gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
gfs2: fsid=syz:syz.0: jid=0: Done
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 2 quota changes
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10627 at include/linux/backing-dev.h:335 inode_to_wb include/linux/backing-dev.h:335 [inline]
WARNING: CPU: 1 PID: 10627 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10627 Comm: syz-executor.5 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:inode_to_wb include/linux/backing-dev.h:335 [inline]
RIP: 0010:account_page_dirtied+0x8df/0xbb0 mm/page-writeback.c:2437
RSP: 0018:ffff88804babf608 EFLAGS: 00010012
RAX: 0000000000040000 RBX: ffff8880aee1b680 RCX: ffffc900060ce000
RDX: 000000000000471d RSI: ffffffff816b4bbf RDI: 0000000000000082
RBP: ffff88809073fb68 R08: ffffffff8b9b78b0 R09: 00000000000c0238
R10: ffff88809fa2ad38 R11: ffff88809fa2a3c0 R12: ffffea00024a8180
R13: ffff88809073f9d8 R14: ffff88809073f9d8 R15: ffffea00024a81a0
 __set_page_dirty+0x77/0x2a0 fs/buffer.c:634
 mark_buffer_dirty+0x307/0x480 fs/buffer.c:1173
 gfs2_unpin+0xc7/0xeb0 fs/gfs2/lops.c:107
 buf_lo_after_commit+0x12d/0x1f0 fs/gfs2/lops.c:510
 lops_after_commit fs/gfs2/lops.h:64 [inline]
 gfs2_log_flush+0x7fc/0x1ad0 fs/gfs2/log.c:759
 gfs2_trans_end+0x52b/0x560 fs/gfs2/trans.c:123
 do_sync+0x8af/0xba0 fs/gfs2/quota.c:948
 gfs2_quota_sync+0x4f1/0x690 fs/gfs2/quota.c:1299
 gfs2_sync_fs+0x40/0xa0 fs/gfs2/super.c:947
 __sync_filesystem fs/sync.c:39 [inline]
 sync_filesystem fs/sync.c:64 [inline]
 sync_filesystem+0xe2/0x230 fs/sync.c:48
 gfs2_remount_fs+0x112/0x880 fs/gfs2/super.c:1234
 do_remount_sb+0x150/0x530 fs/super.c:868
 do_remount fs/namespace.c:2393 [inline]
 do_mount+0x15f3/0x2a30 fs/namespace.c:2896
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fe1edcf10a9
RSP: 002b:00007fe1ec263168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe1ede10f80 RCX: 00007fe1edcf10a9
RDX: 0000000000000000 RSI: 0000000020004300 RDI: 0000000000000000
RBP: 00007fe1edd4cae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001848423 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc341a9fcf R14: 00007fe1ec263300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..