[  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 '10.128.0.57' (ECDSA) to the list of known hosts.
syzkaller login: [  376.970371] IPVS: ftp: loaded support on port[0] = 21
executing program
[  377.079950] kasan: CONFIG_KASAN_INLINE enabled
[  377.084737] kasan: GPF could be caused by NULL-ptr deref or user memory access
[  377.093118] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[  377.099369] CPU: 0 PID: 1985 Comm: jfsCommit Not tainted 4.19.211-syzkaller #0
[  377.106710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[  377.116059] RIP: 0010:dbUpdatePMap+0x4b0/0x1070
[  377.120710] Code: d7 ec fe 84 db 0f 85 96 08 00 00 e8 ca d5 ec fe 48 8b 44 24 10 48 b9 00 00 00 00 00 fc ff df 48 8d 78 30 48 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 b9 09 00 00 48 8b 44 24 10 44 8b 6c 24 28 48 8b
[  377.139592] RSP: 0018:ffff8880b0a9fc70 EFLAGS: 00010206
[  377.144934] RAX: 0000000000000006 RBX: 0000000000000000 RCX: dffffc0000000000
[  377.152185] RDX: 0000000000000000 RSI: ffffffff8275afa6 RDI: 0000000000000030
[  377.159433] RBP: ffff88808d3844d0 R08: ffffc90001401100 R09: 0000000000000000
[  377.166678] R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000ecc
[  377.173926] R13: 0000000000000020 R14: ffffc90001401100 R15: 0000000000000000
[  377.181176] FS:  0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
[  377.189379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  377.195240] CR2: 0000561ead463800 CR3: 00000000a0ef1000 CR4: 00000000003406f0
[  377.202491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  377.209739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  377.216984] Call Trace:
[  377.219558]  txUpdateMap+0xd0c/0x1000
[  377.223338]  ? lock_acquire+0x170/0x3c0
[  377.227294]  ? jfs_lazycommit+0xb1/0x9d0
[  377.231334]  jfs_lazycommit+0x525/0x9d0
[  377.235288]  ? txCommit+0x39e0/0x39e0
[  377.239103]  ? lock_acquire+0x170/0x3c0
[  377.243064]  ? __kthread_parkme+0x5d/0x1e0
[  377.247281]  ? wake_up_q+0xe0/0xe0
[  377.250810]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[  377.255375]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[  377.260458]  ? __kthread_parkme+0x133/0x1e0
[  377.264760]  ? txCommit+0x39e0/0x39e0
[  377.268542]  kthread+0x33f/0x460
[  377.271906]  ? kthread_park+0x180/0x180
[  377.275882]  ret_from_fork+0x24/0x30
[  377.279580] Modules linked in:
[  377.290593] ---[ end trace f7732bbb7966abda ]---
[  377.295390] RIP: 0010:dbUpdatePMap+0x4b0/0x1070
[  377.300371] Code: d7 ec fe 84 db 0f 85 96 08 00 00 e8 ca d5 ec fe 48 8b 44 24 10 48 b9 00 00 00 00 00 fc ff df 48 8d 78 30 48 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 b9 09 00 00 48 8b 44 24 10 44 8b 6c 24 28 48 8b
[  377.319482] RSP: 0018:ffff8880b0a9fc70 EFLAGS: 00010206
[  377.325034] RAX: 0000000000000006 RBX: 0000000000000000 RCX: dffffc0000000000
[  377.332371] RDX: 0000000000000000 RSI: ffffffff8275afa6 RDI: 0000000000000030
[  377.339698] RBP: ffff88808d3844d0 R08: ffffc90001401100 R09: 0000000000000000
[  377.347051] R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000ecc
[  377.354362] R13: 0000000000000020 R14: ffffc90001401100 R15: 0000000000000000
[  377.361688] FS:  0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
[  377.369950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  377.375821] CR2: 0000561ead4d89c8 CR3: 00000000a99ff000 CR4: 00000000003406e0
[  377.383127] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  377.390438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  377.397727] Kernel panic - not syncing: Fatal exception
[  377.403241] Kernel Offset: disabled
[  377.406856] Rebooting in 86400 seconds..