[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. syzkaller login: [ 35.109872] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.314445] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 35.322362] gfs2: fsid=syz:syz: Now mounting FS... [ 35.346465] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents [ 35.352973] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 35.359066] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 35.369874] gfs2: fsid=syz:syz.0: jid=0: Done [ 35.376407] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 35.507772] audit: type=1800 audit(1672964386.086:2): pid=8093 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor957" name="bus" dev="loop0" ino=9375 res=0 [ 35.537766] WARNING: CPU: 0 PID: 8093 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 35.547558] Kernel panic - not syncing: panic_on_warn set ... [ 35.547558] [ 35.554907] CPU: 0 PID: 8093 Comm: syz-executor957 Not tainted 4.19.211-syzkaller #0 [ 35.562775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.572196] Call Trace: [ 35.574772] dump_stack+0x1fc/0x2ef [ 35.578384] panic+0x26a/0x50e [ 35.581558] ? __warn_printk+0xf3/0xf3 [ 35.585433] ? account_page_dirtied+0x8cc/0xbb0 [ 35.590085] ? __probe_kernel_read+0x130/0x1b0 [ 35.594645] ? __warn.cold+0x5/0x5a [ 35.598252] ? __warn+0xe4/0x200 [ 35.601616] ? account_page_dirtied+0x8cc/0xbb0 [ 35.606292] __warn.cold+0x20/0x5a [ 35.609821] ? account_page_dirtied+0x8cc/0xbb0 [ 35.614468] report_bug+0x262/0x2b0 [ 35.618079] do_error_trap+0x1d7/0x310 [ 35.621960] ? math_error+0x310/0x310 [ 35.625744] ? mark_held_locks+0xf0/0xf0 [ 35.629790] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.634898] ? error_entry+0x72/0xd0 [ 35.638594] ? trace_hardirqs_off_caller+0x2c/0x210 [ 35.643611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.648441] invalid_op+0x14/0x20 [ 35.651875] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 35.657131] 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 [ 35.676013] RSP: 0018:ffff888095307940 EFLAGS: 00010093 [ 35.681364] RAX: ffff8880b447e1c0 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 35.688613] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 35.695864] RBP: ffff88808dc20ba0 R08: 0000000000000001 R09: 0000000000000000 [ 35.703112] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002a2c700 [ 35.710364] R13: ffff88808dc20a18 R14: ffff8880b138d020 R15: ffffea0002a2c708 [ 35.717629] ? account_page_dirtied+0x8bf/0xbb0 [ 35.722282] ? account_page_dirtied+0x8cc/0xbb0 [ 35.726946] __set_page_dirty+0x7f/0x3e0 [ 35.730991] ? lock_page_memcg+0xa7/0x220 [ 35.735125] mark_buffer_dirty+0x424/0x5c0 [ 35.739342] gfs2_unpin+0xd6/0xe80 [ 35.742866] ? log_write_header+0x29b/0x1010 [ 35.747253] ? wait_woken+0x250/0x250 [ 35.751036] buf_lo_after_commit+0x140/0x210 [ 35.755427] ? gfs2_unpin+0xe80/0xe80 [ 35.759205] gfs2_log_flush+0x9fa/0x1ef0 [ 35.763248] ? lock_acquire+0x170/0x3c0 [ 35.767206] ? gfs2_log_shutdown+0x3f0/0x3f0 [ 35.771594] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.776684] ? debug_check_no_obj_freed+0x201/0x490 [ 35.781684] ? mark_held_locks+0xa6/0xf0 [ 35.785725] ? kfree+0x110/0x210 [ 35.789101] ? unregister_shrinker+0x1cb/0x300 [ 35.793665] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.798232] gfs2_kill_sb+0x54/0x1a0 [ 35.802028] deactivate_locked_super+0x94/0x160 [ 35.806674] deactivate_super+0x174/0x1a0 [ 35.810803] ? deactivate_locked_super+0x160/0x160 [ 35.815718] ? dput+0x31/0x640 [ 35.818905] cleanup_mnt+0x1a8/0x290 [ 35.822609] task_work_run+0x148/0x1c0 [ 35.826478] do_exit+0xbf3/0x2be0 [ 35.829912] ? lock_downgrade+0x720/0x720 [ 35.834054] ? mm_update_next_owner+0x650/0x650 [ 35.838708] ? up_read+0x17/0x110 [ 35.842144] ? __do_page_fault+0x180/0xd60 [ 35.846362] do_group_exit+0x125/0x310 [ 35.850233] __x64_sys_exit_group+0x3a/0x50 [ 35.854538] do_syscall_64+0xf9/0x620 [ 35.858328] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.863498] RIP: 0033:0x7f28ed26f9e9 [ 35.867194] Code: Bad RIP value. [ 35.870633] RSP: 002b:00007ffd9807e618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.878326] RAX: ffffffffffffffda RBX: 00007f28ed31c330 RCX: 00007f28ed26f9e9 [ 35.885574] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.892821] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f28ed316e40 [ 35.900087] R10: 00007ffd9807e530 R11: 0000000000000246 R12: 00007f28ed31c330 [ 35.907435] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.915105] Kernel Offset: disabled [ 35.918782] Rebooting in 86400 seconds..