------------[ cut here ]------------ WARNING: CPU: 1 PID: 4319 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4319 at include/linux/backing-dev.h:247 folio_account_dirtied mm/page-writeback.c:2587 [inline] WARNING: CPU: 1 PID: 4319 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 mm/page-writeback.c:2638 Modules linked in: CPU: 1 PID: 4319 Comm: syz-executor Not tainted 6.1.148-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 : ffff800020da76e0 x29: ffff800020da7700 x28: 1fffff80007a5de0 x27: dfff800000000000 x26: 0000000000000000 x25: ffff0000c5113e90 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc0003d2ef08 x21: 1fffe00018a227d2 x20: ffff0000f5b0cd30 x19: fffffc0003d2ef00 x18: ffff800011aabce0 x17: ffff8000181e7000 x16: ffff8000082d0ec0 x15: ffff800017cc7fc0 x14: ffff0000d50b0a98 x13: ffff0000d50b0b10 x12: 0000000000ff0100 x11: ff008000086fb4cc x10: 0000000000000000 x9 : ffff8000086fb4cc x8 : ffff0000d50b0000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082e77f8 x2 : 0000000000000001 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 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1729 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: 1046196 hardirqs last enabled at (1046195): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (1046196): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (1046196): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (1046190): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (1046190): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (1046077): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4319 at include/linux/backing-dev.h:247 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 0 PID: 4319 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 Modules linked in: CPU: 0 PID: 4319 Comm: syz-executor Tainted: G W 6.1.148-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_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 sp : ffff800020da7180 x29: ffff800020da7260 x28: dfff800000000000 x27: 0000000000000000 x26: ffff7000041b4e38 x25: 0000000000000000 x24: ffff0000f5b0cd30 x23: ffff800020da71e0 x22: ffff0000c5113ce8 x21: 0000000000000001 x20: fffffc0003d2ef08 x19: fffffc0003d2ef00 x18: ffff800011aabce0 x17: ffff8000181e7000 x16: ffff8000082d0ec0 x15: 0000000000000000 x14: 0000000000000406 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff008000086fd9e4 x10: 0000000000000000 x9 : ffff8000086fd9e4 x8 : ffff0000d50b0000 x7 : ffff8000086fd464 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fd4a4 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_start_writeback+0x868/0xa68 mm/page-writeback.c:3003 set_page_writeback+0x5c/0x7c mm/folio-compat.c:56 gfs2_aspace_writepage+0x520/0x6e8 fs/gfs2/meta_io.c:73 __gfs2_writepage+0x70/0x18c fs/gfs2/log.c:87 write_cache_pages+0x73c/0xdd4 mm/page-writeback.c:2382 gfs2_ail1_start_one fs/gfs2/log.c:143 [inline] gfs2_ail1_flush+0x7c0/0xa00 fs/gfs2/log.c:223 gfs2_ail1_start fs/gfs2/log.c:254 [inline] empty_ail1_list+0x110/0x1ec fs/gfs2/log.c:986 gfs2_log_flush+0x1258/0x1aa0 fs/gfs2/log.c:1131 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1729 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: 1046490 hardirqs last enabled at (1046489): [] folio_memcg_lock+0xe8/0x1fc mm/memcontrol.c:2113 hardirqs last disabled at (1046490): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (1046490): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (1046464): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (1046464): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (1046199): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---