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

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.183' (ECDSA) to the list of known hosts.
executing program
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syzkaller login: [  529.821454] JFS: discard option not supported on device
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[  529.893672] JFS: discard option not supported on device
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[  529.959681] JFS: discard option not supported on device
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[  530.008424] JFS: discard option not supported on device
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[  530.221511] JFS: discard option not supported on device
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[  530.901938] JFS: discard option not supported on device
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[  530.962451] JFS: discard option not supported on device
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[  531.007680] JFS: discard option not supported on device
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[  531.140797] JFS: discard option not supported on device
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[  531.201212] JFS: discard option not supported on device
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[  531.267658] JFS: discard option not supported on device
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[  531.318272] JFS: discard option not supported on device
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[  531.460133] JFS: discard option not supported on device
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[  531.608966] JFS: discard option not supported on device
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[  531.651726] JFS: discard option not supported on device
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[  531.701144] JFS: discard option not supported on device
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[  531.764524] JFS: discard option not supported on device
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[  531.832768] JFS: discard option not supported on device
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[  531.890959] JFS: discard option not supported on device
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[  531.947357] JFS: discard option not supported on device
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[  532.091580] JFS: discard option not supported on device
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[  532.150824] JFS: discard option not supported on device
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[  532.219672] JFS: discard option not supported on device
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[  532.277652] JFS: discard option not supported on device
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[  532.337376] JFS: discard option not supported on device
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[  532.401598] JFS: discard option not supported on device
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[  532.459231] JFS: discard option not supported on device
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[  532.600906] JFS: discard option not supported on device
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[  532.667376] JFS: discard option not supported on device
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[  532.727342] JFS: discard option not supported on device
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[  532.801196] JFS: discard option not supported on device
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[  532.857715] JFS: discard option not supported on device
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[  532.989517] JFS: discard option not supported on device
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[  533.038947] JFS: discard option not supported on device
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[  533.088149] JFS: discard option not supported on device
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[  533.148375] JFS: discard option not supported on device
[  533.207725] JFS: discard option not supported on device
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[  533.280771] JFS: discard option not supported on device
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[  533.360497] JFS: discard option not supported on device
[  533.370032] kasan: CONFIG_KASAN_INLINE enabled
[  533.374745] kasan: GPF could be caused by NULL-ptr deref or user memory access
[  533.385258] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[  533.391495] Modules linked in:
[  533.394688] CPU: 0 PID: 7967 Comm: syz-executor293 Not tainted 4.14.295-syzkaller #0
[  533.402556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[  533.411899] task: ffff8880a5430680 task.stack: ffff88809c680000
[  533.417935] RIP: 0010:lbmStartIO+0x14a/0x490
[  533.422314] RSP: 0018:ffff88809c687af8 EFLAGS: 00010202
[  533.427659] RAX: dffffc0000000000 RBX: ffff8880aa5d6600 RCX: 0000000000000003
[  533.434904] RDX: 000000000000001c RSI: 0000000000000000 RDI: 00000000000000e0
[  533.442151] RBP: ffff8880a8f9fdc0 R08: 0000000000000001 R09: ffff8880a8f9fdc0
[  533.449395] R10: ffff8880a8f9fe47 R11: 0000000000000000 R12: ffff88809b130000
[  533.456661] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  533.463909] FS:  000055555659b300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[  533.472113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  533.477969] CR2: 00007f2b4b3c2000 CR3: 00000000b5776000 CR4: 00000000003406f0
[  533.485216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  533.492461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  533.500484] Call Trace:
[  533.503049]  lbmWrite+0x254/0x380
[  533.506475]  lmNextPage.isra.0+0x263/0x700
[  533.510682]  lmWriteRecord+0x8b2/0xe30
[  533.514544]  ? mark_held_locks+0xa6/0xf0
[  533.518595]  ? _raw_spin_unlock_irqrestore+0x79/0xe0
[  533.523795]  lmLogSync+0x126/0x660
[  533.527312]  ? lmWriteRecord+0xe30/0xe30
[  533.531349]  ? dqput+0x30/0x30
[  533.534515]  jfs_syncpt+0x66/0x70
[  533.537942]  jfs_sync_fs+0x80/0xa0
[  533.541452]  ? jfs_statfs+0x510/0x510
[  533.545230]  sync_filesystem+0xe2/0x230
[  533.549180]  generic_shutdown_super+0x70/0x370
[  533.553737]  kill_block_super+0x95/0xe0
[  533.557686]  deactivate_locked_super+0x6c/0xd0
[  533.562239]  deactivate_super+0x7f/0xa0
[  533.566188]  cleanup_mnt+0x186/0x2c0
[  533.569876]  task_work_run+0x11f/0x190
[  533.573737]  exit_to_usermode_loop+0x1ad/0x200
[  533.578292]  do_syscall_64+0x4a3/0x640
[  533.582153]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[  533.587315] RIP: 0033:0x7fd71c218847
[  533.591000] RSP: 002b:00007fffeb69f9b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[  533.598679] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd71c218847
[  533.605919] RDX: 00007fffeb69fa7a RSI: 000000000000000a RDI: 00007fffeb69fa70
[  533.613161] RBP: 00007fffeb69fa70 R08: 00000000ffffffff R09: 00007fffeb69f850
[  533.620404] R10: 000055555659c683 R11: 0000000000000206 R12: 00007fffeb6a0ae0
[  533.627645] R13: 000055555659c5f0 R14: 00007fffeb69f9e0 R15: 000000000000003c
[  533.634887] 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 
[  533.654051] RIP: lbmStartIO+0x14a/0x490 RSP: ffff88809c687af8
[  533.665980] ---[ end trace 98756fba9e538bab ]---
[  533.670739] Kernel panic - not syncing: Fatal exception
[  533.676257] Kernel Offset: disabled
[  533.679862] Rebooting in 86400 seconds..