------------[ cut here ]------------ WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 folio_account_dirtied mm/page-writeback.c:2714 [inline] WARNING: CPU: 0 PID: 5835 at ./include/linux/backing-dev.h:255 __folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766 Modules linked in: CPU: 0 UID: 0 PID: 5835 Comm: syz-executor Not tainted 6.15.0-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2714 [inline] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766 Code: 48 c7 c7 00 3e 74 8b e8 7f d0 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 e0 73 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 d2 73 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7 RSP: 0018:ffffc9000303f7a8 EFLAGS: 00010093 RAX: ffffffff81f97dfe RBX: ffffea0001b81fc0 RCX: ffff88805edf3c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffea0001b81fc7 R09: 1ffffd40003703f8 R10: dffffc0000000000 R11: fffff940003703f9 R12: ffff88802290cb88 R13: 1ffff1100452199f R14: 0000000000000000 R15: ffff88802290ccf8 FS: 0000555594106500(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f45dd1f430a CR3: 000000005eaae000 CR4: 0000000000350ef0 Call Trace: <TASK> mark_buffer_dirty+0x271/0x410 fs/buffer.c:1212 gfs2_unpin+0x125/0x9c0 fs/gfs2/lops.c:111 buf_lo_after_commit+0x15e/0x1b0 fs/gfs2/lops.c:736 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0x10a2/0x24c0 fs/gfs2/log.c:1115 do_sync+0xa1d/0xc60 fs/gfs2/quota.c:981 gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:670 sync_filesystem+0xee/0x230 fs/sync.c:56 generic_shutdown_super+0x6f/0x2c0 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xbc/0x130 fs/super.c:473 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1431 task_work_run+0x1d4/0x260 kernel/task_work.c:227 resume_user_mode_work+0x5e/0x80 include/linux/resume_user_mode.h:50 exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x9a/0x120 kernel/entry/common.c:218 do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c1ed8fc97 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe115ac178 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f5c1ee1089d RCX: 00007f5c1ed8fc97 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe115ac230 RBP: 00007ffe115ac230 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe115ad2c0 R13: 00007f5c1ee1089d R14: 000000000009185a R15: 00007ffe115ad300 </TASK>