./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2779823132
<...>
dit: type=1400 audit(1700029132.329:64): avc: denied { rlimitinh } for pid=286 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 14.020187][ T23] audit: type=1400 audit(1700029132.329:65): avc: denied { siginh } for pid=286 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 15.428345][ T287] sshd (287) used greatest stack depth: 21112 bytes left
Warning: Permanently added '10.128.1.158' (ED25519) to the list of known hosts.
execve("./syz-executor2779823132", ["./syz-executor2779823132"], 0x7ffe004e9650 /* 10 vars */) = 0
brk(NULL) = 0x5555569bf000
brk(0x5555569bfd00) = 0x5555569bfd00
arch_prctl(ARCH_SET_FS, 0x5555569bf380) = 0
set_tid_address(0x5555569bf650) = 355
set_robust_list(0x5555569bf660, 24) = 0
rseq(0x5555569bfca0, 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-executor2779823132", 4096) = 28
getrandom("\x4f\x7c\x3f\x4f\x82\x50\x25\x3b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555569bfd00
brk(0x5555569e0d00) = 0x5555569e0d00
brk(0x5555569e1000) = 0x5555569e1000
mprotect(0x7f90f4754000, 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=0x5555569bf650) = 356
./strace-static-x86_64: Process 356 attached
[pid 356] set_robust_list(0x5555569bf660, 24) = 0
[pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 356] setpgid(0, 0) = 0
[pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 356] write(3, "1000", 4) = 4
[pid 356] close(3) = 0
[ 22.711345][ T23] audit: type=1400 audit(1700029141.029:66): avc: denied { execmem } for pid=355 comm="syz-executor277" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid 356] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY|FASYNC) = 3
[ 22.741839][ T23] audit: type=1400 audit(1700029141.069:67): avc: denied { read } for pid=356 comm="syz-executor277" name="loop-control" dev="devtmpfs" ino=9316 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1
[ 22.766904][ T23] audit: type=1400 audit(1700029141.069:68): avc: denied { open } for pid=356 comm="syz-executor277" path="/dev/loop-control" dev="devtmpfs" ino=9316 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1
[pid 356] ioctl(3, LOOP_CTL_REMOVE, 0) = 0
[pid 356] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 356] write(4, "77", 2) = 2
[ 22.792231][ T23] audit: type=1400 audit(1700029141.069:69): avc: denied { ioctl } for pid=356 comm="syz-executor277" path="/dev/loop-control" dev="devtmpfs" ino=9316 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1
[ 22.833614][ T356] FAULT_INJECTION: forcing a failure.
[ 22.833614][ T356] name failslab, interval 1, probability 0, space 0, times 1
[ 22.847452][ T356] CPU: 1 PID: 356 Comm: syz-executor277 Not tainted 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 22.857402][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 22.867292][ T356] Call Trace:
[ 22.870532][ T356] dump_stack+0x1d8/0x241
[ 22.874707][ T356] ? panic+0x896/0x896
[ 22.878865][ T356] ? nf_ct_l4proto_log_invalid+0x258/0x258
[ 22.884501][ T356] should_fail+0x71f/0x880
[ 22.888755][ T356] ? memcpy+0x38/0x50
[ 22.892685][ T356] ? setup_fault_attr+0x3d0/0x3d0
[ 22.897634][ T356] ? dev_set_name+0xd1/0x120
[ 22.902068][ T356] ? device_add+0xb6/0xbb0
[ 22.906321][ T356] should_failslab+0x5/0x20
[ 22.910657][ T356] kmem_cache_alloc_trace+0x28/0x260
[ 22.915996][ T356] device_add+0xb6/0xbb0
[ 22.920948][ T356] __device_add_disk+0x767/0x1220
[ 22.925897][ T356] ? device_add_disk+0x30/0x30
[ 22.930482][ T356] ? __alloc_disk_node+0x459/0x5a0
[ 22.935431][ T356] loop_add+0x573/0x740
[ 22.939531][ T356] loop_control_ioctl+0x448/0x620
[ 22.944457][ T356] ? loop_remove+0xa0/0xa0
[ 22.948710][ T356] ? ptrace_stop+0x6ee/0xa30
[ 22.953134][ T356] ? loop_remove+0xa0/0xa0
[ 22.957384][ T356] do_vfs_ioctl+0x742/0x1720
[ 22.961815][ T356] ? ioctl_preallocate+0x250/0x250
[ 22.966897][ T356] ? check_preemption_disabled+0x153/0x320
[ 22.972524][ T356] ? syscall_trace_enter+0x650/0x940
[ 22.977638][ T356] ? do_syscall_64+0x1c0/0x1c0
[ 22.982239][ T356] ? switch_fpu_return+0x1d4/0x410
[ 22.987185][ T356] ? security_file_ioctl+0x7d/0xa0
[ 22.992157][ T356] __x64_sys_ioctl+0xd4/0x110
[ 22.996741][ T356] do_syscall_64+0xca/0x1c0
[ 23.002552][ T356] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 23.008338][ T356] kobject_add_internal failed for queue (error: -2 parent: loop0)
[ 23.016624][ T356] ------------[ cut here ]------------
[ 23.021821][ T356] WARNING: CPU: 1 PID: 356 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470
[ 23.030748][ T356] Modules linked in:
[ 23.034486][ T356] CPU: 1 PID: 356 Comm: syz-executor277 Not tainted 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 23.044638][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 23.054625][ T356] RIP: 0010:sysfs_create_files+0x325/0x470
[ 23.060262][ T356] 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
[ 23.079703][ T356] RSP: 0018:ffff8881dc057940 EFLAGS: 00010293
[ 23.085603][ T356] RAX: ffffffff81bdf778 RBX: ffff8881dc0650a0 RCX: ffff8881dc048fc0
[ 23.093415][ T356] RDX: 0000000000000000 RSI: ffffffff860656a0 RDI: ffff8881dc065070
[ 23.101234][ T356] RBP: ffff8881dc057a10 R08: ffffffff8449e3a0 R09: ffffed103dd90e36
[ 23.109047][ T356] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 23.116857][ T356] R13: ffffffff84f98b00 R14: dffffc0000000000 R15: ffff8881dc065070
[ 23.125224][ T356] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.133986][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.140405][ T356] CR2: 0000561d46077960 CR3: 00000001dc773000 CR4: 00000000003406a0
[ 23.148227][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.156233][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.164010][ T356] Call Trace:
[ 23.167148][ T356] ? __warn+0x162/0x250
[ 23.171131][ T356] ? report_bug+0x3a1/0x4e0
[ 23.175472][ T356] ? sysfs_create_files+0x325/0x470
[ 23.180505][ T356] ? sysfs_create_files+0x325/0x470
[ 23.185541][ T356] ? do_invalid_op+0x6e/0x110
[ 23.190055][ T356] ? invalid_op+0x1e/0x30
[ 23.194401][ T356] ? kobject_get+0xc0/0x110
[ 23.198711][ T356] ? sysfs_create_files+0x458/0x470
[ 23.203744][ T356] ? sysfs_create_files+0x325/0x470
[ 23.208780][ T356] ? sysfs_create_file_ns+0x2a0/0x2a0
[ 23.213986][ T356] ? kobject_get+0xc9/0x110
[ 23.218333][ T356] __device_add_disk+0x949/0x1220
[ 23.223193][ T356] ? device_add_disk+0x30/0x30
[ 23.227784][ T356] ? __alloc_disk_node+0x459/0x5a0
[ 23.232731][ T356] loop_add+0x573/0x740
[ 23.236748][ T356] loop_control_ioctl+0x448/0x620
[ 23.241599][ T356] ? loop_remove+0xa0/0xa0
[ 23.245841][ T356] ? ptrace_stop+0x6ee/0xa30
[ 23.250267][ T356] ? loop_remove+0xa0/0xa0
[ 23.254531][ T356] do_vfs_ioctl+0x742/0x1720
[ 23.258944][ T356] ? ioctl_preallocate+0x250/0x250
[ 23.263988][ T356] ? check_preemption_disabled+0x153/0x320
[ 23.269899][ T356] ? syscall_trace_enter+0x650/0x940
[ 23.275435][ T356] ? do_syscall_64+0x1c0/0x1c0
[ 23.280130][ T356] ? switch_fpu_return+0x1d4/0x410
[ 23.285063][ T356] ? security_file_ioctl+0x7d/0xa0
[ 23.290008][ T356] __x64_sys_ioctl+0xd4/0x110
[ 23.294519][ T356] do_syscall_64+0xca/0x1c0
[ 23.298873][ T356] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 23.304584][ T356] ---[ end trace c7de77ef8c43dad0 ]---
[ 23.309937][ T356] ------------[ cut here ]------------
[ 23.315195][ T356] kernfs: can not remove 'events', no directory
[ 23.321595][ T356] WARNING: CPU: 1 PID: 356 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100
[ 23.331004][ T356] Modules linked in:
[ 23.334747][ T356] CPU: 1 PID: 356 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 23.346110][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 23.356017][ T356] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100
[ 23.362082][ T356] 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
[ 23.381524][ T356] RSP: 0018:ffff8881dc057918 EFLAGS: 00010246
[ 23.387426][ T356] RAX: a0245c991faf6b00 RBX: 0000000000000000 RCX: ffff8881dc048fc0
[ 23.395251][ T356] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 23.403052][ T356] RBP: ffff8881dc057a10 R08: ffffffff814d6752 R09: ffffed103edea9b8
[ 23.410856][ T356] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[ 23.418770][ T356] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f98bc0
[ 23.426757][ T356] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.435542][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.441942][ T356] CR2: 0000561d46077960 CR3: 00000001dc773000 CR4: 00000000003406a0
[ 23.449753][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.457652][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.465461][ T356] Call Trace:
[ 23.468598][ T356] ? __warn+0x162/0x250
[ 23.473019][ T356] ? report_bug+0x3a1/0x4e0
[ 23.477355][ T356] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.482824][ T356] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.488290][ T356] ? do_invalid_op+0x6e/0x110
[ 23.492821][ T356] ? invalid_op+0x1e/0x30
[ 23.496975][ T356] ? wake_up_klogd+0xb2/0xf0
[ 23.501409][ T356] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.507107][ T356] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.512562][ T356] sysfs_create_files+0x3de/0x470
[ 23.517423][ T356] ? sysfs_create_file_ns+0x2a0/0x2a0
[ 23.522658][ T356] ? kobject_get+0xc9/0x110
[ 23.527082][ T356] __device_add_disk+0x949/0x1220
[ 23.531928][ T356] ? device_add_disk+0x30/0x30
[ 23.537552][ T356] ? __alloc_disk_node+0x459/0x5a0
[ 23.542496][ T356] loop_add+0x573/0x740
[ 23.546484][ T356] loop_control_ioctl+0x448/0x620
[ 23.551345][ T356] ? loop_remove+0xa0/0xa0
[ 23.555687][ T356] ? ptrace_stop+0x6ee/0xa30
[ 23.560114][ T356] ? loop_remove+0xa0/0xa0
[ 23.564368][ T356] do_vfs_ioctl+0x742/0x1720
[ 23.568791][ T356] ? ioctl_preallocate+0x250/0x250
[ 23.573741][ T356] ? check_preemption_disabled+0x153/0x320
[ 23.579384][ T356] ? syscall_trace_enter+0x650/0x940
[ 23.584598][ T356] ? do_syscall_64+0x1c0/0x1c0
[ 23.589198][ T356] ? switch_fpu_return+0x1d4/0x410
[ 23.594146][ T356] ? security_file_ioctl+0x7d/0xa0
[ 23.599101][ T356] __x64_sys_ioctl+0xd4/0x110
[ 23.603607][ T356] do_syscall_64+0xca/0x1c0
[ 23.608010][ T356] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[pid 356] ioctl(3, LOOP_CTL_ADD, 0) = 0
[pid 356] exit_group(0) = ?
[pid 356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=7} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555569bf650) = 359
./strace-static-x86_64: Process 359 attached
[pid 359] set_robust_list(0x5555569bf660, 24) = 0
[pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 359] setpgid(0, 0) = 0
[pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 359] write(3, "1000", 4) = 4
[pid 359] close(3) = 0
[pid 359] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY|FASYNC) = 3
[ 23.613673][ T356] ---[ end trace c7de77ef8c43dad1 ]---
[ 23.619285][ T356] loop0: failed to create sysfs files for events
[ 23.631957][ T359] ------------[ cut here ]------------
[ 23.637302][ T359] kernfs: can not remove 'events', no directory
[ 23.643465][ T359] WARNING: CPU: 1 PID: 359 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100
[ 23.653233][ T359] Modules linked in:
[ 23.657081][ T359] CPU: 1 PID: 359 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 23.668442][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 23.678431][ T359] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100
[ 23.685350][ T359] 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
[ 23.704783][ T359] RSP: 0018:ffff8881de09fa38 EFLAGS: 00010246
[ 23.710683][ T359] RAX: 66c31da6a5b78400 RBX: 0000000000000000 RCX: ffff8881dc049f80
[ 23.718493][ T359] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 23.726306][ T359] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: 0000000000000003
[ 23.734117][ T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[ 23.741927][ T359] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98bc0
[ 23.749851][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.758607][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.765028][ T359] CR2: 00007f90f47580d0 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 23.772850][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.780647][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.788457][ T359] Call Trace:
[ 23.791594][ T359] ? __warn+0x162/0x250
[ 23.795578][ T359] ? report_bug+0x3a1/0x4e0
[ 23.799922][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.805388][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.810858][ T359] ? do_invalid_op+0x6e/0x110
[ 23.815368][ T359] ? invalid_op+0x1e/0x30
[ 23.819537][ T359] ? wake_up_klogd+0xb2/0xf0
[ 23.823961][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.829428][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 23.834896][ T359] sysfs_remove_files+0x91/0xe0
[ 23.839586][ T359] del_gendisk+0x26e/0xc30
[ 23.843836][ T359] ? avc_flush+0x1f0/0x1f0
[ 23.848092][ T359] ? device_add_disk_no_queue_reg+0x20/0x20
[ 23.853828][ T359] ? delete_node+0x706/0x780
[ 23.858260][ T359] loop_remove+0x42/0xa0
[ 23.862337][ T359] loop_control_ioctl+0x564/0x620
[ 23.867361][ T359] ? loop_remove+0xa0/0xa0
[ 23.871609][ T359] ? ptrace_stop+0x6ee/0xa30
[ 23.876037][ T359] ? loop_remove+0xa0/0xa0
[ 23.880285][ T359] do_vfs_ioctl+0x742/0x1720
[ 23.884715][ T359] ? ioctl_preallocate+0x250/0x250
[ 23.889661][ T359] ? syscall_trace_enter+0x650/0x940
[ 23.894791][ T359] ? do_syscall_64+0x1c0/0x1c0
[ 23.899377][ T359] ? security_file_ioctl+0x7d/0xa0
[ 23.904328][ T359] __x64_sys_ioctl+0xd4/0x110
[ 23.908847][ T359] do_syscall_64+0xca/0x1c0
[ 23.913193][ T359] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 23.919002][ T359] ---[ end trace c7de77ef8c43dad2 ]---
[ 23.924388][ T359] ------------[ cut here ]------------
[ 23.929590][ T359] kernfs: can not remove 'events_async', no directory
[ 23.936294][ T359] WARNING: CPU: 1 PID: 359 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100
[ 23.945642][ T359] Modules linked in:
[ 23.949374][ T359] CPU: 1 PID: 359 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 23.960740][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 23.970646][ T359] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100
[ 23.976801][ T359] 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
[ 23.996413][ T359] RSP: 0018:ffff8881de09fa38 EFLAGS: 00010246
[ 24.002314][ T359] RAX: 66c31da6a5b78400 RBX: 0000000000000000 RCX: ffff8881dc049f80
[ 24.010141][ T359] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 24.018538][ T359] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: 0000000000000003
[ 24.026456][ T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[ 24.034254][ T359] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98c60
[ 24.042267][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.051119][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.057561][ T359] CR2: 00007f90f47580d0 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 24.065380][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.073694][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.081490][ T359] Call Trace:
[ 24.084628][ T359] ? __warn+0x162/0x250
[ 24.088744][ T359] ? report_bug+0x3a1/0x4e0
[ 24.093042][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.098768][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.104283][ T359] ? do_invalid_op+0x6e/0x110
[ 24.108751][ T359] ? invalid_op+0x1e/0x30
[ 24.112934][ T359] ? wake_up_klogd+0xb2/0xf0
[ 24.117352][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.122821][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.128380][ T359] sysfs_remove_files+0x91/0xe0
[ 24.133216][ T359] del_gendisk+0x26e/0xc30
[ 24.137462][ T359] ? avc_flush+0x1f0/0x1f0
[ 24.141894][ T359] ? device_add_disk_no_queue_reg+0x20/0x20
[ 24.147695][ T359] ? delete_node+0x706/0x780
[ 24.152122][ T359] loop_remove+0x42/0xa0
[ 24.156201][ T359] loop_control_ioctl+0x564/0x620
[ 24.161061][ T359] ? loop_remove+0xa0/0xa0
[ 24.165313][ T359] ? ptrace_stop+0x6ee/0xa30
[ 24.170187][ T359] ? loop_remove+0xa0/0xa0
[ 24.174430][ T359] do_vfs_ioctl+0x742/0x1720
[ 24.178859][ T359] ? ioctl_preallocate+0x250/0x250
[ 24.183801][ T359] ? syscall_trace_enter+0x650/0x940
[ 24.188919][ T359] ? do_syscall_64+0x1c0/0x1c0
[ 24.193520][ T359] ? security_file_ioctl+0x7d/0xa0
[ 24.198555][ T359] __x64_sys_ioctl+0xd4/0x110
[ 24.203071][ T359] do_syscall_64+0xca/0x1c0
[ 24.207418][ T359] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 24.213657][ T359] ---[ end trace c7de77ef8c43dad3 ]---
[ 24.219069][ T359] ------------[ cut here ]------------
[ 24.224271][ T359] kernfs: can not remove 'events_poll_msecs', no directory
[ 24.231380][ T359] WARNING: CPU: 1 PID: 359 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100
[ 24.240817][ T359] Modules linked in:
[ 24.244649][ T359] CPU: 1 PID: 359 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 24.256014][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 24.265932][ T359] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100
[ 24.271981][ T359] 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
[ 24.291418][ T359] RSP: 0018:ffff8881de09fa38 EFLAGS: 00010246
[ 24.297378][ T359] RAX: 66c31da6a5b78400 RBX: 0000000000000000 RCX: ffff8881dc049f80
[ 24.305130][ T359] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 24.313231][ T359] RBP: ffffffff860656a0 R08: ffffffff814d6752 R09: 0000000000000003
[ 24.321021][ T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[ 24.329267][ T359] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f98c80
[ 24.337188][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.345952][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.352388][ T359] CR2: 00007f90f47580d0 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 24.360283][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.368086][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.375894][ T359] Call Trace:
[ 24.379032][ T359] ? __warn+0x162/0x250
[ 24.383017][ T359] ? report_bug+0x3a1/0x4e0
[ 24.387358][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.392827][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.398296][ T359] ? do_invalid_op+0x6e/0x110
[ 24.402806][ T359] ? invalid_op+0x1e/0x30
[ 24.406975][ T359] ? wake_up_klogd+0xb2/0xf0
[ 24.411406][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.417907][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.423469][ T359] sysfs_remove_files+0x91/0xe0
[ 24.428154][ T359] del_gendisk+0x26e/0xc30
[ 24.432403][ T359] ? avc_flush+0x1f0/0x1f0
[ 24.436656][ T359] ? device_add_disk_no_queue_reg+0x20/0x20
[ 24.442505][ T359] ? delete_node+0x706/0x780
[ 24.446937][ T359] loop_remove+0x42/0xa0
[ 24.451014][ T359] loop_control_ioctl+0x564/0x620
[ 24.455878][ T359] ? loop_remove+0xa0/0xa0
[ 24.460650][ T359] ? ptrace_stop+0x6ee/0xa30
[ 24.465071][ T359] ? loop_remove+0xa0/0xa0
[ 24.469323][ T359] do_vfs_ioctl+0x742/0x1720
[ 24.473752][ T359] ? ioctl_preallocate+0x250/0x250
[ 24.478698][ T359] ? syscall_trace_enter+0x650/0x940
[ 24.483817][ T359] ? do_syscall_64+0x1c0/0x1c0
[ 24.488418][ T359] ? security_file_ioctl+0x7d/0xa0
[ 24.493370][ T359] __x64_sys_ioctl+0xd4/0x110
[ 24.497881][ T359] do_syscall_64+0xca/0x1c0
[ 24.502222][ T359] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 24.507952][ T359] ---[ end trace c7de77ef8c43dad4 ]---
[ 24.513404][ T359] ------------[ cut here ]------------
[ 24.518661][ T359] kernfs: can not remove 'bdi', no directory
[ 24.524563][ T359] WARNING: CPU: 1 PID: 359 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100
[ 24.533937][ T359] Modules linked in:
[ 24.537671][ T359] CPU: 1 PID: 359 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 24.549036][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 24.558940][ T359] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100
[ 24.565010][ T359] 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
[ 24.584454][ T359] RSP: 0018:ffff8881de09fa78 EFLAGS: 00010246
[ 24.590349][ T359] RAX: 66c31da6a5b78400 RBX: 0000000000000000 RCX: ffff8881dc049f80
[ 24.598165][ T359] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 24.605979][ T359] RBP: ffff8881de09fb88 R08: ffffffff814d6752 R09: 0000000000000003
[ 24.613785][ T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881dc065000
[ 24.621594][ T359] R13: ffff8881dc0654e8 R14: 0000000000000000 R15: ffffffff84f98720
[ 24.629476][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.638563][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.644965][ T359] CR2: 00007f90f47580d0 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 24.652777][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.660581][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.668399][ T359] Call Trace:
[ 24.671533][ T359] ? __warn+0x162/0x250
[ 24.675517][ T359] ? report_bug+0x3a1/0x4e0
[ 24.679865][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.685334][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.690797][ T359] ? do_invalid_op+0x6e/0x110
[ 24.695316][ T359] ? invalid_op+0x1e/0x30
[ 24.699619][ T359] ? wake_up_klogd+0xb2/0xf0
[ 24.704012][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.709484][ T359] ? kernfs_remove_by_name_ns+0xb1/0x100
[ 24.715116][ T359] del_gendisk+0x5a1/0xc30
[ 24.719492][ T359] ? device_add_disk_no_queue_reg+0x20/0x20
[ 24.725227][ T359] ? delete_node+0x706/0x780
[ 24.729635][ T359] loop_remove+0x42/0xa0
[ 24.733767][ T359] loop_control_ioctl+0x564/0x620
[ 24.738577][ T359] ? loop_remove+0xa0/0xa0
[ 24.742828][ T359] ? ptrace_stop+0x6ee/0xa30
[ 24.747252][ T359] ? loop_remove+0xa0/0xa0
[ 24.751505][ T359] do_vfs_ioctl+0x742/0x1720
[ 24.755939][ T359] ? ioctl_preallocate+0x250/0x250
[ 24.760876][ T359] ? syscall_trace_enter+0x650/0x940
[ 24.765995][ T359] ? do_syscall_64+0x1c0/0x1c0
[ 24.770595][ T359] ? security_file_ioctl+0x7d/0xa0
[ 24.775541][ T359] __x64_sys_ioctl+0xd4/0x110
[ 24.780058][ T359] do_syscall_64+0xca/0x1c0
[ 24.784395][ T359] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 24.790216][ T359] ---[ end trace c7de77ef8c43dad5 ]---
[ 24.797073][ T359] kasan: CONFIG_KASAN_INLINE enabled
[ 24.802198][ T359] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 24.810069][ T359] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 24.816841][ T359] CPU: 1 PID: 359 Comm: syz-executor277 Tainted: G W 5.4.254-syzkaller-00011-g2ac128c04e33 #0
[ 24.828210][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 24.838108][ T359] RIP: 0010:device_del+0xe7/0xfa0
[ 24.842973][ T359] Code: df e8 6d e7 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01
[ 24.862487][ T359] RSP: 0018:ffff8881de09f9c0 EFLAGS: 00010202
[ 24.868391][ T359] RAX: dffffc0000000000 RBX: ffff8881dc0650d8 RCX: 1ffff1103b80ca1b
[ 24.876301][ T359] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de09f940
[ 24.884114][ T359] RBP: ffff8881de09fa90 R08: dffffc0000000000 R09: ffffed103bc13f29
[ 24.891922][ T359] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019
[ 24.899738][ T359] R13: ffff8881dc065070 R14: ffff8881dc065110 R15: 00000000000000c8
[ 24.907566][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.916316][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.922759][ T359] CR2: 0000561d46168d60 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 24.930549][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.938356][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.946165][ T359] Call Trace:
[ 24.949303][ T359] ? __die+0xb4/0x100
[ 24.953112][ T359] ? die+0x26/0x50
[ 24.956673][ T359] ? do_general_protection+0x266/0x3c0
[ 24.961967][ T359] ? do_trap+0x340/0x340
[ 24.966048][ T359] ? general_protection+0x28/0x30
[ 24.970917][ T359] ? device_del+0xe7/0xfa0
[ 24.975159][ T359] ? mutex_trylock+0xa0/0xa0
[ 24.979586][ T359] ? kill_device+0xc0/0xc0
[ 24.983840][ T359] ? _raw_spin_unlock_irq+0x4a/0x60
[ 24.988882][ T359] ? pm_runtime_set_memalloc_noio+0x1ec/0x250
[ 24.994774][ T359] del_gendisk+0x9d9/0xc30
[ 24.999027][ T359] ? device_add_disk_no_queue_reg+0x20/0x20
[ 25.004763][ T359] ? delete_node+0x706/0x780
[ 25.009183][ T359] loop_remove+0x42/0xa0
[ 25.013259][ T359] loop_control_ioctl+0x564/0x620
[ 25.018118][ T359] ? loop_remove+0xa0/0xa0
[ 25.022373][ T359] ? ptrace_stop+0x6ee/0xa30
[ 25.026798][ T359] ? loop_remove+0xa0/0xa0
[ 25.031067][ T359] do_vfs_ioctl+0x742/0x1720
[ 25.035481][ T359] ? ioctl_preallocate+0x250/0x250
[ 25.040428][ T359] ? syscall_trace_enter+0x650/0x940
[ 25.045563][ T359] ? do_syscall_64+0x1c0/0x1c0
[ 25.050146][ T359] ? security_file_ioctl+0x7d/0xa0
[ 25.055093][ T359] __x64_sys_ioctl+0xd4/0x110
[ 25.059608][ T359] do_syscall_64+0xca/0x1c0
[ 25.063946][ T359] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 25.069669][ T359] Modules linked in:
[ 25.073480][ T359] ---[ end trace c7de77ef8c43dad6 ]---
[ 25.078796][ T359] RIP: 0010:device_del+0xe7/0xfa0
[ 25.083696][ T359] Code: df e8 6d e7 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01
[ 25.103212][ T359] RSP: 0018:ffff8881de09f9c0 EFLAGS: 00010202
[ 25.109002][ T359] RAX: dffffc0000000000 RBX: ffff8881dc0650d8 RCX: 1ffff1103b80ca1b
[ 25.116827][ T359] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881de09f940
[ 25.124643][ T359] RBP: ffff8881de09fa90 R08: dffffc0000000000 R09: ffffed103bc13f29
[ 25.132789][ T359] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019
[ 25.140583][ T359] R13: ffff8881dc065070 R14: ffff8881dc065110 R15: 00000000000000c8
[ 25.148476][ T359] FS: 00005555569bf380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 25.157194][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 25.163612][ T359] CR2: 0000561d46168d60 CR3: 00000001dc0e8000 CR4: 00000000003406a0
[ 25.171413][ T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 25.179209][ T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 25.187045][ T359] Kernel panic - not syncing: Fatal exception
[ 25.193099][ T359] Kernel Offset: disabled
[ 25.197223][ T359] Rebooting in 86400 seconds..