[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts.
executing program
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syzkaller login: [  436.720335] JFS: discard option not supported on device
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[  436.805445] JFS: discard option not supported on device
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[  438.714603] JFS: discard option not supported on device
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[  438.821001] JFS: discard option not supported on device
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[  438.945928] JFS: discard option not supported on device
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[  439.103781] JFS: discard option not supported on device
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[  439.172362] JFS: discard option not supported on device
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[  439.231703] JFS: discard option not supported on device
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[  439.292338] JFS: discard option not supported on device
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[  439.430437] JFS: discard option not supported on device
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[  439.550583] JFS: discard option not supported on device
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[  439.687288] JFS: discard option not supported on device
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[  439.752238] JFS: discard option not supported on device
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[  439.808281] JFS: discard option not supported on device
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[  439.930909] JFS: discard option not supported on device
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[  439.998973] JFS: discard option not supported on device
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[  440.084158] JFS: discard option not supported on device
[  440.120543] JFS: discard option not supported on device
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[  440.159008] JFS: discard option not supported on device
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[  440.233662] JFS: discard option not supported on device
[  440.280460] JFS: discard option not supported on device
[  440.300440] kasan: CONFIG_KASAN_INLINE enabled
[  440.305212] kasan: GPF could be caused by NULL-ptr deref or user memory access
[  440.313961] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[  440.320198] Modules linked in:
[  440.323385] CPU: 0 PID: 7999 Comm: syz-executor181 Not tainted 4.14.295-syzkaller #0
[  440.331242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[  440.340571] task: ffff8880b2cf4440 task.stack: ffff88808c8f8000
[  440.346607] RIP: 0010:lbmStartIO+0x14a/0x490
[  440.350984] RSP: 0018:ffff88808c8ffaf8 EFLAGS: 00010202
[  440.356319] RAX: dffffc0000000000 RBX: ffff8880aa280400 RCX: 0000000000000003
[  440.363646] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0
[  440.370897] RBP: ffff8880a4313800 R08: 0000000000000001 R09: ffff8880a4313800
[  440.378143] R10: ffff8880a4313887 R11: 0000000000000000 R12: ffff8880b4eb6480
[  440.385391] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  440.392731] FS:  0000555555e62300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[  440.400933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  440.406787] CR2: 00007f2e0144c000 CR3: 000000009eba4000 CR4: 00000000003406f0
[  440.414033] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  440.421274] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  440.428522] Call Trace:
[  440.431098]  lbmWrite+0x254/0x380
[  440.434530]  lmNextPage.isra.0+0x263/0x700
[  440.438754]  lmWriteRecord+0x8b2/0xe30
[  440.442621]  ? mark_held_locks+0xa6/0xf0
[  440.446661]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[  440.451744]  lmLogSync+0x126/0x660
[  440.455262]  ? lmWriteRecord+0xe30/0xe30
[  440.459299]  ? dqput+0x30/0x30
[  440.462469]  jfs_syncpt+0x66/0x70
[  440.465898]  jfs_sync_fs+0x80/0xa0
[  440.469439]  ? jfs_statfs+0x510/0x510
[  440.473212]  sync_filesystem+0xe2/0x230
[  440.477163]  generic_shutdown_super+0x70/0x370
[  440.481719]  kill_block_super+0x95/0xe0
[  440.485668]  deactivate_locked_super+0x6c/0xd0
[  440.490220]  deactivate_super+0x7f/0xa0
[  440.494167]  cleanup_mnt+0x186/0x2c0
[  440.497853]  task_work_run+0x11f/0x190
[  440.501733]  exit_to_usermode_loop+0x1ad/0x200
[  440.506289]  do_syscall_64+0x4a3/0x640
[  440.510155]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[  440.515329] RIP: 0033:0x7fca1d489847
[  440.519016] RSP: 002b:00007ffea7eafda8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  440.526695] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fca1d489847
[  440.533940] RDX: 00007ffea7eafe6a RSI: 000000000000000a RDI: 00007ffea7eafe60
[  440.541192] RBP: 00007ffea7eafe60 R08: 00000000ffffffff R09: 00007ffea7eafc40
[  440.548460] R10: 0000555555e63683 R11: 0000000000000202 R12: 00007ffea7eb0ed0
[  440.555706] R13: 0000555555e635f0 R14: 00007ffea7eafdd0 R15: 000000000000003b
[  440.562952] Code: 48 c1 ea 03 80 3c 02 00 0f 85 06 03 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6c 24 20 49 8d bd e0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d5 02 00 00 4d 8b ad e0 00 00 00 4d 39 ee 74 
[  440.582012] RIP: lbmStartIO+0x14a/0x490 RSP: ffff88808c8ffaf8
[  440.588256] ---[ end trace 1b64f7aaac05f463 ]---
[  440.593369] Kernel panic - not syncing: Fatal exception
[  440.598884] Kernel Offset: disabled
[  440.602494] Rebooting in 86400 seconds..