------------[ cut here ]------------ WARNING: CPU: 0 PID: 5303 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 5303 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2745 [inline] WARNING: CPU: 0 PID: 5303 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2797 Modules linked in: CPU: 0 UID: 0 PID: 5303 Comm: syz-executor400 Not tainted 6.14.0-rc6-syzkaller-00016-g0fed89a961ea #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2745 [inline] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2797 Code: e8 bb 0f c4 ff 4c 89 ef 48 8b 34 24 e8 3f cc 33 00 e9 4a fe ff ff e8 a5 0f c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 97 0f c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7 RSP: 0018:ffffc9000d0b77c0 EFLAGS: 00010093 RAX: ffffffff81fdcf79 RBX: 0000000000000000 RCX: ffff8880006a4880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888031d2ccf8 R08: ffffffff81fdc975 R09: 1ffff110063a599f R10: dffffc0000000000 R11: ffffed10063a59a0 R12: ffff888031d2cb88 R13: ffffea0001097600 R14: 0000000000000001 R15: 1ffff110063a599f FS: 000055555d2d9380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd81413fe8 CR3: 000000004346e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_buffer_dirty+0x28e/0x440 fs/buffer.c:1196 gfs2_unpin+0x129/0xa70 fs/gfs2/lops.c:111 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:738 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0x118d/0x2610 fs/gfs2/log.c:1115 do_sync+0xa0b/0xc60 fs/gfs2/quota.c:981 gfs2_quota_sync+0x3bc/0x4a0 fs/gfs2/quota.c:1357 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:670 sync_filesystem+0xed/0x230 fs/sync.c:56 generic_shutdown_super+0x72/0x2d0 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] 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+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd08bfc387 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd81414248 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdd08bfc387 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd81414300 RBP: 00007ffd81414300 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd81415370 R13: 000055555d2da6c0 R14: 0000000000000001 R15: 431bde82d7b634db