[ 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 '10.128.1.124' (ECDSA) to the list of known hosts. syzkaller login: [ 482.159235] IPVS: ftp: loaded support on port[0] = 21 executing program [ 482.246555] kasan: CONFIG_KASAN_INLINE enabled [ 482.251292] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 482.258656] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 482.264882] CPU: 1 PID: 1985 Comm: jfsCommit Not tainted 4.19.211-syzkaller #0 [ 482.272235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 482.281665] RIP: 0010:__list_add_valid+0x22/0xa0 [ 482.286439] Code: ff 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 48 89 fd 48 8d 7a 08 48 83 ec 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 aa 52 85 04 48 b8 [ 482.305332] RSP: 0018:ffff8880b0b27cb8 EFLAGS: 00010002 [ 482.310850] RAX: dffffc0000000000 RBX: ffffc90001401100 RCX: ffffffff82752b89 [ 482.318097] RDX: 0000000000000001 RSI: ffffc90001401110 RDI: 0000000000000008 [ 482.325358] RBP: ffff8880a98fc5b0 R08: 0000000000000001 R09: 0000000000000000 [ 482.332602] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 482.339858] R13: ffffc90001401110 R14: ffff8880a98fc5b0 R15: ffff888098ae4690 [ 482.347107] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 482.355408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 482.361273] CR2: 00007f24540111d0 CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 482.368528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 482.375780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 482.383112] Call Trace: [ 482.385684] ? diUpdatePMap+0x521/0x1090 [ 482.389723] diUpdatePMap+0x835/0x1090 [ 482.393592] txUpdateMap+0xbfd/0x1000 [ 482.397379] ? lock_acquire+0x170/0x3c0 [ 482.401338] ? jfs_lazycommit+0xb1/0x9d0 [ 482.405377] jfs_lazycommit+0x525/0x9d0 [ 482.409341] ? txCommit+0x39e0/0x39e0 [ 482.413133] ? lock_acquire+0x170/0x3c0 [ 482.417094] ? __kthread_parkme+0x5d/0x1e0 [ 482.421318] ? wake_up_q+0xe0/0xe0 [ 482.424847] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 482.429427] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 482.434515] ? __kthread_parkme+0x133/0x1e0 [ 482.438823] ? txCommit+0x39e0/0x39e0 [ 482.442642] kthread+0x33f/0x460 [ 482.445994] ? kthread_park+0x180/0x180 [ 482.449949] ret_from_fork+0x24/0x30 [ 482.453643] Modules linked in: [ 482.458470] ---[ end trace 2e577b73f6085e11 ]--- [ 482.463202] RIP: 0010:__list_add_valid+0x22/0xa0 [ 482.467934] Code: ff 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 54 49 89 d4 55 48 89 fd 48 8d 7a 08 48 83 ec 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 aa 52 85 04 48 b8 [ 482.486897] RSP: 0018:ffff8880b0b27cb8 EFLAGS: 00010002 [ 482.492241] RAX: dffffc0000000000 RBX: ffffc90001401100 RCX: ffffffff82752b89 [ 482.499487] RDX: 0000000000000001 RSI: ffffc90001401110 RDI: 0000000000000008 [ 482.506733] RBP: ffff8880a98fc5b0 R08: 0000000000000001 R09: 0000000000000000 [ 482.514110] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 482.521367] R13: ffffc90001401110 R14: ffff8880a98fc5b0 R15: ffff888098ae4690 [ 482.528640] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 482.536846] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 482.542727] CR2: 00007f24540111d0 CR3: 0000000009e6d000 CR4: 00000000003406e0 [ 482.549977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 482.557223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 482.564469] Kernel panic - not syncing: Fatal exception [ 483.670633] Shutting down cpus with NMI [ 483.674814] Kernel Offset: disabled [ 483.678425] Rebooting in 86400 seconds..