last executing test programs: 1.609356432s ago: executing program 1 (id=2): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./config\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000300)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000700)='./config/usb_gadget/g1/functions/geth.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./config/usb_gadget/g1/functions/geth.usb0/qmult\x00', 0x0, 0x0) read(r0, &(0x7f0000000d00)=""/100, 0x64) close(r0) 1.596494122s ago: executing program 3 (id=4): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./debug\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x1000000, &(0x7f0000000000/0x1000000)=nil}) madvise(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x17) r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/kernel/mm/lru_gen/enabled\x00', 0x1, 0x0) write(r2, &(0x7f0000000400)='7\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./debug/lru_gen\x00', 0x2, 0x0) pread64(r3, &(0x7f0000000600), 0x100, 0x0) write(r3, &(0x7f0000000700)='+ 1 0 0 1 1\n\x00', 0xc) write(r3, &(0x7f0000000800)='+ 1 0 0 1 1\n\x00', 0xc) write(r3, &(0x7f0000000900)='- 1 0 1\n\x00', 0x8) write(r3, &(0x7f0000000a00)='- 1 0 1\n\x00', 0x8) 1.562658303s ago: executing program 0 (id=1): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller1\x00', 0x6bf1c2d5adba8c32}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000040)={'syzkaller1\x00', @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}) writev(r0, &(0x7f00000004c0)=[{&(0x7f0000000140)="2e1221b23bb601c477d3df163e75963d86ddf06712e9000d2f8db0049d90491c3248040000dbb8a10000", 0x2a}, {&(0x7f0000000200)="24f5bbd11cb3", 0x6}, {&(0x7f0000000240)="ee3b2ea560b8d504aab400008100", 0xe}], 0x3) 1.551689653s ago: executing program 1 (id=5): r0 = syz_create_resource$binfmt(&(0x7f0000001400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x42, 0x1ff) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f00000020c0), 0x2000413, &(0x7f00000002c0)={{'fd', 0x3d, r1}, 0x2c, {'rootmode', 0x3d, 0x8000}}) syz_fuse_handle_req(r1, &(0x7f000000bb40)="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0x2000, &(0x7f00000001c0)={&(0x7f0000000000)={0x50, 0x0, 0x8000000000203, {0x7, 0x29, 0xcf940281, 0x782810a1, 0x1, 0x1a76, 0x4, 0x1801, 0x0, 0x0, 0x2, 0x2000009e}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r1, 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", 0x2000, &(0x7f000000dcc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x78, 0x0, 0xa, {0x8, 0x0, 0x0, {0x4, 0x80800000009, 0x0, 0x7, 0x40000000000003, 0xfffffffffffffffe, 0x0, 0x35741061, 0x0, 0xa593e9c1ca988eda, 0xfffffff8, 0x0, 0x0, 0x3d, 0xe}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) execveat$binfmt(0xffffffffffffff9c, r0, 0x0, 0x0, 0x0) write$FUSE_NOTIFY_STORE(r1, &(0x7f0000000280)={0x28, 0x4, 0x0, {0x1, 0x6}}, 0x28) 1.469964945s ago: executing program 0 (id=6): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000140)='dctcp', 0x5) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e22, 0x7, @ipv4={'\x00', '\xff\xff', @empty}, 0x106}, 0x1c) r2 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r2, &(0x7f0000000140)=[{&(0x7f00000001c0)="580000001400192340834b80040d8c560a067f0202ff000000000000000058000b4824ca945f64009400ff0325010ebc000000000000008000f0fffeffe809005300fff5dd00000010000100040c10000000010000000000", 0x58}], 0x1) 1.424249336s ago: executing program 0 (id=7): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x10000, 0x1}) ioctl$KVM_SET_USER_MEMORY_REGION2(r1, 0x40a0ae49, &(0x7f0000000180)={0x1, 0x4, 0x1000, 0x10000, &(0x7f0000ff0000/0x10000)=nil, 0x0, r2}) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, 0x0) ioctl$KVM_PRE_FAULT_MEMORY(r3, 0xc040aed5, &(0x7f0000000340)={0x1000, 0x10000}) (async) close(r2) 1.250095281s ago: executing program 0 (id=10): r0 = syz_open_dev$usbmon(&(0x7f0000002000), 0x0, 0x802) syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x97, 0xff, 0x82, 0x8, 0x2058, 0x1005, 0xc19b, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, "", [{{0x9, 0x4, 0x8f, 0x0, 0x0, 0xbf, 0x57, 0x5a}}]}}]}}, 0x0) ioctl$MON_IOCX_MFETCH(r0, 0xc0109207, &(0x7f0000000ff8)) 1.230021931s ago: executing program 3 (id=11): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) syz_usb_connect$uac3(0x3, 0x80, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x48001, 0x0) write(r0, &(0x7f0000000140)='1', 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000440)={0x4c, 0x2, 0x6, 0x801, 0x0, 0x0, {0x0, 0x0, 0x8}, [@IPSET_ATTR_PROTOCOL={0x5, 0x1, 0x6}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0xa}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_TYPENAME={0x14, 0x3, 'hash:ip,port,ip\x00'}]}, 0x4c}}, 0x800) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000780)=ANY=[@ANYBLOB="74000000090601020000000000000000030000000900020073797a310000000005000100070000004c0007801800018014000240fe8000000000000000000000000000aa1800148014000240fc000000000000000000000000000000060004404e1f0000050007008400000006000540"], 0x74}, 0x1, 0x0, 0x0, 0x10040003}, 0x0) sendmsg$IPSET_CMD_ADD(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x210000000013, 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) 1.178264342s ago: executing program 2 (id=13): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/lvs/new_id\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='1d6b 0001 0\x00', 0xc) write(r0, &(0x7f0000000200)='1d6b 0002 0\x00', 0xc) write(r0, &(0x7f0000000200)='1d6b 0003 0\x00', 0xc) close(r0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/hub/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='1-0:1.0\x00', 0x7) write(r1, &(0x7f0000000200)='2-0:1.0\x00', 0x7) write(r1, &(0x7f0000000200)='3-0:1.0\x00', 0x7) write(r1, &(0x7f0000000200)='4-0:1.0\x00', 0x7) write(r1, &(0x7f0000000200)='5-0:1.0\x00', 0x7) close(r1) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/usb/drivers/lvs/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000200)='1-0:1.0\x00', 0x7) write(r2, &(0x7f0000000200)='2-0:1.0\x00', 0x7) write(r2, &(0x7f0000000200)='3-0:1.0\x00', 0x7) write(r2, &(0x7f0000000200)='4-0:1.0\x00', 0x7) write(r2, &(0x7f0000000200)='5-0:1.0\x00', 0x7) close(r2) 1.026867846s ago: executing program 2 (id=14): mkdir(&(0x7f0000000400)='./tracefs\x00', 0x1ff) mount(0x0, &(0x7f0000000440)='./tracefs\x00', &(0x7f0000000480)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./tracefs/trace_options\x00', 0x2, 0x0) write(r0, 0x0, 0x3f) 1.014506706s ago: executing program 2 (id=15): ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f00000006c0)={0x57, 0x0, 0x1, {0x4, 0x1}, {0x2a, 0xffff}, @cond=[{0x10, 0x10, 0xcf, 0x1, 0x1, 0x3}, {0x271e, 0x4, 0x1, 0x7f, 0xfffe, 0x7ff}]}) r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x1, 0x842b01) write$char_usb(r0, &(0x7f0000000040)="e2", 0x2250) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/platform/drivers/i8042/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='i8042', 0x5) 991.773706ms ago: executing program 2 (id=16): mkdir(&(0x7f0000000000)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./mysys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mysys/bus/pci/devices/0000:00:03.0/resource\x00', 0x0, 0x0) read(r0, &(0x7f0000000400), 0x100) 979.539327ms ago: executing program 2 (id=17): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='proc\x00', &(0x7f0000000200)='./proc\x00', &(0x7f0000000300)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./proc/mtrr\x00', 0x1, 0x0) write(r0, &(0x7f0000000500)='base=0xf0000000 size=0x100000 type=write-protect\n\x00', 0x30) mknodat(0xffffffffffffff9c, &(0x7f0000000600)='./devmem\x00', 0x81b6, 0x101) r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./devmem\x00', 0x2, 0x0) mmap(&(0x7f0000800000/0x100000)=nil, 0x100000, 0x3, 0x11, r1, 0xf0000000) mkdirat(0xffffffffffffff9c, &(0x7f0000000800)='./debug\x00', 0x1ff) mount(&(0x7f0000000900)=@filename='debugfs\x00', &(0x7f0000000a00)='./debug\x00', &(0x7f0000000b00)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000c00)='./debug/x86/pat_memtype_list\x00', 0x0, 0x0) read(r2, &(0x7f0000000d00), 0x1000) 966.933437ms ago: executing program 2 (id=18): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) syz_usb_connect(0x0, 0x36, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0x5dc, 0x1, 0x0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x80, 0x32, "", [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x8, 0x6, 0xf3, 0x0, [], [{{0x9, 0x5, 0x81, 0x2, 0x200}}, {{0x9, 0x5, 0x2, 0x2, 0x200}}]}}]}}]}}, &(0x7f0000001000)={0x0, 0x0, 0x0, 0x0}) nanosleep(&(0x7f0000000300)={0x1}, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/usb/drivers/ums-jumpshot/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='1-1:1.0\x00', 0x7) write(r0, &(0x7f0000000310)='2-1:1.0\x00', 0x7) write(r0, &(0x7f0000000320)='3-1:1.0\x00', 0x7) write(r0, &(0x7f0000000330)='4-1:1.0\x00', 0x7) write(r0, &(0x7f0000000340)='5-1:1.0\x00', 0x7) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/usb/drivers/ums-jumpshot/bind\x00', 0x1, 0x0) write(r1, &(0x7f0000000500)='1-1:1.0\x00', 0x7) write(r1, &(0x7f0000000510)='2-1:1.0\x00', 0x7) write(r1, &(0x7f0000000520)='3-1:1.0\x00', 0x7) write(r1, &(0x7f0000000530)='4-1:1.0\x00', 0x7) write(r1, &(0x7f0000000540)='5-1:1.0\x00', 0x7) 715.655773ms ago: executing program 3 (id=19): mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x1000, 0xfff) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000600), 0x2008800, &(0x7f00000010c0)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}}) read$FUSE(r0, &(0x7f0000002100)={0x2020, 0x0, 0x0}, 0x2020) syz_fuse_handle_req(r0, &(0x7f00000062c0)="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58bd76c2427b3d7a0578bbbff9fde2abbc5d60307aff0050b18176158aaedb34e283886378ff798b4f74e0a0c95d64271f1916280dd247304d9201c67f5e2640d9706add8703cac81795a0190107e2bb2941ed13738595da1c86ba0f68e2283a435cb5f162c74071a13dfe2266d05abaef080dd6b1dade115e883e04f0bb4be4d91f535ae6f822b02e814e65d2b7807d199a23d3f26209f6c9f93602a3a93ccfdebb5f8161b7928059674e15820d1848a980c8d1af5a73aadc5c402fbb6e730ba51227913ca27f0d78d331d6325d0a7926c238296b2a22b10a69cdffeb087dfe175511ed8e2cde8d7dae140e4ce92f892b129d9940e4a30b19f822ef7611b8750eaea8e55502604b7d2358c09a217af8be6c86d67cf6ff6130c971c9765d56631fe6224fbe1e833d497b534fbf6b030af93691f59295279aa1bdfb5d5d9d4668d5aea70e2b8fc117df0042e91c7e6225f27329727ed6e14a87c7943c040dfee4e5c06a20251c39a45ab4865951b0daefb9c05571fdcc21d1761945bd2b8047ccedd6f1e708646fbe61e75bb2728e8cee893d7e6f642119e786155a6cbab057d6d83b77716145119e974ad7355179d2adc3d748fa249cb58e32e6791d646240c05da4427b2f359976c8fd1486c604cb7ee647e24633d8fca8314cf1f85110ca6351156a2b26e44b040f7d2810acd36f45a3969c1fafd1a7e0bc14fd9b26593375be8e750c3f6534ffb85904d15d75fba05dac4a673de97f7543ee931724cd35474cd7ff5cf3e8abaf206f3030e92895633fa9d8499ea763601560260109dad18bd64b990531fc5377e6eaa5da050b98e1c6515ea48c7de1a15b63283d4a694cbad379356bfdac50e6c343879e29f6b9ab425600d51f257ceb35d0ca00f83cf5bd734223de716747614666ba1f1a8fa756e5f3ff0fc94fa4bd4073bddb0098cf565ee40af5732ee9218d262e5b64ad6b8118c54eeaf7072f2e15514a401779b425fa89d8abb1750e56cc3108dffdcf2d3fd86b8af4560d56f7ff0702154211f9949e3992d93e66892b297fa2d4bfe18de3fd74e96c9d30eb14fd458fdbc9e9a34e00f3280dd732520147fa2a8fa83e91dd0687501466a300015bf888c03fc08190c2753d7719acf6f84885c4c5642f466c1984f15a7716a9b608ee5f1b395726bcc8519766667d24d11e396e62ea39640c9e73e4e9e9e5076d7019ca1bebbd7097807f46b3b6fcb96ed4b433b25ec551fb176a5fa252ed1d81b0350cfdfb8069c9916495bef3a262b6668910896c0b37eee40547c663a901e92f41b417ac50e88d058d021a8f9a5783bd936cca4962bec1c9886689cc547970f9215232596392515182e563f720bb79d29baaabf0e2697de6500bc677e346847011ee3450358c0b16ca528368b5cbb8df5ab974a3cef072d20c9906fa585e0f3083ec6d8507b8561f64e65aa1aecf825fc47ad1459c87771549fd5c9a9cc094e7b1179ee1e90eff7158f28f59f029d90e708f4ec50b4f67d8b4bb7140065528354a7e25d63e92977183a0284ec22aa923210f0bfea89cca53547137381e5de0f60bc484bc2daf129b0380244f1ed4bfb674eb2791e76dce33cae684ad36620d5d67cb587f840caed316b7439b0e8c3de0e065e62680f3997369be3466670278168c9a1a644d870e3a8d0a79b2b720e8c3c51bb9133532beee64319e98714bb2e6d5c0b723962d923b0ef454361d4b3cb470bf8c39031ed4a75267f499741be15aacac92d8e6afdcb01a2e7d2dbf549ceb2a2108c4079c620f05ca1bd31d631c2c8d35ca0d73155f56ed020c25e389db356edf510ae088d11b5e4fed51d0dce4d3aa04924b09c28200ede5bec1a8f38cc5f081055e0f28d75afc4d588ca0e828d00085d150beafdda17b8df9e7d9218ea7d81f2e076412901c5ae04d6929d717fea2fcc8e5a1e69dbd7b5258799a2fa5eb108b6cc35dfab599fb27e6d75f1030b83f452af8137830337141f031942eba83123d3f87b5f01623d4613e5a44b4952c300baf3d4d3dbbfb0ad024a19b3810a174ef8453d85a25822f66e45eba2490f29de1077683ccc32e3517f88b51e010672a982f7c8591450c9ab1573143aefb61c17ebb0c92dcb0494d116b970c2a827a6b3608ae10d583d1f7d092263fa873de9f31cd59bc9491ff012059b63a9120af89477f2ccc34eee7bd66de60af64730c879128b49d31da6400c2471e0d5abf707e560574b477b8e20ca45d92182d639eb434e14aea1a3f91ad8fb60e4859b77389753990513181ea3a82884235e8520294359435cfba220502b591fc28ac36ec697442657d290bd7aad7fce53a3f1766f2bf7d55c24d7c0e9c7a71d6f1282ea1478e0a36378b50e4fee281f686bc53f50138036e2a5d6199d40caff084fde7b63b3c0a47da0791107c3218330f7c2e2c7609aba202fae5290243b6033379eb15edc572eee452008e04c9b53efd5f3d88327317b38934745bc3de4c55bd818febc7a7953bf03c4029f77177c2a974310f0485aa46252f1000dc71934947287c38ea5854f29c7b82f630afb8caf1fd880670307b155a6e7feddc019cfbbbdc18f3bc03da3bd371d93ccbf56bcb39eea55c2d113efc148127c30089d21ce6a5088dbfbcf8f8d75c19456bc962c371548634a95382acb5a0886efc46a87bdc111dc0d1e54084cea0d58054f00762c91d7fe0f0fbcf4c280f29f9cd5999a5e8c6f507f8080d7c7ea9a8685be50722cf1a082f3728dec8d6152cdc72f8da6b1805643c042f4f6780ba79cc8a2165d9d7acec8ab2f421bc3e77b51c62c4bbb262b5674ea7d2dcf9acb894d050e91b052364322a5b08bd9667249571c004fb495da7e24fc5620adda3af6848ccf238911a52bdbff766e4e279ac274afa2c2302faba25b5fe98d972a04aa13f77c0c05d7dd82b0a19f1ded8cf5f99c80e392b0aab1264a29e9fbcf0b69f6b0a9f2332e09ab74dea7277106d0883bb264e279c67e5bc69009225bf4fd1a8532f9392a011b55a73a7cf8d16a59d695b2a65b57fad64a2041f8c28804ee1a48845c5dab757d04f1d95520aa9ddb69904d6529c0e14bd789dfe37067073b3e0e136ae2aebb1c34c55b94ce942f786be4b45f801f35f7c768d91a460b92ffa57ff675f0b4b00437a07f871a8650f21b2bf7c722c1d9e860e8955fef5699ee53a5f6fe46fb9e5e17a1c69fe2538af4718b7215ad2c00c3d420589a8653ee511b809945451fb8205b19ce377c8d0253b05493c557cf2bd8ef208e8fc01beceea1acca38d025f328f28d69bcfaa3adc6d9573a3832dc3f3c758fe08cf9cd0c32acfddae81b3682869e8aa9725b64336252aeb2ee8eb78f0721aa3158217a3009948adb297c5ea45ec26cb6d963c7be47ee1b93fa136ebe73a21936df0148fa311206f8bca2e80719aeca8745ff74ddaad5182644762c66333f942d9a93c467d5f9fd5d0dbbe57480362d4bb0f760294f4eba3e1b08047d256dbda157635d21a43aff3a71f6ad574b402bb36e5270d7ed082c6fbae07771721513ae9ddb22d23b00733046c898ee6ac05ef8a51ce41919e1f241cb98e0592ace68214620ba1a748ef81131661f58f1635713ca2873e150a3e848c8d2ebd039769fda112b73050efa4d1c35dbb46ca5a7b7ccbed1dcded36af272f6838b4c1e7e6778e7e9ca3d794f275d49c9e32e768097349118d2337e7c031ada38d0cc5c04c286ff93083f6d58d73a821118c93432fda9a8c76fa2cbcc093a7decac8e4f001ecc9f67faf1c2f102120f0618469cf653bbd5fcefd4ef2bae86dc4f5393b840f9f47140cf7f46a186c21878a43612a71d3b540b9994f010ab623f878264cf46c7366d0bec5d43d481b47846091fd3cda73a9a28ceb7f839eca695c9f084a16c812475f6575ef2368c88cc6655f47663ef69ce4779fe3ccc4dd85a07a9e4c6f39f42690d231f5727f45c247a53fd8df029fcefda4f328658435892519c17205a3c715ad6bb7387d09a5e387c83f008daf626f5977c66203af1143ef7b59ccd8e3c17bb156bca317861f0b9f222ea63c044075a3a74beaf05c23d0a75caa60397d831bbe507234fff154960faf0f02776d3f9038c955bf0c1ec9c92523cf0b855c18d6ac3b35d437796420ba3dfd581dc6adac64315c1cb1a2c3a45ec4655bb2bd6e0b4a3082281ed0697a213d1d93142e96b4fd57431d2f4547451d008ab58bcd9765ccf3ca3297becd5de9e2be0263cfca09935c9334b5e687bc7e7057dc2ed03873be22200c9fe32a9497dd00a336cf4c723ead302340b5cd1fef8cd88330a9089fc93af4ef739295b94407b291bf33f4f39c936736e1166106428f8796a4b92805f4dfcf46d8692b54e40a9e8584c0eaac4caada87bb33f553eafeef5051b889402176ab766936a38ddd7e5205d2c87e133a02e84ab24ba2d889a4c4db8cbe18b271455e84da716f4a32acdbc0a5aaba25a2ec757c73847dd1c4ccb2967c651e5257692a4553dde227846bfe2977021805f46a287c835ea8dc5", 0x2000, &(0x7f00000015c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000440)={0x10, 0xffffffffffffffda, 0x3ff, {0x0, 0xb}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) write$FUSE_INIT(r0, &(0x7f0000000180)={0x50, 0x0, r1, {0x7, 0x2b, 0xfffffffe, 0x300040ac, 0x0, 0xffff, 0x6, 0xfffffffe, 0x0, 0x0, 0x1, 0x100}}, 0x50) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file0\x00', 0xa8f86, 0x1) close(r0) 703.324354ms ago: executing program 1 (id=20): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_GET_MSRS_cpu(r2, 0xc008ae88, &(0x7f0000000140)={0x2, 0x0, [{0x1dc, 0x0, 0x2}, {0x611, 0x0, 0x1}]}) 643.218564ms ago: executing program 1 (id=21): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) close(0xffffffffffffffff) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100', 0x3) close(r1) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x1b, &(0x7f0000000040)=0x8, 0x4) r3 = userfaultfd(0x1) r4 = getpgrp(0x0) r5 = syz_pidfd_open(r4, 0x0) fsetxattr$trusted_overlay_nlink(r5, &(0x7f00000018c0), 0x0, 0x0, 0x1) fremovexattr(r5, &(0x7f0000000280)=@known='trusted.overlay.nlink\x00') socket$nl_netfilter(0x10, 0x3, 0xc) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='numa_maps\x00') prctl$PR_SET_SECCOMP(0x16, 0x1, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='fd/3\x00') r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_ADD(r6, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)={0x2c, 0x9, 0x6, 0x201, 0x0, 0x0, {0x0, 0x0, 0x3}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_DATA={0x4}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10000047}, 0x4000084) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000180)={0xaa, 0x463}) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) 457.18766ms ago: executing program 3 (id=22): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f00000001c0)={0x0, &(0x7f0000000200)=[@code={0xa, 0x13, {"ebfe"}}], 0x13}) ioctl$KVM_RUN(r3, 0xae80, 0x0) (async) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x1, 0x0, 0x200000, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_CLOCK(r1, 0x4030ae7b, &(0x7f0000000240)) ioctl$KVM_X86_SET_MSR_FILTER(r1, 0x4188aec6, &(0x7f0000000440)) ioctl$KVM_INTERRUPT(r3, 0x4004ae86, &(0x7f0000000040)=0x20) ioctl$KVM_NMI(r3, 0xae9a) 331.694862ms ago: executing program 1 (id=23): r0 = syz_clone(0x0, &(0x7f0000001100), 0x0, 0x0, 0x0, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='cgroup2\x00', 0x0, 0x0) r2 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) r3 = openat$cgroup_subtree(r2, &(0x7f00000001c0), 0x2, 0x0) write$cgroup_subtree(r3, &(0x7f0000000100)={[{0x2d, 'pids'}]}, 0x6) r4 = openat$cgroup_procs(r1, &(0x7f00000009c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r4, &(0x7f0000000380)=r0, 0x12) 153.91µs ago: executing program 3 (id=24): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1c0) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1\x00', 0x1c0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/strings/0x409\x00', 0x1c0) rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/strings/0x409\x00') 0s ago: executing program 32 (id=24): mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1c0) mount(&(0x7f0000000080)=@filename='none\x00', &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1\x00', 0x1c0) mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/usb_gadget/g1/strings/0x409\x00', 0x1c0) rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/strings/0x409\x00') kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts. [ 27.975630][ T36] audit: type=1400 audit(1785410666.090:64): avc: denied { mounton } for pid=286 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 27.976733][ T286] cgroup: Unknown subsys name 'net' [ 27.998364][ T36] audit: type=1400 audit(1785410666.090:65): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 28.025739][ T36] audit: type=1400 audit(1785410666.130:66): avc: denied { unmount } for pid=286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 28.025918][ T286] cgroup: Unknown subsys name 'devices' [ 28.170341][ T286] cgroup: Unknown subsys name 'hugetlb' [ 28.175973][ T286] cgroup: Unknown subsys name 'rlimit' [ 28.298297][ T36] audit: type=1400 audit(1785410666.410:67): avc: denied { setattr } for pid=286 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 28.321584][ T36] audit: type=1400 audit(1785410666.420:68): avc: denied { mounton } for pid=286 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 28.330038][ T288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 28.346491][ T36] audit: type=1400 audit(1785410666.420:69): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 28.378337][ T36] audit: type=1400 audit(1785410666.480:70): avc: denied { relabelto } for pid=288 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 28.404054][ T36] audit: type=1400 audit(1785410666.480:71): avc: denied { write } for pid=288 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 28.442039][ T36] audit: type=1400 audit(1785410666.560:72): avc: denied { read } for pid=286 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 28.467993][ T36] audit: type=1400 audit(1785410666.560:73): avc: denied { open } for pid=286 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 28.468249][ T286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 29.301591][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.308706][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.315790][ T295] bridge_slave_0: entered allmulticast mode [ 29.322251][ T295] bridge_slave_0: entered promiscuous mode [ 29.328608][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.335643][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.342823][ T294] bridge_slave_0: entered allmulticast mode [ 29.349157][ T294] bridge_slave_0: entered promiscuous mode [ 29.355329][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.362423][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.369503][ T293] bridge_slave_0: entered allmulticast mode [ 29.375656][ T293] bridge_slave_0: entered promiscuous mode [ 29.381925][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.389000][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.396059][ T295] bridge_slave_1: entered allmulticast mode [ 29.402377][ T295] bridge_slave_1: entered promiscuous mode [ 29.408443][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.415469][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.422588][ T294] bridge_slave_1: entered allmulticast mode [ 29.428806][ T294] bridge_slave_1: entered promiscuous mode [ 29.439417][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.446469][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.453583][ T293] bridge_slave_1: entered allmulticast mode [ 29.459790][ T293] bridge_slave_1: entered promiscuous mode [ 29.523568][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.530800][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.537955][ T296] bridge_slave_0: entered allmulticast mode [ 29.544709][ T296] bridge_slave_0: entered promiscuous mode [ 29.566305][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.573492][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.580625][ T296] bridge_slave_1: entered allmulticast mode [ 29.586771][ T296] bridge_slave_1: entered promiscuous mode [ 29.686956][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.694032][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.701338][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.708353][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.730175][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.737235][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.744574][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.751632][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.778049][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.785149][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.792497][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.799548][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.809017][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.816067][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.823365][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.830405][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.869570][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.877074][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.884708][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.892696][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.900089][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.907486][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.915162][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.922451][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.940345][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.947414][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.955277][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.962344][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.970412][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.977447][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.984986][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.992031][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.013244][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.020332][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.050379][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.057456][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.074518][ T296] veth0_vlan: entered promiscuous mode [ 30.088342][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.095447][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.108912][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.115953][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.141971][ T295] veth0_vlan: entered promiscuous mode [ 30.155487][ T294] veth0_vlan: entered promiscuous mode [ 30.172902][ T296] veth1_macvtap: entered promiscuous mode [ 30.181823][ T295] veth1_macvtap: entered promiscuous mode [ 30.188948][ T293] veth0_vlan: entered promiscuous mode [ 30.196064][ T294] veth1_macvtap: entered promiscuous mode [ 30.219787][ T293] veth1_macvtap: entered promiscuous mode [ 30.245772][ T294] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 30.306007][ T316] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 30.496481][ T332] netlink: 4 bytes leftover after parsing attributes in process `syz.2.8'. [ 30.778900][ T344] lvs 1-0:1.0: Bind LVS driver with SS root Hub only [ 30.785648][ T344] lvs 1-0:1.0: probe with driver lvs failed with error -22 [ 30.794166][ T344] lvs 2-0:1.0: Bind LVS driver with SS root Hub only [ 30.800877][ T344] lvs 2-0:1.0: probe with driver lvs failed with error -22 [ 30.809617][ T344] lvs 3-0:1.0: Bind LVS driver with SS root Hub only [ 30.816362][ T344] lvs 3-0:1.0: probe with driver lvs failed with error -22 [ 30.824685][ T344] lvs 4-0:1.0: Bind LVS driver with SS root Hub only [ 30.831616][ T344] lvs 4-0:1.0: probe with driver lvs failed with error -22 [ 30.839997][ T344] lvs 5-0:1.0: Bind LVS driver with SS root Hub only [ 30.846718][ T344] lvs 5-0:1.0: probe with driver lvs failed with error -22 [ 31.250756][ T361] FAULT_INJECTION: forcing a failure. [ 31.250756][ T361] name failslab, interval 1, probability 10, space 0, times 100 [ 31.263840][ T361] CPU: 0 UID: 0 PID: 361 Comm: syz.1.21 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.263859][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.263872][ T361] Call Trace: [ 31.263876][ T361] [ 31.263881][ T361] __dump_stack+0x21/0x30 [ 31.263904][ T361] dump_stack_lvl+0x140/0x1c0 [ 31.263918][ T361] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.263933][ T361] dump_stack+0x19/0x20 [ 31.263946][ T361] should_fail_ex+0x3c2/0x510 [ 31.263958][ T361] should_failslab+0xac/0x100 [ 31.263970][ T361] kmem_cache_alloc_noprof+0x42/0x410 [ 31.263981][ T361] ? security_inode_alloc+0x51/0x230 [ 31.263993][ T361] security_inode_alloc+0x51/0x230 [ 31.264005][ T361] inode_init_always_gfp+0x756/0x9e0 [ 31.264017][ T361] alloc_inode+0xc5/0x270 [ 31.264029][ T361] new_inode_pseudo+0x19/0x40 [ 31.264041][ T361] path_from_stashed+0x208/0x860 [ 31.264056][ T361] ? replace_fd+0x190/0x190 [ 31.264067][ T361] ? __cfi_path_from_stashed+0x10/0x10 [ 31.264081][ T361] ? _raw_spin_lock+0x92/0x120 [ 31.264092][ T361] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.264102][ T361] ? do_futex+0x32a/0x510 [ 31.264116][ T361] pidfs_alloc_file+0x109/0x1e0 [ 31.264127][ T361] ? _raw_spin_unlock+0x45/0x60 [ 31.264139][ T361] ? __cfi_pidfs_alloc_file+0x10/0x10 [ 31.264149][ T361] pidfd_prepare+0x80/0x150 [ 31.264161][ T361] __se_sys_pidfd_open+0xd6/0x250 [ 31.264174][ T361] ? __x64_sys_pidfd_open+0x80/0x80 [ 31.264186][ T361] ? __kasan_check_write+0x18/0x20 [ 31.264197][ T361] __x64_sys_pidfd_open+0x5f/0x80 [ 31.264209][ T361] x64_sys_call+0x28c0/0x2ee0 [ 31.264219][ T361] do_syscall_64+0x57/0xf0 [ 31.264230][ T361] ? clear_bhb_loop+0x50/0xa0 [ 31.264243][ T361] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.264255][ T361] RIP: 0033:0x7fae94f9df99 [ 31.264268][ T361] 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 [ 31.264277][ T361] RSP: 002b:00007fae95dab018 EFLAGS: 00000246 ORIG_RAX: 00000000000001b2 [ 31.264293][ T361] RAX: ffffffffffffffda RBX: 00007fae95225fa0 RCX: 00007fae94f9df99 [ 31.264301][ T361] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 [ 31.264307][ T361] RBP: 00007fae95034ec4 R08: 0000000000000000 R09: 0000000000000000 [ 31.264313][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.264320][ T361] R13: 00007fae95226038 R14: 00007fae95225fa0 R15: 00007ffdb7616ad8 [ 31.264329][ T361] [ 31.266747][ T361] FAULT_INJECTION: forcing a failure. [ 31.266747][ T361] name failslab, interval 1, probability 10, space 0, times 99 [ 31.278851][ T99] FAULT_INJECTION: forcing a failure. [ 31.278851][ T99] name failslab, interval 1, probability 10, space 0, times 99 [ 31.288555][ T361] CPU: 0 UID: 0 PID: 361 Comm: syz.1.21 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.288584][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.288596][ T361] Call Trace: [ 31.288603][ T361] [ 31.288610][ T361] __dump_stack+0x21/0x30 [ 31.288639][ T361] dump_stack_lvl+0x140/0x1c0 [ 31.288662][ T361] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.288688][ T361] dump_stack+0x19/0x20 [ 31.288708][ T361] should_fail_ex+0x3c2/0x510 [ 31.288729][ T361] ? sk_prot_alloc+0x104/0x3a0 [ 31.288767][ T361] should_failslab+0xac/0x100 [ 31.288793][ T361] __kmalloc_noprof+0x69/0x510 [ 31.288812][ T361] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 31.288833][ T361] ? sk_prot_alloc+0x104/0x3a0 [ 31.288858][ T361] sk_prot_alloc+0x104/0x3a0 [ 31.288883][ T361] sk_alloc+0x40/0x590 [ 31.288908][ T361] netlink_create+0x3d0/0x630 [ 31.288927][ T361] ? __cfi_nfnetlink_bind+0x10/0x10 [ 31.288949][ T361] ? __cfi_nfnetlink_unbind+0x10/0x10 [ 31.288973][ T361] __sock_create+0x3a5/0x810 [ 31.288997][ T361] __sys_socket+0xe1/0x1c0 [ 31.289019][ T361] __x64_sys_socket+0x7e/0x90 [ 31.289042][ T361] x64_sys_call+0x2608/0x2ee0 [ 31.289059][ T361] do_syscall_64+0x57/0xf0 [ 31.289078][ T361] ? clear_bhb_loop+0x50/0xa0 [ 31.289101][ T361] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.289124][ T361] RIP: 0033:0x7fae94f9df99 [ 31.289140][ T361] 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 [ 31.289155][ T361] RSP: 002b:00007fae95dab028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 31.289176][ T361] RAX: ffffffffffffffda RBX: 00007fae95225fa0 RCX: 00007fae94f9df99 [ 31.289190][ T361] RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010 [ 31.289201][ T361] RBP: 00007fae95034ec4 R08: 0000000000000000 R09: 0000000000000000 [ 31.289214][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.289225][ T361] R13: 00007fae95226038 R14: 00007fae95225fa0 R15: 00007ffdb7616ad8 [ 31.289240][ T361] [ 31.289532][ T312] FAULT_INJECTION: forcing a failure. [ 31.289532][ T312] name failslab, interval 1, probability 10, space 0, times 97 ** 2 printk messages dropped ** [ 31.298470][ T99] Call Trace: ** 40 printk messages dropped ** [ 31.299295][ T99] R13: 00007fffeff2f2f0 R14: 000000000000001e R15: 00007fffeff2f2f0 [ 31.299310][ T99] [ 31.303004][ T99] FAULT_INJECTION: forcing a failure. [ 31.303004][ T99] name failslab, interval 1, probability 10, space 0, times 96 [ 31.304088][ T10] FAULT_INJECTION: forcing a failure. [ 31.304088][ T10] name failslab, interval 1, probability 10, space 0, times 96 ** 68 printk messages dropped ** [ 31.318975][ T99] __x64_sys_socket+0x7e/0x90 ** 62 printk messages dropped ** [ 31.323888][ T312] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.323905][ T312] ? __alloc_skb+0x10c/0x360 [ 31.323928][ T312] ? ip6_ins_rt+0xe1/0x140 [ 31.323950][ T312] __alloc_skb+0x10c/0x360 ** 38 printk messages dropped ** [ 31.329035][ T361] kmem_cache_alloc_noprof+0x42/0x410 ** 1 printk messages dropped ** [ 31.329077][ T361] ? alloc_empty_file+0xbf/0x270 [ 31.329100][ T361] ? arch_stack_walk+0x10a/0x170 ** 1 printk messages dropped ** [ 31.329141][ T361] path_openat+0xf4/0x35a0 ** 1 printk messages dropped ** [ 31.329185][ T361] ? schedule+0xc5/0x240 ** 2 printk messages dropped ** [ 31.329245][ T361] ? kasan_save_alloc_info+0x3a/0x50 ** 37 printk messages dropped ** [ 31.348281][ T312] ? ref_tracker_alloc+0x356/0x5b0 ** 85 printk messages dropped ** [ 31.357967][ T312] ? __cfi_br_multicast_count+0x10/0x10 ** 55 printk messages dropped ** SYZFAIL: pipe failed (errno 23: Too many open files in system) [ 31.367790][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.367818][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.367843][ T312] ? ref_tracker_alloc+0x356/0x5b0 [ 31.367865][ T312] ? __cfi_ref_tracker_alloc+0x10/0x10 [ 31.367887][ T312] ? dst_alloc+0x163/0x240 [ 31.367907][ T312] dump_stack+0x19/0x20 [ 31.367930][ T312] should_fail_ex+0x3c2/0x510 [ 31.367951][ T312] should_failslab+0xac/0x100 ** 33 printk messages dropped ** [ 31.377638][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.377649][ T295] Call Trace: [ 31.377655][ T295] [ 31.377662][ T295] __dump_stack+0x21/0x30 [ 31.377689][ T295] dump_stack_lvl+0x140/0x1c0 [ 31.377712][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.377736][ T295] dump_stack+0x19/0x20 [ 31.377764][ T295] should_fail_ex+0x3c2/0x510 [ 31.377784][ T295] should_failslab+0xac/0x100 [ 31.377806][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 31.377824][ T295] ? skb_clone+0x21d/0x470 [ 31.377841][ T295] ? _raw_read_lock_irqsave+0x92/0xf0 [ 31.377863][ T295] skb_clone+0x21d/0x470 [ 31.377878][ T295] netlink_broadcast_filtered+0x691/0x11d0 [ 31.377907][ T295] netlink_broadcast+0x3e/0x60 [ 31.377932][ T295] kobject_uevent_net_broadcast+0x3de/0x5e0 [ 31.377955][ T295] kobject_uevent_env+0x551/0x7e0 [ 31.377976][ T295] kobject_uevent+0x21/0x40 [ 31.377997][ T295] device_del+0xb7f/0xcf0 [ 31.378020][ T295] ? mntput+0xd0/0xd0 [ 31.378044][ T295] ? __cfi_device_del+0x10/0x10 [ 31.378067][ T295] ? mntput+0x63/0xd0 [ 31.378089][ T295] ? simple_release_fs+0xb4/0xe0 [ 31.378112][ T295] device_unregister+0x19/0x40 [ 31.378135][ T295] bdi_unregister+0x7c8/0x8c0 [ 31.378159][ T295] ? __cfi_hook_sb_delete+0x10/0x10 [ 31.378181][ T295] ? __cfi_bdi_unregister+0x10/0x10 [ 31.378205][ T295] ? __kasan_check_write+0x18/0x20 [ 31.378222][ T295] generic_shutdown_super+0x269/0x410 [ 31.378247][ T295] kill_anon_super+0x4b/0x1d0 [ 31.378271][ T295] fuse_kill_sb_anon+0x228/0x290 [ 31.378295][ T295] ? shrinker_free+0x27d/0x350 [ 31.378313][ T295] deactivate_locked_super+0xd5/0x270 [ 31.378337][ T295] deactivate_super+0xb8/0xe0 [ 31.378360][ T295] cleanup_mnt+0x438/0x4d0 [ 31.378382][ T295] __cleanup_mnt+0x1d/0x40 [ 31.378402][ T295] task_work_run+0x1e8/0x260 [ 31.378424][ T295] ? __cfi_task_work_run+0x10/0x10 [ 31.378445][ T295] ? __x64_sys_umount+0x12e/0x180 [ 31.378461][ T295] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.378476][ T295] ? __kasan_check_read+0x15/0x20 [ 31.378493][ T295] resume_user_mode_work+0x35/0x50 [ 31.378514][ T295] syscall_exit_to_user_mode+0x63/0xb0 [ 31.378539][ T295] do_syscall_64+0x63/0xf0 [ 31.378558][ T295] ? clear_bhb_loop+0x50/0xa0 [ 31.378580][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.378601][ T295] RIP: 0033:0x7f5f1239f1d7 [ 31.378617][ T295] 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 [ 31.378631][ T295] RSP: 002b:00007ffe5c6e0fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 31.378650][ T295] RAX: 0000000000000000 RBX: 00007f5f12434314 RCX: 00007f5f1239f1d7 [ 31.378662][ T295] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe5c6e10a0 [ 31.378674][ T295] RBP: 00007ffe5c6e10a0 R08: 00007ffe5c6e20a0 R09: 00000000ffffffff [ 31.378686][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5c6e2130 [ 31.378698][ T295] R13: 00007f5f12434314 R14: 0000000000007a62 R15: 00007ffe5c6e2170 [ 31.378712][ T295] [ 31.379131][ T295] FAULT_INJECTION: forcing a failure. [ 31.379131][ T295] name failslab, interval 1, probability 10, space 0, times 80 [ 31.381947][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.381972][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.381983][ T99] Call Trace: [ 31.381989][ T99] [ 31.381994][ T99] __dump_stack+0x21/0x30 [ 31.382021][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.382043][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.382066][ T99] ? stack_depot_save_flags+0x38/0x800 [ 31.382088][ T99] dump_stack+0x19/0x20 [ 31.382110][ T99] should_fail_ex+0x3c2/0x510 [ 31.382130][ T99] should_failslab+0xac/0x100 [ 31.382150][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.382169][ T99] ? __d_alloc+0x42/0x8c0 [ 31.382185][ T99] ? expand_files+0xda/0x6f0 [ 31.382207][ T99] __d_alloc+0x42/0x8c0 [ 31.382223][ T99] d_alloc_pseudo+0x23/0xc0 [ 31.382238][ T99] alloc_file_pseudo+0xde/0x1f0 [ 31.382267][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 31.382290][ T99] ? _raw_spin_unlock+0x45/0x60 [ 31.382311][ T99] sock_alloc_file+0xbe/0x2b0 [ 31.382332][ T99] __sys_socket+0x14c/0x1c0 [ 31.382354][ T99] __x64_sys_socket+0x7e/0x90 [ 31.382376][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.382393][ T99] do_syscall_64+0x57/0xf0 [ 31.382411][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.382434][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.382456][ T99] RIP: 0033:0x7fe9883d5707 [ 31.382475][ 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 [ 31.382489][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.382507][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.382520][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.382531][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.382543][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.382553][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000032 R15: 00007fffeff2f2f0 [ 31.382568][ T99] [ 31.382657][ T99] FAULT_INJECTION: forcing a failure. [ 31.382657][ T99] name failslab, interval 1, probability 10, space 0, times 79 [ 31.387061][ C0] FAULT_INJECTION: forcing a failure. [ 31.387061][ C0] name failslab, interval 1, probability 10, space 0, times 79 [ 31.391760][ T110] FAULT_INJECTION: forcing a failure. [ 31.391760][ T110] name failslab, interval 1, probability 10, space 0, times 79 [ 31.396913][ C0] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.396938][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.396951][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.396975][ C0] Call Trace: [ 31.396981][ C0] [ 31.396988][ C0] __dump_stack+0x21/0x30 [ 31.397016][ C0] dump_stack_lvl+0x140/0x1c0 [ 31.397039][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.397064][ C0] dump_stack+0x19/0x20 [ 31.397087][ C0] should_fail_ex+0x3c2/0x510 [ 31.397108][ C0] should_failslab+0xac/0x100 [ 31.397131][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 31.397149][ C0] ? skb_clone+0x21d/0x470 [ 31.397166][ C0] ? __cfi_br_multicast_count+0x10/0x10 [ 31.397193][ C0] skb_clone+0x21d/0x470 [ 31.397210][ C0] br_flood+0x650/0x720 [ 31.397229][ C0] br_handle_frame_finish+0x1157/0x1620 [ 31.397250][ C0] ? mld_sendpack+0x751/0xd10 [ 31.397269][ C0] ? mld_send_initial_cr+0x1c0/0x320 [ 31.397289][ C0] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 31.397313][ C0] br_handle_frame+0x5a5/0xba0 [ 31.397334][ C0] ? __cfi_br_handle_frame+0x10/0x10 [ 31.397354][ C0] __netif_receive_skb_core+0xfc1/0x3a70 [ 31.397381][ C0] ? __kfree_skb+0x18f/0x210 [ 31.397406][ C0] ? ip6_mc_input+0x433/0x680 [ 31.397431][ C0] ? ip6_mc_input+0x433/0x680 [ 31.397455][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.397480][ C0] ? qdisc_run_end+0x120/0x120 [ 31.397503][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.397527][ C0] ? ip6_rcv_finish+0x344/0x3c0 [ 31.397552][ C0] ? ipv6_rcv+0xf1/0x240 [ 31.397574][ C0] ? ttwu_do_activate+0x1f4/0x620 [ 31.397595][ C0] ? __kasan_check_write+0x18/0x20 [ 31.397613][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.397633][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.397653][ C0] ? ttwu_do_activate+0x620/0x620 [ 31.397673][ C0] process_backlog+0x40b/0xaf0 [ 31.397699][ C0] ? try_to_wake_up+0x111a/0x1fd0 [ 31.397720][ C0] ? __kasan_check_write+0x18/0x20 [ 31.397739][ C0] __napi_poll+0xd0/0x600 [ 31.397772][ C0] net_rx_action+0x5dc/0xd70 [ 31.397797][ C0] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 31.397820][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 31.397845][ C0] ? sched_clock+0x44/0x60 [ 31.397868][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 31.397894][ C0] ? sched_clock+0x44/0x60 [ 31.397917][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 31.397942][ C0] handle_softirqs+0x1aa/0x620 [ 31.397962][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 31.397985][ C0] __do_softirq+0xf/0x16 [ 31.398007][ C0] do_softirq+0xb8/0x110 [ 31.398024][ C0] [ 31.398030][ C0] [ 31.398036][ C0] ? __cfi_do_softirq+0x10/0x10 [ 31.398055][ C0] __local_bh_enable_ip+0x74/0x80 [ 31.398071][ C0] __dev_queue_xmit+0x1b23/0x3780 [ 31.398096][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 31.398120][ C0] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.398142][ C0] ? __cfi___dev_queue_xmit+0x10/0x10 [ 31.398166][ C0] ? ref_tracker_alloc+0x356/0x5b0 [ 31.398188][ C0] ? ndisc_mc_map+0x39d/0x760 [ 31.398205][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.398223][ C0] ? __kasan_check_write+0x18/0x20 [ 31.398241][ C0] ? _raw_write_lock_bh+0x96/0xf0 [ 31.398261][ C0] ? __cfi__raw_write_lock_bh+0x10/0x10 [ 31.398282][ C0] ? eth_header+0x11d/0x1f0 [ 31.398307][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.398324][ C0] ? eth_header+0x11d/0x1f0 [ 31.398349][ C0] neigh_resolve_output+0x6f5/0x810 [ 31.398377][ C0] ip6_finish_output2+0x16fd/0x1990 [ 31.398404][ C0] ? __cfi_ip6_finish_output2+0x10/0x10 [ 31.398429][ C0] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 31.398451][ C0] ip6_finish_output+0x535/0xaf0 [ 31.398473][ C0] ip6_output+0x1fe/0x420 [ 31.398495][ C0] ? __cfi_ip6_output+0x10/0x10 [ 31.398516][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 31.398537][ C0] ? __cfi_ip6t_do_table+0x10/0x10 [ 31.398554][ C0] ? __cfi_ip6_output+0x10/0x10 [ 31.398574][ C0] ndisc_send_skb+0x777/0xca0 [ 31.398593][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.398611][ C0] ? __cfi_dst_output+0x10/0x10 [ 31.398629][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.398647][ C0] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.398665][ C0] ndisc_send_rs+0x675/0x880 [ 31.398683][ C0] addrconf_dad_completed+0x973/0xef0 [ 31.398706][ C0] ? addrconf_dad_stop+0x460/0x460 [ 31.398725][ C0] addrconf_dad_work+0xc7f/0x1550 [ 31.398751][ C0] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.398769][ C0] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.398788][ C0] ? kick_pool+0xb9/0x540 [ 31.398809][ C0] process_scheduled_works+0x7f7/0x1060 [ 31.398830][ C0] worker_thread+0xc99/0x13f0 [ 31.398849][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.398869][ C0] ? __kasan_check_read+0x15/0x20 [ 31.398887][ C0] kthread+0x2c7/0x360 [ 31.398907][ C0] ? __cfi_worker_thread+0x10/0x10 [ 31.398925][ C0] ? __cfi_kthread+0x10/0x10 [ 31.398945][ C0] ret_from_fork+0x67/0xa0 [ 31.398969][ C0] ? __cfi_kthread+0x10/0x10 [ 31.398988][ C0] ret_from_fork_asm+0x1a/0x30 [ 31.399006][ C0] [ 31.399263][ T312] FAULT_INJECTION: forcing a failure. [ 31.399263][ T312] name failslab, interval 1, probability 10, space 0, times 77 [ 31.401463][ T45] CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.401487][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.401499][ T45] Workqueue: mld mld_ifc_work [ 31.401520][ T45] Call Trace: [ 31.401526][ T45] [ 31.401533][ T45] __dump_stack+0x21/0x30 [ 31.401557][ T45] dump_stack_lvl+0x140/0x1c0 [ 31.401579][ T45] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.401603][ T45] ? __kasan_check_write+0x18/0x20 [ 31.401620][ T45] ? _raw_spin_lock+0x92/0x120 [ 31.401639][ T45] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.401658][ T45] dump_stack+0x19/0x20 [ 31.401679][ T45] should_fail_ex+0x3c2/0x510 [ 31.401699][ T45] should_failslab+0xac/0x100 [ 31.401720][ T45] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.401739][ T45] ? __alloc_skb+0x10c/0x360 [ 31.401761][ T45] __alloc_skb+0x10c/0x360 [ 31.401783][ T45] mld_newpack+0x162/0xa10 [ 31.401801][ T45] ? __switch_to+0xc6b/0x1320 [ 31.401827][ T45] ? mld_sendpack+0xd10/0xd10 [ 31.401846][ T45] ? kthread_data+0x54/0xc0 [ 31.401864][ T45] add_grec+0xf20/0x1400 [ 31.401882][ T45] ? __mutex_lock_slowpath+0xe/0x20 [ 31.401905][ T45] ? mutex_lock+0x113/0x1d0 [ 31.401927][ T45] ? __cfi_mutex_lock+0x10/0x10 [ 31.401950][ T45] ? __schedule+0x149e/0x20b0 [ 31.401971][ T45] mld_ifc_work+0x71d/0xc40 [ 31.401990][ T45] process_scheduled_works+0x7f7/0x1060 [ 31.402011][ T45] worker_thread+0xc99/0x13f0 [ 31.402030][ T45] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.402050][ T45] ? __kasan_check_read+0x15/0x20 [ 31.402067][ T45] kthread+0x2c7/0x360 [ 31.402085][ T45] ? __cfi_worker_thread+0x10/0x10 [ 31.402102][ T45] ? __cfi_kthread+0x10/0x10 [ 31.402122][ T45] ret_from_fork+0x67/0xa0 [ 31.402145][ T45] ? __cfi_kthread+0x10/0x10 [ 31.402164][ T45] ret_from_fork_asm+0x1a/0x30 [ 31.402181][ T45] [ 31.403317][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.403342][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.403351][ T99] Call Trace: [ 31.403357][ T99] [ 31.403363][ T99] __dump_stack+0x21/0x30 [ 31.403388][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.403411][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.403434][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 31.403456][ T99] dump_stack+0x19/0x20 [ 31.403478][ T99] should_fail_ex+0x3c2/0x510 [ 31.403497][ T99] should_failslab+0xac/0x100 [ 31.403518][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.403537][ T99] ? sock_alloc_inode+0x48/0x150 [ 31.403558][ T99] sock_alloc_inode+0x48/0x150 [ 31.403579][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 31.403599][ T99] alloc_inode+0x7a/0x270 [ 31.403620][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 31.403640][ T99] new_inode_pseudo+0x19/0x40 [ 31.403661][ T99] __sock_create+0x130/0x810 [ 31.403683][ T99] __sys_socket+0xe1/0x1c0 [ 31.403706][ T99] __x64_sys_socket+0x7e/0x90 [ 31.403728][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.403744][ T99] do_syscall_64+0x57/0xf0 [ 31.403763][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.403785][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.403807][ T99] RIP: 0033:0x7fe9883d5707 [ 31.403822][ 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 [ 31.403836][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.403855][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.403867][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.403878][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.403890][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.403901][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000035 R15: 00007fffeff2f2f0 [ 31.403916][ T99] [ 31.403924][ T99] socket: no more sockets [ 31.406432][ T312] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.406455][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.406466][ T312] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.406486][ T312] Call Trace: [ 31.406492][ T312] [ 31.406498][ T312] __dump_stack+0x21/0x30 [ 31.406522][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.406546][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.406568][ T312] ? __cfi_fib6_add+0x10/0x10 [ 31.406591][ T312] dump_stack+0x19/0x20 [ 31.406613][ T312] should_fail_ex+0x3c2/0x510 [ 31.406632][ T312] should_failslab+0xac/0x100 [ 31.406653][ T312] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.406671][ T312] ? __alloc_skb+0x10c/0x360 [ 31.406698][ T312] ? ip6_ins_rt+0xe1/0x140 [ 31.406720][ T312] __alloc_skb+0x10c/0x360 [ 31.406748][ T312] mld_newpack+0x162/0xa10 [ 31.406767][ T312] ? __ipv6_ifa_notify+0xc52/0xee0 [ 31.406786][ T312] ? mld_sendpack+0xd10/0xd10 [ 31.406806][ T312] ? snmp6_fill_stats+0x9b0/0x9b0 [ 31.406824][ T312] ? timer_delete+0x101/0x3e0 [ 31.406844][ T312] add_grec+0xf20/0x1400 [ 31.406862][ T312] ? work_grab_pending+0x301/0x830 [ 31.406885][ T312] ? mutex_lock+0x97/0x1d0 [ 31.406908][ T312] mld_send_initial_cr+0x157/0x320 [ 31.406926][ T312] ipv6_mc_dad_complete+0x8b/0x460 [ 31.406944][ T312] addrconf_dad_completed+0x74f/0xef0 [ 31.406963][ T312] ? addrconf_dad_stop+0x460/0x460 [ 31.406982][ T312] addrconf_dad_work+0xc7f/0x1550 [ 31.407001][ T312] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.407019][ T312] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.407037][ T312] ? kick_pool+0xb9/0x540 [ 31.407057][ T312] process_scheduled_works+0x7f7/0x1060 [ 31.407078][ T312] worker_thread+0xc99/0x13f0 [ 31.407096][ T312] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.407116][ T312] ? __kasan_check_read+0x15/0x20 [ 31.407134][ T312] kthread+0x2c7/0x360 [ 31.407153][ T312] ? __cfi_worker_thread+0x10/0x10 [ 31.407170][ T312] ? __cfi_kthread+0x10/0x10 [ 31.407189][ T312] ret_from_fork+0x67/0xa0 [ 31.407213][ T312] ? __cfi_kthread+0x10/0x10 [ 31.407232][ T312] ret_from_fork_asm+0x1a/0x30 [ 31.407249][ T312] [ 31.407678][ T312] FAULT_INJECTION: forcing a failure. [ 31.407678][ T312] name failslab, interval 1, probability 10, space 0, times 73 [ 31.411750][ T361] CPU: 1 UID: 0 PID: 361 Comm: syz.1.21 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.411779][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.411790][ T361] Call Trace: [ 31.411796][ T361] [ 31.411803][ T361] __dump_stack+0x21/0x30 [ 31.411831][ T361] dump_stack_lvl+0x140/0x1c0 [ 31.411856][ T361] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.411883][ T361] dump_stack+0x19/0x20 [ 31.411907][ T361] should_fail_ex+0x3c2/0x510 [ 31.411928][ T361] should_failslab+0xac/0x100 [ 31.411949][ T361] kmem_cache_alloc_noprof+0x42/0x410 [ 31.411968][ T361] ? getname_flags+0xcc/0x6b0 [ 31.411988][ T361] ? __kasan_slab_free+0x6a/0x80 [ 31.412009][ T361] getname_flags+0xcc/0x6b0 [ 31.412028][ T361] getname+0x1b/0x30 [ 31.412047][ T361] do_sys_openat2+0xda/0x1d0 [ 31.412071][ T361] ? do_sys_open+0x100/0x100 [ 31.412097][ T361] __x64_sys_openat+0x13a/0x170 [ 31.412121][ T361] x64_sys_call+0xe69/0x2ee0 [ 31.412137][ T361] do_syscall_64+0x57/0xf0 [ 31.412157][ T361] ? clear_bhb_loop+0x50/0xa0 [ 31.412181][ T361] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.412204][ T361] RIP: 0033:0x7fae94f5e7ce [ 31.412218][ T361] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 31.412233][ T361] RSP: 002b:00007fae95daaec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 31.412260][ T361] RAX: ffffffffffffffda RBX: 00007fae95dab6c0 RCX: 00007fae94f5e7ce [ 31.412275][ T361] RDX: 0000000000000000 RSI: 00007fae95daaf90 RDI: ffffffffffffff9c [ 31.412289][ T361] RBP: 00007fae95034ec4 R08: 0000000000000000 R09: 0000000000000000 [ 31.412301][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.412313][ T361] R13: 00007fae95226038 R14: 00007fae95225fa0 R15: 00007ffdb7616ad8 [ 31.412329][ T361] [ 31.412359][ T360] CPU: 1 UID: 0 PID: 360 Comm: syz.1.21 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.412382][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.412392][ T360] Call Trace: [ 31.412397][ T360] [ 31.412404][ T360] __dump_stack+0x21/0x30 [ 31.412427][ T360] dump_stack_lvl+0x140/0x1c0 [ 31.412450][ T360] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.412474][ T360] dump_stack+0x19/0x20 [ 31.412496][ T360] should_fail_ex+0x3c2/0x510 [ 31.412515][ T360] should_failslab+0xac/0x100 [ 31.412535][ T360] kmem_cache_alloc_noprof+0x42/0x410 [ 31.412553][ T360] ? vm_area_dup+0x3f/0x560 [ 31.412572][ T360] vm_area_dup+0x3f/0x560 [ 31.412590][ T360] ? __split_vma+0x1b8/0xc10 [ 31.412609][ T360] __split_vma+0x1ce/0xc10 [ 31.412628][ T360] ? vms_gather_munmap_vmas+0xd90/0xd90 [ 31.412650][ T360] vma_modify+0x60c/0x1540 [ 31.412668][ T360] ? avc_has_perm_noaudit+0x289/0x360 [ 31.412690][ T360] vma_modify_flags+0x182/0x1c0 [ 31.412712][ T360] mprotect_fixup+0x432/0x8d0 [ 31.412732][ T360] ? __cfi_selinux_file_mprotect+0x10/0x10 [ 31.412750][ T360] ? __cfi_mprotect_fixup+0x10/0x10 [ 31.412772][ T360] ? bpf_lsm_file_mprotect+0xd/0x20 [ 31.412794][ T360] do_mprotect_pkey+0xa85/0xe50 [ 31.412817][ T360] ? __cfi_do_mmap+0x10/0x10 [ 31.412833][ T360] ? __cfi_down_write_killable+0x10/0x10 [ 31.412859][ T360] ? prot_none_test+0x30/0x30 [ 31.412885][ T360] ? __kasan_check_read+0x15/0x20 [ 31.412902][ T360] __x64_sys_mprotect+0x84/0xa0 [ 31.412924][ T360] x64_sys_call+0x2590/0x2ee0 [ 31.412939][ T360] do_syscall_64+0x57/0xf0 [ 31.412958][ T360] ? clear_bhb_loop+0x50/0xa0 [ 31.412980][ T360] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.413006][ T360] RIP: 0033:0x7fae94f9dd97 [ 31.413019][ T360] Code: 89 38 eb 84 0f 1f 80 00 00 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 7a ff ff ff b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 31.413033][ T360] RSP: 002b:00007ffdb7616a78 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 31.413050][ T360] RAX: ffffffffffffffda RBX: 00007fae95d8a6c0 RCX: 00007fae94f9dd97 [ 31.413064][ T360] RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fae95d6b000 [ 31.413076][ T360] RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 [ 31.413087][ T360] R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffdb7616bd0 [ 31.413099][ T360] R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 [ 31.413114][ T360] [ 31.418455][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.418483][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.418493][ T110] Call Trace: [ 31.418498][ T110] [ 31.418505][ T110] __dump_stack+0x21/0x30 [ 31.418532][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.418554][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.418577][ T110] ? __kasan_slab_free+0x6a/0x80 [ 31.418599][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 31.418617][ T110] dump_stack+0x19/0x20 [ 31.418639][ T110] should_fail_ex+0x3c2/0x510 [ 31.418658][ T110] should_failslab+0xac/0x100 [ 31.418680][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 31.418697][ T110] ? __x64_sys_epoll_wait+0x1d8/0x230 [ 31.418719][ T110] ? getname_flags+0xcc/0x6b0 [ 31.418739][ T110] getname_flags+0xcc/0x6b0 [ 31.418757][ T110] __x64_sys_unlink+0x3e/0x60 [ 31.418780][ T110] x64_sys_call+0x286c/0x2ee0 [ 31.418797][ T110] do_syscall_64+0x57/0xf0 [ 31.418816][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.418838][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.418860][ T110] RIP: 0033:0x7f9eba715937 [ 31.418875][ T110] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 31.418889][ T110] RSP: 002b:00007fff4248cec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 31.418908][ T110] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9eba715937 [ 31.418921][ T110] RDX: 0000000000000000 RSI: 0000000001d905c0 RDI: 000056485117502e [ 31.418933][ T110] RBP: 0000000000000000 R08: 0000000001dedf60 R09: 4000000000000000 [ 31.418945][ T110] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 [ 31.418956][ T110] R13: 0000564851190100 R14: 0000000000000001 R15: 0000000000000000 [ 31.418973][ T110] [ 31.419019][ T110] FAULT_INJECTION: forcing a failure. [ 31.419019][ T110] name failslab, interval 1, probability 10, space 0, times 66 [ 31.422732][ T295] CPU: 0 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.422785][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.422796][ T295] Call Trace: [ 31.422801][ T295] [ 31.422808][ T295] __dump_stack+0x21/0x30 [ 31.422834][ T295] dump_stack_lvl+0x140/0x1c0 [ 31.422856][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.422880][ T295] dump_stack+0x19/0x20 [ 31.422902][ T295] should_fail_ex+0x3c2/0x510 [ 31.422922][ T295] should_failslab+0xac/0x100 [ 31.422943][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 31.422961][ T295] ? getname_flags+0xcc/0x6b0 [ 31.422980][ T295] getname_flags+0xcc/0x6b0 [ 31.422999][ T295] user_path_at+0x2b/0x60 [ 31.423020][ T295] __x64_sys_umount+0xfa/0x180 [ 31.423036][ T295] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.423052][ T295] ? __kasan_check_read+0x15/0x20 [ 31.423070][ T295] x64_sys_call+0x2ab8/0x2ee0 [ 31.423085][ T295] do_syscall_64+0x57/0xf0 [ 31.423104][ T295] ? clear_bhb_loop+0x50/0xa0 [ 31.423126][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.423148][ T295] RIP: 0033:0x7f5f1239f1d7 [ 31.423162][ T295] 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 [ 31.423176][ T295] RSP: 002b:00007ffe5c6e0fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 31.423194][ T295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f1239f1d7 [ 31.423207][ T295] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe5c6e10a0 [ 31.423219][ T295] RBP: 00007ffe5c6e10a0 R08: 00007ffe5c6e20a0 R09: 00000000ffffffff [ 31.423232][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5c6e2130 [ 31.423243][ T295] R13: 00007f5f12434314 R14: 0000000000007a62 R15: 00007ffe5c6e2170 [ 31.423257][ T295] [ 31.423271][ T295] FAULT_INJECTION: forcing a failure. [ 31.423271][ T295] name failslab, interval 1, probability 10, space 0, times 65 [ 31.426531][ T286] CPU: 1 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.426555][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.426565][ T286] Call Trace: [ 31.426571][ T286] [ 31.426577][ T286] __dump_stack+0x21/0x30 [ 31.426600][ T286] dump_stack_lvl+0x140/0x1c0 [ 31.426623][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.426646][ T286] ? fput+0x1a4/0x230 [ 31.426668][ T286] dump_stack+0x19/0x20 [ 31.426690][ T286] should_fail_ex+0x3c2/0x510 [ 31.426709][ T286] should_failslab+0xac/0x100 [ 31.426730][ T286] kmem_cache_alloc_noprof+0x42/0x410 [ 31.426747][ T286] ? jbd2__journal_start+0x16d/0x860 [ 31.426768][ T286] jbd2__journal_start+0x16d/0x860 [ 31.426787][ T286] __ext4_journal_start_sb+0x111/0x3f0 [ 31.426812][ T286] ext4_dirty_inode+0x97/0x110 [ 31.426833][ T286] ? __cfi_ext4_dirty_inode+0x10/0x10 [ 31.426852][ T286] __mark_inode_dirty+0x251/0xc50 [ 31.426871][ T286] ? __cfi___mark_inode_dirty+0x10/0x10 [ 31.426888][ T286] ? __cfi_pollwake+0x10/0x10 [ 31.426911][ T286] ? mnt_get_write_access_file+0x1af/0x3b0 [ 31.426935][ T286] file_update_time+0x1d3/0x210 [ 31.426959][ T286] ext4_page_mkwrite+0x2bf/0x1120 [ 31.426981][ T286] ? inode_update_timestamps+0x57b/0x6e0 [ 31.427004][ T286] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 31.427025][ T286] ? __cfi___mark_inode_dirty+0x10/0x10 [ 31.427044][ T286] do_wp_page+0xb40/0x2e80 [ 31.427064][ T286] ? pipe_read+0x1016/0x11d0 [ 31.427081][ T286] ? __cfi___check_object_size+0x10/0x10 [ 31.427100][ T286] ? folio_put+0x90/0x90 [ 31.427118][ T286] ? __kasan_check_write+0x18/0x20 [ 31.427135][ T286] ? _raw_spin_lock+0x92/0x120 [ 31.427154][ T286] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.427173][ T286] ? pte_offset_map_rw_nolock+0x236/0x2c0 [ 31.427199][ T286] handle_mm_fault+0x1017/0x1ba0 [ 31.427221][ T286] ? __cfi_handle_mm_fault+0x10/0x10 [ 31.427247][ T286] ? lock_vma_under_rcu+0x4cf/0x590 [ 31.427270][ T286] ? __kasan_check_read+0x15/0x20 [ 31.427288][ T286] do_user_addr_fault+0x951/0x1230 [ 31.427313][ T286] ? __cfi_ksys_read+0x10/0x10 [ 31.427331][ T286] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 31.427355][ T286] exc_page_fault+0x58/0xc0 [ 31.427378][ T286] asm_exc_page_fault+0x2b/0x30 [ 31.427398][ T286] RIP: 0033:0x7fa9c9e700a3 [ 31.427413][ T286] Code: 85 0e 01 00 00 be 04 00 00 00 48 89 df e8 05 b9 fe ff 48 8b 43 40 83 43 30 04 48 89 df be 08 00 00 00 48 8d 50 fc 48 89 53 40 <89> 68 fc 8b 6b 30 e8 e2 b8 fe ff 48 8b 43 48 be 06 00 00 00 89 28 [ 31.427427][ T286] RSP: 002b:00007ffffafe5ae0 EFLAGS: 00010206 [ 31.427442][ T286] RAX: 00007fa9c3bf7fec RBX: 00007ffffafe5c10 RCX: 0000000000000000 [ 31.427455][ T286] RDX: 00007fa9c3bf7fe8 RSI: 0000000000000008 RDI: 00007ffffafe5c10 [ 31.427467][ T286] RBP: 00000000000003e6 R08: 0000000000000000 R09: 0000000000000000 [ 31.427478][ T286] R10: 00007ffffafe5bf0 R11: 0000000000000000 R12: 0000000000000000 [ 31.427489][ T286] R13: 0000000000008014 R14: ffffffffffff7fec R15: 0000000000000000 [ 31.427503][ T286] [ 31.427803][ T110] CPU: 1 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.427826][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.427836][ T110] Call Trace: [ 31.427841][ T110] [ 31.427847][ T110] __dump_stack+0x21/0x30 [ 31.427876][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.427899][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.427920][ T110] ? _raw_spin_trylock+0xb5/0x140 [ 31.427939][ T110] ? __cfi__raw_spin_trylock+0x10/0x10 [ 31.427959][ T110] dump_stack+0x19/0x20 [ 31.427982][ T110] should_fail_ex+0x3c2/0x510 [ 31.428001][ T110] ? devkmsg_write+0x1a0/0x470 [ 31.428022][ T110] should_failslab+0xac/0x100 [ 31.428043][ T110] __kmalloc_noprof+0x69/0x510 [ 31.428061][ T110] ? devkmsg_write+0x1a0/0x470 [ 31.428081][ T110] ? __cfi_avc_has_perm+0x10/0x10 [ 31.428101][ T110] devkmsg_write+0x1a0/0x470 [ 31.428121][ T110] ? __cfi_devkmsg_write+0x10/0x10 [ 31.428141][ T110] ? selinux_file_permission+0x8a4/0xb60 [ 31.428158][ T110] do_iter_readv_writev+0x62c/0x820 [ 31.428179][ T110] ? vfs_iter_read+0x5e0/0x5e0 [ 31.428199][ T110] ? bpf_lsm_file_permission+0xd/0x20 [ 31.428222][ T110] vfs_writev+0x4a5/0xe90 [ 31.428287][ T110] ? do_writev+0x2e0/0x2e0 [ 31.428310][ T110] ? __kasan_slab_free+0x6a/0x80 [ 31.428331][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 31.428349][ T110] ? __kasan_check_write+0x18/0x20 [ 31.428376][ T110] ? __kasan_check_read+0x15/0x20 [ 31.428393][ T110] do_writev+0x151/0x2e0 [ 31.428414][ T110] ? vfs_readv+0xa00/0xa00 [ 31.428436][ T110] ? __kasan_check_read+0x15/0x20 [ 31.428453][ T110] __x64_sys_writev+0x81/0x90 [ 31.428472][ T110] x64_sys_call+0x1fbb/0x2ee0 [ 31.428492][ T110] do_syscall_64+0x57/0xf0 [ 31.428510][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.428533][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.428555][ T110] RIP: 0033:0x7f9eba6a7407 [ 31.428570][ T110] 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 [ 31.428584][ T110] RSP: 002b:00007fff4248c3b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 31.428606][ T110] RAX: ffffffffffffffda RBX: 00007f9ebae85880 RCX: 00007f9eba6a7407 [ 31.428619][ T110] RDX: 0000000000000005 RSI: 00007fff4248c470 RDI: 0000000000000005 [ 31.428631][ T110] RBP: 00007fff4248c5a0 R08: 0000000000000000 R09: 0000000000000000 [ 31.428642][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4248c470 [ 31.428653][ T110] R13: 00007fff4248c500 R14: 0000000000000000 R15: 00007fff4248c4e0 [ 31.428668][ T110] [ 31.428964][ T110] FAULT_INJECTION: forcing a failure. [ 31.428964][ T110] name failslab, interval 1, probability 10, space 0, times 63 [ 31.431097][ T295] CPU: 0 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.431122][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.431132][ T295] Call Trace: [ 31.431137][ T295] [ 31.431144][ T295] __dump_stack+0x21/0x30 [ 31.431170][ T295] dump_stack_lvl+0x140/0x1c0 [ 31.431193][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.431216][ T295] ? _printk+0xde/0x140 [ 31.431237][ T295] ? __cfi__printk+0x10/0x10 [ 31.431257][ T295] dump_stack+0x19/0x20 [ 31.431279][ T295] should_fail_ex+0x3c2/0x510 [ 31.431298][ T295] should_failslab+0xac/0x100 [ 31.431319][ T295] kmem_cache_alloc_noprof+0x42/0x410 [ 31.431337][ T295] ? getname_flags+0xcc/0x6b0 [ 31.431357][ T295] getname_flags+0xcc/0x6b0 [ 31.431376][ T295] vfs_fstatat+0xcb/0x1d0 [ 31.431396][ T295] __se_sys_newfstatat+0x127/0x3c0 [ 31.431418][ T295] ? __x64_sys_newfstatat+0xc0/0xc0 [ 31.431440][ T295] ? __kasan_check_write+0x18/0x20 [ 31.431457][ T295] ? should_fail_ex+0x2a6/0x510 [ 31.431475][ T295] ? should_failslab+0xac/0x100 [ 31.431498][ T295] ? xfd_validate_state+0x68/0x140 [ 31.431523][ T295] ? __kasan_check_write+0x18/0x20 [ 31.431540][ T295] ? fpregs_restore_userregs+0x11c/0x260 [ 31.431561][ T295] __x64_sys_newfstatat+0x9f/0xc0 [ 31.431582][ T295] x64_sys_call+0x1821/0x2ee0 [ 31.431599][ T295] do_syscall_64+0x57/0xf0 [ 31.431617][ T295] ? clear_bhb_loop+0x50/0xa0 [ 31.431639][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.431661][ T295] RIP: 0033:0x7f5f1239c5da [ 31.431677][ T295] 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 [ 31.431692][ T295] RSP: 002b:00007ffe5c6e0fe8 EFLAGS: 00000286 ORIG_RAX: 0000000000000106 [ 31.431712][ T295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f1239c5da [ 31.431726][ T295] RDX: 00007ffe5c6e1010 RSI: 00007ffe5c6e10a0 RDI: 00000000ffffff9c [ 31.431746][ T295] RBP: 00007ffe5c6e10a0 R08: 00007ffe5c6e20a0 R09: 00000000ffffffff [ 31.431759][ T295] R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffe5c6e2130 [ 31.431772][ T295] R13: 00007f5f12434314 R14: 0000000000007a62 R15: 00007ffe5c6e2170 [ 31.431787][ T295] [ 31.436606][ T312] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.436633][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.436646][ T312] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.436668][ T312] Call Trace: [ 31.436673][ T312] [ 31.436680][ T312] __dump_stack+0x21/0x30 [ 31.436704][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.436727][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.436757][ T312] ? __asan_memset+0x39/0x50 [ 31.436776][ T312] dump_stack+0x19/0x20 [ 31.436798][ T312] should_fail_ex+0x3c2/0x510 [ 31.436818][ T312] should_failslab+0xac/0x100 [ 31.436839][ T312] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.436858][ T312] ? __alloc_skb+0x10c/0x360 [ 31.436881][ T312] ? __kasan_check_write+0x18/0x20 [ 31.436898][ T312] ? _raw_write_lock_bh+0x96/0xf0 [ 31.436919][ T312] __alloc_skb+0x10c/0x360 [ 31.436942][ T312] __ipv6_ifa_notify+0x205/0xee0 [ 31.436963][ T312] ? snmp6_fill_stats+0x9b0/0x9b0 [ 31.436982][ T312] ? timer_delete+0x101/0x3e0 [ 31.437003][ T312] ? __kasan_check_write+0x18/0x20 [ 31.437020][ T312] ? work_grab_pending+0x301/0x830 [ 31.437043][ T312] ? __kasan_check_write+0x18/0x20 [ 31.437060][ T312] ? mutex_unlock+0x90/0x240 [ 31.437083][ T312] ? mod_delayed_work_on+0x140/0x140 [ 31.437105][ T312] ? fib6_flush_trees+0x148/0x1a0 [ 31.437129][ T312] ? __kasan_check_write+0x18/0x20 [ 31.437146][ T312] ? __cancel_work+0x175/0x1f0 [ 31.437169][ T312] addrconf_dad_completed+0x198/0xef0 [ 31.437189][ T312] ? addrconf_dad_stop+0x460/0x460 [ 31.437209][ T312] addrconf_dad_work+0xc7f/0x1550 [ 31.437229][ T312] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.437247][ T312] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.437265][ T312] ? kick_pool+0xb9/0x540 [ 31.437285][ T312] process_scheduled_works+0x7f7/0x1060 [ 31.437306][ T312] worker_thread+0xc99/0x13f0 [ 31.437325][ T312] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.437345][ T312] ? __kasan_check_read+0x15/0x20 [ 31.437364][ T312] kthread+0x2c7/0x360 [ 31.437383][ T312] ? __cfi_worker_thread+0x10/0x10 [ 31.437401][ T312] ? __cfi_kthread+0x10/0x10 [ 31.437420][ T312] ret_from_fork+0x67/0xa0 [ 31.437444][ T312] ? __cfi_kthread+0x10/0x10 [ 31.437463][ T312] ret_from_fork_asm+0x1a/0x30 [ 31.437481][ T312] [ 31.437497][ T312] FAULT_INJECTION: forcing a failure. [ 31.437497][ T312] name failslab, interval 1, probability 10, space 0, times 58 [ 31.441964][ T99] FAULT_INJECTION: forcing a failure. [ 31.441964][ T99] name failslab, interval 1, probability 10, space 0, times 57 [ 31.446029][ T312] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.446054][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.446068][ T312] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.446090][ T312] Call Trace: [ 31.446097][ T312] [ 31.446103][ T312] __dump_stack+0x21/0x30 [ 31.446129][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.446150][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.446175][ T312] dump_stack+0x19/0x20 [ 31.446198][ T312] should_fail_ex+0x3c2/0x510 [ 31.446222][ T312] should_failslab+0xac/0x100 [ 31.446242][ T312] kmem_cache_alloc_noprof+0x42/0x410 [ 31.446260][ T312] ? fib6_add+0xfed/0x4c00 [ 31.446283][ T312] fib6_add+0xfed/0x4c00 [ 31.446308][ T312] ? __kasan_check_write+0x18/0x20 [ 31.446328][ T312] ? __printk_cpu_sync_put+0x67/0x80 [ 31.446354][ T312] ? dump_stack_lvl+0x16b/0x1c0 [ 31.446377][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.446401][ T312] ? __cfi_fib6_add+0x10/0x10 [ 31.446422][ T312] ? __asan_memset+0x39/0x50 [ 31.446439][ T312] ? __kasan_check_write+0x18/0x20 [ 31.446457][ T312] ? _raw_spin_lock_bh+0x96/0x130 [ 31.446476][ T312] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 31.446496][ T312] ? _raw_read_lock_irqsave+0x92/0xf0 [ 31.446516][ T312] ? __cfi__raw_read_lock_irqsave+0x10/0x10 [ 31.446536][ T312] ? should_failslab+0xac/0x100 [ 31.446557][ T312] ip6_ins_rt+0xd7/0x140 [ 31.446579][ T312] ? __cfi_ip6_ins_rt+0x10/0x10 [ 31.446603][ T312] __ipv6_ifa_notify+0x51d/0xee0 [ 31.446623][ T312] ? snmp6_fill_stats+0x9b0/0x9b0 [ 31.446644][ T312] ? timer_delete+0x101/0x3e0 [ 31.446665][ T312] ? __kasan_check_write+0x18/0x20 [ 31.446682][ T312] ? work_grab_pending+0x301/0x830 [ 31.446704][ T312] ? __kasan_check_write+0x18/0x20 [ 31.446723][ T312] ? mutex_unlock+0x90/0x240 [ 31.446751][ T312] ? mod_delayed_work_on+0x140/0x140 [ 31.446773][ T312] ? fib6_flush_trees+0x148/0x1a0 [ 31.446797][ T312] ? __kasan_check_write+0x18/0x20 [ 31.446814][ T312] ? __cancel_work+0x175/0x1f0 [ 31.446836][ T312] addrconf_dad_completed+0x198/0xef0 [ 31.446855][ T312] ? addrconf_dad_stop+0x460/0x460 [ 31.446875][ T312] addrconf_dad_work+0xc7f/0x1550 [ 31.446895][ T312] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.446913][ T312] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.446931][ T312] ? kick_pool+0xb9/0x540 [ 31.446951][ T312] process_scheduled_works+0x7f7/0x1060 [ 31.446972][ T312] worker_thread+0xc99/0x13f0 [ 31.446993][ T312] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.447012][ T312] ? __kasan_check_read+0x15/0x20 [ 31.447030][ T312] kthread+0x2c7/0x360 [ 31.447049][ T312] ? __cfi_worker_thread+0x10/0x10 [ 31.447067][ T312] ? __cfi_kthread+0x10/0x10 [ 31.447086][ T312] ret_from_fork+0x67/0xa0 [ 31.447110][ T312] ? __cfi_kthread+0x10/0x10 [ 31.447129][ T312] ret_from_fork_asm+0x1a/0x30 [ 31.447147][ T312] [ 31.447936][ T294] FAULT_INJECTION: forcing a failure. [ 31.447936][ T294] name failslab, interval 1, probability 10, space 0, times 56 [ 31.465997][ T286] FAULT_INJECTION: forcing a failure. [ 31.465997][ T286] name failslab, interval 1, probability 10, space 0, times 56 [ 31.482395][ T312] FAULT_INJECTION: forcing a failure. [ 31.482395][ T312] name failslab, interval 1, probability 10, space 0, times 56 [ 31.490465][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.490493][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.490504][ T99] Call Trace: [ 31.490509][ T99] [ 31.490517][ T99] __dump_stack+0x21/0x30 [ 31.490545][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.490568][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.490594][ T99] dump_stack+0x19/0x20 [ 31.490615][ T99] should_fail_ex+0x3c2/0x510 [ 31.490635][ T99] should_failslab+0xac/0x100 [ 31.490657][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 31.490676][ T99] ? sk_prot_alloc+0x69/0x3a0 [ 31.490702][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.490722][ T99] sk_prot_alloc+0x69/0x3a0 [ 31.490747][ T99] sk_alloc+0x40/0x590 [ 31.490769][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 31.490791][ T99] unix_create1+0xb7/0x760 [ 31.490813][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 31.490835][ T99] unix_create+0x15a/0x220 [ 31.490857][ T99] __sock_create+0x3a5/0x810 [ 31.490885][ T99] __sys_socket+0xe1/0x1c0 [ 31.490907][ T99] __x64_sys_socket+0x7e/0x90 [ 31.490930][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.490946][ T99] do_syscall_64+0x57/0xf0 [ 31.490966][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.490989][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.491011][ T99] RIP: 0033:0x7fe9883d5707 [ 31.491027][ 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 [ 31.491042][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.491062][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.491075][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.491087][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.491099][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.491110][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000030 R15: 00007fffeff2f2f0 [ 31.491131][ T99] [ 31.491343][ T99] FAULT_INJECTION: forcing a failure. [ 31.491343][ T99] name failslab, interval 1, probability 10, space 0, times 55 [ 31.506283][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.506310][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.506320][ T110] Call Trace: [ 31.506326][ T110] [ 31.506333][ T110] __dump_stack+0x21/0x30 [ 31.506360][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.506382][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.506412][ T110] ? __filename_parentat+0x458/0x660 [ 31.506434][ T110] dump_stack+0x19/0x20 [ 31.506455][ T110] should_fail_ex+0x3c2/0x510 [ 31.506476][ T110] should_failslab+0xac/0x100 [ 31.506498][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.506517][ T110] ? __d_alloc+0x42/0x8c0 [ 31.506533][ T110] ? __d_lookup+0x4e8/0x550 [ 31.506551][ T110] __d_alloc+0x42/0x8c0 [ 31.506568][ T110] d_alloc+0x4c/0x1c0 [ 31.506584][ T110] ? lookup_one_qstr_excl+0xba/0x280 [ 31.506605][ T110] lookup_one_qstr_excl+0xcf/0x280 [ 31.506624][ T110] do_unlinkat+0x1e1/0x5a0 [ 31.506648][ T110] ? __cfi_do_unlinkat+0x10/0x10 [ 31.506672][ T110] ? __kasan_check_write+0x18/0x20 [ 31.506691][ T110] __x64_sys_unlink+0x4b/0x60 [ 31.506714][ T110] x64_sys_call+0x286c/0x2ee0 [ 31.506730][ T110] do_syscall_64+0x57/0xf0 [ 31.506755][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.506778][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.506800][ T110] RIP: 0033:0x7f9eba715937 [ 31.506816][ T110] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 31.506831][ T110] RSP: 002b:00007fff4248cec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 31.506850][ T110] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9eba715937 [ 31.506864][ T110] RDX: 0000000000000000 RSI: 0000000001d905c0 RDI: 000056485117502e [ 31.506876][ T110] RBP: 0000000000000000 R08: 0000000001df70ab R09: 4000000000000000 [ 31.506889][ T110] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 [ 31.506900][ T110] R13: 0000564851190100 R14: 0000000000000001 R15: 0000000000000000 [ 31.506915][ T110] [ 31.506957][ T110] FAULT_INJECTION: forcing a failure. [ 31.506957][ T110] name failslab, interval 1, probability 10, space 0, times 54 [ 31.514303][ T286] CPU: 1 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.514329][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.514340][ T286] Call Trace: [ 31.514346][ T286] [ 31.514352][ T286] __dump_stack+0x21/0x30 [ 31.514376][ T286] dump_stack_lvl+0x140/0x1c0 [ 31.514399][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.514424][ T286] dump_stack+0x19/0x20 [ 31.514446][ T286] should_fail_ex+0x3c2/0x510 [ 31.514465][ T286] should_failslab+0xac/0x100 [ 31.514486][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.514505][ T286] ? __alloc_skb+0x10c/0x360 [ 31.514529][ T286] __alloc_skb+0x10c/0x360 [ 31.514550][ T286] ? tcp_current_mss+0x539/0x8b0 [ 31.514569][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 31.514586][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 31.514605][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 31.514627][ T286] ? __kasan_check_write+0x18/0x20 [ 31.514645][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 31.514666][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 31.514685][ T286] ? avc_has_perm+0x155/0x240 [ 31.514705][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 31.514722][ T286] tcp_sendmsg+0x3e/0xd0 [ 31.514738][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 31.514754][ T286] inet_sendmsg+0xb7/0x120 [ 31.514774][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 31.514794][ T286] sock_write_iter+0x3bf/0x490 [ 31.514814][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 31.514837][ T286] vfs_write+0x762/0xfd0 [ 31.514856][ T286] ? __cfi_vfs_write+0x10/0x10 [ 31.514874][ T286] ? __kasan_check_read+0x15/0x20 [ 31.514891][ T286] ksys_write+0x145/0x260 [ 31.514910][ T286] ? __cfi_ksys_write+0x10/0x10 [ 31.514928][ T286] ? __kasan_check_read+0x15/0x20 [ 31.514946][ T286] __x64_sys_write+0x7f/0x90 [ 31.514964][ T286] x64_sys_call+0x271c/0x2ee0 [ 31.514980][ T286] do_syscall_64+0x57/0xf0 [ 31.514999][ T286] ? clear_bhb_loop+0x50/0xa0 [ 31.515021][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.515043][ T286] RIP: 0033:0x7fa9c9f59117 [ 31.515057][ 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 [ 31.515072][ T286] RSP: 002b:00007ffffafe5c00 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 31.515089][ T286] RAX: ffffffffffffffda RBX: 00005555847f7500 RCX: 00007fa9c9f59117 [ 31.515103][ T286] RDX: 0000000000000038 RSI: 000055558480af28 RDI: 0000000000000003 [ 31.515115][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.515127][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 31.515138][ T286] R13: 000055558480af28 R14: ffffffffffffffe8 R15: 00007ffffafe6240 [ 31.515154][ T286] [ 31.515225][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.515254][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.515264][ T99] Call Trace: [ 31.515269][ T99] [ 31.515275][ T99] __dump_stack+0x21/0x30 [ 31.515299][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.515321][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.515344][ T99] ? unwind_get_return_address+0x51/0x90 [ 31.515366][ T99] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.515387][ T99] ? arch_stack_walk+0x10a/0x170 [ 31.515405][ T99] dump_stack+0x19/0x20 [ 31.515427][ T99] should_fail_ex+0x3c2/0x510 [ 31.515447][ T99] should_failslab+0xac/0x100 [ 31.515467][ T99] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.515486][ T99] ? __alloc_skb+0x10c/0x360 [ 31.515509][ T99] __alloc_skb+0x10c/0x360 [ 31.515531][ T99] ? __kasan_slab_free+0x5f/0x80 [ 31.515553][ T99] alloc_skb_with_frags+0xd0/0x8b0 [ 31.515578][ T99] sock_alloc_send_pskb+0x883/0x9a0 [ 31.515595][ T99] ? __asan_memcpy+0x5a/0x80 [ 31.515614][ T99] ? __cfi_sock_alloc_send_pskb+0x10/0x10 [ 31.515633][ T99] ? __kasan_check_write+0x18/0x20 [ 31.515650][ T99] ? _raw_spin_lock+0x92/0x120 [ 31.515669][ T99] ? __cfi__raw_spin_lock+0x10/0x10 [ 31.515688][ T99] unix_dgram_sendmsg+0x63a/0x1a90 [ 31.515715][ T99] ? selinux_socket_sendmsg+0x281/0x380 [ 31.515737][ T99] ? path_put+0x5b/0x70 [ 31.515754][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 31.515781][ T99] ? bpf_lsm_socket_sendmsg+0xd/0x20 [ 31.515801][ T99] ? security_socket_sendmsg+0x3d/0x100 [ 31.515823][ T99] ? __cfi_unix_dgram_sendmsg+0x10/0x10 [ 31.515848][ T99] __sys_sendto+0x68d/0x700 [ 31.515873][ T99] ? __cfi___sys_sendto+0x10/0x10 [ 31.515896][ T99] ? selinux_socket_connect+0x27/0x40 [ 31.515919][ T99] ? __cfi___sys_connect+0x10/0x10 [ 31.515944][ T99] ? fd_install+0x246/0x400 [ 31.515963][ T99] ? __sys_socket+0x16d/0x1c0 [ 31.515986][ T99] __x64_sys_sendto+0xe9/0x100 [ 31.516010][ T99] x64_sys_call+0x2c2c/0x2ee0 [ 31.516039][ T99] do_syscall_64+0x57/0xf0 [ 31.516057][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.516079][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.516101][ T99] RIP: 0033:0x7fe98835a407 [ 31.516114][ 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 [ 31.516128][ T99] RSP: 002b:00007fffeff2f1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 31.516147][ T99] RAX: ffffffffffffffda RBX: 00007fe98820ac80 RCX: 00007fe98835a407 [ 31.516160][ T99] RDX: 0000000000000056 RSI: 00007fffeff2f2f0 RDI: 0000000000000003 [ 31.516172][ T99] RBP: 00007fffeff2f720 R08: 0000000000000000 R09: 0000000000000000 [ 31.516184][ T99] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffeff2f738 [ 31.516197][ T99] R13: 00007fffeff2f2f0 R14: 000000000000003b R15: 00007fffeff2f2f0 [ 31.516211][ T99] [ 31.516297][ T286] FAULT_INJECTION: forcing a failure. [ 31.516297][ T286] name failslab, interval 1, probability 10, space 0, times 52 [ 31.517334][ T10] ref_tracker: memory allocation failure, unreliable refcount tracker. [ 31.530145][ T286] CPU: 1 UID: 0 PID: 286 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.530172][ T286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.530183][ T286] Call Trace: [ 31.530188][ T286] [ 31.530194][ T286] __dump_stack+0x21/0x30 [ 31.530221][ T286] dump_stack_lvl+0x140/0x1c0 [ 31.530251][ T286] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.530274][ T286] ? dequeue_entity+0x88a/0x13b0 [ 31.530298][ T286] ? x64_sys_call+0x271c/0x2ee0 [ 31.530314][ T286] dump_stack+0x19/0x20 [ 31.530337][ T286] should_fail_ex+0x3c2/0x510 [ 31.530358][ T286] should_failslab+0xac/0x100 [ 31.530378][ T286] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.530398][ T286] ? dequeue_entities+0x1d2/0x1370 [ 31.530422][ T286] ? __alloc_skb+0x10c/0x360 [ 31.530446][ T286] __alloc_skb+0x10c/0x360 [ 31.530467][ T286] ? tcp_current_mss+0x539/0x8b0 [ 31.530485][ T286] tcp_stream_alloc_skb+0x43/0x370 [ 31.530503][ T286] tcp_sendmsg_locked+0xcbc/0x4ac0 [ 31.530525][ T286] ? avc_has_perm_noaudit+0x289/0x360 [ 31.530547][ T286] ? __kasan_check_write+0x18/0x20 [ 31.530565][ T286] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 31.530587][ T286] ? __cfi_tcp_sendmsg_locked+0x10/0x10 [ 31.530605][ T286] ? avc_has_perm+0x155/0x240 [ 31.530625][ T286] ? hrtimer_reprogram+0x336/0x3d0 [ 31.530649][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 31.530666][ T286] tcp_sendmsg+0x3e/0xd0 [ 31.530682][ T286] ? __cfi_tcp_sendmsg+0x10/0x10 [ 31.530698][ T286] inet_sendmsg+0xb7/0x120 [ 31.530718][ T286] ? __cfi_inet_sendmsg+0x10/0x10 [ 31.530737][ T286] sock_write_iter+0x3bf/0x490 [ 31.530757][ T286] ? __cfi_sock_write_iter+0x10/0x10 [ 31.530779][ T286] ? usleep_range_state+0x150/0x150 [ 31.530798][ T286] vfs_write+0x762/0xfd0 [ 31.530816][ T286] ? __cfi_vfs_write+0x10/0x10 [ 31.530834][ T286] ? _copy_from_user+0x87/0xa0 [ 31.530858][ T286] ? __kasan_check_read+0x15/0x20 [ 31.530875][ T286] ksys_write+0x145/0x260 [ 31.530892][ T286] ? xfd_validate_state+0x68/0x140 [ 31.530916][ T286] ? __cfi_ksys_write+0x10/0x10 [ 31.530934][ T286] ? __kasan_check_write+0x18/0x20 [ 31.530951][ T286] ? fpregs_restore_userregs+0x11c/0x260 [ 31.530972][ T286] __x64_sys_write+0x7f/0x90 [ 31.530990][ T286] x64_sys_call+0x271c/0x2ee0 [ 31.531007][ T286] do_syscall_64+0x57/0xf0 [ 31.531025][ T286] ? clear_bhb_loop+0x50/0xa0 [ 31.531048][ T286] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.531070][ T286] RIP: 0033:0x7fa9c9f59117 [ 31.531085][ 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 [ 31.531099][ T286] RSP: 002b:00007ffffafe5c00 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 31.531118][ T286] RAX: ffffffffffffffda RBX: 00005555847f7500 RCX: 00007fa9c9f59117 [ 31.531132][ T286] RDX: 0000000000000038 RSI: 000055558480af28 RDI: 0000000000000003 [ 31.531144][ T286] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 31.531155][ T286] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000038 [ 31.531167][ T286] R13: 000055558480af28 R14: ffffffffffffffe8 R15: 00007ffffafe6240 [ 31.531183][ T286] [ 31.531280][ T99] FAULT_INJECTION: forcing a failure. [ 31.531280][ T99] name failslab, interval 1, probability 10, space 0, times 50 [ 31.542833][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.542857][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.542868][ T110] Call Trace: [ 31.542874][ T110] [ 31.542881][ T110] __dump_stack+0x21/0x30 [ 31.542907][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.542932][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.542958][ T110] dump_stack+0x19/0x20 [ 31.542979][ T110] should_fail_ex+0x3c2/0x510 [ 31.542998][ T110] should_failslab+0xac/0x100 [ 31.543019][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 31.543038][ T110] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.543060][ T110] ? alloc_empty_file+0xbf/0x270 [ 31.543082][ T110] ? arch_stack_walk+0x10a/0x170 [ 31.543100][ T110] alloc_empty_file+0xbf/0x270 [ 31.543122][ T110] path_openat+0xf4/0x35a0 [ 31.543145][ T110] ? stack_depot_save_flags+0x38/0x800 [ 31.543166][ T110] ? kasan_save_track+0x4f/0x80 [ 31.543186][ T110] ? kasan_save_track+0x3e/0x80 [ 31.543208][ T110] ? kasan_save_alloc_info+0x3a/0x50 [ 31.543233][ T110] ? __kasan_slab_alloc+0x73/0x90 [ 31.543253][ T110] ? getname+0x1b/0x30 [ 31.543271][ T110] ? do_sys_openat2+0xda/0x1d0 [ 31.543294][ T110] ? __x64_sys_openat+0x13a/0x170 [ 31.543321][ T110] ? x64_sys_call+0xe69/0x2ee0 [ 31.543341][ T110] ? do_syscall_64+0x57/0xf0 [ 31.543361][ T110] ? do_filp_open+0x440/0x440 [ 31.543385][ T110] do_filp_open+0x1f2/0x440 [ 31.543408][ T110] ? __cfi_do_filp_open+0x10/0x10 [ 31.543436][ T110] ? alloc_fd+0x4c1/0x570 [ 31.543456][ T110] do_sys_openat2+0x134/0x1d0 [ 31.543480][ T110] ? do_sys_open+0x100/0x100 [ 31.543505][ T110] __x64_sys_openat+0x13a/0x170 [ 31.543529][ T110] x64_sys_call+0xe69/0x2ee0 [ 31.543545][ T110] do_syscall_64+0x57/0xf0 [ 31.543564][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.543586][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.543609][ T110] RIP: 0033:0x7f9eba6a7407 [ 31.543623][ T110] 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 [ 31.543639][ T110] RSP: 002b:00007fff4248c360 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 31.543657][ T110] RAX: ffffffffffffffda RBX: 00007f9ebae85880 RCX: 00007f9eba6a7407 [ 31.543671][ T110] RDX: 0000000000080101 RSI: 0000564851175271 RDI: ffffffffffffff9c [ 31.543684][ T110] RBP: 00007fff4248c5a0 R08: 0000000000000000 R09: 0000000000000000 [ 31.543696][ T110] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff4248c470 [ 31.543709][ T110] R13: 00000000000002b5 R14: 0000000000000000 R15: 00007fff4248ce00 [ 31.543722][ T110] [ 31.543843][ T110] FAULT_INJECTION: forcing a failure. [ 31.543843][ T110] name failslab, interval 1, probability 10, space 0, times 49 [ 31.554385][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.554416][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.554428][ T99] Call Trace: [ 31.554434][ T99] [ 31.554440][ T99] __dump_stack+0x21/0x30 [ 31.554468][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.554491][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.554516][ T99] dump_stack+0x19/0x20 [ 31.554538][ T99] should_fail_ex+0x3c2/0x510 [ 31.554558][ T99] should_failslab+0xac/0x100 [ 31.554580][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 31.554598][ T99] ? sk_prot_alloc+0x69/0x3a0 [ 31.554624][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.554645][ T99] sk_prot_alloc+0x69/0x3a0 [ 31.554669][ T99] sk_alloc+0x40/0x590 [ 31.554691][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 31.554713][ T99] unix_create1+0xb7/0x760 [ 31.554735][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 31.554757][ T99] unix_create+0x15a/0x220 [ 31.554779][ T99] __sock_create+0x3a5/0x810 [ 31.554802][ T99] __sys_socket+0xe1/0x1c0 [ 31.554825][ T99] __x64_sys_socket+0x7e/0x90 [ 31.554847][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.554863][ T99] do_syscall_64+0x57/0xf0 [ 31.554883][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.554905][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.554927][ T99] RIP: 0033:0x7fe9883d5707 [ 31.554943][ 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 [ 31.554958][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.554978][ T99] RAX: ffffffffffffffda RBX: 0000000000000056 RCX: 00007fe9883d5707 [ 31.554992][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.555003][ T99] RBP: 00007fe988461560 R08: 0000000000000000 R09: 0000000000000000 [ 31.555015][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.555027][ T99] R13: 00007fffeff2f2f0 R14: 000000000000003b R15: 00007fffeff2f2f0 [ 31.555042][ T99] [ 31.555251][ T99] FAULT_INJECTION: forcing a failure. [ 31.555251][ T99] name failslab, interval 1, probability 10, space 0, times 47 [ 31.564269][ T312] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.564300][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.564313][ T312] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.564337][ T312] Call Trace: [ 31.564423][ T312] [ 31.564437][ T312] __dump_stack+0x21/0x30 [ 31.564466][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.564491][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.564515][ T312] ? dump_stack_lvl+0x16b/0x1c0 [ 31.564550][ T312] ? preempt_schedule_common+0x2d/0x60 [ 31.564574][ T312] dump_stack+0x19/0x20 [ 31.564597][ T312] should_fail_ex+0x3c2/0x510 [ 31.564618][ T312] should_failslab+0xac/0x100 [ 31.564639][ T312] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.564659][ T312] ? __local_bh_enable_ip+0x64/0x80 [ 31.564676][ T312] ? __alloc_skb+0x10c/0x360 [ 31.564697][ T312] ? ip6_ins_rt+0xe1/0x140 [ 31.564720][ T312] __alloc_skb+0x10c/0x360 [ 31.564743][ T312] mld_newpack+0x162/0xa10 [ 31.564762][ T312] ? __ipv6_ifa_notify+0xc52/0xee0 [ 31.564782][ T312] ? mld_sendpack+0xd10/0xd10 [ 31.564801][ T312] ? snmp6_fill_stats+0x9b0/0x9b0 [ 31.564821][ T312] ? timer_delete+0x101/0x3e0 [ 31.564842][ T312] add_grec+0xf20/0x1400 [ 31.564860][ T312] ? work_grab_pending+0x301/0x830 [ 31.564884][ T312] ? mutex_lock+0x97/0x1d0 [ 31.564906][ T312] mld_send_initial_cr+0x157/0x320 [ 31.564926][ T312] ipv6_mc_dad_complete+0x8b/0x460 [ 31.564945][ T312] addrconf_dad_completed+0x74f/0xef0 [ 31.564964][ T312] ? addrconf_dad_stop+0x460/0x460 [ 31.564983][ T312] addrconf_dad_work+0xc7f/0x1550 [ 31.565003][ T312] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.565021][ T312] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.565040][ T312] ? kick_pool+0xb9/0x540 [ 31.565066][ T312] process_scheduled_works+0x7f7/0x1060 [ 31.565087][ T312] worker_thread+0xc99/0x13f0 [ 31.565107][ T312] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.565128][ T312] ? __kasan_check_read+0x15/0x20 [ 31.565146][ T312] kthread+0x2c7/0x360 [ 31.565165][ T312] ? __cfi_worker_thread+0x10/0x10 [ 31.565192][ T312] ? __cfi_kthread+0x10/0x10 [ 31.565211][ T312] ret_from_fork+0x67/0xa0 [ 31.565236][ T312] ? __cfi_kthread+0x10/0x10 [ 31.565256][ T312] ret_from_fork_asm+0x1a/0x30 [ 31.565273][ T312] [ 31.565321][ T312] FAULT_INJECTION: forcing a failure. [ 31.565321][ T312] name failslab, interval 1, probability 10, space 0, times 45 [ 31.567812][ T294] CPU: 1 UID: 0 PID: 294 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.567842][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.567854][ T294] Call Trace: [ 31.567859][ T294] [ 31.567867][ T294] __dump_stack+0x21/0x30 [ 31.567894][ T294] dump_stack_lvl+0x140/0x1c0 [ 31.567917][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.567942][ T294] dump_stack+0x19/0x20 [ 31.567964][ T294] should_fail_ex+0x3c2/0x510 [ 31.567985][ T294] should_failslab+0xac/0x100 [ 31.568007][ T294] kmem_cache_alloc_noprof+0x42/0x410 [ 31.568025][ T294] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.568046][ T294] ? alloc_empty_file+0xbf/0x270 [ 31.568068][ T294] ? arch_stack_walk+0x10a/0x170 [ 31.568086][ T294] alloc_empty_file+0xbf/0x270 [ 31.568109][ T294] path_openat+0xf4/0x35a0 [ 31.568132][ T294] ? stack_depot_save_flags+0x38/0x800 [ 31.568152][ T294] ? wp_page_reuse+0x158/0x2a0 [ 31.568174][ T294] ? kasan_save_track+0x4f/0x80 [ 31.568193][ T294] ? kasan_save_track+0x3e/0x80 [ 31.568212][ T294] ? kasan_save_alloc_info+0x3a/0x50 [ 31.568237][ T294] ? __kasan_slab_alloc+0x73/0x90 [ 31.568258][ T294] ? getname+0x1b/0x30 [ 31.568275][ T294] ? do_sys_openat2+0xda/0x1d0 [ 31.568298][ T294] ? __x64_sys_openat+0x13a/0x170 [ 31.568321][ T294] ? x64_sys_call+0xe69/0x2ee0 [ 31.568338][ T294] ? do_syscall_64+0x57/0xf0 [ 31.568359][ T294] ? do_filp_open+0x440/0x440 [ 31.568386][ T294] do_filp_open+0x1f2/0x440 [ 31.568408][ T294] ? __cfi_do_filp_open+0x10/0x10 [ 31.568434][ T294] ? alloc_fd+0x4c1/0x570 [ 31.568455][ T294] do_sys_openat2+0x134/0x1d0 [ 31.568477][ T294] ? __cfi_path_umount+0x10/0x10 [ 31.568502][ T294] ? do_sys_open+0x100/0x100 [ 31.568524][ T294] ? __kasan_check_write+0x18/0x20 [ 31.568542][ T294] ? do_user_addr_fault+0xbf5/0x1230 [ 31.568568][ T294] __x64_sys_openat+0x13a/0x170 [ 31.568592][ T294] x64_sys_call+0xe69/0x2ee0 [ 31.568609][ T294] do_syscall_64+0x57/0xf0 [ 31.568628][ T294] ? clear_bhb_loop+0x50/0xa0 [ 31.568652][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.568680][ T294] RIP: 0033:0x7fae94f9d2bc [ 31.568696][ T294] 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 [ 31.568715][ T294] RSP: 002b:00007ffdb7615ce0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 31.568735][ T294] RAX: ffffffffffffffda RBX: 00007fae95034314 RCX: 00007fae94f9d2bc [ 31.568749][ T294] RDX: 0000000000090800 RSI: 00007ffdb7616e90 RDI: 00000000ffffff9c [ 31.568762][ T294] RBP: 00007ffdb7616e7c R08: 0000000000000000 R09: 0000000000000000 [ 31.568774][ T294] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb7616e90 [ 31.568786][ T294] R13: 00007fae95034314 R14: 0000000000007a58 R15: 00007ffdb7616ed0 [ 31.568801][ T294] [ 31.573667][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.573703][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.573715][ T99] Call Trace: [ 31.573721][ T99] [ 31.573728][ T99] __dump_stack+0x21/0x30 [ 31.573755][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.573778][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.573801][ T99] ? stack_depot_save_flags+0x38/0x800 [ 31.573824][ T99] dump_stack+0x19/0x20 [ 31.573846][ T99] should_fail_ex+0x3c2/0x510 [ 31.573866][ T99] should_failslab+0xac/0x100 [ 31.573887][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.573907][ T99] ? __d_alloc+0x42/0x8c0 [ 31.573923][ T99] ? expand_files+0xda/0x6f0 [ 31.573945][ T99] __d_alloc+0x42/0x8c0 [ 31.573962][ T99] d_alloc_pseudo+0x23/0xc0 [ 31.573978][ T99] alloc_file_pseudo+0xde/0x1f0 [ 31.574001][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 31.574024][ T99] ? _raw_spin_unlock+0x45/0x60 [ 31.574045][ T99] sock_alloc_file+0xbe/0x2b0 [ 31.574067][ T99] __sys_socket+0x14c/0x1c0 [ 31.574089][ T99] __x64_sys_socket+0x7e/0x90 [ 31.574112][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.574128][ T99] do_syscall_64+0x57/0xf0 [ 31.574147][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.574170][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.574191][ T99] RIP: 0033:0x7fe9883d5707 [ 31.574206][ 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 [ 31.574222][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.574242][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.574256][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.574267][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.574280][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.574291][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000033 R15: 00007fffeff2f2f0 [ 31.574306][ T99] [ 31.574634][ T99] FAULT_INJECTION: forcing a failure. [ 31.574634][ T99] name failslab, interval 1, probability 10, space 0, times 38 [ 31.574922][ T312] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.574948][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.574960][ T312] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.574982][ T312] Call Trace: [ 31.574988][ T312] [ 31.574995][ T312] __dump_stack+0x21/0x30 [ 31.575018][ T312] dump_stack_lvl+0x140/0x1c0 [ 31.575041][ T312] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.575065][ T312] ? kasan_save_track+0x4f/0x80 [ 31.575085][ T312] dump_stack+0x19/0x20 [ 31.575107][ T312] should_fail_ex+0x3c2/0x510 [ 31.575127][ T312] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.575148][ T312] should_failslab+0xac/0x100 [ 31.575168][ T312] kmem_cache_alloc_noprof+0x42/0x410 [ 31.575193][ T312] ? dst_alloc+0x13c/0x240 [ 31.575212][ T312] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.575233][ T312] dst_alloc+0x13c/0x240 [ 31.575251][ T312] icmp6_dst_alloc+0xef/0x4f0 [ 31.575267][ T312] ndisc_send_skb+0x2a6/0xca0 [ 31.575284][ T312] ? should_fail_ex+0x201/0x510 [ 31.575304][ T312] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.575321][ T312] ? kmem_cache_alloc_node_noprof+0x1ed/0x420 [ 31.575341][ T312] ? kmalloc_reserve+0xcf/0x4f0 [ 31.575365][ T312] ? __asan_memcpy+0x5a/0x80 [ 31.575382][ T312] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.575401][ T312] ndisc_send_rs+0x675/0x880 [ 31.575419][ T312] addrconf_dad_completed+0x973/0xef0 [ 31.575438][ T312] ? addrconf_dad_stop+0x460/0x460 [ 31.575457][ T312] addrconf_dad_work+0xc7f/0x1550 [ 31.575476][ T312] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.575494][ T312] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.575513][ T312] ? kick_pool+0xb9/0x540 [ 31.575534][ T312] process_scheduled_works+0x7f7/0x1060 [ 31.575555][ T312] worker_thread+0xc99/0x13f0 [ 31.575574][ T312] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.575593][ T312] ? __kasan_check_read+0x15/0x20 [ 31.575612][ T312] kthread+0x2c7/0x360 [ 31.575631][ T312] ? __cfi_worker_thread+0x10/0x10 [ 31.575649][ T312] ? __cfi_kthread+0x10/0x10 [ 31.575668][ T312] ret_from_fork+0x67/0xa0 [ 31.575691][ T312] ? __cfi_kthread+0x10/0x10 [ 31.575710][ T312] ret_from_fork_asm+0x1a/0x30 [ 31.575728][ T312] [ 31.576141][ C0] FAULT_INJECTION: forcing a failure. [ 31.576141][ C0] name failslab, interval 1, probability 10, space 0, times 37 [ 31.579661][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.579699][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.579711][ T99] Call Trace: [ 31.579716][ T99] [ 31.579722][ T99] __dump_stack+0x21/0x30 [ 31.579746][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.579768][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.579792][ T99] ? stack_depot_save_flags+0x38/0x800 [ 31.579814][ T99] dump_stack+0x19/0x20 [ 31.579840][ T99] should_fail_ex+0x3c2/0x510 [ 31.579858][ T99] should_failslab+0xac/0x100 [ 31.579879][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.579899][ T99] ? __d_alloc+0x42/0x8c0 [ 31.579915][ T99] ? expand_files+0xda/0x6f0 [ 31.579936][ T99] __d_alloc+0x42/0x8c0 [ 31.579953][ T99] d_alloc_pseudo+0x23/0xc0 [ 31.579969][ T99] alloc_file_pseudo+0xde/0x1f0 [ 31.579992][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 31.580018][ T99] ? _raw_spin_unlock+0x45/0x60 [ 31.580039][ T99] sock_alloc_file+0xbe/0x2b0 [ 31.580061][ T99] __sys_socket+0x14c/0x1c0 [ 31.580083][ T99] __x64_sys_socket+0x7e/0x90 [ 31.580106][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.580122][ T99] do_syscall_64+0x57/0xf0 [ 31.580141][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.580164][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.580184][ T99] RIP: 0033:0x7fe9883d5707 [ 31.580200][ 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 [ 31.580216][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.580235][ T99] RAX: ffffffffffffffda RBX: 0000000000000049 RCX: 00007fe9883d5707 [ 31.580249][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.580260][ T99] RBP: 00007fe988461560 R08: 0000000000000000 R09: 0000000000000000 [ 31.580272][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.580283][ T99] R13: 00007fffeff2f2f0 R14: 000000000000002e R15: 00007fffeff2f2f0 [ 31.580298][ T99] [ 31.580424][ T99] FAULT_INJECTION: forcing a failure. [ 31.580424][ T99] name failslab, interval 1, probability 10, space 0, times 36 [ 31.584754][ C0] CPU: 0 UID: 0 PID: 312 Comm: kworker/u8:4 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.584781][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.584793][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 31.584815][ C0] Call Trace: [ 31.584821][ C0] [ 31.584828][ C0] __dump_stack+0x21/0x30 [ 31.584854][ C0] dump_stack_lvl+0x140/0x1c0 [ 31.584879][ C0] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.584905][ C0] dump_stack+0x19/0x20 [ 31.584929][ C0] should_fail_ex+0x3c2/0x510 [ 31.584950][ C0] should_failslab+0xac/0x100 [ 31.584972][ C0] kmem_cache_alloc_noprof+0x42/0x410 [ 31.584990][ C0] ? skb_clone+0x21d/0x470 [ 31.585006][ C0] ? __cfi_br_multicast_count+0x10/0x10 [ 31.585032][ C0] skb_clone+0x21d/0x470 [ 31.585049][ C0] br_flood+0x650/0x720 [ 31.585069][ C0] br_handle_frame_finish+0x1157/0x1620 [ 31.585090][ C0] ? mld_sendpack+0x751/0xd10 [ 31.585109][ C0] ? mld_send_initial_cr+0x1c0/0x320 [ 31.585130][ C0] ? __cfi_br_handle_frame_finish+0x10/0x10 [ 31.585153][ C0] br_handle_frame+0x5a5/0xba0 [ 31.585182][ C0] ? __cfi_br_handle_frame+0x10/0x10 [ 31.585201][ C0] __netif_receive_skb_core+0xfc1/0x3a70 [ 31.585228][ C0] ? __kfree_skb+0x18f/0x210 [ 31.585253][ C0] ? ip6_mc_input+0x433/0x680 [ 31.585278][ C0] ? ip6_mc_input+0x433/0x680 [ 31.585302][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.585327][ C0] ? qdisc_run_end+0x120/0x120 [ 31.585352][ C0] ? __cfi_ip6_mc_input+0x10/0x10 [ 31.585376][ C0] ? ip6_rcv_finish+0x344/0x3c0 [ 31.585400][ C0] ? ipv6_rcv+0xf1/0x240 [ 31.585423][ C0] ? kthread+0x2c7/0x360 [ 31.585444][ C0] ? ret_from_fork+0x67/0xa0 [ 31.585470][ C0] ? __kasan_check_write+0x18/0x20 [ 31.585488][ C0] ? _raw_spin_lock_irq+0x93/0x120 [ 31.585508][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.585529][ C0] process_backlog+0x40b/0xaf0 [ 31.585558][ C0] __napi_poll+0xd0/0x600 [ 31.585582][ C0] net_rx_action+0x5dc/0xd70 [ 31.585609][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 31.585634][ C0] ? sched_clock+0x44/0x60 [ 31.585658][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 31.585684][ C0] ? irqtime_account_irq+0x51/0x1c0 [ 31.585709][ C0] handle_softirqs+0x1aa/0x620 [ 31.585729][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 31.585753][ C0] __do_softirq+0xf/0x16 [ 31.585775][ C0] do_softirq+0xb8/0x110 [ 31.585792][ C0] [ 31.585798][ C0] [ 31.585804][ C0] ? __cfi_do_softirq+0x10/0x10 [ 31.585822][ C0] __local_bh_enable_ip+0x74/0x80 [ 31.585839][ C0] __dev_queue_xmit+0x1b23/0x3780 [ 31.585864][ C0] ? __dev_queue_xmit+0x26c/0x3780 [ 31.585889][ C0] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 31.585911][ C0] ? __cfi___dev_queue_xmit+0x10/0x10 [ 31.585935][ C0] ? ref_tracker_alloc+0x356/0x5b0 [ 31.585957][ C0] ? ndisc_mc_map+0x39d/0x760 [ 31.585975][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.586005][ C0] ? __kasan_check_write+0x18/0x20 [ 31.586023][ C0] ? _raw_write_lock_bh+0x96/0xf0 [ 31.586044][ C0] ? __cfi__raw_write_lock_bh+0x10/0x10 [ 31.586067][ C0] ? eth_header+0x11d/0x1f0 [ 31.586092][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.586109][ C0] ? eth_header+0x11d/0x1f0 [ 31.586133][ C0] neigh_resolve_output+0x6f5/0x810 [ 31.586159][ C0] ip6_finish_output2+0x16fd/0x1990 [ 31.586191][ C0] ? __cfi_ip6_finish_output2+0x10/0x10 [ 31.586215][ C0] ? __cfi_ip6table_mangle_hook+0x10/0x10 [ 31.586238][ C0] ip6_finish_output+0x535/0xaf0 [ 31.586262][ C0] ip6_output+0x1fe/0x420 [ 31.586283][ C0] ? __cfi_ip6_output+0x10/0x10 [ 31.586305][ C0] ? __cfi_ip6_finish_output+0x10/0x10 [ 31.586326][ C0] ? __cfi_ip6t_do_table+0x10/0x10 [ 31.586352][ C0] ? __cfi_ip6_output+0x10/0x10 [ 31.586374][ C0] ndisc_send_skb+0x777/0xca0 [ 31.586393][ C0] ? __cfi_ndisc_send_skb+0x10/0x10 [ 31.586411][ C0] ? __cfi_dst_output+0x10/0x10 [ 31.586429][ C0] ? __asan_memcpy+0x5a/0x80 [ 31.586447][ C0] ? __ndisc_fill_addr_option+0xe2/0x140 [ 31.586466][ C0] ndisc_send_rs+0x675/0x880 [ 31.586485][ C0] addrconf_dad_completed+0x973/0xef0 [ 31.586505][ C0] ? addrconf_dad_stop+0x460/0x460 [ 31.586525][ C0] addrconf_dad_work+0xc7f/0x1550 [ 31.586545][ C0] ? __cfi_addrconf_dad_work+0x10/0x10 [ 31.586564][ C0] ? pwq_dec_nr_in_flight+0x943/0xba0 [ 31.586583][ C0] ? kick_pool+0xb9/0x540 [ 31.586605][ C0] process_scheduled_works+0x7f7/0x1060 [ 31.586627][ C0] worker_thread+0xc99/0x13f0 [ 31.586647][ C0] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.586667][ C0] ? __kasan_check_read+0x15/0x20 [ 31.586685][ C0] kthread+0x2c7/0x360 [ 31.586706][ C0] ? __cfi_worker_thread+0x10/0x10 [ 31.586723][ C0] ? __cfi_kthread+0x10/0x10 [ 31.586743][ C0] ret_from_fork+0x67/0xa0 [ 31.586768][ C0] ? __cfi_kthread+0x10/0x10 [ 31.586789][ C0] ret_from_fork_asm+0x1a/0x30 [ 31.586807][ C0] [ 31.586994][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.587018][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.587029][ T110] Call Trace: [ 31.587034][ T110] [ 31.587041][ T110] __dump_stack+0x21/0x30 [ 31.587065][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.587088][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.587112][ T110] ? __kasan_slab_free+0x6a/0x80 [ 31.587132][ T110] ? kmem_cache_free+0x1bd/0x4f0 [ 31.587151][ T110] dump_stack+0x19/0x20 [ 31.587181][ T110] should_fail_ex+0x3c2/0x510 [ 31.587201][ T110] should_failslab+0xac/0x100 [ 31.587220][ T110] kmem_cache_alloc_noprof+0x42/0x410 [ 31.587238][ T110] ? __x64_sys_epoll_wait+0x1d8/0x230 [ 31.587260][ T110] ? getname_flags+0xcc/0x6b0 [ 31.587281][ T110] getname_flags+0xcc/0x6b0 [ 31.587300][ T110] __x64_sys_unlink+0x3e/0x60 [ 31.587324][ T110] x64_sys_call+0x286c/0x2ee0 [ 31.587341][ T110] do_syscall_64+0x57/0xf0 [ 31.587360][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.587383][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.587405][ T110] RIP: 0033:0x7f9eba715937 [ 31.587421][ T110] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 31.587436][ T110] RSP: 002b:00007fff4248cec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 31.587454][ T110] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9eba715937 [ 31.587468][ T110] RDX: 0000000000000000 RSI: 0000000001d905c0 RDI: 000056485117502e [ 31.587481][ T110] RBP: 0000000000000000 R08: 0000000001e13174 R09: 4000000000000000 [ 31.587494][ T110] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 [ 31.587505][ T110] R13: 0000564851190100 R14: 0000000000000001 R15: 0000000000000000 [ 31.587519][ T110] [ 31.587960][ T110] udevd[110]: could not unlink /run/udev/queue: Cannot allocate memory [ 31.589003][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.589028][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.589039][ T99] Call Trace: [ 31.589045][ T99] [ 31.589051][ T99] __dump_stack+0x21/0x30 [ 31.589076][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.589099][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.589121][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 31.589144][ T99] dump_stack+0x19/0x20 [ 31.589165][ T99] should_fail_ex+0x3c2/0x510 [ 31.589185][ T99] should_failslab+0xac/0x100 [ 31.589206][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 31.589223][ T99] ? getname_kernel+0x6b/0x450 [ 31.589242][ T99] ? selinux_socket_connect_helper+0x4ae/0x940 [ 31.589262][ T99] getname_kernel+0x6b/0x450 [ 31.589280][ T99] ? socket_type_to_security_class+0x800/0x800 [ 31.589299][ T99] kern_path+0x23/0x60 [ 31.589319][ T99] unix_find_other+0x16b/0x930 [ 31.589344][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.589365][ T99] ? unix_insert_bsd_socket+0x270/0x270 [ 31.589394][ T99] ? current_check_access_socket+0x1a5/0x9d0 [ 31.589421][ T99] unix_dgram_connect+0x482/0xcc0 [ 31.589445][ T99] ? __cfi_unix_dgram_connect+0x10/0x10 [ 31.589471][ T99] ? selinux_socket_connect+0x27/0x40 [ 31.589493][ T99] ? bpf_lsm_socket_connect+0xd/0x20 [ 31.589513][ T99] ? security_socket_connect+0x3d/0x100 [ 31.589535][ T99] __sys_connect+0x3ed/0x490 [ 31.589558][ T99] ? __cfi_alloc_file_pseudo+0x10/0x10 [ 31.589582][ T99] ? __cfi___sys_connect+0x10/0x10 [ 31.589607][ T99] ? fd_install+0x246/0x400 [ 31.589626][ T99] ? __sys_socket+0x16d/0x1c0 [ 31.589647][ T99] ? __kasan_check_read+0x15/0x20 [ 31.589665][ T99] __x64_sys_connect+0x7e/0x90 [ 31.589699][ T99] x64_sys_call+0x1c2f/0x2ee0 [ 31.589719][ T99] do_syscall_64+0x57/0xf0 [ 31.589738][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.589760][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.589789][ T99] RIP: 0033:0x7fe98835a407 [ 31.589804][ 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 [ 31.589819][ T99] RSP: 002b:00007fffeff2f180 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 31.589838][ T99] RAX: ffffffffffffffda RBX: 00007fe98820ac80 RCX: 00007fe98835a407 [ 31.589852][ T99] RDX: 000000000000006e RSI: 00007fe988461560 RDI: 0000000000000003 [ 31.589864][ T99] RBP: 00007fe988461560 R08: 0000000000000000 R09: 0000000000000000 [ 31.589876][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.589888][ T99] R13: 000000000000000c R14: 0000000000000034 R15: 00007fffeff2f2f0 [ 31.589903][ T99] [ 31.590048][ T99] FAULT_INJECTION: forcing a failure. [ 31.590048][ T99] name failslab, interval 1, probability 10, space 0, times 33 [ 31.593941][ T110] FAULT_INJECTION: forcing a failure. [ 31.593941][ T110] name failslab, interval 1, probability 10, space 0, times 33 [ 31.599564][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.599592][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.599603][ T99] Call Trace: [ 31.599609][ T99] [ 31.599616][ T99] __dump_stack+0x21/0x30 [ 31.599642][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.599665][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.599698][ T99] dump_stack+0x19/0x20 [ 31.599720][ T99] should_fail_ex+0x3c2/0x510 [ 31.599739][ T99] should_failslab+0xac/0x100 [ 31.599761][ T99] kmem_cache_alloc_noprof+0x42/0x410 [ 31.599779][ T99] ? sk_prot_alloc+0x69/0x3a0 [ 31.599805][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.599827][ T99] sk_prot_alloc+0x69/0x3a0 [ 31.599851][ T99] sk_alloc+0x40/0x590 [ 31.599875][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 31.599897][ T99] unix_create1+0xb7/0x760 [ 31.599919][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 31.599941][ T99] unix_create+0x15a/0x220 [ 31.599963][ T99] __sock_create+0x3a5/0x810 [ 31.599986][ T99] __sys_socket+0xe1/0x1c0 [ 31.600011][ T99] __x64_sys_socket+0x7e/0x90 [ 31.600033][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.600049][ T99] do_syscall_64+0x57/0xf0 [ 31.600069][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.600092][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.600114][ T99] RIP: 0033:0x7fe9883d5707 [ 31.600135][ 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 [ 31.600156][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.600175][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.600189][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.600201][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.600213][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.600225][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000034 R15: 00007fffeff2f2f0 [ 31.600240][ T99] [ 31.600339][ T99] FAULT_INJECTION: forcing a failure. [ 31.600339][ T99] name failslab, interval 1, probability 10, space 0, times 32 [ 31.603732][ T10] FAULT_INJECTION: forcing a failure. [ 31.603732][ T10] name failslab, interval 1, probability 10, space 0, times 32 [ 31.607946][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.607971][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.607982][ T99] Call Trace: [ 31.607988][ T99] [ 31.607995][ T99] __dump_stack+0x21/0x30 [ 31.608022][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.608045][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.608070][ T99] dump_stack+0x19/0x20 [ 31.608092][ T99] should_fail_ex+0x3c2/0x510 [ 31.608112][ T99] ? security_sk_alloc+0x65/0x260 [ 31.608135][ T99] should_failslab+0xac/0x100 [ 31.608157][ T99] __kmalloc_noprof+0x69/0x510 [ 31.608175][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 31.608210][ T99] ? security_sk_alloc+0x65/0x260 [ 31.608231][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.608252][ T99] security_sk_alloc+0x65/0x260 [ 31.608276][ T99] sk_prot_alloc+0x123/0x3a0 [ 31.608301][ T99] sk_alloc+0x40/0x590 [ 31.608324][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 31.608344][ T99] unix_create1+0xb7/0x760 [ 31.608368][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 31.608391][ T99] unix_create+0x15a/0x220 [ 31.608413][ T99] __sock_create+0x3a5/0x810 [ 31.608436][ T99] __sys_socket+0xe1/0x1c0 [ 31.608461][ T99] __x64_sys_socket+0x7e/0x90 [ 31.608484][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.608501][ T99] do_syscall_64+0x57/0xf0 [ 31.608520][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.608542][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.608564][ T99] RIP: 0033:0x7fe9883d5707 [ 31.608579][ 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 [ 31.608595][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.608614][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.608627][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.608639][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.608651][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.608663][ T99] R13: 00007fffeff2f2f0 R14: 000000000000003a R15: 00007fffeff2f2f0 [ 31.608683][ T99] [ 31.608823][ T99] FAULT_INJECTION: forcing a failure. [ 31.608823][ T99] name failslab, interval 1, probability 10, space 0, times 31 [ 31.613771][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.613796][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.613807][ T110] Call Trace: [ 31.613813][ T110] [ 31.613820][ T110] __dump_stack+0x21/0x30 [ 31.613844][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.613866][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.613891][ T110] ? __filename_parentat+0x458/0x660 [ 31.613912][ T110] dump_stack+0x19/0x20 [ 31.613934][ T110] should_fail_ex+0x3c2/0x510 [ 31.613954][ T110] should_failslab+0xac/0x100 [ 31.613975][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.613994][ T110] ? __d_alloc+0x42/0x8c0 [ 31.614010][ T110] ? __d_lookup+0x4e8/0x550 [ 31.614028][ T110] __d_alloc+0x42/0x8c0 [ 31.614045][ T110] d_alloc+0x4c/0x1c0 [ 31.614060][ T110] ? lookup_one_qstr_excl+0xba/0x280 [ 31.614081][ T110] lookup_one_qstr_excl+0xcf/0x280 [ 31.614102][ T110] do_unlinkat+0x1e1/0x5a0 [ 31.614125][ T110] ? __cfi_do_unlinkat+0x10/0x10 [ 31.614149][ T110] ? __kasan_check_write+0x18/0x20 [ 31.614174][ T110] __x64_sys_unlink+0x4b/0x60 [ 31.614198][ T110] x64_sys_call+0x286c/0x2ee0 [ 31.614214][ T110] do_syscall_64+0x57/0xf0 [ 31.614232][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.614255][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.614276][ T110] RIP: 0033:0x7f9eba715937 [ 31.614291][ T110] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 31.614306][ T110] RSP: 002b:00007fff4248cec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 31.614324][ T110] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9eba715937 [ 31.614352][ T110] RDX: 0000000000000000 RSI: 0000000001d905c0 RDI: 000056485117502e [ 31.614365][ T110] RBP: 0000000000000000 R08: 0000000001e1f51d R09: 4000000000000000 [ 31.614377][ T110] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 [ 31.614388][ T110] R13: 0000564851190100 R14: 0000000000000001 R15: 0000000000000000 [ 31.614402][ T110] [ 31.614450][ T110] udevd[110]: could not unlink /run/udev/queue: Cannot allocate memory [ 31.618577][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.618603][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.618612][ T99] Call Trace: [ 31.618618][ T99] [ 31.618625][ T99] __dump_stack+0x21/0x30 [ 31.618649][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.618702][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.618725][ T99] ? avc_has_perm_noaudit+0x289/0x360 [ 31.618748][ T99] dump_stack+0x19/0x20 [ 31.618771][ T99] should_fail_ex+0x3c2/0x510 [ 31.618790][ T99] should_failslab+0xac/0x100 [ 31.618811][ T99] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.618831][ T99] ? sock_alloc_inode+0x48/0x150 [ 31.618854][ T99] sock_alloc_inode+0x48/0x150 [ 31.618875][ T99] ? __cfi_sock_alloc_inode+0x10/0x10 [ 31.618896][ T99] alloc_inode+0x7a/0x270 [ 31.618917][ T99] ? bpf_lsm_socket_create+0xd/0x20 [ 31.618937][ T99] new_inode_pseudo+0x19/0x40 [ 31.618959][ T99] __sock_create+0x130/0x810 [ 31.618981][ T99] __sys_socket+0xe1/0x1c0 [ 31.619003][ T99] __x64_sys_socket+0x7e/0x90 [ 31.619026][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.619042][ T99] do_syscall_64+0x57/0xf0 [ 31.619062][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.619084][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.619105][ T99] RIP: 0033:0x7fe9883d5707 [ 31.619120][ 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 [ 31.619135][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.619154][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.619167][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.619179][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.619190][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.619202][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000030 R15: 00007fffeff2f2f0 [ 31.619217][ T99] [ 31.619226][ T99] socket: no more sockets [ 31.623115][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.623140][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.623153][ T10] Workqueue: mld mld_dad_work [ 31.623182][ T10] Call Trace: [ 31.623187][ T10] [ 31.623195][ T10] __dump_stack+0x21/0x30 [ 31.623221][ T10] dump_stack_lvl+0x140/0x1c0 [ 31.623244][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.623272][ T10] dump_stack+0x19/0x20 [ 31.623294][ T10] should_fail_ex+0x3c2/0x510 [ 31.623313][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.623334][ T10] should_failslab+0xac/0x100 [ 31.623354][ T10] kmem_cache_alloc_noprof+0x42/0x410 [ 31.623372][ T10] ? kasan_save_alloc_info+0x3a/0x50 [ 31.623397][ T10] ? dst_alloc+0x13c/0x240 [ 31.623416][ T10] ? __cfi_ip6_dst_gc+0x10/0x10 [ 31.623436][ T10] dst_alloc+0x13c/0x240 [ 31.623454][ T10] icmp6_dst_alloc+0xef/0x4f0 [ 31.623471][ T10] mld_sendpack+0x5ac/0xd10 [ 31.623492][ T10] ? add_grec+0x1400/0x1400 [ 31.623510][ T10] ? add_grec+0xfa8/0x1400 [ 31.623528][ T10] ? __asan_memcpy+0x5a/0x80 [ 31.623548][ T10] ? mutex_lock+0x97/0x1d0 [ 31.623572][ T10] mld_send_initial_cr+0x1c0/0x320 [ 31.623590][ T10] mld_dad_work+0x3e/0x4e0 [ 31.623608][ T10] process_scheduled_works+0x7f7/0x1060 [ 31.623634][ T10] worker_thread+0xc99/0x13f0 [ 31.623654][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.623674][ T10] ? __kasan_check_read+0x15/0x20 [ 31.623692][ T10] kthread+0x2c7/0x360 [ 31.623711][ T10] ? __cfi_worker_thread+0x10/0x10 [ 31.623729][ T10] ? __cfi_kthread+0x10/0x10 [ 31.623749][ T10] ret_from_fork+0x67/0xa0 [ 31.623773][ T10] ? __cfi_kthread+0x10/0x10 [ 31.623792][ T10] ret_from_fork_asm+0x1a/0x30 [ 31.623810][ T10] [ 31.624092][ T110] FAULT_INJECTION: forcing a failure. [ 31.624092][ T110] name failslab, interval 1, probability 10, space 0, times 28 [ 31.628192][ T99] FAULT_INJECTION: forcing a failure. [ 31.628192][ T99] name failslab, interval 1, probability 10, space 0, times 27 [ 31.631985][ T10] FAULT_INJECTION: forcing a failure. [ 31.631985][ T10] name failslab, interval 1, probability 10, space 0, times 27 [ 31.638496][ T99] CPU: 1 UID: 0 PID: 99 Comm: klogd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.638525][ T99] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.638538][ T99] Call Trace: [ 31.638543][ T99] [ 31.638550][ T99] __dump_stack+0x21/0x30 [ 31.638579][ T99] dump_stack_lvl+0x140/0x1c0 [ 31.638603][ T99] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.638628][ T99] dump_stack+0x19/0x20 [ 31.638650][ T99] should_fail_ex+0x3c2/0x510 [ 31.638678][ T99] ? security_sk_alloc+0x65/0x260 [ 31.638702][ T99] should_failslab+0xac/0x100 [ 31.638724][ T99] __kmalloc_noprof+0x69/0x510 [ 31.638741][ T99] ? kasan_save_alloc_info+0x3a/0x50 [ 31.638767][ T99] ? security_sk_alloc+0x65/0x260 [ 31.638790][ T99] ? __kasan_slab_alloc+0x73/0x90 [ 31.638811][ T99] security_sk_alloc+0x65/0x260 [ 31.638834][ T99] sk_prot_alloc+0x123/0x3a0 [ 31.638860][ T99] sk_alloc+0x40/0x590 [ 31.638883][ T99] ? bpf_lsm_inode_alloc_security+0xd/0x20 [ 31.638905][ T99] unix_create1+0xb7/0x760 [ 31.638926][ T99] ? inode_init_always_gfp+0x76e/0x9e0 [ 31.638949][ T99] unix_create+0x15a/0x220 [ 31.638971][ T99] __sock_create+0x3a5/0x810 [ 31.638994][ T99] __sys_socket+0xe1/0x1c0 [ 31.639017][ T99] __x64_sys_socket+0x7e/0x90 [ 31.639039][ T99] x64_sys_call+0x2608/0x2ee0 [ 31.639056][ T99] do_syscall_64+0x57/0xf0 [ 31.639075][ T99] ? clear_bhb_loop+0x50/0xa0 [ 31.639099][ T99] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.639121][ T99] RIP: 0033:0x7fe9883d5707 [ 31.639137][ 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 [ 31.639152][ T99] RSP: 002b:00007fffeff2f1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 [ 31.639172][ T99] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe9883d5707 [ 31.639185][ T99] RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001 [ 31.639197][ T99] RBP: 00007fe988461560 R08: 0000000000000073 R09: 0000000000000001 [ 31.639209][ T99] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 [ 31.639221][ T99] R13: 00007fffeff2f2f0 R14: 0000000000000036 R15: 00007fffeff2f2f0 [ 31.639236][ T99] [ 31.639600][ T99] FAULT_INJECTION: forcing a failure. [ 31.639600][ T99] name failslab, interval 1, probability 10, space 0, times 25 [ 31.642524][ T110] CPU: 0 UID: 0 PID: 110 Comm: udevd Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.642550][ T110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.642561][ T110] Call Trace: [ 31.642567][ T110] [ 31.642574][ T110] __dump_stack+0x21/0x30 [ 31.642601][ T110] dump_stack_lvl+0x140/0x1c0 [ 31.642624][ T110] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.642647][ T110] ? __filename_parentat+0x458/0x660 [ 31.642669][ T110] dump_stack+0x19/0x20 [ 31.642691][ T110] should_fail_ex+0x3c2/0x510 [ 31.642712][ T110] should_failslab+0xac/0x100 [ 31.642734][ T110] kmem_cache_alloc_lru_noprof+0x44/0x410 [ 31.642753][ T110] ? __d_alloc+0x42/0x8c0 [ 31.642769][ T110] ? __d_lookup+0x4e8/0x550 [ 31.642787][ T110] __d_alloc+0x42/0x8c0 [ 31.642805][ T110] d_alloc+0x4c/0x1c0 [ 31.642820][ T110] ? lookup_one_qstr_excl+0xba/0x280 [ 31.642841][ T110] lookup_one_qstr_excl+0xcf/0x280 [ 31.642862][ T110] do_unlinkat+0x1e1/0x5a0 [ 31.642885][ T110] ? __cfi_do_unlinkat+0x10/0x10 [ 31.642909][ T110] ? __kasan_check_write+0x18/0x20 [ 31.642928][ T110] __x64_sys_unlink+0x4b/0x60 [ 31.642952][ T110] x64_sys_call+0x286c/0x2ee0 [ 31.642969][ T110] do_syscall_64+0x57/0xf0 [ 31.642988][ T110] ? clear_bhb_loop+0x50/0xa0 [ 31.643011][ T110] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.643033][ T110] RIP: 0033:0x7f9eba715937 [ 31.643048][ T110] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 31.643063][ T110] RSP: 002b:00007fff4248cec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 31.643082][ T110] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f9eba715937 [ 31.643095][ T110] RDX: 0000000000000000 RSI: 0000000001d905c0 RDI: 000056485117502e [ 31.643108][ T110] RBP: 0000000000000000 R08: 0000000001e26ae4 R09: 4000000000000000 [ 31.643121][ T110] R10: 0000000000000003 R11: 0000000000000202 R12: 0000000000000000 [ 31.643132][ T110] R13: 0000564851190100 R14: 0000000000000001 R15: 0000000000000000 [ 31.643146][ T110] [ 31.643199][ T110] udevd[110]: could not unlink /run/udev/queue: Cannot allocate memory [ 31.647223][ T295] FAULT_INJECTION: forcing a failure. [ 31.647223][ T295] name failslab, interval 1, probability 10, space 0, times 24 [ 31.651476][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.651499][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.651510][ T10] Workqueue: mld mld_dad_work [ 31.651531][ T10] Call Trace: [ 31.651537][ T10] [ 31.651544][ T10] __dump_stack+0x21/0x30 [ 31.651573][ T10] dump_stack_lvl+0x140/0x1c0 [ 31.651597][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.651622][ T10] ? psi_task_switch+0xa0/0x9c0 [ 31.651643][ T10] dump_stack+0x19/0x20 [ 31.651664][ T10] should_fail_ex+0x3c2/0x510 [ 31.651684][ T10] should_failslab+0xac/0x100 [ 31.651706][ T10] kmem_cache_alloc_node_noprof+0x45/0x420 [ 31.651725][ T10] ? __alloc_skb+0x10c/0x360 [ 31.651749][ T10] __alloc_skb+0x10c/0x360 [ 31.651771][ T10] mld_newpack+0x162/0xa10 [ 31.651790][ T10] ? mld_sendpack+0xd10/0xd10 [ 31.651810][ T10] ? preempt_schedule_irq+0xab/0x110 [ 31.651833][ T10] add_grec+0xf20/0x1400 [ 31.651853][ T10] ? mutex_lock+0x97/0x1d0 [ 31.651875][ T10] mld_send_initial_cr+0x157/0x320 [ 31.651894][ T10] mld_dad_work+0x3e/0x4e0 [ 31.651912][ T10] process_scheduled_works+0x7f7/0x1060 [ 31.651933][ T10] worker_thread+0xc99/0x13f0 [ 31.651953][ T10] ? __cfi_set_cpus_allowed_ptr+0x10/0x10 [ 31.651972][ T10] ? __kasan_check_read+0x15/0x20 [ 31.651989][ T10] kthread+0x2c7/0x360 [ 31.652008][ T10] ? __cfi_worker_thread+0x10/0x10 [ 31.652025][ T10] ? __cfi_kthread+0x10/0x10 [ 31.652045][ T10] ret_from_fork+0x67/0xa0 [ 31.652069][ T10] ? __cfi_kthread+0x10/0x10 [ 31.652087][ T10] ret_from_fork_asm+0x1a/0x30 [ 31.652105][ T10] [ 31.652373][ T10] FAULT_INJECTION: forcing a failure. [ 31.652373][ T10] name failslab, interval 1, probability 10, space 0, times 22 [ 31.656346][ T295] CPU: 1 UID: 0 PID: 295 Comm: syz-executor Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290 [ 31.656370][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.656381][ T295] Call Trace: [ 31.656387][ T295] [ 31.656394][ T295] __dump_stack+0x21/0x30 [ 31.656419][ T295] dump_stack_lvl+0x140/0x1c0 [ 31.656442][ T295] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.656465][ T295] ? __call_rcu_common+0x53c/0x710 [ 31.656487][ T295] dump_stack+0x19/0x20 [ 31.656508][ T295] should_fail_ex+0x3c2/0x510 [ 31.656529][ T295] should_failslab+0xac/0x100 [ 31.656550][ T295] __kmalloc_cache_noprof+0x41/0x470 [ 31.656569][ T295] ? kobject_uevent_env+0x2a3/0x7e0 [ 31.656590][ T295] ? __kasan_check_write+0x18/0x20 [ 31.656608][ T295] kobject_uevent_env+0x2a3/0x7e0 [ 31.656630][ T295] kobject_uevent+0x21/0x40 [ 31.656651][ T295] __kobject_del+0xd3/0x2c0 [ 31.656691][ T295] kobject_put+0x1ff/0x2a0 [ 31.656709][ T295] netdev_queue_update_kobjects+0x4b0/0x550 [ 31.656730][ T295] netdev_unregister_kobject+0x104/0x260 [ 31.656750][ T295] unregister_netdevice_many_notify+0x1678/0x1be0 [ 31.656776][ T295] ? __cfi_unregister_netdevice_many_notify+0x10/0x10 [ 31.656801][ T295] ? add_timer_global+0x84/0xb0 [ 31.656821][ T295] ? __queue_delayed_work+0x1b0/0x240 [ 31.656845][ T295] ? __kasan_check_read+0x15/0x20 [ 31.656863][ T295] unregister_netdevice_queue+0x302/0x350 [ 31.656885][ T295] ? __cfi_unregister_netdevice_queue+0x10/0x10 [ 31.656907][ T295] ? linkwatch_fire_event+0x212/0x260 [ 31.656932][ T295] __tun_detach+0xc98/0x1450 [ 31.656949][ T295] ? __cfi_tun_chr_close+0x10/0x10 [ 31.656964][ T295] tun_chr_close+0x93/0x150 [ 31.656980][ T295] __fput+0x208/0xa30 [ 31.657004][ T295] ____fput+0x20/0x30 [ 31.657026][ T295] task_work_run+0x1e8/0x260 [ 31.657048][ T295] ? __cfi_task_work_run+0x10/0x10 [ 31.657070][ T295] ? free_nsproxy+0x223/0x290 [ 31.657094][ T295] do_exit+0xa46/0x2850 [ 31.657117][ T295] ? __cfi_do_exit+0x10/0x10 [ 31.657139][ T295] ? __kasan_check_write+0x18/0x20 [ 31.657155][ T295] ? _raw_spin_lock_irq+0x93/0x120 [ 31.657175][ T295] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.657194][ T295] ? __cfi_ksys_write+0x10/0x10 [ 31.657212][ T295] ? zap_other_threads+0x32f/0x370 [ 31.657233][ T295] do_group_exit+0x21f/0x2f0 [ 31.657256][ T295] __x64_sys_exit_group+0x43/0x50 [ 31.657278][ T295] x64_sys_call+0x2ed2/0x2ee0 [ 31.657295][ T295] do_syscall_64+0x57/0xf0 [ 31.657314][ T295] ? clear_bhb_loop+0x50/0xa0 [ 31.657336][ T295] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.657358][ T295] RIP: 0033:0x7f5f1239df99 [ 31.657372][ T295] Code: Unable to access opcode bytes at 0x7f5f1239df6f. [ 31.657382][ T295] RSP: 002b:00007ffe5c6e0ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.657401][ T295] RAX: ffffffffffffffda RBX: 00007f5f12434339 RCX: 00007f5f1239df99 [ 31.657414][ T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 31.657426][ T295] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f5f12434314 [ 31.657437][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe5c6e2130 [ 31.657449][ T295] R13: 00007f5f12434314 R14: 0000000000007a62 R15: 00007ffe5c6e2170 [ 31.657464][ T295] [ 31.658046][ T295] FAULT_INJECTION: forcing a failure.