------------[ cut here ]------------ WARNING: CPU: 1 PID: 4434 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4434 at include/linux/backing-dev.h:247 folio_account_dirtied mm/page-writeback.c:2587 [inline] WARNING: CPU: 1 PID: 4434 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 Modules linked in: CPU: 1 PID: 4434 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : folio_account_dirtied mm/page-writeback.c:2587 [inline] pc : __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : folio_account_dirtied mm/page-writeback.c:2587 [inline] lr : __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 sp : ffff8000211673c0 x29: ffff8000211673e0 x28: 1fffff800064ed38 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc00032769c8 x21: 1fffe000180b17d2 x20: ffff0000da8be250 x19: fffffc00032769c0 x18: ffff800011abbcc0 x17: ffff8000181f8000 x16: ffff8000082d0e30 x15: ffff800017cd8fc0 x14: ffff0000d6e9ddd8 x13: 1ffff00002a180b1 x12: 0000000000ff0100 x11: ff008000086fb7c0 x10: 0000000000000000 x9 : ffff8000086fb7c0 x8 : ffff0000d6e9d340 x7 : ffff8000086faf64 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a462a0 x2 : ffff0000cec52060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] folio_account_dirtied mm/page-writeback.c:2587 [inline] __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 __set_page_dirty include/linux/pagemap.h:1088 [inline] mark_buffer_dirty+0x2b8/0x5cc fs/buffer.c:1105 gfs2_unpin+0x120/0x914 fs/gfs2/lops.c:111 buf_lo_after_commit+0x140/0x188 fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xbc8/0x1aa0 fs/gfs2/log.c:1116 do_sync+0x88c/0xa94 fs/gfs2/quota.c:986 gfs2_quota_sync+0x2e0/0x528 fs/gfs2/quota.c:1329 gfs2_sync_fs+0x4c/0xc4 fs/gfs2/super.c:660 sync_filesystem+0xe8/0x218 fs/sync.c:56 generic_shutdown_super+0x70/0x324 fs/super.c:474 kill_block_super+0x70/0xdc fs/super.c:1470 gfs2_kill_sb+0xc0/0xd4 fs/gfs2/ops_fstype.c:-1 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1182 __cleanup_mnt+0x20/0x30 fs/namespace.c:1189 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 160062 hardirqs last enabled at (160061): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (160062): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (160062): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (159784): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (159784): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (159747): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---