------------[ cut here ]------------ WARNING: CPU: 0 PID: 81 at include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 81 at include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2743 [inline] WARNING: CPU: 0 PID: 81 at include/linux/backing-dev.h:254 __folio_mark_dirty+0x907/0xed0 mm/page-writeback.c:2797 Modules linked in: CPU: 0 UID: 0 PID: 81 Comm: kworker/u8:5 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2743 [inline] RIP: 0010:__folio_mark_dirty+0x907/0xed0 mm/page-writeback.c:2797 Code: f9 ff ff e8 9b bf c4 ff 4c 89 f7 48 8b 34 24 e8 5f e7 37 00 eb 87 e8 88 bf c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 7a bf c4 ff 90 <0f> 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9 RSP: 0018:ffffc900015f7030 EFLAGS: 00010093 RAX: ffffffff81d02af6 RBX: 0000000000000000 RCX: ffff88801cb41e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888023544178 R08: ffffffff81d02632 R09: 1ffff110046a882f R10: dffffc0000000000 R11: ffffed10046a8830 R12: 0000000000000001 R13: ffff888023544008 R14: ffffea0001da9040 R15: 1ffff110046a882f FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb3462601d CR3: 000000000e734000 CR4: 0000000000350ef0 Call Trace: mark_buffer_dirty+0x2a4/0x520 fs/buffer.c:1201 gfs2_unpin+0x129/0xa60 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+0x118f/0x2610 fs/gfs2/log.c:1115 gfs2_write_inode+0x20e/0x3c0 fs/gfs2/super.c:457 write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x713/0x10d0 fs/fs-writeback.c:1723 writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2025 wb_writeback+0x42f/0xbd0 fs/fs-writeback.c:2136 wb_check_old_data_flush fs/fs-writeback.c:2240 [inline] wb_do_writeback fs/fs-writeback.c:2293 [inline] wb_workfn+0xba1/0x1090 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244