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

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts.
syzkaller login: [   27.915788] IPVS: ftp: loaded support on port[0] = 21
executing program
[   28.006002] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
[   28.014650] REISERFS (device loop0): using ordered data mode
[   28.020715] reiserfs: using flush barriers
[   28.027114] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[   28.043211] REISERFS (device loop0): checking transaction log (loop0)
[   28.084735] REISERFS (device loop0): Using r5 hash to sort names
[   28.091334] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[   28.118168] kasan: CONFIG_KASAN_INLINE enabled
[   28.122878] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   28.131401] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.137635] Modules linked in:
[   28.140824] CPU: 0 PID: 7974 Comm: syz-executor173 Not tainted 4.14.302-syzkaller #0
[   28.148689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   28.158035] task: ffff8880954244c0 task.stack: ffff888095880000
[   28.164095] RIP: 0010:do_journal_end+0x111f/0x4310
[   28.169002] RSP: 0018:ffff888095887ab8 EFLAGS: 00010246
[   28.174344] RAX: dffffc0000000000 RBX: ffffc90001ad4000 RCX: 0000000000000000
[   28.181595] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea00022a3d40
[   28.188841] RBP: ffff88808aadf000 R08: ffffea00022a3d40 R09: 0000000000000003
[   28.196090] R10: 0000000000000000 R11: ffff8880954244c0 R12: 0000000000000000
[   28.203334] R13: ffffc90001ad4058 R14: ffffc90001ad4048 R15: ffff888095887bf0
[   28.210584] FS:  0000555556519300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
[   28.218786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.224644] CR2: 00007f72fe6384e8 CR3: 00000000a2054000 CR4: 00000000003406f0
[   28.231913] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.239680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.246927] Call Trace:
[   28.249503]  ? handle_quota_files+0x3a0/0x3a0
[   28.253979]  reiserfs_sync_fs+0xbb/0xd0
[   28.257934]  ? handle_quota_files+0x3a0/0x3a0
[   28.262408]  sync_filesystem+0xe2/0x230
[   28.266361]  generic_shutdown_super+0x70/0x370
[   28.271051]  kill_block_super+0x95/0xe0
[   28.275014]  deactivate_locked_super+0x6c/0xd0
[   28.279584]  deactivate_super+0x7f/0xa0
[   28.283544]  cleanup_mnt+0x186/0x2c0
[   28.287252]  task_work_run+0x11f/0x190
[   28.291653]  do_exit+0xa44/0x2850
[   28.295092]  ? __do_page_fault+0x571/0xad0
[   28.299323]  ? mm_update_next_owner+0x5b0/0x5b0
[   28.303981]  ? lock_downgrade+0x740/0x740
[   28.308132]  do_group_exit+0x100/0x2e0
[   28.312006]  SyS_exit_group+0x19/0x20
[   28.315790]  ? do_group_exit+0x2e0/0x2e0
[   28.319942]  do_syscall_64+0x1d5/0x640
[   28.323824]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   28.329006] RIP: 0033:0x7f72fe5f3ae9
[   28.332708] RSP: 002b:00007ffc741acf58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   28.340399] RAX: ffffffffffffffda RBX: 00007f72fe66a350 RCX: 00007f72fe5f3ae9
[   28.347648] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   28.354906] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f72fe664e40
[   28.362169] R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f72fe66a350
[   28.369424] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   28.376677] Code: 00 0f 85 4e 2d 00 00 48 8b 7b 18 b9 08 00 00 00 e8 b7 22 e0 ff 48 89 c2 48 89 44 24 60 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 11 2d 00 00 48 8b 5c 24 60 48 8b 03 a8 01 75 
[   28.395772] RIP: do_journal_end+0x111f/0x4310 RSP: ffff888095887ab8
[   28.414225] ---[ end trace cc32eb3455db95fa ]---
[   28.418993] Kernel panic - not syncing: Fatal exception
[   28.424541] Kernel Offset: disabled
[   28.428147] Rebooting in 86400 seconds..