43/0x50 [ 44.540136][ T299] x64_sys_call+0x2ed2/0x2ee0 [ 44.540196][ T299] do_syscall_64+0x57/0xf0 [ 44.540267][ T299] ? clear_bhb_loop+0x50/0xa0 [ 44.540401][ T299] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.541130][ T299] RIP: 0033:0x7f8c3459df99 [ 44.541244][ T299] Code: Unable to access opcode bytes at 0x7f8c3459df6f. [ 44.541295][ T299] RSP: 002b:00007ffc0c961788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.541360][ T299] RAX: ffffffffffffffda RBX: 00007f8c34634320 RCX: 00007f8c3459df99 [ 44.541403][ T299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.541455][ T299] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f8c34634314 [ 44.541496][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0c962a40 [ 44.541532][ T299] R13: 00007f8c34634314 R14: 000000000000aaa8 R15: 00007ffc0c963b10 [ 44.541609][ T299] [ 44.542524][ T286] CPU: 0 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.542629][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.542699][ T286] Call Trace: [ 44.542741][ T286] [ 44.542777][ T286] __dump_stack+0x21/0x30 [ 44.542882][ T286] dump_stack_lvl+0x140/0x1c0 [ 44.542975][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.543071][ T286] dump_stack+0x19/0x20 [ 44.543177][ T286] should_fail_ex+0x3c2/0x510 [ 44.543263][ T286] should_failslab+0xac/0x100 [ 44.543350][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.543438][ T286] ? __alloc_skb+0x10c/0x360 [ 44.543536][ T286] __alloc_skb+0x10c/0x360 [ 44.543615][ T286] ? tcp_current_mss+0x539/0x8b0 [ 44.543700][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 44.543765][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 44.543830][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 44.543908][ T286] ? __kasan_check_write+0x18/0x20 [ 44.543967][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 44.544047][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 44.544119][ T286] ? avc_has_perm+0x155/0x240 [ 44.544195][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.544253][ T286] tcp_sendmsg+0x3e/0xd0 [ 44.544316][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 44.544372][ T286] inet_sendmsg+0xb7/0x120 [ 44.544461][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 44.544527][ T286] sock_write_iter+0x3bf/0x490 [ 44.544601][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 44.544680][ T286] vfs_write+0x762/0xfd0 [ 44.544754][ T286] ? __cfi_vfs_write+0x10/0x10 [ 44.544829][ T286] ? __kasan_check_read+0x15/0x20 [ 44.544889][ T286] ksys_write+0x145/0x260 [ 44.544956][ T286] ? __cfi_ksys_write+0x10/0x10 [ 44.545020][ T286] ? __kasan_check_write+0x18/0x20 [ 44.545093][ T286] ? fpregs_restore_userregs+0x11c/0x260 [ 44.545185][ T286] __x64_sys_write+0x7f/0x90 [ 44.545263][ T286] x64_sys_call+0x271c/0x2ee0 [ 44.545327][ T286] do_syscall_64+0x57/0xf0 [ 44.545393][ T286] ? clear_bhb_loop+0x50/0xa0 [ 44.545491][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.545567][ T286] RIP: 0033:0x7fce9a759117 [ 44.545622][ T286] 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 [ 44.545687][ T286] RSP: 002b:00007ffd9f002990 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 44.545752][ T286] RAX: ffffffffffffffda RBX: 000055557df26500 RCX: 00007fce9a759117 [ 44.545808][ T286] RDX: 0000000000000038 RSI: 000055557df3a738 RDI: 0000000000000003 [ 44.545852][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.545894][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 44.545922][ T286] R13: 000055557df3a738 R14: ffffffffffffffe8 R15: 00007ffd9f002fd0 [ 44.545963][ T286] [ 44.546124][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.546206][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.546249][ T310] Workqueue: mld mld_ifc_work [ 44.546315][ T310] Call Trace: [ 44.546329][ T310] [ 44.547177][ T310] __dump_stack+0x21/0x30 [ 44.547311][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.548529][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.549155][ T310] dump_stack+0x19/0x20 [ 44.549306][ T310] should_fail_ex+0x3c2/0x510 [ 44.549376][ T310] should_failslab+0xac/0x100 [ 44.549461][ T310] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.549544][ T310] ? __alloc_skb+0x10c/0x360 [ 44.549639][ T310] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.549734][ T310] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.549818][ T310] __alloc_skb+0x10c/0x360 [ 44.550108][ T310] mld_newpack+0x162/0xa10 [ 44.550235][ T310] ? mld_sendpack+0xd10/0xd10 [ 44.550304][ T310] ? add_grec+0x1400/0x1400 [ 44.550372][ T310] ? add_grec+0xfa8/0x1400 [ 44.550452][ T310] add_grec+0xf20/0x1400 [ 44.550517][ T310] ? __kasan_check_write+0x18/0x20 [ 44.550583][ T310] ? mutex_lock+0x97/0x1d0 [ 44.550681][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.550769][ T310] mld_ifc_work+0x71d/0xc40 [ 44.550838][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.550909][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.551206][ T310] worker_thread+0xc99/0x13f0 [ 44.551291][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.551492][ T310] ? __kasan_check_read+0x15/0x20 [ 44.551558][ T310] kthread+0x2c7/0x360 [ 44.551636][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.551703][ T310] ? __cfi_kthread+0x10/0x10 [ 44.551781][ T310] ret_from_fork+0x67/0xa0 [ 44.551857][ T310] ? __cfi_kthread+0x10/0x10 [ 44.551882][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.551905][ T310] [ 44.554151][ T99] FAULT_INJECTION: forcing a failure. [ 44.554151][ T99] name failslab, interval 1, probability 10, space 0, times 29 [ 44.583729][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.583844][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.583886][ T31] Workqueue: mld mld_ifc_work [ 44.583981][ T31] Call Trace: [ 44.584001][ T31] [ 44.584023][ T31] __dump_stack+0x21/0x30 [ 44.584120][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.584205][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.584281][ T31] ? ref_tracker_alloc+0x356/0x5b0 [ 44.584363][ T31] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 44.584435][ T31] ? dst_alloc+0x163/0x240 [ 44.585610][ T31] dump_stack+0x19/0x20 [ 44.585704][ T31] should_fail_ex+0x3c2/0x510 [ 44.585731][ T31] should_failslab+0xac/0x100 [ 44.585810][ T31] __kmalloc_cache_noprof+0x41/0x470 [ 44.585835][ T31] ? dst_cow_metrics_generic+0x65/0x2a0 [ 44.585861][ T31] ? dst_init+0x329/0x430 [ 44.585887][ T31] dst_cow_metrics_generic+0x65/0x2a0 [ 44.585967][ T31] icmp6_dst_alloc+0x313/0x4f0 [ 44.586059][ T31] mld_sendpack+0x5ac/0xd10 [ 44.586162][ T31] ? add_grec+0x1400/0x1400 [ 44.586619][ T31] ? add_grec+0xfa8/0x1400 [ 44.586691][ T31] ? __asan_memcpy+0x5a/0x80 [ 44.586716][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.586776][ T31] mld_ifc_work+0x7cc/0xc40 [ 44.586859][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.586956][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.587066][ T31] worker_thread+0xc99/0x13f0 [ 44.587157][ T31] kthread+0x2c7/0x360 [ 44.587544][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.587630][ T31] ? __cfi_kthread+0x10/0x10 [ 44.587691][ T31] ret_from_fork+0x67/0xa0 [ 44.587790][ T31] ? __cfi_kthread+0x10/0x10 [ 44.587859][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.590709][ T31] [ 44.591055][ T31] FAULT_INJECTION: forcing a failure. [ 44.591055][ T31] name failslab, interval 1, probability 10, space 0, times 24 [ 44.595210][ T310] FAULT_INJECTION: forcing a failure. [ 44.595210][ T310] name failslab, interval 1, probability 10, space 0, times 23 [ 44.605663][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.605770][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.605820][ T31] Workqueue: mld mld_ifc_work [ 44.605877][ T31] Call Trace: [ 44.605957][ T31] [ 44.605981][ T31] __dump_stack+0x21/0x30 [ 44.606084][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.606813][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.606875][ T31] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.606901][ T31] dump_stack+0x19/0x20 [ 44.606927][ T31] should_fail_ex+0x3c2/0x510 [ 44.606968][ T31] should_failslab+0xac/0x100 [ 44.607045][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.607120][ T31] ? __rcu_read_unlock+0xc0/0xc0 [ 44.607197][ T31] ? __alloc_skb+0x10c/0x360 [ 44.607286][ T31] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.607463][ T31] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.609459][ T31] __alloc_skb+0x10c/0x360 [ 44.609589][ T31] mld_newpack+0x162/0xa10 [ 44.609667][ T31] ? mld_sendpack+0xd10/0xd10 [ 44.609740][ T31] ? add_grec+0x1400/0x1400 [ 44.609805][ T31] ? add_grec+0xfa8/0x1400 [ 44.609870][ T31] add_grec+0xf20/0x1400 [ 44.609922][ T31] ? __kasan_check_write+0x18/0x20 [ 44.609987][ T31] ? mutex_lock+0x97/0x1d0 [ 44.610072][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.610157][ T31] mld_ifc_work+0x71d/0xc40 [ 44.610216][ T31] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.610339][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.610443][ T31] worker_thread+0xc99/0x13f0 [ 44.610524][ T31] kthread+0x2c7/0x360 [ 44.610600][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.610665][ T31] ? __cfi_kthread+0x10/0x10 [ 44.610739][ T31] ret_from_fork+0x67/0xa0 [ 44.610836][ T31] ? __cfi_kthread+0x10/0x10 [ 44.610905][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.610972][ T31] [ 44.613985][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.614102][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.614143][ T99] Call Trace: [ 44.614164][ T99] [ 44.614196][ T99] __dump_stack+0x21/0x30 [ 44.614299][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.614400][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.614490][ T99] ? __cfi_check_preempt_wakeup_fair+0x10/0x10 [ 44.614549][ T99] ? ttwu_do_activate+0x620/0x620 [ 44.614628][ T99] dump_stack+0x19/0x20 [ 44.614707][ T99] should_fail_ex+0x3c2/0x510 [ 44.614785][ T99] should_failslab+0xac/0x100 [ 44.616383][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.616536][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 44.616716][ T99] ? __alloc_skb+0x10c/0x360 [ 44.616805][ T99] __alloc_skb+0x10c/0x360 [ 44.616902][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 44.617022][ T99] ? autoremove_wake_function+0x3b/0x110 [ 44.617728][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 44.617817][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 44.617911][ T99] ? __kasan_check_write+0x18/0x20 [ 44.617979][ T99] ? _raw_spin_lock+0x92/0x120 [ 44.618086][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 44.618172][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 44.618274][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 44.618363][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 44.618484][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 44.620564][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 44.620703][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 44.620810][ T99] __sys_sendto+0x68d/0x700 [ 44.620982][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 44.621120][ T99] ? selinux_socket_connect+0x27/0x40 [ 44.621204][ T99] ? __cfi___sys_connect+0x10/0x10 [ 44.621307][ T99] ? fd_install+0x246/0x400 [ 44.621388][ T99] ? __sys_socket+0x16d/0x1c0 [ 44.621490][ T99] __x64_sys_sendto+0xe9/0x100 [ 44.621585][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 44.621653][ T99] do_syscall_64+0x57/0xf0 [ 44.621725][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.621797][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.621826][ T99] RIP: 0033:0x7f2ca5435407 [ 44.621847][ T99] 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 [ 44.621868][ T99] RSP: 002b:00007fffbaa3bbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 44.621915][ T99] RAX: ffffffffffffffda RBX: 00007f2ca52e5c80 RCX: 00007f2ca5435407 [ 44.621974][ T99] RDX: 0000000000000049 RSI: 00007fffbaa3bd20 RDI: 0000000000000003 [ 44.622029][ T99] RBP: 00007fffbaa3c150 R08: 0000000000000000 R09: 0000000000000000 [ 44.622062][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbaa3c168 [ 44.622116][ T99] R13: 00007fffbaa3bd20 R14: 000000000000002e R15: 00007fffbaa3bd20 [ 44.622174][ T99] [ 44.623507][ T99] FAULT_INJECTION: forcing a failure. [ 44.623507][ T99] name failslab, interval 1, probability 10, space 0, times 17 [ 44.632425][ C0] FAULT_INJECTION: forcing a failure. [ 44.632425][ C0] name failslab, interval 1, probability 10, space 0, times 17 [ 44.637623][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.638054][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.638127][ T99] Call Trace: [ 44.638161][ T99] [ 44.638188][ T99] __dump_stack+0x21/0x30 [ 44.638330][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.639125][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.639337][ T99] dump_stack+0x19/0x20 [ 44.639421][ T99] should_fail_ex+0x3c2/0x510 [ 44.639857][ T99] should_failslab+0xac/0x100 [ 44.640124][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 44.640197][ T99] ? sk_prot_alloc+0x69/0x3a0 [ 44.640676][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 44.640789][ T99] sk_prot_alloc+0x69/0x3a0 [ 44.640892][ T99] sk_alloc+0x40/0x590 [ 44.641170][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 44.641261][ T99] unix_create1+0xb7/0x760 [ 44.641345][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 44.641800][ T99] unix_create+0x15a/0x220 [ 44.641938][ T99] __sock_create+0x3a5/0x810 [ 44.642049][ T99] __sys_socket+0xe1/0x1c0 [ 44.642158][ T99] __x64_sys_socket+0x7e/0x90 [ 44.642250][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.642324][ T99] do_syscall_64+0x57/0xf0 [ 44.642401][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.642494][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.642588][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.642644][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.642706][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.642781][ T99] RAX: ffffffffffffffda RBX: 0000000000000049 RCX: 00007f2ca54b0707 [ 44.642829][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.642879][ T99] RBP: 00007f2ca553c560 R08: 0000000000000000 R09: 0000000000000000 [ 44.642926][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.642973][ T99] R13: 00007fffbaa3bd20 R14: 000000000000002e R15: 00007fffbaa3bd20 [ 44.643025][ T99] [ 44.644025][ T99] FAULT_INJECTION: forcing a failure. [ 44.644025][ T99] name failslab, interval 1, probability 10, space 0, times 16 [ 44.644780][ C0] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.645140][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.645186][ C0] Workqueue: mld mld_ifc_work [ 44.645265][ C0] Call Trace: [ 44.645289][ C0] [ 44.645318][ C0] __dump_stack+0x21/0x30 [ 44.645409][ C0] dump_stack_lvl+0x140/0x1c0 [ 44.645497][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.645580][ C0] ? skb_network_protocol+0x533/0x7a0 [ 44.645662][ C0] ? raise_softirq+0x81/0xe0 [ 44.646012][ C0] ? __cfi_raise_softirq+0x10/0x10 [ 44.646044][ C0] ? sched_clock_cpu+0x75/0x400 [ 44.646126][ C0] ? __cfi_skb_network_protocol+0x10/0x10 [ 44.646223][ C0] dump_stack+0x19/0x20 [ 44.646326][ C0] should_fail_ex+0x3c2/0x510 [ 44.646409][ C0] should_failslab+0xac/0x100 [ 44.646828][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 44.646906][ C0] ? skb_clone+0x21d/0x470 [ 44.646945][ C0] skb_clone+0x21d/0x470 [ 44.646966][ C0] dev_queue_xmit_nit+0x251/0xac0 [ 44.647488][ C0] dev_hard_start_xmit+0x19e/0x730 [ 44.647578][ C0] sch_direct_xmit+0x27d/0x9c0 [ 44.647642][ C0] ? __kasan_check_write+0x18/0x20 [ 44.647706][ C0] ? _raw_spin_trylock+0xb5/0x140 [ 44.647776][ C0] ? __cfi_sch_direct_xmit+0x10/0x10 [ 44.647833][ C0] ? netdev_core_pick_tx+0x1ff/0x370 [ 44.647883][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 44.647909][ C0] __dev_queue_xmit+0x1611/0x3780 [ 44.647966][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 44.648066][ C0] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 44.648165][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 44.648252][ C0] ? __cfi___dev_queue_xmit+0x10/0x10 [ 44.648360][ C0] ? update_stack_state+0x8a/0x4d0 [ 44.648460][ C0] ? __kasan_check_read+0x15/0x20 [ 44.648537][ C0] ? selinux_ip_postroute+0x291/0xfe0 [ 44.648613][ C0] ? __cfi_selinux_ip_postroute+0x10/0x10 [ 44.648666][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 44.648734][ C0] ? __asan_memcpy+0x5a/0x80 [ 44.648792][ C0] ip_finish_output2+0xb82/0xfb0 [ 44.648866][ C0] ? __cfi_ip_finish_output2+0x10/0x10 [ 44.649145][ C0] ? ip_skb_dst_mtu+0x4b2/0x670 [ 44.649262][ C0] __ip_finish_output+0x17b/0x3e0 [ 44.649326][ C0] ip_finish_output+0x35/0x360 [ 44.649495][ C0] ? ip_output+0x306/0x330 [ 44.649586][ C0] ip_output+0x1a1/0x330 [ 44.649693][ C0] ? __cfi_ip_output+0x10/0x10 [ 44.649790][ C0] ? __cfi_ip_finish_output+0x10/0x10 [ 44.649886][ C0] ? ipv4_dst_check+0xfc/0x170 [ 44.649919][ C0] ? __cfi_ip_output+0x10/0x10 [ 44.649950][ C0] __ip_queue_xmit+0x134d/0x1f70 [ 44.650042][ C0] ? __kasan_check_read+0x15/0x20 [ 44.650113][ C0] ip_queue_xmit+0x51/0x70 [ 44.650172][ C0] ? __cfi_ip_queue_xmit+0x10/0x10 [ 44.650233][ C0] __tcp_transmit_skb+0x23aa/0x38f0 [ 44.650313][ C0] ? ip_local_deliver_finish+0x272/0x470 [ 44.650428][ C0] ? mld_ifc_work+0x71d/0xc40 [ 44.650494][ C0] ? __tcp_send_ack+0x6b0/0x6b0 [ 44.650575][ C0] ? ret_from_fork+0x67/0xa0 [ 44.650704][ C0] ? __kasan_check_read+0x15/0x20 [ 44.650765][ C0] ? tcp_small_queue_check+0x213/0x430 [ 44.650837][ C0] tcp_write_xmit+0x1a41/0x6d20 [ 44.650903][ C0] ? tcp_data_queue+0x101/0x6710 [ 44.651011][ C0] __tcp_push_pending_frames+0x9d/0x300 [ 44.651090][ C0] tcp_rcv_established+0xe23/0x1d30 [ 44.651186][ C0] ? bpf_lsm_socket_sock_rcv_skb+0xd/0x20 [ 44.651268][ C0] ? security_sock_rcv_skb+0x39/0xf0 [ 44.651364][ C0] ? sk_filter_trim_cap+0x469/0x7d0 [ 44.651512][ C0] ? __cfi_tcp_rcv_established+0x10/0x10 [ 44.651618][ C0] ? ipv4_dst_check+0xfc/0x170 [ 44.651689][ C0] tcp_v4_do_rcv+0x49a/0xbb0 [ 44.651785][ C0] tcp_v4_rcv+0x285b/0x3390 [ 44.651854][ C0] ? inet_lookup_ifaddr_rcu+0x156/0x1a0 [ 44.651948][ C0] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 44.652022][ C0] ? __inet_lookup_established+0x730/0x760 [ 44.652099][ C0] ? get_stack_info+0x3e/0x100 [ 44.652207][ C0] ? __cfi_tcp_v4_rcv+0x10/0x10 [ 44.652290][ C0] ip_protocol_deliver_rcu+0x1c6/0x390 [ 44.652385][ C0] ip_local_deliver_finish+0x272/0x470 [ 44.652630][ C0] ip_local_deliver+0x1e0/0x360 [ 44.652716][ C0] ? __cfi_ip_local_deliver+0x10/0x10 [ 44.652821][ C0] ? ip_rcv_finish_core+0xae1/0x1460 [ 44.652903][ C0] ? __cfi_ip_local_deliver+0x10/0x10 [ 44.653008][ C0] ip_sublist_rcv+0x83a/0x9b0 [ 44.653114][ C0] ? ip_list_rcv+0x450/0x450 [ 44.653190][ C0] ? tcp_gro_receive+0x291/0x1e60 [ 44.653287][ C0] ? __asan_memset+0x39/0x50 [ 44.653378][ C0] ? ip_rcv_core+0x833/0xd00 [ 44.654173][ C0] ip_list_rcv+0x3e8/0x450 [ 44.654242][ C0] ? ret_from_fork+0x67/0xa0 [ 44.654321][ C0] ? __cfi_ip_list_rcv+0x10/0x10 [ 44.654381][ C0] ? dev_gro_receive+0x1296/0x22a0 [ 44.654721][ C0] ? __cfi_ip_list_rcv+0x10/0x10 [ 44.654836][ C0] __netif_receive_skb_list_core+0x830/0x880 [ 44.654971][ C0] ? set_rps_cpu+0x670/0x670 [ 44.655204][ C0] ? virtnet_receive_done+0x1146/0x1a30 [ 44.655412][ C0] netif_receive_skb_list_internal+0x847/0xb00 [ 44.655712][ C0] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 44.655883][ C0] ? receive_buf+0xb12/0x1080 [ 44.655966][ C0] napi_complete_done+0x323/0x790 [ 44.656289][ C0] ? __cfi_napi_complete_done+0x10/0x10 [ 44.656446][ C0] ? virtqueue_get_buf_ctx+0x47b/0xcf0 [ 44.656542][ C0] ? virtqueue_enable_cb_prepare+0x213/0x500 [ 44.656625][ C0] virtnet_poll+0x27df/0x3190 [ 44.656770][ C0] ? irq_exit_rcu+0xd/0x30 [ 44.656833][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 44.656999][ C0] ? console_unlock+0xf8/0x2c0 [ 44.657031][ C0] ? vprintk_default+0x2a/0x40 [ 44.657059][ C0] ? _printk+0xde/0x140 [ 44.657091][ C0] ? should_failslab+0xac/0x100 [ 44.657198][ C0] ? __alloc_skb+0x10c/0x360 [ 44.657279][ C0] ? add_grec+0xf20/0x1400 [ 44.657301][ C0] ? mld_ifc_work+0x71d/0xc40 [ 44.657385][ C0] ? ret_from_fork+0x67/0xa0 [ 44.657487][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 44.657559][ C0] ? __cfi_virtnet_poll+0x10/0x10 [ 44.657641][ C0] ? kasan_save_free_info+0x44/0x50 [ 44.657736][ C0] ? __kasan_mempool_poison_object+0xca/0x120 [ 44.657850][ C0] ? napi_consume_skb+0x14e/0x2b0 [ 44.657958][ C0] __napi_poll+0xd0/0x600 [ 44.658061][ C0] net_rx_action+0x5dc/0xd70 [ 44.658439][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 44.658534][ C0] ? sched_clock_cpu+0x75/0x400 [ 44.659040][ C0] ? sched_clock+0x44/0x60 [ 44.659166][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 44.659251][ C0] handle_softirqs+0x1aa/0x620 [ 44.659318][ C0] __irq_exit_rcu+0x47/0xb0 [ 44.659336][ C0] irq_exit_rcu+0xd/0x30 [ 44.659352][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 44.659466][ C0] [ 44.659488][ C0] [ 44.659510][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 44.659610][ C0] RIP: 0010:console_flush_all+0x6fd/0xab0 [ 44.659709][ 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 [ 44.659763][ C0] RSP: 0018:ffffc9000b777460 EFLAGS: 00000293 [ 44.659835][ C0] RAX: ffffffff8168e788 RBX: ffffffff878f48b8 RCX: ffff888131e61300 [ 44.659879][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.659921][ C0] RBP: ffffc9000b777590 R08: 0000000000000003 R09: 0000000000000004 [ 44.659955][ C0] R10: dffffc0000000000 R11: fffff520016eee7c R12: dffffc0000000000 [ 44.660005][ C0] R13: ffffffff878f4860 R14: ffffffff878f48b8 R15: 0000000000000001 [ 44.660049][ C0] ? console_flush_all+0x6f8/0xab0 [ 44.660134][ C0] ? console_flush_all+0x771/0xab0 [ 44.660212][ C0] ? __console_rewind_all+0x170/0x170 [ 44.660299][ C0] ? __kasan_check_read+0x15/0x20 [ 44.660360][ C0] ? is_printk_cpu_sync_owner+0x39/0x50 [ 44.660454][ C0] ? is_printk_legacy_deferred+0x5c/0x70 [ 44.660516][ C0] console_unlock+0xf8/0x2c0 [ 44.660589][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.660664][ C0] ? __cfi_console_unlock+0x10/0x10 [ 44.661114][ C0] ? asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 44.661245][ C0] ? vprintk_emit+0x53f/0x650 [ 44.661349][ C0] vprintk_emit+0x282/0x650 [ 44.661457][ C0] ? __cfi_vprintk_emit+0x10/0x10 [ 44.661540][ C0] ? __show_trace_log_lvl+0x334/0x420 [ 44.661621][ C0] ? raw_irqentry_exit_cond_resched+0x32/0x40 [ 44.661700][ C0] vprintk_default+0x2a/0x40 [ 44.661802][ C0] vprintk+0x93/0xa0 [ 44.661862][ C0] _printk+0xde/0x140 [ 44.662191][ C0] ? __cfi__printk+0x10/0x10 [ 44.662281][ C0] should_fail_ex+0x3a4/0x510 [ 44.662349][ C0] should_failslab+0xac/0x100 [ 44.662724][ C0] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.662811][ C0] ? __alloc_skb+0x10c/0x360 [ 44.662899][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.662925][ C0] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.662944][ C0] __alloc_skb+0x10c/0x360 [ 44.662971][ C0] mld_newpack+0x162/0xa10 [ 44.663070][ C0] ? mld_sendpack+0xd10/0xd10 [ 44.663155][ C0] ? add_grec+0x1400/0x1400 [ 44.663212][ C0] ? add_grec+0xfa8/0x1400 [ 44.663285][ C0] add_grec+0xf20/0x1400 [ 44.663350][ C0] ? __kasan_check_write+0x18/0x20 [ 44.663464][ C0] ? mutex_lock+0x97/0x1d0 [ 44.663543][ C0] ? __cfi_mutex_lock+0x10/0x10 [ 44.663631][ C0] mld_ifc_work+0x71d/0xc40 [ 44.663696][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.663775][ C0] process_scheduled_works+0x7f7/0x1060 [ 44.663883][ C0] worker_thread+0xc99/0x13f0 [ 44.664165][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.664189][ C0] ? __kasan_check_read+0x15/0x20 [ 44.664212][ C0] kthread+0x2c7/0x360 [ 44.664255][ C0] ? __cfi_worker_thread+0x10/0x10 [ 44.664353][ C0] ? __cfi_kthread+0x10/0x10 [ 44.664426][ C0] ret_from_fork+0x67/0xa0 [ 44.664511][ C0] ? __cfi_kthread+0x10/0x10 [ 44.664586][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.664707][ C0] [ 44.668161][ T299] FAULT_INJECTION: forcing a failure. [ 44.668161][ T299] name failslab, interval 1, probability 10, space 0, times 15 [ 44.682940][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.683044][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.683073][ T99] Call Trace: [ 44.683095][ T99] [ 44.683125][ T99] __dump_stack+0x21/0x30 [ 44.683237][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.683507][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.683606][ T99] dump_stack+0x19/0x20 [ 44.683704][ T99] should_fail_ex+0x3c2/0x510 [ 44.683782][ T99] should_failslab+0xac/0x100 [ 44.683860][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 44.683945][ T99] ? security_inode_alloc+0x51/0x230 [ 44.684035][ T99] security_inode_alloc+0x51/0x230 [ 44.684119][ T99] inode_init_always_gfp+0x756/0x9e0 [ 44.684225][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 44.684346][ T99] alloc_inode+0xc5/0x270 [ 44.684409][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 44.684483][ T99] new_inode_pseudo+0x19/0x40 [ 44.684569][ T99] __sock_create+0x130/0x810 [ 44.684665][ T99] __sys_socket+0xe1/0x1c0 [ 44.684761][ T99] __x64_sys_socket+0x7e/0x90 [ 44.684846][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.684913][ T99] do_syscall_64+0x57/0xf0 [ 44.684997][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.685079][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.685167][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.685240][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.685305][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.685372][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ca54b0707 [ 44.685411][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.685455][ T99] RBP: 00007f2ca553c560 R08: 0000000000000073 R09: 0000000000000001 [ 44.685500][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.685542][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000032 R15: 00007fffbaa3bd20 [ 44.685592][ T99] [ 44.685658][ T99] socket: no more sockets [ 44.688183][ T299] CPU: 0 UID: 0 PID: 299 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.688340][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.688414][ T299] Call Trace: [ 44.688435][ T299] [ 44.688458][ T299] __dump_stack+0x21/0x30 [ 44.688557][ T299] dump_stack_lvl+0x140/0x1c0 [ 44.688643][ T299] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.688721][ T299] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.688798][ T299] ? kvfree_call_rcu+0x40e/0x730 [ 44.688874][ T299] dump_stack+0x19/0x20 [ 44.688961][ T299] should_fail_ex+0x3c2/0x510 [ 44.689038][ T299] should_failslab+0xac/0x100 [ 44.689115][ T299] __kmalloc_cache_noprof+0x41/0x470 [ 44.689181][ T299] ? __dev_set_rx_mode+0x74/0x280 [ 44.689249][ T299] ? igmp6_group_dropped+0x3b7/0xc10 [ 44.689314][ T299] ? _raw_spin_unlock_bh+0x54/0x60 [ 44.689382][ T299] igmp6_group_dropped+0x3b7/0xc10 [ 44.689458][ T299] ? netlink_broadcast_filtered+0x114e/0x11d0 [ 44.689557][ T299] ? __ipv6_dev_mc_inc+0xa30/0xa30 [ 44.689621][ T299] ? mutex_lock+0x97/0x1d0 [ 44.689740][ T299] ? __kasan_check_read+0x15/0x20 [ 44.689806][ T299] __ipv6_dev_mc_dec+0x29f/0x4c0 [ 44.689870][ T299] __ipv6_ifa_notify+0x7b1/0xee0 [ 44.689931][ T299] ? snmp6_fill_stats+0x9b0/0x9b0 [ 44.689998][ T299] ? _raw_spin_lock+0x92/0x120 [ 44.690064][ T299] ? __cfi__raw_spin_lock+0x10/0x10 [ 44.690131][ T299] ? __kasan_check_write+0x18/0x20 [ 44.690187][ T299] ? work_grab_pending+0x301/0x830 [ 44.690270][ T299] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 44.690337][ T299] ? kvfree_call_rcu+0x40e/0x730 [ 44.690424][ T299] ? mod_delayed_work_on+0x140/0x140 [ 44.690517][ T299] ? __kasan_check_write+0x18/0x20 [ 44.690573][ T299] ? _raw_spin_lock_bh+0x96/0x130 [ 44.690639][ T299] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 44.690706][ T299] ? __cancel_work+0x175/0x1f0 [ 44.690791][ T299] addrconf_ifdown+0xe01/0x1970 [ 44.690856][ T299] ? addrconf_cleanup+0x150/0x150 [ 44.691135][ T299] ? __kasan_check_write+0x18/0x20 [ 44.691193][ T299] ? mutex_unlock+0x90/0x240 [ 44.691290][ T299] ? __cfi_mutex_unlock+0x10/0x10 [ 44.691367][ T299] ? __cfi_device_cmp+0x10/0x10 [ 44.691453][ T299] ? masq_device_event+0xe0/0xe0 [ 44.691537][ T299] addrconf_notify+0x17a/0xeb0 [ 44.691606][ T299] ? ip6mr_device_event+0x1ed/0x230 [ 44.691680][ T299] ? __cfi_addrconf_notify+0x10/0x10 [ 44.691755][ T299] notifier_call_chain+0x106/0x2b0 [ 44.691841][ T299] raw_notifier_call_chain+0x31/0x40 [ 44.691909][ T299] dev_close_many+0x332/0x4f0 [ 44.691975][ T299] ? __cfi_dev_close_many+0x10/0x10 [ 44.692044][ T299] ? __kasan_check_read+0x15/0x20 [ 44.692106][ T299] unregister_netdevice_many_notify+0x4bd/0x1be0 [ 44.692227][ T299] ? __queue_work+0xb67/0x1130 [ 44.692280][ T299] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 44.692311][ T299] ? __queue_delayed_work+0x18e/0x240 [ 44.692339][ T299] ? queue_delayed_work_on+0x16f/0x1f0 [ 44.692427][ T299] ? __kasan_check_read+0x15/0x20 [ 44.692516][ T299] unregister_netdevice_queue+0x302/0x350 [ 44.692581][ T299] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 44.692665][ T299] ? linkwatch_fire_event+0x212/0x260 [ 44.692754][ T299] __tun_detach+0xc98/0x1450 [ 44.692820][ T299] ? __cfi_tun_chr_close+0x10/0x10 [ 44.692880][ T299] tun_chr_close+0x93/0x150 [ 44.692928][ T299] __fput+0x208/0xa30 [ 44.693014][ T299] ____fput+0x20/0x30 [ 44.693102][ T299] task_work_run+0x1e8/0x260 [ 44.693185][ T299] ? __cfi_task_work_run+0x10/0x10 [ 44.693287][ T299] ? free_nsproxy+0x223/0x290 [ 44.693373][ T299] do_exit+0xa46/0x2850 [ 44.693468][ T299] ? __cfi_do_exit+0x10/0x10 [ 44.693545][ T299] ? __kasan_check_write+0x18/0x20 [ 44.693619][ T299] ? _raw_spin_lock_irq+0x93/0x120 [ 44.693705][ T299] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.693770][ T299] ? __cfi_ksys_write+0x10/0x10 [ 44.693834][ T299] ? zap_other_threads+0x32f/0x370 [ 44.694164][ T299] do_group_exit+0x21f/0x2f0 [ 44.694297][ T299] __x64_sys_exit_group+0x43/0x50 [ 44.694398][ T299] x64_sys_call+0x2ed2/0x2ee0 [ 44.694469][ T299] do_syscall_64+0x57/0xf0 [ 44.694549][ T299] ? clear_bhb_loop+0x50/0xa0 [ 44.694643][ T299] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.694805][ T299] RIP: 0033:0x7f8c3459df99 [ 44.695040][ T299] Code: Unable to access opcode bytes at 0x7f8c3459df6f. [ 44.695083][ T299] RSP: 002b:00007ffc0c961788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.695554][ T299] RAX: ffffffffffffffda RBX: 00007f8c34634320 RCX: 00007f8c3459df99 [ 44.695616][ T299] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.695651][ T299] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f8c34634314 [ 44.695693][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0c962a40 [ 44.695736][ T299] R13: 00007f8c34634314 R14: 000000000000aaa8 R15: 00007ffc0c963b10 [ 44.695791][ T299] [ 44.697494][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.697617][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.697660][ T310] Workqueue: mld mld_ifc_work [ 44.697766][ T310] Call Trace: [ 44.697787][ T310] [ 44.697809][ T310] __dump_stack+0x21/0x30 [ 44.697910][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.697964][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.698075][ T310] dump_stack+0x19/0x20 [ 44.698165][ T310] should_fail_ex+0x3c2/0x510 [ 44.698231][ T310] should_failslab+0xac/0x100 [ 44.698329][ T310] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.698396][ T310] ? __alloc_skb+0x10c/0x360 [ 44.698478][ T310] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.698579][ T310] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.698635][ T310] __alloc_skb+0x10c/0x360 [ 44.698707][ T310] mld_newpack+0x162/0xa10 [ 44.699089][ T310] ? mld_sendpack+0xd10/0xd10 [ 44.699197][ T310] ? add_grec+0x1400/0x1400 [ 44.699480][ T310] ? add_grec+0xfa8/0x1400 [ 44.699565][ T310] add_grec+0xf20/0x1400 [ 44.700129][ T310] ? __kasan_check_write+0x18/0x20 [ 44.700234][ T310] ? mutex_lock+0x97/0x1d0 [ 44.700326][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.700407][ T310] mld_ifc_work+0x71d/0xc40 [ 44.700488][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.700590][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.700722][ T310] worker_thread+0xc99/0x13f0 [ 44.700826][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.700909][ T310] ? __kasan_check_read+0x15/0x20 [ 44.700979][ T310] kthread+0x2c7/0x360 [ 44.701050][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.701122][ T310] ? __cfi_kthread+0x10/0x10 [ 44.701193][ T310] ret_from_fork+0x67/0xa0 [ 44.701294][ T310] ? __cfi_kthread+0x10/0x10 [ 44.701367][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.701431][ T310] [ 44.701625][ T310] FAULT_INJECTION: forcing a failure. [ 44.701625][ T310] name failslab, interval 1, probability 10, space 0, times 11 [ 44.705640][ T99] FAULT_INJECTION: forcing a failure. [ 44.705640][ T99] name failslab, interval 1, probability 10, space 0, times 11 [ 44.711878][ T310] CPU: 0 UID: 0 PID: 310 Comm: kworker/0:2 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.712075][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.712127][ T310] Workqueue: mld mld_ifc_work [ 44.712213][ T310] Call Trace: [ 44.712235][ T310] [ 44.712259][ T310] __dump_stack+0x21/0x30 [ 44.712355][ T310] dump_stack_lvl+0x140/0x1c0 [ 44.712411][ T310] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.712440][ T310] dump_stack+0x19/0x20 [ 44.712518][ T310] should_fail_ex+0x3c2/0x510 [ 44.712593][ T310] should_failslab+0xac/0x100 [ 44.712669][ T310] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.712736][ T310] ? __alloc_skb+0x10c/0x360 [ 44.712823][ T310] ? __cfi_ip6_finish_output+0x10/0x10 [ 44.712910][ T310] ? __cfi_ip6t_do_table+0x10/0x10 [ 44.712976][ T310] __alloc_skb+0x10c/0x360 [ 44.713018][ T310] mld_newpack+0x162/0xa10 [ 44.713071][ T310] ? mld_sendpack+0xd10/0xd10 [ 44.713136][ T310] ? add_grec+0x1400/0x1400 [ 44.713199][ T310] ? add_grec+0xfa8/0x1400 [ 44.713265][ T310] add_grec+0xf20/0x1400 [ 44.713317][ T310] ? __kasan_check_write+0x18/0x20 [ 44.713380][ T310] ? mutex_lock+0x97/0x1d0 [ 44.713452][ T310] ? __cfi_mutex_lock+0x10/0x10 [ 44.713537][ T310] mld_ifc_work+0x71d/0xc40 [ 44.713630][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 44.713754][ T310] process_scheduled_works+0x7f7/0x1060 [ 44.713841][ T310] worker_thread+0xc99/0x13f0 [ 44.713917][ T310] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.713991][ T310] ? __kasan_check_read+0x15/0x20 [ 44.714075][ T310] kthread+0x2c7/0x360 [ 44.714140][ T310] ? __cfi_worker_thread+0x10/0x10 [ 44.714206][ T310] ? __cfi_kthread+0x10/0x10 [ 44.714272][ T310] ret_from_fork+0x67/0xa0 [ 44.714367][ T310] ? __cfi_kthread+0x10/0x10 [ 44.714420][ T310] ret_from_fork_asm+0x1a/0x30 [ 44.714485][ T310] [ 44.742362][ C0] FAULT_INJECTION: forcing a failure. [ 44.742362][ C0] name failslab, interval 1, probability 10, space 0, times 9 [ 44.755031][ T31] FAULT_INJECTION: forcing a failure. [ 44.755031][ T31] name failslab, interval 1, probability 10, space 0, times 8 [ 44.763185][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.763274][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.763322][ C0] Call Trace: [ 44.763369][ C0] [ 44.763447][ C0] __dump_stack+0x21/0x30 [ 44.763529][ C0] dump_stack_lvl+0x140/0x1c0 [ 44.763611][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.763696][ C0] dump_stack+0x19/0x20 [ 44.763769][ C0] should_fail_ex+0x3c2/0x510 [ 44.763835][ C0] should_failslab+0xac/0x100 [ 44.763920][ C0] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.763983][ C0] ? __alloc_skb+0x10c/0x360 [ 44.764064][ C0] __alloc_skb+0x10c/0x360 [ 44.764135][ C0] wg_packet_send_keepalive+0x66/0x1d0 [ 44.764216][ C0] ? wg_expired_send_persistent_keepalive+0x48/0x80 [ 44.764291][ C0] wg_expired_send_persistent_keepalive+0x57/0x80 [ 44.764357][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 44.764440][ C0] call_timer_fn+0x4c/0x300 [ 44.764514][ C0] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 44.764589][ C0] __run_timer_base+0x6c0/0x9b0 [ 44.764665][ C0] ? timer_expire_remote+0xa0/0xa0 [ 44.764729][ C0] ? kvm_sched_clock_read+0x15/0x30 [ 44.764815][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 44.765053][ C0] run_timer_softirq+0x35/0x70 [ 44.765127][ C0] handle_softirqs+0x1aa/0x620 [ 44.765215][ C0] __irq_exit_rcu+0x47/0xb0 [ 44.765291][ C0] irq_exit_rcu+0xd/0x30 [ 44.765329][ C0] sysvec_apic_timer_interrupt+0x82/0x90 [ 44.765396][ C0] [ 44.765403][ C0] [ 44.765409][ C0] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 44.765453][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 44.765541][ C0] Code: cc cc cc cc cc cc cc b8 b2 25 30 a9 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 [ 44.765594][ C0] RSP: 0018:ffffffff87407da0 EFLAGS: 000002c2 [ 44.765641][ C0] RAX: ffff8881f6e00000 RBX: ffffffff874156c0 RCX: ffffffff85a3b4fd [ 44.765679][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000013c94 [ 44.765721][ C0] RBP: ffffffff87407da0 R08: ffff8881f6e395eb R09: 1ffff1103edc72bd [ 44.765763][ C0] R10: dffffc0000000000 R11: ffffed103edc72be R12: 0000000000000000 [ 44.765798][ C0] R13: 1ffffffff0e82ad8 R14: dffffc0000000000 R15: ffffffff87ecb868 [ 44.765842][ C0] ? ct_kernel_exit+0x7d/0xb0 [ 44.765999][ C0] default_idle+0x17/0x30 [ 44.766052][ C0] arch_cpu_idle+0xd/0x20 [ 44.766104][ C0] default_idle_call+0x3e/0x80 [ 44.766161][ C0] do_idle+0x1df/0x570 [ 44.766242][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 44.766304][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 44.766369][ C0] ? radix_tree_lookup+0x250/0x2a0 [ 44.766443][ C0] cpu_startup_entry+0x47/0x60 [ 44.766507][ C0] rest_init+0x10b/0x130 [ 44.766561][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 44.766635][ C0] start_kernel+0x462/0x4bb [ 44.766722][ C0] x86_64_start_reservations+0x2e/0x30 [ 44.766817][ C0] x86_64_start_kernel+0x6a/0x7b [ 44.766876][ C0] common_startup_64+0x13b/0x157 [ 44.767000][ C0] [ 44.769094][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.769190][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.769225][ T99] Call Trace: [ 44.769246][ T99] [ 44.769268][ T99] __dump_stack+0x21/0x30 [ 44.769364][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.769447][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.769530][ T99] dump_stack+0x19/0x20 [ 44.769605][ T99] should_fail_ex+0x3c2/0x510 [ 44.769672][ T99] should_failslab+0xac/0x100 [ 44.769745][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 44.769807][ T99] ? sk_prot_alloc+0x69/0x3a0 [ 44.769909][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 44.770005][ T99] sk_prot_alloc+0x69/0x3a0 [ 44.770081][ T99] sk_alloc+0x40/0x590 [ 44.770162][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 44.770226][ T99] unix_create1+0xb7/0x760 [ 44.770299][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 44.770373][ T99] unix_create+0x15a/0x220 [ 44.770451][ T99] __sock_create+0x3a5/0x810 [ 44.770526][ T99] __sys_socket+0xe1/0x1c0 [ 44.770594][ T99] __x64_sys_socket+0x7e/0x90 [ 44.770676][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.770729][ T99] do_syscall_64+0x57/0xf0 [ 44.770794][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.770877][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.771648][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.771722][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.771796][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.771941][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ca54b0707 [ 44.771986][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.772030][ T99] RBP: 00007f2ca553c560 R08: 0000000000000073 R09: 0000000000000001 [ 44.772057][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.772090][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000038 R15: 00007fffbaa3bd20 [ 44.772141][ T99] [ 44.772761][ T99] FAULT_INJECTION: forcing a failure. [ 44.772761][ T99] name failslab, interval 1, probability 10, space 0, times 6 [ 44.772892][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.772919][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.772932][ T99] Call Trace: [ 44.772938][ T99] [ 44.772946][ T99] __dump_stack+0x21/0x30 [ 44.772984][ T99] dump_stack_lvl+0x140/0x1c0 [ 44.773085][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.773357][ T99] dump_stack+0x19/0x20 [ 44.773479][ T99] should_fail_ex+0x3c2/0x510 [ 44.773552][ T99] ? security_sk_alloc+0x65/0x260 [ 44.773633][ T99] should_failslab+0xac/0x100 [ 44.773741][ T99] __kmalloc_noprof+0x69/0x510 [ 44.773807][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 44.773909][ T99] ? security_sk_alloc+0x65/0x260 [ 44.773982][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 44.774061][ T99] security_sk_alloc+0x65/0x260 [ 44.774317][ T99] sk_prot_alloc+0x123/0x3a0 [ 44.774409][ T99] sk_alloc+0x40/0x590 [ 44.774474][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 44.774513][ T99] unix_create1+0xb7/0x760 [ 44.774582][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 44.774642][ T99] unix_create+0x15a/0x220 [ 44.774726][ T99] __sock_create+0x3a5/0x810 [ 44.774804][ T99] __sys_socket+0xe1/0x1c0 [ 44.774884][ T99] __x64_sys_socket+0x7e/0x90 [ 44.775389][ T99] x64_sys_call+0x2608/0x2ee0 [ 44.775457][ T99] do_syscall_64+0x57/0xf0 [ 44.775487][ T99] ? clear_bhb_loop+0x50/0xa0 [ 44.775687][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 44.775781][ T99] RIP: 0033:0x7f2ca54b0707 [ 44.775845][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 44.775899][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 44.775971][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2ca54b0707 [ 44.776436][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 44.776483][ T99] RBP: 00007f2ca553c560 R08: 0000000000000073 R09: 0000000000000001 [ 44.776532][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 44.776599][ T99] R13: 00007fffbaa3bd20 R14: 000000000000002c R15: 00007fffbaa3bd20 [ 44.776638][ T99] [ 44.780337][ T99] FAULT_INJECTION: forcing a failure. [ 44.780337][ T99] name failslab, interval 1, probability 10, space 0, times 4 [ 44.789862][ T31] CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 44.789973][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.790024][ T31] Workqueue: mld mld_ifc_work [ 44.790112][ T31] Call Trace: [ 44.790126][ T31] [ 44.790158][ T31] __dump_stack+0x21/0x30 [ 44.790257][ T31] dump_stack_lvl+0x140/0x1c0 [ 44.790357][ T31] ? __cfi_dump_stack_lvl+0x10/0x10 [ 44.790774][ T31] ? tg_unthrottle_up+0x9b0/0x9b0 [ 44.790858][ T31] ? __cfi_wg_packet_decrypt_worker+0x10/0x10 [ 44.790915][ T31] dump_stack+0x19/0x20 [ 44.790998][ T31] should_fail_ex+0x3c2/0x510 [ 44.791072][ T31] should_failslab+0xac/0x100 [ 44.791128][ T31] kmem_cache_alloc_node_noprof+0x45/0x420 [ 44.791149][ T31] ? __cfi___update_load_avg_cfs_rq+0x10/0x10 [ 44.791177][ T31] ? __alloc_skb+0x10c/0x360 [ 44.791426][ T31] __alloc_skb+0x10c/0x360 [ 44.791610][ T31] mld_newpack+0x162/0xa10 [ 44.791691][ T31] ? __switch_to+0xc6b/0x1320 [ 44.791792][ T31] ? mld_sendpack+0xd10/0xd10 [ 44.791864][ T31] ? __cfi___switch_to+0x10/0x10 [ 44.791942][ T31] ? kthread_data+0x54/0xc0 [ 44.791964][ T31] add_grec+0xf20/0x1400 [ 44.791987][ T31] ? __kasan_check_write+0x18/0x20 [ 44.792055][ T31] ? mutex_lock+0x97/0x1d0 [ 44.792149][ T31] ? __cfi_mutex_lock+0x10/0x10 [ 44.792235][ T31] ? __schedule+0x149e/0x20b0 [ 44.792343][ T31] mld_ifc_work+0x71d/0xc40 [ 44.792468][ T31] process_scheduled_works+0x7f7/0x1060 [ 44.792550][ T31] worker_thread+0xc99/0x13f0 [ 44.792633][ T31] kthread+0x2c7/0x360 [ 44.792704][ T31] ? __cfi_worker_thread+0x10/0x10 [ 44.792774][ T31] ? __cfi_kthread+0x10/0x10 [ 44.792848][ T31] ret_from_fork+0x67/0xa0 [ 44.792949][ T31] ? __cfi_kthread+0x10/0x10 [ 44.793023][ T31] ret_from_fork_asm+0x1a/0x30 [ 44.793102][ T31] [ 45.842155][ C1] FAULT_INJECTION: forcing a failure. [ 45.842155][ C1] name failslab, interval 1, probability 10, space 0, times 2 [ 45.846036][ T99] CPU: 0 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 45.846147][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.846188][ T99] Call Trace: [ 45.846208][ T99] [ 45.846239][ T99] __dump_stack+0x21/0x30 [ 45.846322][ T99] dump_stack_lvl+0x140/0x1c0 [ 45.846392][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 45.846476][ T99] dump_stack+0x19/0x20 [ 45.846557][ T99] should_fail_ex+0x3c2/0x510 [ 45.846624][ T99] ? security_sk_alloc+0x65/0x260 [ 45.846709][ T99] should_failslab+0xac/0x100 [ 45.846793][ T99] __kmalloc_noprof+0x69/0x510 [ 45.846857][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 45.846942][ T99] ? security_sk_alloc+0x65/0x260 [ 45.847034][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 45.847127][ T99] security_sk_alloc+0x65/0x260 [ 45.847212][ T99] sk_prot_alloc+0x123/0x3a0 [ 45.847301][ T99] sk_alloc+0x40/0x590 [ 45.847376][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 45.847449][ T99] unix_create1+0xb7/0x760 [ 45.847527][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 45.847600][ T99] unix_create+0x15a/0x220 [ 45.847673][ T99] __sock_create+0x3a5/0x810 [ 45.847747][ T99] __sys_socket+0xe1/0x1c0 [ 45.847822][ T99] __x64_sys_socket+0x7e/0x90 [ 45.847895][ T99] x64_sys_call+0x2608/0x2ee0 [ 45.847956][ T99] do_syscall_64+0x57/0xf0 [ 45.848020][ T99] ? clear_bhb_loop+0x50/0xa0 [ 45.848094][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 45.848168][ T99] RIP: 0033:0x7f2ca54b0707 [ 45.848221][ T99] Code: 54 24 0c e8 6b ac ff ff 83 f8 ff 74 04 8b 44 24 0c 48 83 c4 18 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 e6 0c 00 f7 d8 64 89 01 48 [ 45.848266][ T99] RSP: 002b:00007fffbaa3bbf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 45.848343][ T99] RAX: ffffffffffffffda RBX: 000000000000004f RCX: 00007f2ca54b0707 [ 45.848395][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 45.848443][ T99] RBP: 00007f2ca553c560 R08: 0000000000000000 R09: 0000000000000000 [ 45.848492][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 45.848539][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000034 R15: 00007fffbaa3bd20 [ 45.848592][ T99] [ 45.849227][ T99] FAULT_INJECTION: forcing a failure. [ 45.849227][ T99] name failslab, interval 1, probability 10, space 0, times 1 [ 45.850805][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 45.850874][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.850924][ C1] Call Trace: [ 45.850944][ C1] [ 45.850977][ C1] __dump_stack+0x21/0x30 [ 45.851111][ C1] dump_stack_lvl+0x140/0x1c0 [ 45.851187][ C1] ? __cfi_dump_stack_lvl+0x10/0x10 [ 45.851281][ C1] ? kvm_steal_clock+0x136/0x170 [ 45.851366][ C1] dump_stack+0x19/0x20 [ 45.851440][ C1] should_fail_ex+0x3c2/0x510 [ 45.851511][ C1] should_failslab+0xac/0x100 [ 45.851576][ C1] kmem_cache_alloc_node_noprof+0x45/0x420 [ 45.851647][ C1] ? __alloc_skb+0x10c/0x360 [ 45.851723][ C1] __alloc_skb+0x10c/0x360 [ 45.851810][ C1] wg_packet_send_keepalive+0x66/0x1d0 [ 45.851877][ C1] ? wg_expired_send_persistent_keepalive+0x48/0x80 [ 45.851959][ C1] wg_expired_send_persistent_keepalive+0x57/0x80 [ 45.852038][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 45.852113][ C1] call_timer_fn+0x4c/0x300 [ 45.852201][ C1] ? __cfi_wg_expired_send_persistent_keepalive+0x10/0x10 [ 45.852329][ C1] __run_timer_base+0x6c0/0x9b0 [ 45.852426][ C1] ? timer_expire_remote+0xa0/0xa0 [ 45.852511][ C1] ? kvm_sched_clock_read+0x15/0x30 [ 45.852605][ C1] ? irqtime_account_irq+0x51/0x1c0 [ 45.852681][ C1] run_timer_softirq+0x35/0x70 [ 45.852754][ C1] handle_softirqs+0x1aa/0x620 [ 45.852880][ C1] __irq_exit_rcu+0x47/0xb0 [ 45.852936][ C1] irq_exit_rcu+0xd/0x30 [ 45.852989][ C1] sysvec_apic_timer_interrupt+0x82/0x90 [ 45.853073][ C1] [ 45.853094][ C1] [ 45.853114][ C1] asm_sysvec_apic_timer_interrupt+0x1f/0x30 [ 45.853200][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 45.853307][ C1] Code: cc cc cc cc cc cc cc b8 b2 25 30 a9 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 [ 45.853359][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 [ 45.853413][ C1] RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff85a3b4fd [ 45.853462][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000000d96c [ 45.853495][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f395eb R09: 1ffff1103ede72bd [ 45.853538][ C1] R10: dffffc0000000000 R11: ffffed103ede72be R12: 0000000000000000 [ 45.853580][ C1] R13: 1ffff110206cd980 R14: dffffc0000000000 R15: ffffffff87ecb868 [ 45.853633][ C1] ? ct_kernel_exit+0x7d/0xb0 [ 45.853702][ C1] default_idle+0x17/0x30 [ 45.853777][ C1] arch_cpu_idle+0xd/0x20 [ 45.853844][ C1] default_idle_call+0x3e/0x80 [ 45.853898][ C1] do_idle+0x1df/0x570 [ 45.853961][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 45.854032][ C1] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 45.854133][ C1] ? complete+0x172/0x1d0 [ 45.854188][ C1] cpu_startup_entry+0x47/0x60 [ 45.854251][ C1] start_secondary+0x12e/0x140 [ 45.854343][ C1] common_startup_64+0x13b/0x157 [ 45.854428][ C1] [ 62.294749][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 62.294794][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 62.294809][ T99] Call Trace: [ 62.294818][ T99] [ 62.294828][ T99] __dump_stack+0x21/0x30 [ 62.294892][ T99] dump_stack_lvl+0x140/0x1c0 [ 62.294922][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 62.294953][ T99] ? update_rq_clock+0x6c9/0x7e0 [ 62.294992][ T99] ? ttwu_do_activate+0x620/0x620 [ 62.295021][ T99] dump_stack+0x19/0x20 [ 62.295051][ T99] should_fail_ex+0x3c2/0x510 [ 62.295086][ T99] should_failslab+0xac/0x100 [ 62.295118][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 62.295150][ T99] ? avc_has_perm_noaudit+0x26b/0x360 [ 62.295179][ T99] ? __alloc_skb+0x10c/0x360 [ 62.295215][ T99] __alloc_skb+0x10c/0x360 [ 62.295250][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 62.295298][ T99] ? autoremove_wake_function+0x3b/0x110 [ 62.295326][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 62.295354][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 62.295379][ T99] ? __kasan_check_write+0x18/0x20 [ 62.295403][ T99] ? _raw_spin_lock+0x92/0x120 [ 62.295430][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 62.295457][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 62.295512][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 62.295546][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 62.295584][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 62.295612][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 62.295644][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 62.295802][ T99] __sys_sendto+0x68d/0x700 [ 62.295845][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 62.295882][ T99] ? selinux_socket_connect+0x27/0x40 [ 62.295915][ T99] ? __cfi___sys_connect+0x10/0x10 [ 62.295953][ T99] ? fd_install+0x246/0x400 [ 62.295980][ T99] ? __sys_socket+0x16d/0x1c0 [ 62.296014][ T99] __x64_sys_sendto+0xe9/0x100 [ 62.296052][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 62.296076][ T99] do_syscall_64+0x57/0xf0 [ 62.296105][ T99] ? clear_bhb_loop+0x50/0xa0 [ 62.296140][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 62.296173][ T99] RIP: 0033:0x7f2ca5435407 [ 62.296195][ T99] 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 [ 62.296215][ T99] RSP: 002b:00007fffbaa3bbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 62.296243][ T99] RAX: ffffffffffffffda RBX: 00007f2ca52e5c80 RCX: 00007f2ca5435407 [ 62.296264][ T99] RDX: 0000000000000054 RSI: 00007fffbaa3bd20 RDI: 0000000000000003 [ 62.296282][ T99] RBP: 00007fffbaa3c150 R08: 0000000000000000 R09: 0000000000000000 [ 62.296298][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffbaa3c168 [ 62.296317][ T99] R13: 00007fffbaa3bd20 R14: 0000000000000039 R15: 00007fffbaa3bd20 [ 62.296340][ T99] [ 62.734020][ T13] bridge_slave_1: left allmulticast mode [ 62.740539][ T13] bridge_slave_1: left promiscuous mode [ 62.753567][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.763693][ T13] bridge_slave_0: left allmulticast mode [ 62.770454][ T13] bridge_slave_0: left promiscuous mode [ 62.776382][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.857789][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.865237][ T326] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.872742][ T326] bridge_slave_0: entered allmulticast mode [ 62.880016][ T326] bridge_slave_0: entered promiscuous mode [ 62.890201][ T326] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.898511][ T326] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.911003][ T326] bridge_slave_1: entered allmulticast mode [ 62.918735][ T326] bridge_slave_1: entered promiscuous mode [ 62.954906][ T13] veth1_macvtap: left promiscuous mode [ 62.963634][ T13] veth0_vlan: left promiscuous mode [ 63.116903][ T330] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.125362][ T330] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.132621][ T330] bridge_slave_0: entered allmulticast mode [ 63.140053][ T330] bridge_slave_0: entered promiscuous mode [ 63.148949][ T330] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.156692][ T330] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.165484][ T330] bridge_slave_1: entered allmulticast mode [ 63.172583][ T330] bridge_slave_1: entered promiscuous mode [ 63.201907][ T36] kauditd_printk_skb: 37 callbacks suppressed [ 63.201929][ T36] audit: type=1400 audit(1785411161.410:111): avc: denied { create } for pid=326 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 63.236400][ T36] audit: type=1400 audit(1785411161.410:112): avc: denied { write } for pid=326 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 63.259297][ T36] audit: type=1400 audit(1785411161.420:113): avc: denied { read } for pid=326 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 63.304967][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.313443][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.322480][ T331] bridge_slave_0: entered allmulticast mode [ 63.330303][ T331] bridge_slave_0: entered promiscuous mode [ 63.339483][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.347231][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.355254][ T331] bridge_slave_1: entered allmulticast mode [ 63.363068][ T331] bridge_slave_1: entered promiscuous mode [ 63.388463][ T328] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.396221][ T328] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.403810][ T328] bridge_slave_0: entered allmulticast mode [ 63.412769][ T328] bridge_slave_0: entered promiscuous mode [ 63.445115][ T328] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.452713][ T328] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.459944][ T328] bridge_slave_1: entered allmulticast mode [ 63.467474][ T328] bridge_slave_1: entered promiscuous mode [ 63.475181][ T326] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.482406][ T326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.490048][ T326] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.497364][ T326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.598778][ T13] bridge_slave_1: left allmulticast mode [ 63.605091][ T13] bridge_slave_1: left promiscuous mode [ 63.610995][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.619768][ T13] bridge_slave_0: left allmulticast mode [ 63.626836][ T13] bridge_slave_0: left promiscuous mode [ 63.635532][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.645389][ T13] bridge_slave_1: left allmulticast mode [ 63.651093][ T13] bridge_slave_1: left promiscuous mode [ 63.657763][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.666382][ T13] bridge_slave_0: left allmulticast mode [ 63.672290][ T13] bridge_slave_0: left promiscuous mode [ 63.677976][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.686346][ T13] bridge_slave_1: left allmulticast mode [ 63.692139][ T13] bridge_slave_1: left promiscuous mode [ 63.697800][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.707691][ T13] bridge_slave_0: left allmulticast mode [ 63.715632][ T13] bridge_slave_0: left promiscuous mode [ 63.723374][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.905588][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.915732][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.948715][ T13] veth1_macvtap: left promiscuous mode [ 63.956806][ T13] veth0_vlan: left promiscuous mode [ 63.964329][ T13] veth1_macvtap: left promiscuous mode [ 63.971696][ T13] veth0_vlan: left promiscuous mode [ 63.977617][ T13] veth1_macvtap: left promiscuous mode [ 63.983352][ T13] veth0_vlan: left promiscuous mode [ 64.145373][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.152699][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.177266][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.185021][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.244110][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.251599][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.274493][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.282675][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.291739][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.299467][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.307867][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.316280][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.369970][ T326] veth0_vlan: entered promiscuous mode [ 64.383221][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.390439][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.400901][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.408008][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.431956][ T330] veth0_vlan: entered promiscuous mode [ 64.443814][ T331] veth0_vlan: entered promiscuous mode [ 64.458314][ T326] veth1_macvtap: entered promiscuous mode [ 64.483335][ T330] veth1_macvtap: entered promiscuous mode [ 64.519158][ T331] veth1_macvtap: entered promiscuous mode [ 64.561151][ T328] veth0_vlan: entered promiscuous mode [ 64.593577][ T36] audit: type=1400 audit(1785411162.810:114): avc: denied { mount } for pid=347 comm="syz.4.9" name="/" dev="devtmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 64.594891][ T328] veth1_macvtap: entered promiscuous mode [ 64.637287][ T350] zram0: detected capacity change from 0 to 20480 [ 64.645701][ T36] audit: type=1400 audit(1785411162.860:115): avc: denied { unmount } for pid=326 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 64.674693][ T36] audit: type=1400 audit(1785411162.860:116): avc: denied { unmount } for pid=326 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 64.698977][ T36] audit: type=1400 audit(1785411162.880:117): avc: denied { create } for pid=351 comm="syz.7.12" name="SourceSink.usb0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=lnk_file permissive=1 [ 64.785951][ T360] zram: Can't change algorithm for initialized device [ 64.796447][ T360] zram: Cannot change disksize for initialized device [ 64.805809][ T360] ================================================================== [ 64.814082][ T360] BUG: KASAN: vmalloc-out-of-bounds in ZSTD_decompressSequencesLong_bmi2+0x5262/0x7980 [ 64.823881][ T360] Read of size 64 at addr ffffc90000273001 by task syz.5.10/360 [ 64.831683][ T360] [ 64.834055][ T360] CPU: 0 UID: 0 PID: 360 Comm: syz.5.10 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 64.834091][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 64.834107][ T360] Call Trace: [ 64.834115][ T360] [ 64.834125][ T360] __dump_stack+0x21/0x30 [ 64.834164][ T360] dump_stack_lvl+0x140/0x1c0 [ 64.834197][ T360] ? __cfi_dump_stack_lvl+0x10/0x10 [ 64.834227][ T360] ? __cfi__printk+0x10/0x10 [ 64.834255][ T360] print_address_description+0x71/0x210 [ 64.834291][ T360] print_report+0x4a/0x70 [ 64.834324][ T360] kasan_report+0x162/0x1a0 [ 64.834353][ T360] ? ZSTD_decompressSequencesLong_bmi2+0x5262/0x7980 [ 64.834392][ T360] ? ZSTD_decompressSequencesLong_bmi2+0x5262/0x7980 [ 64.834425][ T360] kasan_check_range+0x25a/0x2b0 [ 64.834454][ T360] ? ZSTD_decompressSequencesLong_bmi2+0x5262/0x7980 [ 64.834505][ T360] __asan_memmove+0x31/0x80 [ 64.834531][ T360] ZSTD_decompressSequencesLong_bmi2+0x5262/0x7980 [ 64.834574][ T360] ? ZSTD_decompressBlock+0x1b0/0x1b0 [ 64.834626][ T360] ZSTD_decompressBlock_internal+0x28f/0x7a40 [ 64.834669][ T360] ? __cfi_ZSTD_decompressBlock_internal+0x10/0x10 [ 64.834707][ T360] ? ZSTD_getFrameHeader_advanced+0x56f/0xa50 [ 64.834736][ T360] ? ZSTD_decodeFrameHeader+0x501/0x720 [ 64.834767][ T360] ? ZSTD_decompressContinue+0x1540/0x1540 [ 64.834812][ T360] ZSTD_decompressMultiFrame+0xee0/0x18a0 [ 64.834849][ T360] ? ZSTD_decompress_usingDict+0x70/0x70 [ 64.834880][ T360] ? unwind_get_return_address+0x51/0x90 [ 64.834913][ T360] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 64.834943][ T360] ? arch_stack_walk+0x10a/0x170 [ 64.834968][ T360] ZSTD_decompress_usingDDict+0x46/0x70 [ 64.834995][ T360] zstd_decompress_using_ddict+0x42/0x60 [ 64.835030][ T360] zstd_decompress+0x15d/0x240 [ 64.835065][ T360] ? __cfi_zstd_decompress+0x10/0x10 [ 64.835099][ T360] zcomp_decompress+0x12e/0x190 [ 64.835124][ T360] ? __cfi_zcomp_decompress+0x10/0x10 [ 64.835150][ T360] read_from_zspool+0x223/0x2b0 [ 64.835177][ T360] zram_submit_bio+0x131c/0x1e50 [ 64.835208][ T360] ? should_fail_ex+0xd0/0x510 [ 64.835235][ T360] ? __cfi_zram_submit_bio+0x10/0x10 [ 64.835263][ T360] ? kasan_save_alloc_info+0x3a/0x50 [ 64.835314][ T360] ? __kasan_slab_alloc+0x73/0x90 [ 64.835345][ T360] __submit_bio+0x519/0x9b0 [ 64.835378][ T360] ? blk_free_queue_rcu+0x60/0x60 [ 64.835413][ T360] ? __kasan_check_read+0x15/0x20 [ 64.835440][ T360] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 64.835469][ T360] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 64.835508][ T360] ? __kasan_check_read+0x15/0x20 [ 64.835532][ T360] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 64.835566][ T360] submit_bio_noacct+0xc0e/0x1620 [ 64.835595][ T360] submit_bio+0x424/0x5b0 [ 64.835618][ T360] submit_bh_wbc+0x501/0x570 [ 64.835647][ T360] __block_write_begin_int+0x1305/0x1710 [ 64.835682][ T360] ? __cfi___block_write_begin_int+0x10/0x10 [ 64.835713][ T360] iomap_write_begin+0x8ed/0x1870 [ 64.835751][ T360] ? __sched_text_start+0x10/0x10 [ 64.835781][ T360] ? enqueue_task+0x1049/0x1100 [ 64.835805][ T360] ? ifs_set_range_uptodate+0x340/0x340 [ 64.835845][ T360] ? preempt_schedule_common+0x2d/0x60 [ 64.835877][ T360] ? I_BDEV+0x11/0x30 [ 64.835903][ T360] ? I_BDEV+0x11/0x30 [ 64.835926][ T360] ? inode_to_bdi+0xa7/0x100 [ 64.835961][ T360] ? fault_in_readable+0x119/0x160 [ 64.835995][ T360] ? fault_in_iov_iter_readable+0x1d4/0x320 [ 64.836030][ T360] iomap_file_buffered_write+0x3ca/0xc60 [ 64.836066][ T360] ? ktime_get_coarse_real_ts64+0x113/0x130 [ 64.836105][ T360] ? __cfi_inode_set_ctime_current+0x10/0x10 [ 64.836141][ T360] ? __cfi_iomap_file_buffered_write+0x10/0x10 [ 64.836181][ T360] ? down_read+0x7f/0xe0 [ 64.836218][ T360] ? __cfi_down_read+0x10/0x10 [ 64.836267][ T360] ? mnt_put_write_access_file+0xbb/0x100 [ 64.836305][ T360] blkdev_write_iter+0x555/0x750 [ 64.836340][ T360] vfs_write+0x762/0xfd0 [ 64.836367][ T360] ? __cfi_vfs_write+0x10/0x10 [ 64.836396][ T360] ksys_write+0x145/0x260 [ 64.836421][ T360] ? xfd_validate_state+0x68/0x140 [ 64.836455][ T360] ? __cfi_ksys_write+0x10/0x10 [ 64.836490][ T360] ? __kasan_check_write+0x18/0x20 [ 64.836515][ T360] ? fpregs_restore_userregs+0x11c/0x260 [ 64.836547][ T360] __x64_sys_write+0x7f/0x90 [ 64.836575][ T360] x64_sys_call+0x271c/0x2ee0 [ 64.836599][ T360] do_syscall_64+0x57/0xf0 [ 64.836625][ T360] ? clear_bhb_loop+0x50/0xa0 [ 64.836659][ T360] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 64.836691][ T360] RIP: 0033:0x7fa07139df99 [ 64.836712][ T360] 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 [ 64.836733][ T360] RSP: 002b:00007fa0722ee028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.836761][ T360] RAX: ffffffffffffffda RBX: 00007fa071625fa0 RCX: 00007fa07139df99 [ 64.836779][ T360] RDX: 0000000000000040 RSI: 0000200000000500 RDI: 0000000000000003 [ 64.836795][ T360] RBP: 00007fa071434ec4 R08: 0000000000000000 R09: 0000000000000000 [ 64.836810][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.836827][ T360] R13: 00007fa071626038 R14: 00007fa071625fa0 R15: 00007fff5d958a68 [ 64.836850][ T360] [ 64.836858][ T360] [ 64.891513][ T36] audit: type=1400 audit(1785411163.050:118): avc: denied { unmount } for pid=330 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 64.895309][ T360] The buggy address belongs to a vmalloc virtual mapping [ 64.895332][ T360] Memory state around the buggy address: [ 64.895349][ T360] ffffc90000272f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 64.895368][ T360] ffffc90000272f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 64.895387][ T360] >ffffc90000273000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 64.895401][ T360] ^ [ 64.895418][ T360] ffffc90000273080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 65.256865][ T36] audit: type=1400 audit(1785411163.470:119): avc: denied { read } for pid=149 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 65.257743][ T360] ffffc90000273100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 65.503953][ T360] ================================================================== [ 65.513533][ T360] Disabling lock debugging due to kernel taint [ 65.560498][ T358] BUG: unable to handle page fault for address: ffffc900002730f9 [ 65.568611][ T358] #PF: supervisor read access in kernel mode [ 65.574641][ T358] #PF: error_code(0x0000) - not-present page [ 65.580763][ T358] PGD 100000067 P4D 100000067 PUD 101657067 PMD 104246067 PTE 0 [ 65.590149][ T358] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 65.596551][ T358] CPU: 0 UID: 0 PID: 358 Comm: syz.5.10 Tainted: G B syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 65.620273][ T358] Tainted: [B]=BAD_PAGE [ 65.626084][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 65.638333][ T358] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 65.648084][ T358] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 21 ac fe 45 39 f5 0f 85 3e 02 00 [ 65.670812][ T358] RSP: 0018:ffffc90000e6e380 EFLAGS: 00010282 [ 65.677137][ T358] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db6063 [ 65.685248][ T358] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900002730fc [ 65.693623][ T358] RBP: ffffc90000e6e5c0 R08: ffff88811668a600 R09: 0000000000000004 [ 65.701655][ T358] R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000101 [ 65.710139][ T358] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900002730f9 [ 65.718272][ T358] FS: 00005555630f4500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 65.727557][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.734180][ T358] CR2: ffffc900002730f9 CR3: 0000000117ab6000 CR4: 00000000003526b0 [ 65.742302][ T358] Call Trace: [ 65.745628][ T358] [ 65.748638][ T358] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 65.755917][ T358] ? ZSTD_opt_getNextMatchAndUpdateSeqStore+0xa00/0xa00 [ 65.759619][ T36] audit: type=1400 audit(1785411163.970:120): avc: denied { unmount } for pid=331 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 65.763125][ T358] ZSTD_compressBlock_opt0+0x65e/0x5220 [ 65.763193][ T358] ? __cfi_gfp_zone+0x1/0x10 [ 65.763221][ T358] ? __alloc_pages_noprof+0x35a/0x7e0 [ 65.799423][ T358] ? __cfi_ZSTD_btGetAllMatches_dictMatchState_4+0x10/0x10 [ 65.806795][ T358] ? ZSTD_compressBlock_btopt+0x60/0x60 [ 65.812409][ T358] ? __kmalloc_node_noprof+0x34d/0x500 [ 65.817960][ T358] ? __kvmalloc_node_noprof+0x128/0x300 [ 65.823674][ T358] ZSTD_compressBlock_btopt_dictMatchState+0x3f/0x50 [ 65.830524][ T358] ZSTD_buildSeqStore+0x960/0xcf0 [ 65.836589][ T358] ? ZSTD_reduceTable+0xb30/0xb30 [ 65.842654][ T358] ? ZSTD_reset_matchState+0x2685/0x3410 [ 65.848713][ T358] ? __asan_memcpy+0x5a/0x80 [ 65.854532][ T358] ? ZSTD_reset_matchState+0x26a7/0x3410 [ 65.860958][ T358] ZSTD_compressBlock_internal+0x3c/0x520 [ 65.866935][ T358] ZSTD_compressContinue_internal+0x103d/0x3e20 [ 65.873262][ T358] ? __asan_memcpy+0x5a/0x80 [ 65.877908][ T358] ? ZSTD_compressContinue+0x70/0x70 [ 65.883535][ T358] ZSTD_compressEnd+0x45/0x890 [ 65.888484][ T358] ZSTD_compress_usingCDict+0x71/0xa0 [ 65.894263][ T358] zstd_compress_using_cdict+0x42/0x60 [ 65.899778][ T358] zstd_compress+0x1ab/0x240 [ 65.904449][ T358] ? __cfi_zstd_compress+0x10/0x10 [ 65.909697][ T358] zcomp_compress+0x156/0x210 [ 65.914512][ T358] ? __cfi_update_io_ticks+0x10/0x10 [ 65.919845][ T358] ? __cfi_zcomp_compress+0x10/0x10 [ 65.925076][ T358] ? kasan_save_alloc_info+0x3a/0x50 [ 65.930418][ T358] ? bio_start_io_acct+0x127/0x180 [ 65.935583][ T358] zram_submit_bio+0x65c/0x1e50 [ 65.940493][ T358] ? __block_write_full_folio+0x8d3/0xe80 [ 65.946351][ T358] ? bdev_release+0x199/0x700 [ 65.951096][ T358] ? __cfi_zram_submit_bio+0x10/0x10 [ 65.956431][ T358] __submit_bio+0x519/0x9b0 [ 65.961155][ T358] ? blk_free_queue_rcu+0x60/0x60 [ 65.966323][ T358] submit_bio_noacct_nocheck+0x5b5/0xab0 [ 65.972363][ T358] ? __cfi_submit_bio_noacct_nocheck+0x10/0x10 [ 65.978632][ T358] ? __kasan_check_read+0x15/0x20 [ 65.983809][ T358] ? bh_get_inode_and_lblk_num+0x274/0x360 [ 65.989765][ T358] submit_bio_noacct+0xc0e/0x1620 [ 65.994978][ T358] submit_bio+0x424/0x5b0 [ 65.999350][ T358] submit_bh_wbc+0x501/0x570 [ 66.004003][ T358] __block_write_full_folio+0x8d3/0xe80 [ 66.009602][ T358] ? __cfi_blkdev_get_block+0x10/0x10 [ 66.015037][ T358] block_write_full_folio+0x300/0x370 [ 66.020574][ T358] ? __cfi_blkdev_get_block+0x10/0x10 [ 66.026101][ T358] ? __cfi_block_write_full_folio+0x10/0x10 [ 66.032061][ T358] write_cache_pages+0x76/0x110 [ 66.036985][ T358] ? __cfi_blkdev_get_block+0x10/0x10 [ 66.042784][ T358] blkdev_writepages+0xc5/0x130 [ 66.047883][ T358] ? __cfi_blkdev_writepages+0x10/0x10 [ 66.053391][ T358] ? I_BDEV+0x11/0x30 [ 66.057437][ T358] ? __cfi_blkdev_writepages+0x10/0x10 [ 66.064089][ T358] do_writepages+0x3d4/0x7f0 [ 66.069012][ T358] ? arch_stack_walk+0x10a/0x170 [ 66.074425][ T358] ? __cfi_do_writepages+0x10/0x10 [ 66.079710][ T358] ? __kasan_check_write+0x18/0x20 [ 66.085002][ T358] ? I_BDEV+0x11/0x30 [ 66.089221][ T358] ? _raw_spin_unlock+0x45/0x60 [ 66.094215][ T358] ? I_BDEV+0x11/0x30 [ 66.098257][ T358] filemap_fdatawrite_wbc+0x12c/0x190 [ 66.103708][ T358] filemap_write_and_wait_range+0x191/0x2a0 [ 66.109805][ T358] ? __cfi_filemap_write_and_wait_range+0x10/0x10 [ 66.116377][ T358] ? _raw_spin_lock+0x92/0x120 [ 66.121661][ T358] bdev_release+0x199/0x700 [ 66.126234][ T358] ? __cfi_blkdev_release+0x10/0x10 [ 66.132375][ T358] blkdev_release+0x19/0x30 [ 66.136956][ T358] __fput+0x208/0xa30 [ 66.142174][ T358] ____fput+0x20/0x30 [ 66.147918][ T358] task_work_run+0x1e8/0x260 [ 66.154723][ T358] ? __cfi_task_work_run+0x10/0x10 [ 66.161036][ T358] ? __kasan_check_write+0x18/0x20 [ 66.167023][ T358] ? fpregs_restore_userregs+0x11c/0x260 [ 66.173528][ T358] resume_user_mode_work+0x35/0x50 [ 66.180006][ T358] syscall_exit_to_user_mode+0x63/0xb0 [ 66.186181][ T358] do_syscall_64+0x63/0xf0 [ 66.190690][ T358] ? clear_bhb_loop+0x50/0xa0 [ 66.196577][ T358] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 66.202961][ T358] RIP: 0033:0x7fa07139df99 [ 66.207907][ T358] 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 [ 66.230889][ T358] RSP: 002b:00007fff5d958bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 66.239477][ T358] RAX: 0000000000000000 RBX: 00007fa071627da0 RCX: 00007fa07139df99 [ 66.247644][ T358] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 66.255852][ T358] RBP: 00007fa071627da0 R08: 00007fa071626038 R09: 0000000000000000 [ 66.263970][ T358] R10: 00000000003fee40 R11: 0000000000000246 R12: 000000000000fff4 [ 66.271995][ T358] R13: 00007fa071625fac R14: 000000000000fcdd R15: 00007fff5d958cd0 [ 66.280325][ T358] [ 66.283781][ T358] Modules linked in: [ 66.287746][ T358] CR2: ffffc900002730f9 [ 66.291981][ T358] ---[ end trace 0000000000000000 ]--- [ 66.297492][ T358] RIP: 0010:ZSTD_btGetAllMatches_dictMatchState_4+0xb5d/0x4550 [ 66.305134][ T358] Code: e8 03 0f b6 04 08 84 c0 0f 85 e7 0d 00 00 48 89 5c 24 30 49 8d 7f 03 48 89 f8 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 ff 0d 00 00 <45> 8b 37 44 89 ef 44 89 f6 e8 25 21 ac fe 45 39 f5 0f 85 3e 02 00 [ 66.324816][ T358] RSP: 0018:ffffc90000e6e380 EFLAGS: 00010282 [ 66.330952][ T358] RAX: 0000000000000000 RBX: 00000000000000fb RCX: ffffffff82db6063 [ 66.338980][ T358] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc900002730fc [ 66.347029][ T358] RBP: ffffc90000e6e5c0 R08: ffff88811668a600 R09: 0000000000000004 [ 66.355058][ T358] R10: 0000000000000008 R11: 0000000000000000 R12: 0000000000000101 [ 66.363083][ T358] R13: 0000000044332211 R14: 0000000000000007 R15: ffffc900002730f9 [ 66.371290][ T358] FS: 00005555630f4500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 66.380346][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.387204][ T358] CR2: ffffc900002730f9 CR3: 0000000117ab6000 CR4: 00000000003526b0 [ 66.395767][ T358] Kernel panic - not syncing: Fatal exception [ 66.402279][ T358] Kernel Offset: disabled [ 66.406800][ T358] Rebooting in 86400 seconds..