[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.115' (ECDSA) to the list of known hosts.
executing program
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syzkaller login: [ 693.502133] JFS: discard option not supported on device
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[ 693.593571] JFS: discard option not supported on device
[ 693.659767] JFS: discard option not supported on device
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[ 693.743359] JFS: discard option not supported on device
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[ 694.100779] JFS: discard option not supported on device
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[ 694.150537] JFS: discard option not supported on device
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[ 694.200791] JFS: discard option not supported on device
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[ 694.324665] JFS: discard option not supported on device
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[ 694.400754] JFS: discard option not supported on device
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[ 694.635904] JFS: discard option not supported on device
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[ 694.828344] JFS: discard option not supported on device
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[ 694.993967] JFS: discard option not supported on device
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[ 695.109952] JFS: discard option not supported on device
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[ 695.178190] JFS: discard option not supported on device
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[ 695.293994] JFS: discard option not supported on device
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[ 695.369713] JFS: discard option not supported on device
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[ 695.523980] JFS: discard option not supported on device
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[ 695.607177] JFS: discard option not supported on device
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[ 695.652108] JFS: discard option not supported on device
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[ 695.794683] JFS: discard option not supported on device
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[ 695.856956] JFS: discard option not supported on device
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[ 695.993229] JFS: discard option not supported on device
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[ 696.060734] JFS: discard option not supported on device
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[ 696.111773] JFS: discard option not supported on device
[ 696.151504] JFS: discard option not supported on device
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[ 696.219725] JFS: discard option not supported on device
[ 696.261667] JFS: discard option not supported on device
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[ 696.333631] JFS: discard option not supported on device
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[ 696.380081] JFS: discard option not supported on device
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[ 696.429887] JFS: discard option not supported on device
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[ 696.496011] JFS: discard option not supported on device
[ 696.549820] JFS: discard option not supported on device
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[ 696.633922] JFS: discard option not supported on device
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[ 696.681498] JFS: discard option not supported on device
[ 696.741157] JFS: discard option not supported on device
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[ 696.828477] JFS: discard option not supported on device
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[ 696.912144] JFS: discard option not supported on device
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[ 696.960508] JFS: discard option not supported on device
[ 697.031772] JFS: discard option not supported on device
[ 697.050759] kasan: CONFIG_KASAN_INLINE enabled
[ 697.055612] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 697.069483] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 697.075733] Modules linked in:
[ 697.078907] CPU: 1 PID: 7977 Comm: syz-executor935 Not tainted 4.14.295-syzkaller #0
[ 697.086760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 697.096090] task: ffff8880958bc340 task.stack: ffff8880959f0000
[ 697.102128] RIP: 0010:lbmStartIO+0x14a/0x490
[ 697.106524] RSP: 0018:ffff8880959f7af8 EFLAGS: 00010202
[ 697.111864] RAX: dffffc0000000000 RBX: ffff8880aa2e6200 RCX: 0000000000000003
[ 697.119194] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0
[ 697.126439] RBP: ffff88809ad6d000 R08: 0000000000000001 R09: ffff88809ad6d000
[ 697.133752] R10: ffff88809ad6d087 R11: 0000000000000000 R12: ffff8880b37d9b40
[ 697.140995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 697.148239] FS: 00005555567ec300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[ 697.156437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 697.162292] CR2: 00007ffcf3660fc8 CR3: 00000000a51da000 CR4: 00000000003406e0
[ 697.169569] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 697.176815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 697.184059] Call Trace:
[ 697.186631] lbmWrite+0x254/0x380
[ 697.190062] lmNextPage.isra.0+0x263/0x700
[ 697.194273] lmWriteRecord+0x8b2/0xe30
[ 697.198266] ? mark_held_locks+0xa6/0xf0
[ 697.202301] ? _raw_spin_unlock_irqrestore+0x79/0xe0
[ 697.207380] lmLogSync+0x126/0x660
[ 697.210893] ? lmWriteRecord+0xe30/0xe30
[ 697.214928] ? dqput+0x30/0x30
[ 697.218095] jfs_syncpt+0x66/0x70
[ 697.221524] jfs_sync_fs+0x80/0xa0
[ 697.225038] ? jfs_statfs+0x510/0x510
[ 697.228813] sync_filesystem+0xe2/0x230
[ 697.232765] generic_shutdown_super+0x70/0x370
[ 697.237331] kill_block_super+0x95/0xe0
[ 697.241280] deactivate_locked_super+0x6c/0xd0
[ 697.245836] deactivate_super+0x7f/0xa0
[ 697.249785] cleanup_mnt+0x186/0x2c0
[ 697.253474] task_work_run+0x11f/0x190
[ 697.257334] exit_to_usermode_loop+0x1ad/0x200
[ 697.261889] do_syscall_64+0x4a3/0x640
[ 697.265751] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 697.270918] RIP: 0033:0x7fb542d0a847
[ 697.274603] RSP: 002b:00007ffcf3661798 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 697.283420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb542d0a847
[ 697.290667] RDX: 00007ffcf366185a RSI: 000000000000000a RDI: 00007ffcf3661850
[ 697.297911] RBP: 00007ffcf3661850 R08: 00000000ffffffff R09: 00007ffcf3661630
[ 697.305156] R10: 00005555567ed683 R11: 0000000000000202 R12: 00007ffcf36628c0
[ 697.312406] R13: 00005555567ed5f0 R14: 00007ffcf36617c0 R15: 000000000000003c
[ 697.319655] 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
[ 697.338718] RIP: lbmStartIO+0x14a/0x490 RSP: ffff8880959f7af8
[ 697.346041] ---[ end trace 2715cae777225a34 ]---
[ 697.350865] Kernel panic - not syncing: Fatal exception
[ 697.356488] Kernel Offset: disabled
[ 697.360099] Rebooting in 86400 seconds..