[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   46.472416][ T6851] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
[   46.484738][ T6851] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[   46.493237][ T6851] CPU: 0 PID: 6851 Comm: syz-executor266 Not tainted 5.9.0-rc7-syzkaller #0
[   46.502384][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   46.512576][ T6851] RIP: 0010:jffs2_parse_param+0x1bf/0x300
[   46.518308][ T6851] Code: 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 06 92 2e ff 49 63 c5 48 89 04 24 49 8b 2e 48 83 c5 08 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 e2 91 2e ff 4c 8b 7d 00 4c 89 ff
[   46.538001][ T6851] RSP: 0018:ffffc9000507fd38 EFLAGS: 00010202
[   46.544056][ T6851] RAX: 0000000000000001 RBX: ffff888099b66800 RCX: 0000000000000003
[   46.552036][ T6851] RDX: ffff88809e160400 RSI: 0000000000000000 RDI: 00000000003fffff
[   46.560001][ T6851] RBP: 0000000000000008 R08: ffffffff82864fa9 R09: ffffffff82864f6e
[   46.567963][ T6851] R10: 0000000000000002 R11: ffff88809e160400 R12: dffffc0000000000
[   46.576089][ T6851] R13: 0000000000000000 R14: ffff88808a41a000 R15: 1ffff92000a0ffbc
[   46.584053][ T6851] FS:  0000000000aad880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   46.592959][ T6851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.599520][ T6851] CR2: 000000000043e830 CR3: 00000000a90fa000 CR4: 00000000001506f0
[   46.607562][ T6851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.615790][ T6851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.623822][ T6851] Call Trace:
[   46.627121][ T6851]  vfs_parse_fs_param+0x1e5/0x460
[   46.632134][ T6851]  generic_parse_monolithic+0x230/0x350
[   46.637672][ T6851]  path_mount+0x176c/0x29e0
[   46.642151][ T6851]  __se_sys_mount+0x126/0x180
[   46.646816][ T6851]  do_syscall_64+0x31/0x70
[   46.651483][ T6851]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   46.657346][ T6851] RIP: 0033:0x44699a
[   46.661225][ T6851] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d ae fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a ae fb ff c3 66 0f 1f 84 00 00 00 00 00
[   46.680900][ T6851] RSP: 002b:00007ffeaab01d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   46.689289][ T6851] RAX: ffffffffffffffda RBX: 00007ffeaab01d90 RCX: 000000000044699a
[   46.697239][ T6851] RDX: 0000000020000380 RSI: 00000000200003c0 RDI: 0000000000000000
[   46.705187][ T6851] RBP: 0000000000000000 R08: 00007ffeaab01d90 R09: 0000000000000014
[   46.713313][ T6851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401c80
[   46.721264][ T6851] R13: 0000000000401d10 R14: 0000000000000000 R15: 0000000000000000
[   46.729224][ T6851] Modules linked in:
[   46.741767][ T6851] ---[ end trace cf723f62fcd9d429 ]---
[   46.747382][ T6851] RIP: 0010:jffs2_parse_param+0x1bf/0x300
[   46.753113][ T6851] Code: 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 06 92 2e ff 49 63 c5 48 89 04 24 49 8b 2e 48 83 c5 08 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 e2 91 2e ff 4c 8b 7d 00 4c 89 ff
[   46.773736][ T6851] RSP: 0018:ffffc9000507fd38 EFLAGS: 00010202
[   46.780211][ T6851] RAX: 0000000000000001 RBX: ffff888099b66800 RCX: 0000000000000003
[   46.788871][ T6851] RDX: ffff88809e160400 RSI: 0000000000000000 RDI: 00000000003fffff
[   46.797725][ T6851] RBP: 0000000000000008 R08: ffffffff82864fa9 R09: ffffffff82864f6e
[   46.806147][ T6851] R10: 0000000000000002 R11: ffff88809e160400 R12: dffffc0000000000
[   46.815290][ T6851] R13: 0000000000000000 R14: ffff88808a41a000 R15: 1ffff92000a0ffbc
[   46.823264][ T6851] FS:  0000000000aad880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[   46.832953][ T6851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.839950][ T6851] CR2: 00007fdf0ebbd000 CR3: 00000000a90fa000 CR4: 00000000001506f0
[   46.848639][ T6851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.857092][ T6851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.865499][ T6851] Kernel panic - not syncing: Fatal exception
[   46.872853][ T6851] Kernel Offset: disabled
[   46.877177][ T6851] Rebooting in 86400 seconds..