------------[ cut here ]------------ WARNING: CPU: 0 PID: 4395 at include/linux/backing-dev.h:288 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 0 PID: 4395 at include/linux/backing-dev.h:288 account_page_dirtied mm/page-writeback.c:2474 [inline] WARNING: CPU: 0 PID: 4395 at include/linux/backing-dev.h:288 __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 Modules linked in: CPU: 0 PID: 4395 Comm: syz-executor Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:285 [inline] pc : account_page_dirtied mm/page-writeback.c:2474 [inline] pc : __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 lr : inode_to_wb include/linux/backing-dev.h:285 [inline] lr : account_page_dirtied mm/page-writeback.c:2474 [inline] lr : __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 sp : ffff800020067340 x29: ffff800020067350 x28: 0000000000000000 x27: 1fffe0001d9ec854 x26: dfff800000000000 x25: 1fffe000180943f9 x24: 0000000000000000 x23: ffff0000c04a1fc8 x22: 0000000000000000 x21: 0000000000000003 x20: ffff0000ecf642a8 x19: fffffc000385e980 x18: ffff8000200670e0 x17: 1fffe00036831b8e x16: ffff8000082eada8 x15: 0000000000026d4e x14: 1ffff0000295806a x13: dfff800000000000 x12: ffff70000400ce4c x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000cefdd1c0 x8 : ffff800008708e98 x7 : ffff8000087085e8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008305408 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:285 [inline] account_page_dirtied mm/page-writeback.c:2474 [inline] __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 mark_buffer_dirty+0x27c/0x574 fs/buffer.c:1108 gfs2_unpin+0x12c/0xcc0 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:750 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xd50/0x21d4 fs/gfs2/log.c:1108 do_sync+0x8e4/0xaf8 fs/gfs2/quota.c:986 gfs2_quota_sync+0x2e8/0x548 fs/gfs2/quota.c:1329 gfs2_sync_fs+0x4c/0xc4 fs/gfs2/super.c:647 sync_filesystem+0xe8/0x218 fs/sync.c:56 generic_shutdown_super+0x70/0x2f0 fs/super.c:448 kill_block_super+0x70/0xdc fs/super.c:1427 gfs2_kill_sb+0xc0/0xd4 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0x108/0x128 fs/super.c:366 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x130/0x1e4 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 245962 hardirqs last enabled at (245961): [] lock_page_memcg+0x11c/0x244 mm/memcontrol.c:2056 hardirqs last disabled at (245962): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (245962): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (245680): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (245680): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (245635): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (245635): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (245635): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (245635): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace d5a5f895c0b92d99 ]--- ocfs2: Unmounting device (7,5) on (node local)