------------[ cut here ]------------
WARNING: CPU: 0 PID: 8598 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:252 [inline]
WARNING: CPU: 0 PID: 8598 at include/linux/backing-dev.h:256 folio_account_dirtied mm/page-writeback.c:2640 [inline]
WARNING: CPU: 0 PID: 8598 at include/linux/backing-dev.h:256 __folio_mark_dirty+0x908/0x10f0 mm/page-writeback.c:2691
Modules linked in:
CPU: 0 PID: 8598 Comm: syz.2.623 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:inode_to_wb include/linux/backing-dev.h:252 [inline]
RIP: 0010:folio_account_dirtied mm/page-writeback.c:2640 [inline]
RIP: 0010:__folio_mark_dirty+0x908/0x10f0 mm/page-writeback.c:2691
Code: e9 9c f8 ff ff e8 78 9e ce ff 0f 0b e9 e3 f8 ff ff e8 6c 9e ce ff 48 89 df 48 8b 74 24 28 e8 3f 2e 2e 00 eb a6 e8 58 9e ce ff <0f> 0b e9 8e fb ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c fc f8 ff
RSP: 0018:ffffc90004d3f0e8 EFLAGS: 00010046
RAX: ffffffff81b87658 RBX: ffffea00017a7d00 RCX: 0000000000080000
RDX: ffffc9000e1bc000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000001 R08: ffffea00017a7d07 R09: 1ffffd40002f4fa0
R10: dffffc0000000000 R11: fffff940002f4fa1 R12: 1ffff1100400fb11
R13: ffff88802007d710 R14: 0000000000000000 R15: ffff88802007d888
FS:  00007f2fae05f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c34a11f CR3: 00000000791c2000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 mark_buffer_dirty+0x26e/0x4c0 fs/buffer.c:1212
 gfs2_unpin+0x125/0x9a0 fs/gfs2/lops.c:111
 buf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:745
 lops_after_commit fs/gfs2/lops.h:51 [inline]
 gfs2_log_flush+0x10e6/0x2500 fs/gfs2/log.c:1117
 gfs2_inplace_reserve+0x1719/0x3340 fs/gfs2/rgrp.c:2188
 gfs2_iomap_begin_write fs/gfs2/bmap.c:1031 [inline]
 gfs2_iomap_begin+0x83f/0x12f0 fs/gfs2/bmap.c:1126
 iomap_iter+0x6b1/0xec0 fs/iomap/iter.c:91
 iomap_file_buffered_write+0xbc0/0xd80 fs/iomap/buffered-io.c:999
 gfs2_file_buffered_write+0x4bd/0x820 fs/gfs2/file.c:1060
 gfs2_file_write_iter+0x48d/0xe90 fs/gfs2/file.c:1158
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x46c/0x990 fs/read_write.c:584
 ksys_write+0x150/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2fad19bf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2fae05f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2fad415fa0 RCX: 00007f2fad19bf79
RDX: 000000006db6e559 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f2fad2327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2fad416038 R14: 00007f2fad415fa0 R15: 00007ffd7ac07f38
 </TASK>