[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts.
syzkaller login: [ 32.692482] IPVS: ftp: loaded support on port[0] = 21
executing program
[ 32.853961] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 32.861510] gfs2: fsid=syz:syz: Now mounting FS...
[ 32.874103] gfs2: fsid=syz:syz.0: journal 0 mapped with 4 extents
[ 32.880502] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 32.887410] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 32.896853] gfs2: fsid=syz:syz.0: jid=0: Done
[ 32.901499] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 32.946790] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 32.974499] WARNING: CPU: 1 PID: 8105 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0
[ 32.984364] Kernel panic - not syncing: panic_on_warn set ...
[ 32.984364]
[ 32.991718] CPU: 1 PID: 8105 Comm: syz-executor427 Not tainted 4.19.211-syzkaller #0
[ 32.999583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 33.009005] Call Trace:
[ 33.011582] dump_stack+0x1fc/0x2ef
[ 33.015195] panic+0x26a/0x50e
[ 33.018369] ? __warn_printk+0xf3/0xf3
[ 33.022241] ? account_page_dirtied+0x8cc/0xbb0
[ 33.026892] ? __probe_kernel_read+0x130/0x1b0
[ 33.031453] ? __warn.cold+0x5/0x5a
[ 33.035057] ? __warn+0xe4/0x200
[ 33.038405] ? account_page_dirtied+0x8cc/0xbb0
[ 33.043062] __warn.cold+0x20/0x5a
[ 33.046593] ? account_page_dirtied+0x8cc/0xbb0
[ 33.051254] report_bug+0x262/0x2b0
[ 33.054872] do_error_trap+0x1d7/0x310
[ 33.058742] ? math_error+0x310/0x310
[ 33.062531] ? __lock_acquire+0x6de/0x3ff0
[ 33.066749] ? mark_held_locks+0xf0/0xf0
[ 33.070789] ? error_entry+0x72/0xd0
[ 33.074487] ? trace_hardirqs_off_caller+0x2c/0x210
[ 33.079489] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 33.084320] invalid_op+0x14/0x20
[ 33.087759] RIP: 0010:account_page_dirtied+0x8cc/0xbb0
[ 33.093015] Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d
[ 33.111896] RSP: 0018:ffff8880a26f7638 EFLAGS: 00010093
[ 33.117239] RAX: ffff8880b1570200 RBX: 0000000000000000 RCX: ffffffff817fd2ef
[ 33.124492] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005
[ 33.131845] RBP: ffff8880b1b119a0 R08: 0000000000000001 R09: 0000000000000000
[ 33.139098] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002c1c9c0
[ 33.146343] R13: ffff8880b1b11818 R14: ffff888094d6cde0 R15: ffffea0002c1c9c8
[ 33.153609] ? account_page_dirtied+0x8bf/0xbb0
[ 33.158257] ? account_page_dirtied+0x8cc/0xbb0
[ 33.162907] ? account_page_dirtied+0x8cc/0xbb0
[ 33.167559] __set_page_dirty+0x7f/0x3e0
[ 33.171603] ? lock_page_memcg+0xa7/0x220
[ 33.175738] mark_buffer_dirty+0x424/0x5c0
[ 33.179957] gfs2_unpin+0xd6/0xe80
[ 33.183480] buf_lo_after_commit+0x140/0x210
[ 33.187873] ? gfs2_unpin+0xe80/0xe80
[ 33.191650] gfs2_log_flush+0x9fa/0x1ef0
[ 33.195693] ? gfs2_log_shutdown+0x3f0/0x3f0
[ 33.200080] ? lock_downgrade+0x720/0x720
[ 33.204207] ? gfs2_trans_end+0x2d1/0x5d0
[ 33.208334] ? lock_downgrade+0x720/0x720
[ 33.212461] ? gfs2_log_commit+0xcba/0x1690
[ 33.216765] gfs2_trans_end+0x596/0x5d0
[ 33.220721] do_sync+0x990/0xc90
[ 33.224067] ? do_qc+0x660/0x660
[ 33.227412] ? gfs2_quota_sync+0x3fa/0x780
[ 33.231629] ? do_sync+0x5e6/0xc90
[ 33.235148] ? gfs2_quota_sync+0x327/0x780
[ 33.239363] ? _raw_spin_unlock+0x29/0x40
[ 33.243495] gfs2_quota_sync+0x5d1/0x780
[ 33.247537] gfs2_sync_fs+0x40/0xb0
[ 33.251142] ? gfs2_show_options+0xc80/0xc80
[ 33.255525] sync_filesystem+0x105/0x250
[ 33.259582] generic_shutdown_super+0x70/0x370
[ 33.264154] kill_block_super+0x97/0xf0
[ 33.268108] gfs2_kill_sb+0x12c/0x1a0
[ 33.271892] deactivate_locked_super+0x94/0x160
[ 33.276544] deactivate_super+0x174/0x1a0
[ 33.280681] ? deactivate_locked_super+0x160/0x160
[ 33.285596] ? dput+0x31/0x640
[ 33.288771] cleanup_mnt+0x1a8/0x290
[ 33.292467] task_work_run+0x148/0x1c0
[ 33.296337] do_exit+0xbf3/0x2be0
[ 33.299773] ? lock_downgrade+0x720/0x720
[ 33.303901] ? mm_update_next_owner+0x650/0x650
[ 33.308553] ? up_read+0x17/0x110
[ 33.311986] ? __do_page_fault+0x180/0xd60
[ 33.316203] do_group_exit+0x125/0x310
[ 33.320074] __x64_sys_exit_group+0x3a/0x50
[ 33.324378] do_syscall_64+0xf9/0x620
[ 33.328161] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 33.333329] RIP: 0033:0x7f8c004e39c9
[ 33.337028] Code: Bad RIP value.
[ 33.340372] RSP: 002b:00007fff4f4d9938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 33.348055] RAX: ffffffffffffffda RBX: 00007f8c0056b330 RCX: 00007f8c004e39c9
[ 33.355305] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 33.362564] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000012536
[ 33.369819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c0056b330
[ 33.377069] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 33.384653] Kernel Offset: disabled
[ 33.388329] Rebooting in 86400 seconds..