gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents
gfs2: fsid=syz:syz.0: jid=0, already locked for use
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
WARNING: CPU: 1 PID: 8121 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline]
WARNING: CPU: 1 PID: 8121 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8121 Comm: syz-executor225 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:inode_to_wb include/linux/backing-dev.h:340 [inline]
RIP: 0010:account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420
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
RSP: 0018:ffff8880956b7368 EFLAGS: 00010093
RAX: ffff8880b386a300 RBX: 0000000000000000 RCX: ffffffff817fd2ef
RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005
RBP: ffff8880b1ba6a60 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000074071 R12: ffffea0002ada8c0
R13: ffff8880b1ba68d8 R14: ffff88809f0669a0 R15: ffffea0002ada8c8
 __set_page_dirty+0x7f/0x3e0 fs/buffer.c:582
 mark_buffer_dirty+0x424/0x5c0 fs/buffer.c:1111
 gfs2_unpin+0xd6/0xe80 fs/gfs2/lops.c:108
 buf_lo_after_commit+0x140/0x210 fs/gfs2/lops.c:512
 lops_after_commit fs/gfs2/lops.h:67 [inline]
 gfs2_log_flush+0x9fa/0x1ef0 fs/gfs2/log.c:831
 gfs2_trans_end+0x596/0x5d0 fs/gfs2/trans.c:122
 alloc_dinode fs/gfs2/inode.c:398 [inline]
 gfs2_create_inode+0x17a6/0x3de0 fs/gfs2/inode.c:700
 gfs2_atomic_open+0xaf/0x250 fs/gfs2/inode.c:1264
 atomic_open fs/namei.c:3073 [inline]
 lookup_open+0x1023/0x1a20 fs/namei.c:3205
 do_last fs/namei.c:3327 [inline]
 path_openat+0x1094/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fd265f3c1d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffec0206a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd265f3c1d9
RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0
RBP: 0000000000000000 R08: 0000000000000002 R09: 00007fd265fe1ec0
R10: 00007fffec020570 R11: 0000000000000246 R12: 00007fffec0206d0
R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..