./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3486580783 <...> Warning: Permanently added '10.128.10.26' (ED25519) to the list of known hosts. execve("./syz-executor3486580783", ["./syz-executor3486580783"], 0x7ffc82d04b50 /* 10 vars */) = 0 brk(NULL) = 0x555557010000 brk(0x555557010d00) = 0x555557010d00 arch_prctl(ARCH_SET_FS, 0x555557010380) = 0 set_tid_address(0x555557010650) = 359 set_robust_list(0x555557010660, 24) = 0 rseq(0x555557010ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3486580783", 4096) = 28 getrandom("\x3d\xd9\xfa\xf0\xf2\xd7\x80\x9e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557010d00 brk(0x555557031d00) = 0x555557031d00 brk(0x555557032000) = 0x555557032000 mprotect(0x7f3a3905f000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557010650) = 360 ./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x555557010660, 24) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3 [ 27.438861][ T23] audit: type=1400 audit(1699746523.410:66): avc: denied { execmem } for pid=359 comm="syz-executor348" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 27.458896][ T23] audit: type=1400 audit(1699746523.410:67): avc: denied { read } for pid=360 comm="syz-executor348" name="loop-control" dev="devtmpfs" ino=9282 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [pid 360] ioctl(3, LOOP_CTL_REMOVE, 2) = 2 [pid 360] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 4 [pid 360] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 5 [pid 360] write(5, "70", 2) = 2 [ 27.483107][ T23] audit: type=1400 audit(1699746523.410:68): avc: denied { open } for pid=360 comm="syz-executor348" path="/dev/loop-control" dev="devtmpfs" ino=9282 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 27.507856][ T23] audit: type=1400 audit(1699746523.410:69): avc: denied { ioctl } for pid=360 comm="syz-executor348" path="/dev/loop-control" dev="devtmpfs" ino=9282 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 27.512768][ T360] FAULT_INJECTION: forcing a failure. [ 27.512768][ T360] name failslab, interval 1, probability 0, space 0, times 1 [ 27.546525][ T360] CPU: 0 PID: 360 Comm: syz-executor348 Not tainted 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 27.556399][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 27.566267][ T360] Call Trace: [ 27.569399][ T360] dump_stack+0x1d8/0x241 [ 27.573573][ T360] ? panic+0x896/0x896 [ 27.577466][ T360] ? check_preemption_disabled+0x9f/0x320 [ 27.583033][ T360] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 27.588696][ T360] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 27.593530][ T360] ? debug_smp_processor_id+0x20/0x20 [ 27.598734][ T360] ? __debugfs_create_file+0x367/0x400 [ 27.604030][ T360] should_fail+0x71f/0x880 [ 27.608368][ T360] ? bdi_register_va+0x47d/0x610 [ 27.613146][ T360] ? setup_fault_attr+0x3d0/0x3d0 [ 27.618005][ T360] ? bdi_register+0xd1/0x120 [ 27.622427][ T360] ? __device_add_disk+0x551/0x1220 [ 27.627461][ T360] ? kobj_map+0x65/0x5a0 [ 27.631540][ T360] should_failslab+0x5/0x20 [ 27.635880][ T360] __kmalloc+0x51/0x2e0 [ 27.639911][ T360] ? vsnprintf+0x1b96/0x1c70 [ 27.644299][ T360] kobj_map+0x65/0x5a0 [ 27.648204][ T360] ? disk_check_events+0x600/0x600 [ 27.653155][ T360] ? exact_match+0x20/0x20 [ 27.657411][ T360] __device_add_disk+0x65a/0x1220 [ 27.662286][ T360] ? device_add_disk+0x30/0x30 [ 27.666869][ T360] ? vsprintf+0x30/0x30 [ 27.670858][ T360] ? __alloc_disk_node+0x459/0x5a0 [ 27.675822][ T360] loop_add+0x573/0x740 [ 27.679929][ T360] loop_control_ioctl+0x448/0x620 [ 27.684787][ T360] ? loop_remove+0xa0/0xa0 [ 27.689050][ T360] ? ptrace_stop+0x6ee/0xa30 [ 27.693466][ T360] ? loop_remove+0xa0/0xa0 [ 27.697719][ T360] do_vfs_ioctl+0x742/0x1720 [ 27.702157][ T360] ? ioctl_preallocate+0x250/0x250 [ 27.707099][ T360] ? check_preemption_disabled+0x153/0x320 [ 27.712737][ T360] ? syscall_trace_enter+0x650/0x940 [ 27.717857][ T360] ? do_syscall_64+0x1c0/0x1c0 [ 27.722467][ T360] ? switch_fpu_return+0x1d4/0x410 [ 27.727403][ T360] ? security_file_ioctl+0x7d/0xa0 [ 27.732346][ T360] __x64_sys_ioctl+0xd4/0x110 [pid 360] ioctl(4, LOOP_CTL_ADD, 2) = 2 [pid 360] exit_group(0) = ? [pid 360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557010650) = 364 ./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x555557010660, 24) = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4) = 4 [pid 364] close(3) = 0 [pid 364] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3 [pid 364] ioctl(3, LOOP_CTL_REMOVE, 2) = 2 [pid 364] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 4 [pid 364] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 5 [pid 364] write(5, "70", 2) = 2 [ 27.736870][ T360] do_syscall_64+0xca/0x1c0 [ 27.741202][ T360] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 27.798208][ T364] FAULT_INJECTION: forcing a failure. [ 27.798208][ T364] name failslab, interval 1, probability 0, space 0, times 0 [ 27.810751][ T364] CPU: 1 PID: 364 Comm: syz-executor348 Not tainted 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 27.820663][ T364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 27.830551][ T364] Call Trace: [ 27.833690][ T364] dump_stack+0x1d8/0x241 [ 27.837850][ T364] ? panic+0x896/0x896 [ 27.841756][ T364] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 27.847398][ T364] ? __kasan_kmalloc+0x1d9/0x210 [ 27.852174][ T364] ? loop_add+0x573/0x740 [ 27.856347][ T364] ? __kasan_kmalloc+0x171/0x210 [ 27.861117][ T364] ? kobj_map+0x65/0x5a0 [ 27.865190][ T364] ? __device_add_disk+0x65a/0x1220 [ 27.870224][ T364] should_fail+0x71f/0x880 [ 27.874477][ T364] ? setup_fault_attr+0x3d0/0x3d0 [ 27.879337][ T364] ? kobject_set_name_vargs+0x5d/0x110 [ 27.884630][ T364] should_failslab+0x5/0x20 [ 27.888969][ T364] __kmalloc_track_caller+0x4f/0x2b0 [ 27.894090][ T364] kstrdup_const+0x51/0x90 [ 27.898354][ T364] kobject_set_name_vargs+0x5d/0x110 [ 27.903466][ T364] dev_set_name+0xd1/0x120 [ 27.907715][ T364] ? get_device+0x30/0x30 [ 27.911883][ T364] ? kobj_map+0x567/0x5a0 [ 27.916052][ T364] __device_add_disk+0x6de/0x1220 [ 27.920911][ T364] ? device_add_disk+0x30/0x30 [ 27.925511][ T364] ? __alloc_disk_node+0x459/0x5a0 [ 27.930457][ T364] loop_add+0x573/0x740 [ 27.934450][ T364] loop_control_ioctl+0x448/0x620 [ 27.939312][ T364] ? loop_remove+0xa0/0xa0 [ 27.943563][ T364] ? ptrace_stop+0x6ee/0xa30 [ 27.947993][ T364] ? loop_remove+0xa0/0xa0 [ 27.952248][ T364] do_vfs_ioctl+0x742/0x1720 [ 27.956668][ T364] ? ioctl_preallocate+0x250/0x250 [ 27.961614][ T364] ? check_preemption_disabled+0x153/0x320 [ 27.967255][ T364] ? syscall_trace_enter+0x650/0x940 [ 27.972383][ T364] ? do_syscall_64+0x1c0/0x1c0 [ 27.976980][ T364] ? switch_fpu_return+0x1d4/0x410 [ 27.981923][ T364] ? security_file_ioctl+0x7d/0xa0 [ 27.986873][ T364] __x64_sys_ioctl+0xd4/0x110 [ 27.991388][ T364] do_syscall_64+0xca/0x1c0 [ 27.995723][ T364] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 28.001570][ T364] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 28.009255][ T364] ------------[ cut here ]------------ [ 28.014477][ T364] WARNING: CPU: 1 PID: 364 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 28.023404][ T364] Modules linked in: [ 28.027145][ T364] CPU: 1 PID: 364 Comm: syz-executor348 Not tainted 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 28.037120][ T364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 28.047020][ T364] RIP: 0010:sysfs_create_files+0x325/0x470 [ 28.052659][ T364] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 c1 0e d6 ff e9 a8 fe ff ff e8 37 4d a6 ff 31 db e9 ef 00 00 00 e8 2b 4d a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 28.072099][ T364] RSP: 0018:ffff8881dc427940 EFLAGS: 00010293 [ 28.078007][ T364] RAX: ffffffff81bdf778 RBX: ffff8881dcd7e0a0 RCX: ffff8881dc41bf00 [ 28.085811][ T364] RDX: 0000000000000000 RSI: ffffffff860656a0 RDI: ffff8881dcd7e070 [ 28.093623][ T364] RBP: ffff8881dc427a10 R08: ffffffff8449e3a0 R09: ffffed103dd8b018 [ 28.101433][ T364] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 28.109246][ T364] R13: ffffffff84f98b00 R14: dffffc0000000000 R15: ffff8881dcd7e070 [ 28.117066][ T364] FS: 0000555557010380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.125822][ T364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.132245][ T364] CR2: 00007f3a390496c4 CR3: 00000001dcf09000 CR4: 00000000003406a0 [ 28.140062][ T364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.147864][ T364] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.155673][ T364] Call Trace: [ 28.158809][ T364] ? __warn+0x162/0x250 [ 28.162803][ T364] ? report_bug+0x3a1/0x4e0 [ 28.167139][ T364] ? sysfs_create_files+0x325/0x470 [ 28.172172][ T364] ? sysfs_create_files+0x325/0x470 [ 28.177205][ T364] ? do_invalid_op+0x6e/0x110 [ 28.181716][ T364] ? invalid_op+0x1e/0x30 [ 28.185889][ T364] ? kobject_get+0xc0/0x110 [ 28.190226][ T364] ? sysfs_create_files+0x458/0x470 [ 28.195260][ T364] ? sysfs_create_files+0x325/0x470 [ 28.200296][ T364] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 28.205504][ T364] ? kobject_get+0xc9/0x110 [ 28.209840][ T364] __device_add_disk+0x949/0x1220 [ 28.214705][ T364] ? device_add_disk+0x30/0x30 [ 28.219311][ T364] ? __alloc_disk_node+0x459/0x5a0 [ 28.224250][ T364] loop_add+0x573/0x740 [ 28.228242][ T364] loop_control_ioctl+0x448/0x620 [ 28.233109][ T364] ? loop_remove+0xa0/0xa0 [ 28.237356][ T364] ? ptrace_stop+0x6ee/0xa30 [ 28.241784][ T364] ? loop_remove+0xa0/0xa0 [ 28.246035][ T364] do_vfs_ioctl+0x742/0x1720 [ 28.250461][ T364] ? ioctl_preallocate+0x250/0x250 [ 28.255409][ T364] ? check_preemption_disabled+0x153/0x320 [ 28.261051][ T364] ? syscall_trace_enter+0x650/0x940 [ 28.266168][ T364] ? do_syscall_64+0x1c0/0x1c0 [ 28.270769][ T364] ? switch_fpu_return+0x1d4/0x410 [ 28.275718][ T364] ? security_file_ioctl+0x7d/0xa0 [ 28.280662][ T364] __x64_sys_ioctl+0xd4/0x110 [ 28.285178][ T364] do_syscall_64+0xca/0x1c0 [ 28.289520][ T364] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 28.295246][ T364] ---[ end trace ae600c39d8473f12 ]--- [ 28.312631][ T364] ------------[ cut here ]------------ [ 28.318072][ T364] kernfs: can not remove 'events', no directory [ 28.324651][ T364] WARNING: CPU: 0 PID: 364 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 28.334080][ T364] Modules linked in: [ 28.337818][ T364] CPU: 0 PID: 364 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 28.349181][ T364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 28.359089][ T364] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 28.365159][ T364] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 ce aa a6 ff 48 c7 c7 40 9a e5 84 4c 89 fe e8 3f 65 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 b1 aa a6 ff bb fe ff ff ff 48 c7 c7 [ 28.384591][ T364] RSP: 0018:ffff8881dc427918 EFLAGS: 00010246 [ 28.390490][ T364] RAX: 233862b0604a6200 RBX: 0000000000000000 RCX: ffff8881dc41bf00 [ 28.398308][ T364] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.406115][ T364] RBP: ffff8881dc427a10 R08: ffffffff814d6752 R09: ffffed103edca9b8 [ 28.413923][ T364] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 28.421733][ T364] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f98bc0 [ 28.429546][ T364] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.438311][ T364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.444744][ T364] CR2: 00007fffb639ae88 CR3: 00000001dcf09000 CR4: 00000000003406b0 [ 28.452550][ T364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.460375][ T364] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.468182][ T364] Call Trace: [ 28.471313][ T364] ? __warn+0x162/0x250 [ 28.475290][ T364] ? report_bug+0x3a1/0x4e0 [ 28.479638][ T364] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.485097][ T364] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.490563][ T364] ? do_invalid_op+0x6e/0x110 [ 28.495085][ T364] ? invalid_op+0x1e/0x30 [ 28.499248][ T364] ? wake_up_klogd+0xb2/0xf0 [ 28.503846][ T364] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.509314][ T364] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.514781][ T364] sysfs_create_files+0x3de/0x470 [ 28.519644][ T364] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 28.524849][ T364] ? kobject_get+0xc9/0x110 [ 28.529189][ T364] __device_add_disk+0x949/0x1220 [ 28.534051][ T364] ? device_add_disk+0x30/0x30 [ 28.538647][ T364] ? __alloc_disk_node+0x459/0x5a0 [ 28.543595][ T364] loop_add+0x573/0x740 [ 28.547590][ T364] loop_control_ioctl+0x448/0x620 [ 28.552445][ T364] ? loop_remove+0xa0/0xa0 [ 28.556701][ T364] ? ptrace_stop+0x6ee/0xa30 [ 28.561126][ T364] ? loop_remove+0xa0/0xa0 [ 28.565382][ T364] do_vfs_ioctl+0x742/0x1720 [ 28.569809][ T364] ? ioctl_preallocate+0x250/0x250 [ 28.574754][ T364] ? check_preemption_disabled+0x153/0x320 [ 28.580393][ T364] ? syscall_trace_enter+0x650/0x940 [ 28.585515][ T364] ? do_syscall_64+0x1c0/0x1c0 [ 28.590113][ T364] ? switch_fpu_return+0x1d4/0x410 [ 28.595064][ T364] ? security_file_ioctl+0x7d/0xa0 [ 28.600009][ T364] __x64_sys_ioctl+0xd4/0x110 [ 28.604521][ T364] do_syscall_64+0xca/0x1c0 [pid 364] ioctl(4, LOOP_CTL_ADD, 2) = 2 [pid 364] exit_group(0) = ? [pid 364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 365 attached , child_tidptr=0x555557010650) = 365 [pid 365] set_robust_list(0x555557010660, 24) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3 [ 28.608860][ T364] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 28.614589][ T364] ---[ end trace ae600c39d8473f13 ]--- [ 28.622275][ T364] loop2: failed to create sysfs files for events [ 28.637160][ T365] ------------[ cut here ]------------ [ 28.642614][ T365] kernfs: can not remove 'events', no directory [ 28.648768][ T365] WARNING: CPU: 0 PID: 365 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 28.658108][ T365] Modules linked in: [ 28.661848][ T365] CPU: 0 PID: 365 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 28.673216][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 28.683118][ T365] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 28.689191][ T365] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 ce aa a6 ff 48 c7 c7 40 9a e5 84 4c 89 fe e8 3f 65 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 b1 aa a6 ff bb fe ff ff ff 48 c7 c7 [ 28.708641][ T365] RSP: 0018:ffff8881dc567a38 EFLAGS: 00010246 [ 28.714541][ T365] RAX: c48b9313e159c800 RBX: 0000000000000000 RCX: ffff8881dc418000 [ 28.722340][ T365] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.730160][ T365] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: ffffed103edc5262 [ 28.737969][ T365] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 28.745773][ T365] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98bc0 [ 28.753596][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.762353][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.768777][ T365] CR2: 00007f3a390630d0 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 28.776594][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.784397][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.792208][ T365] Call Trace: [ 28.795340][ T365] ? __warn+0x162/0x250 [ 28.799334][ T365] ? report_bug+0x3a1/0x4e0 [ 28.803667][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.809135][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.814602][ T365] ? do_invalid_op+0x6e/0x110 [ 28.819126][ T365] ? invalid_op+0x1e/0x30 [ 28.823285][ T365] ? wake_up_klogd+0xb2/0xf0 [ 28.827719][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.833184][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 28.838650][ T365] sysfs_remove_files+0x91/0xe0 [ 28.843338][ T365] del_gendisk+0x26e/0xc30 [ 28.847587][ T365] ? avc_flush+0x1f0/0x1f0 [ 28.851839][ T365] ? device_add_disk_no_queue_reg+0x20/0x20 [ 28.857565][ T365] ? delete_node+0x706/0x780 [ 28.861995][ T365] loop_remove+0x42/0xa0 [ 28.866074][ T365] loop_control_ioctl+0x564/0x620 [ 28.870936][ T365] ? loop_remove+0xa0/0xa0 [ 28.875186][ T365] ? ptrace_stop+0x6ee/0xa30 [ 28.879616][ T365] ? loop_remove+0xa0/0xa0 [ 28.883863][ T365] do_vfs_ioctl+0x742/0x1720 [ 28.888295][ T365] ? ioctl_preallocate+0x250/0x250 [ 28.893252][ T365] ? syscall_trace_enter+0x650/0x940 [ 28.898358][ T365] ? do_syscall_64+0x1c0/0x1c0 [ 28.903047][ T365] ? security_file_ioctl+0x7d/0xa0 [ 28.908166][ T365] __x64_sys_ioctl+0xd4/0x110 [ 28.912699][ T365] do_syscall_64+0xca/0x1c0 [ 28.917033][ T365] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 28.922746][ T365] ---[ end trace ae600c39d8473f14 ]--- [ 28.929044][ T365] ------------[ cut here ]------------ [ 28.935246][ T365] kernfs: can not remove 'events_async', no directory [ 28.941913][ T365] WARNING: CPU: 0 PID: 365 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 28.951264][ T365] Modules linked in: [ 28.955003][ T365] CPU: 0 PID: 365 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 28.966365][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 28.976268][ T365] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 28.982340][ T365] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 ce aa a6 ff 48 c7 c7 40 9a e5 84 4c 89 fe e8 3f 65 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 b1 aa a6 ff bb fe ff ff ff 48 c7 c7 [ 29.001779][ T365] RSP: 0018:ffff8881dc567a38 EFLAGS: 00010246 [ 29.007683][ T365] RAX: c48b9313e159c800 RBX: 0000000000000000 RCX: ffff8881dc418000 [ 29.015530][ T365] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 29.023406][ T365] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: ffffed103edc5262 [ 29.031205][ T365] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 29.039096][ T365] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98c60 [ 29.046828][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.055593][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.062027][ T365] CR2: 00005576f45cd068 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 29.069830][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.077637][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.085448][ T365] Call Trace: [ 29.088582][ T365] ? __warn+0x162/0x250 [ 29.092577][ T365] ? report_bug+0x3a1/0x4e0 [ 29.096910][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.102378][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.107844][ T365] ? do_invalid_op+0x6e/0x110 [ 29.112357][ T365] ? invalid_op+0x1e/0x30 [ 29.116531][ T365] ? wake_up_klogd+0xb2/0xf0 [ 29.120949][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.126419][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.131885][ T365] sysfs_remove_files+0x91/0xe0 [ 29.136572][ T365] del_gendisk+0x26e/0xc30 [ 29.140827][ T365] ? avc_flush+0x1f0/0x1f0 [ 29.145079][ T365] ? device_add_disk_no_queue_reg+0x20/0x20 [ 29.150806][ T365] ? delete_node+0x706/0x780 [ 29.155237][ T365] loop_remove+0x42/0xa0 [ 29.159314][ T365] loop_control_ioctl+0x564/0x620 [ 29.164174][ T365] ? loop_remove+0xa0/0xa0 [ 29.168427][ T365] ? ptrace_stop+0x6ee/0xa30 [ 29.173033][ T365] ? loop_remove+0xa0/0xa0 [ 29.177284][ T365] do_vfs_ioctl+0x742/0x1720 [ 29.181709][ T365] ? ioctl_preallocate+0x250/0x250 [ 29.186674][ T365] ? syscall_trace_enter+0x650/0x940 [ 29.191775][ T365] ? do_syscall_64+0x1c0/0x1c0 [ 29.196376][ T365] ? security_file_ioctl+0x7d/0xa0 [ 29.201337][ T365] __x64_sys_ioctl+0xd4/0x110 [ 29.205836][ T365] do_syscall_64+0xca/0x1c0 [ 29.210175][ T365] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 29.215902][ T365] ---[ end trace ae600c39d8473f15 ]--- [ 29.221402][ T365] ------------[ cut here ]------------ [ 29.226675][ T365] kernfs: can not remove 'events_poll_msecs', no directory [ 29.233796][ T365] WARNING: CPU: 0 PID: 365 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 29.243149][ T365] Modules linked in: [ 29.246887][ T365] CPU: 0 PID: 365 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 29.258252][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 29.268186][ T365] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 29.274233][ T365] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 ce aa a6 ff 48 c7 c7 40 9a e5 84 4c 89 fe e8 3f 65 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 b1 aa a6 ff bb fe ff ff ff 48 c7 c7 [ 29.293665][ T365] RSP: 0018:ffff8881dc567a38 EFLAGS: 00010246 [ 29.299574][ T365] RAX: c48b9313e159c800 RBX: 0000000000000000 RCX: ffff8881dc418000 [ 29.307480][ T365] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 29.315290][ T365] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: 0000000000000003 [ 29.323109][ T365] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 29.330913][ T365] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98c80 [ 29.338723][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.347491][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.353917][ T365] CR2: 00005576f45cd068 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 29.361724][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.369533][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.377343][ T365] Call Trace: [ 29.380480][ T365] ? __warn+0x162/0x250 [ 29.384466][ T365] ? report_bug+0x3a1/0x4e0 [ 29.388804][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.394275][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.399831][ T365] ? do_invalid_op+0x6e/0x110 [ 29.404374][ T365] ? invalid_op+0x1e/0x30 [ 29.408513][ T365] ? wake_up_klogd+0xb2/0xf0 [ 29.412938][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.418400][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.423878][ T365] sysfs_remove_files+0x91/0xe0 [ 29.428563][ T365] del_gendisk+0x26e/0xc30 [ 29.432810][ T365] ? avc_flush+0x1f0/0x1f0 [ 29.437061][ T365] ? device_add_disk_no_queue_reg+0x20/0x20 [ 29.442802][ T365] ? delete_node+0x706/0x780 [ 29.447220][ T365] loop_remove+0x42/0xa0 [ 29.451321][ T365] loop_control_ioctl+0x564/0x620 [ 29.456167][ T365] ? loop_remove+0xa0/0xa0 [ 29.460413][ T365] ? ptrace_stop+0x6ee/0xa30 [ 29.464835][ T365] ? loop_remove+0xa0/0xa0 [ 29.469093][ T365] do_vfs_ioctl+0x742/0x1720 [ 29.473521][ T365] ? ioctl_preallocate+0x250/0x250 [ 29.478464][ T365] ? syscall_trace_enter+0x650/0x940 [ 29.483586][ T365] ? do_syscall_64+0x1c0/0x1c0 [ 29.488191][ T365] ? security_file_ioctl+0x7d/0xa0 [ 29.493131][ T365] __x64_sys_ioctl+0xd4/0x110 [ 29.497646][ T365] do_syscall_64+0xca/0x1c0 [ 29.501985][ T365] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 29.507710][ T365] ---[ end trace ae600c39d8473f16 ]--- [ 29.513114][ T365] ------------[ cut here ]------------ [ 29.518296][ T365] kernfs: can not remove 'bdi', no directory [ 29.524257][ T365] WARNING: CPU: 0 PID: 365 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 29.533680][ T365] Modules linked in: [ 29.537422][ T365] CPU: 0 PID: 365 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 29.548782][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 29.558690][ T365] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 29.564756][ T365] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 ce aa a6 ff 48 c7 c7 40 9a e5 84 4c 89 fe e8 3f 65 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 b1 aa a6 ff bb fe ff ff ff 48 c7 c7 [ 29.584193][ T365] RSP: 0018:ffff8881dc567a78 EFLAGS: 00010246 [ 29.590094][ T365] RAX: c48b9313e159c800 RBX: 0000000000000000 RCX: ffff8881dc418000 [ 29.597906][ T365] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 29.605717][ T365] RBP: ffff8881dc567b88 R08: ffffffff814d6752 R09: 0000000000000003 [ 29.613538][ T365] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881dcd7e000 [ 29.621346][ T365] R13: ffff8881dcd7e4e8 R14: 0000000000000000 R15: ffffffff84f98720 [ 29.629157][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.637920][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.644346][ T365] CR2: 00005576f45cd068 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 29.652163][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.659968][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.667778][ T365] Call Trace: [ 29.670930][ T365] ? __warn+0x162/0x250 [ 29.674899][ T365] ? report_bug+0x3a1/0x4e0 [ 29.679239][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.684702][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.690169][ T365] ? do_invalid_op+0x6e/0x110 [ 29.694702][ T365] ? invalid_op+0x1e/0x30 [ 29.698853][ T365] ? wake_up_klogd+0xb2/0xf0 [ 29.703277][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.708745][ T365] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 29.714212][ T365] del_gendisk+0x5a1/0xc30 [ 29.718469][ T365] ? device_add_disk_no_queue_reg+0x20/0x20 [ 29.724192][ T365] ? delete_node+0x706/0x780 [ 29.728620][ T365] loop_remove+0x42/0xa0 [ 29.732703][ T365] loop_control_ioctl+0x564/0x620 [ 29.737561][ T365] ? loop_remove+0xa0/0xa0 [ 29.741814][ T365] ? ptrace_stop+0x6ee/0xa30 [ 29.746239][ T365] ? loop_remove+0xa0/0xa0 [ 29.750492][ T365] do_vfs_ioctl+0x742/0x1720 [ 29.754919][ T365] ? ioctl_preallocate+0x250/0x250 [ 29.759868][ T365] ? syscall_trace_enter+0x650/0x940 [ 29.764985][ T365] ? do_syscall_64+0x1c0/0x1c0 [ 29.769587][ T365] ? security_file_ioctl+0x7d/0xa0 [ 29.774545][ T365] __x64_sys_ioctl+0xd4/0x110 [ 29.779048][ T365] do_syscall_64+0xca/0x1c0 [ 29.783388][ T365] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 29.789119][ T365] ---[ end trace ae600c39d8473f17 ]--- [ 29.796412][ T365] kasan: CONFIG_KASAN_INLINE enabled [ 29.801504][ T365] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.809602][ T365] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 29.816341][ T365] CPU: 0 PID: 365 Comm: syz-executor348 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0 [ 29.827705][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 29.837612][ T365] RIP: 0010:strlen+0x28/0x60 [ 29.842122][ T365] Code: 40 00 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 29.861565][ T365] RSP: 0018:ffff8881dc567a00 EFLAGS: 00010246 [ 29.867463][ T365] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 29.875276][ T365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.883097][ T365] RBP: 0000000000000000 R08: ffffffff81bd683c R09: ffffed103b8acf41 [ 29.890902][ T365] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 29.898717][ T365] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 29.906523][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.915295][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.921708][ T365] CR2: 00005576f45cd068 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 29.929666][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.937469][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.945276][ T365] Call Trace: [ 29.948414][ T365] ? __die+0xb4/0x100 [ 29.952226][ T365] ? die+0x26/0x50 [ 29.955785][ T365] ? do_general_protection+0x266/0x3c0 [ 29.961078][ T365] ? do_trap+0x340/0x340 [ 29.965160][ T365] ? general_protection+0x28/0x30 [ 29.970022][ T365] ? kernfs_find_ns+0x6c/0x440 [ 29.974615][ T365] ? strlen+0x28/0x60 [ 29.978433][ T365] kernfs_find_ns+0x83/0x440 [ 29.982864][ T365] kernfs_remove_by_name_ns+0x37/0x100 [ 29.988174][ T365] del_gendisk+0x9c7/0xc30 [ 29.992412][ T365] ? device_add_disk_no_queue_reg+0x20/0x20 [ 29.998168][ T365] ? delete_node+0x706/0x780 [ 30.002585][ T365] loop_remove+0x42/0xa0 [ 30.006654][ T365] loop_control_ioctl+0x564/0x620 [ 30.011503][ T365] ? loop_remove+0xa0/0xa0 [ 30.015760][ T365] ? ptrace_stop+0x6ee/0xa30 [ 30.020189][ T365] ? loop_remove+0xa0/0xa0 [ 30.024439][ T365] do_vfs_ioctl+0x742/0x1720 [ 30.028867][ T365] ? ioctl_preallocate+0x250/0x250 [ 30.033916][ T365] ? syscall_trace_enter+0x650/0x940 [ 30.039018][ T365] ? do_syscall_64+0x1c0/0x1c0 [ 30.043620][ T365] ? security_file_ioctl+0x7d/0xa0 [ 30.048576][ T365] __x64_sys_ioctl+0xd4/0x110 [ 30.053079][ T365] do_syscall_64+0xca/0x1c0 [ 30.057426][ T365] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.063143][ T365] Modules linked in: [ 30.068311][ T365] ---[ end trace ae600c39d8473f18 ]--- [ 30.073607][ T365] RIP: 0010:strlen+0x28/0x60 [ 30.078007][ T365] Code: 40 00 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 30.097700][ T365] RSP: 0018:ffff8881dc567a00 EFLAGS: 00010246 [ 30.103545][ T365] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 30.111325][ T365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.119196][ T365] RBP: 0000000000000000 R08: ffffffff81bd683c R09: ffffed103b8acf41 [ 30.127076][ T365] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 30.134873][ T365] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 30.142684][ T365] FS: 0000555557010380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.151436][ T365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.157875][ T365] CR2: 00005576f45cd068 CR3: 00000001dc4f2000 CR4: 00000000003406b0 [ 30.165686][ T365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.173518][ T365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.181282][ T365] Kernel panic - not syncing: Fatal exception [ 30.187446][ T365] Kernel Offset: disabled [ 30.191576][ T365] Rebooting in 86400 seconds..