------------[ cut here ]------------ WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 folio_account_dirtied mm/page-writeback.c:2587 [inline] WARNING: CPU: 0 PID: 4435 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 mm/page-writeback.c:2638 Modules linked in: CPU: 0 PID: 4435 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 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+0x8a0/0xcd8 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+0x8a0/0xcd8 mm/page-writeback.c:2638 sp : ffff800020d772c0 x29: ffff800020d772e0 x28: 1fffff80006df448 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000c5363e90 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc00036fa248 x21: 1fffe00018a6c7d2 x20: ffff0000d7e02250 x19: fffffc00036fa240 x18: ffff800011b7bf60 x17: ffff800018338000 x16: ffff8000082d7e60 x15: ffff800017e19000 x14: 0000000000000001 x13: 1fffe00018a6c7d2 x12: 0000000000ff0100 x11: ff00800008708680 x10: 0000000000000000 x9 : ffff800008708680 x8 : ffff0000cd4db780 x7 : ffff800008707e24 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a560e8 x2 : ffff0000ced60060 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+0x8a0/0xcd8 mm/page-writeback.c:2638 __set_page_dirty include/linux/pagemap.h:1090 [inline] mark_buffer_dirty+0x2b8/0x5c0 fs/buffer.c:1105 gfs2_unpin+0x120/0x8fc 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+0xbf0/0x1b10 fs/gfs2/log.c:1116 do_sync+0x8cc/0xaec fs/gfs2/quota.c:986 gfs2_quota_sync+0x2cc/0x500 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/0x120 fs/super.c:332 deactivate_super+0xe4/0x104 fs/super.c:363 cleanup_mnt+0x390/0x418 fs/namespace.c:1191 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198 task_work_run+0x1ec/0x278 kernel/task_work.c:203 get_signal+0x111c/0x1304 kernel/signal.c:2648 do_signal arch/arm64/kernel/signal.c:1081 [inline] do_notify_resume+0x33c/0x2aa4 arch/arm64/kernel/signal.c:1134 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+0x98/0x128 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: 160102 hardirqs last enabled at (160101): [] folio_memcg_lock+0xe8/0x1f4 mm/memcontrol.c:2113 hardirqs last disabled at (160102): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (160102): [] _raw_spin_lock_irqsave+0xa4/0xb0 kernel/locking/spinlock.c:162 softirqs last enabled at (159736): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (159734): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---