./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1189903683

<...>
forked to background, child pid 3184
no interfaces have a carrier
[   23.193397][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0
[   23.203155][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts.
execve("./syz-executor1189903683", ["./syz-executor1189903683"], 0x7ffce1c292c0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557099000
brk(0x555557099c40)                     = 0x555557099c40
arch_prctl(ARCH_SET_FS, 0x555557099300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1189903683", 4096) = 28
brk(0x5555570bac40)                     = 0x5555570bac40
brk(0x5555570bb000)                     = 0x5555570bb000
mprotect(0x7f95d8a17000, 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
memfd_create("syzkaller", 0)            = 3
ftruncate(3, 131072)                    = 0
pwrite64(3, "\x01\x16\x19\x70\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x64\x00\x00\x00\x00\x00\x00\x07\x09\x00\x00\x07\x6c\x00\x00\x00\x00\x00\x00\x10", 39, 65536) = 39
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 4
ioctl(4, LOOP_SET_FD, 3)                = 0
mkdir("./file0", 0777)                  = 0
syzkaller login: [   42.400814][ T3613] loop0: detected capacity change from 0 to 256
[   42.413581][ T3613] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0"
[   42.421510][ T3613] gfs2: fsid=loop0: Now mounting FS (format 1801)...
[   42.429598][ T3613] ================================================================================
[   42.438925][ T3613] UBSAN: shift-out-of-bounds in fs/gfs2/ops_fstype.c:295:19
[   42.446293][ T3613] shift exponent 4294967287 is too large for 64-bit type 'long unsigned int'
[   42.455134][ T3613] CPU: 1 PID: 3613 Comm: syz-executor118 Not tainted 6.0.0-rc6-syzkaller-00286-ga63f2e7cb110 #0
[   42.465532][ T3613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   42.475590][ T3613] Call Trace:
[   42.478854][ T3613]  <TASK>
[   42.481773][ T3613]  dump_stack_lvl+0xcd/0x134
[   42.486386][ T3613]  ubsan_epilogue+0xb/0x50
[   42.490790][ T3613]  __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187
[   42.497913][ T3613]  ? gfs2_read_super+0x56d/0x17a0
[   42.502934][ T3613]  init_sb.cold+0x19/0x109
[   42.507345][ T3613]  ? gfs2_read_super+0x17a0/0x17a0
[   42.512452][ T3613]  ? init_sb+0xb9/0x1080
[   42.516689][ T3613]  ? __debugfs_create_file+0x392/0x540
[   42.522314][ T3613]  gfs2_fill_super+0x1836/0x27f0
[   42.527266][ T3613]  ? gfs2_reconfigure+0x1060/0x1060
[   42.532461][ T3613]  ? gfs2_fill_super+0x1744/0x27f0
[   42.537558][ T3613]  ? snprintf+0xbb/0xf0
[   42.541698][ T3613]  ? vsprintf+0x30/0x30
[   42.545836][ T3613]  ? wait_for_completion_io_timeout+0x20/0x20
[   42.551898][ T3613]  ? set_blocksize+0x2e5/0x370
[   42.556651][ T3613]  get_tree_bdev+0x440/0x760
[   42.561227][ T3613]  ? gfs2_reconfigure+0x1060/0x1060
[   42.566416][ T3613]  gfs2_get_tree+0x4a/0x270
[   42.570916][ T3613]  vfs_get_tree+0x89/0x2f0
[   42.575493][ T3613]  path_mount+0x1326/0x1e20
[   42.580074][ T3613]  ? kmem_cache_free+0xeb/0x5b0
[   42.584908][ T3613]  ? finish_automount+0x960/0x960
[   42.589920][ T3613]  ? putname+0xfe/0x140
[   42.594067][ T3613]  __x64_sys_mount+0x27f/0x300
[   42.598818][ T3613]  ? copy_mnt_ns+0xae0/0xae0
[   42.603410][ T3613]  ? lockdep_hardirqs_on+0x79/0x100
[   42.608679][ T3613]  ? _raw_spin_unlock_irq+0x2a/0x40
[   42.613864][ T3613]  ? ptrace_notify+0xfa/0x140
[   42.618529][ T3613]  do_syscall_64+0x35/0xb0
[   42.622934][ T3613]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   42.628815][ T3613] RIP: 0033:0x7f95d89ac14a
[   42.633215][ T3613] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   42.653001][ T3613] RSP: 002b:00007fffa4b20238 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   42.661493][ T3613] RAX: ffffffffffffffda RBX: 00007fffa4b20290 RCX: 00007f95d89ac14a
[   42.669475][ T3613] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fffa4b20250
[   42.677431][ T3613] RBP: 00007fffa4b20250 R08: 00007fffa4b20290 R09: 0000000000000000
[   42.685395][ T3613] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000218
[   42.693362][ T3613] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000001
[   42.701329][ T3613]  </TASK>
[   42.704627][ T3613] ================================================================================
[   42.713970][ T3613] Kernel panic - not syncing: panic_on_warn set ...
[   42.720556][ T3613] CPU: 1 PID: 3613 Comm: syz-executor118 Not tainted 6.0.0-rc6-syzkaller-00286-ga63f2e7cb110 #0
[   42.730967][ T3613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   42.741027][ T3613] Call Trace:
[   42.744305][ T3613]  <TASK>
[   42.747231][ T3613]  dump_stack_lvl+0xcd/0x134
[   42.751829][ T3613]  panic+0x2c8/0x627
[   42.755726][ T3613]  ? panic_print_sys_info.part.0+0x10b/0x10b
[   42.761728][ T3613]  ? ubsan_epilogue+0x3e/0x50
[   42.766424][ T3613]  ubsan_epilogue+0x4a/0x50
[   42.770924][ T3613]  __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187
[   42.777697][ T3613]  ? gfs2_read_super+0x56d/0x17a0
[   42.782757][ T3613]  init_sb.cold+0x19/0x109
[   42.787195][ T3613]  ? gfs2_read_super+0x17a0/0x17a0
[   42.792405][ T3613]  ? init_sb+0xb9/0x1080
[   42.796749][ T3613]  ? __debugfs_create_file+0x392/0x540
[   42.802223][ T3613]  gfs2_fill_super+0x1836/0x27f0
[   42.807172][ T3613]  ? gfs2_reconfigure+0x1060/0x1060
[   42.812427][ T3613]  ? gfs2_fill_super+0x1744/0x27f0
[   42.817548][ T3613]  ? snprintf+0xbb/0xf0
[   42.821731][ T3613]  ? vsprintf+0x30/0x30
[   42.825912][ T3613]  ? wait_for_completion_io_timeout+0x20/0x20
[   42.831984][ T3613]  ? set_blocksize+0x2e5/0x370
[   42.836770][ T3613]  get_tree_bdev+0x440/0x760
[   42.841375][ T3613]  ? gfs2_reconfigure+0x1060/0x1060
[   42.846577][ T3613]  gfs2_get_tree+0x4a/0x270
[   42.851081][ T3613]  vfs_get_tree+0x89/0x2f0
[   42.855495][ T3613]  path_mount+0x1326/0x1e20
[   42.859998][ T3613]  ? kmem_cache_free+0xeb/0x5b0
[   42.864845][ T3613]  ? finish_automount+0x960/0x960
[   42.870005][ T3613]  ? putname+0xfe/0x140
[   42.874634][ T3613]  __x64_sys_mount+0x27f/0x300
[   42.879401][ T3613]  ? copy_mnt_ns+0xae0/0xae0
[   42.883995][ T3613]  ? lockdep_hardirqs_on+0x79/0x100
[   42.889197][ T3613]  ? _raw_spin_unlock_irq+0x2a/0x40
[   42.894391][ T3613]  ? ptrace_notify+0xfa/0x140
[   42.899071][ T3613]  do_syscall_64+0x35/0xb0
[   42.903491][ T3613]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   42.909390][ T3613] RIP: 0033:0x7f95d89ac14a
[   42.913810][ T3613] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   42.933423][ T3613] RSP: 002b:00007fffa4b20238 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   42.941836][ T3613] RAX: ffffffffffffffda RBX: 00007fffa4b20290 RCX: 00007f95d89ac14a
[   42.949804][ T3613] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fffa4b20250
[   42.957774][ T3613] RBP: 00007fffa4b20250 R08: 00007fffa4b20290 R09: 0000000000000000
[   42.965741][ T3613] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000218
[   42.973713][ T3613] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000001
[   42.981702][ T3613]  </TASK>
[   42.985536][ T3613] Kernel Offset: disabled
[   42.989918][ T3613] Rebooting in 86400 seconds..