------------[ cut here ]------------ WARNING: CPU: 1 PID: 36 at ./include/linux/backing-dev.h:255 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 1 PID: 36 at ./include/linux/backing-dev.h:255 folio_account_dirtied mm/page-writeback.c:2714 [inline] WARNING: CPU: 1 PID: 36 at ./include/linux/backing-dev.h:255 __folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766 Modules linked in: CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 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:2714 [inline] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0 mm/page-writeback.c:2766 Code: 48 c7 c7 80 39 74 8b e8 9f d6 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 c0 78 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 b2 78 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:ffffc90000ad6fe8 EFLAGS: 00010093 RAX: ffffffff81f9461e RBX: ffffea0001da7380 RCX: ffff888143ea1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffff888148ccc17f R09: 1ffff1102919982f R10: dffffc0000000000 R11: ffffed1029199830 R12: ffff888148ccc008 R13: 1ffff1102919982f R14: 0000000000000000 R15: ffff888148ccc178 FS: 0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efef4bff000 CR3: 0000000032664000 CR4: 0000000000350ef0 Call Trace: mark_buffer_dirty+0x271/0x410 fs/buffer.c:1209 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 gfs2_write_inode+0x23f/0x3e0 fs/gfs2/super.c:457 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x6f1/0xff0 fs/fs-writeback.c:1745 writeback_sb_inodes+0x6b5/0x1000 fs/fs-writeback.c:1976 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:2047 wb_writeback+0x44f/0xaf0 fs/fs-writeback.c:2158 wb_check_old_data_flush fs/fs-writeback.c:2262 [inline] wb_do_writeback fs/fs-writeback.c:2315 [inline] wb_workfn+0xaef/0xef0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xade/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4e/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245