gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4223 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4223 at include/linux/backing-dev.h:246 folio_account_dirtied mm/page-writeback.c:2565 [inline] WARNING: CPU: 1 PID: 4223 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x878/0xd04 mm/page-writeback.c:2616 Modules linked in: CPU: 1 PID: 4223 Comm: syz-executor399 Not tainted 6.1.85-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 804000c5 (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:2565 [inline] pc : __folio_mark_dirty+0x878/0xd04 mm/page-writeback.c:2616 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : folio_account_dirtied mm/page-writeback.c:2565 [inline] lr : __folio_mark_dirty+0x878/0xd04 mm/page-writeback.c:2616 sp : ffff80001dcc7300 x29: ffff80001dcc7320 x28: dfff800000000000 x27: 1fffe00018092932 x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc00032d7fc8 x21: 1fffff800065aff8 x20: ffff0000d1ace258 x19: fffffc00032d7fc0 x18: 1fffe0003686f976 x17: ffff80001583d000 x16: ffff8000083043c4 x15: ffff0001b437cbbc x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008775c1c x8 : ffff0000d6185340 x7 : ffff8000087753ec x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008af92ac x2 : ffff0000ce8da060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] folio_account_dirtied mm/page-writeback.c:2565 [inline] __folio_mark_dirty+0x878/0xd04 mm/page-writeback.c:2616 __set_page_dirty include/linux/pagemap.h:1088 [inline] mark_buffer_dirty+0x2c0/0x624 fs/buffer.c:1105 gfs2_unpin+0x120/0x954 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xcac/0x1c80 fs/gfs2/log.c:1116 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1732 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 get_signal+0x14a0/0x158c kernel/signal.c:2862 do_signal arch/arm64/kernel/signal.c:1076 [inline] do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129 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_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 115766 hardirqs last enabled at (115765): [] folio_memcg_lock+0xf4/0x20c mm/memcontrol.c:2110 hardirqs last disabled at (115766): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (115766): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (115272): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (115272): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (115267): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4223 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4223 at include/linux/backing-dev.h:246 __folio_start_writeback+0x8fc/0xaf8 mm/page-writeback.c:2981 Modules linked in: CPU: 1 PID: 4223 Comm: syz-executor399 Tainted: G W 6.1.85-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:243 [inline] pc : __folio_start_writeback+0x8fc/0xaf8 mm/page-writeback.c:2981 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_start_writeback+0x8fc/0xaf8 mm/page-writeback.c:2981 sp : ffff80001dcc6d80 x29: ffff80001dcc6e60 x28: 0000000000000000 x27: ffff700003b98db8 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000d1ace250 x23: ffff80001dcc6de0 x22: ffff0000c04947e8 x21: 0000000000000001 x20: fffffc00032d7fc8 x19: fffffc00032d7fc0 x18: ffff80001dcc6ee0 x17: ffff8000188cc000 x16: ffff8000083043c4 x15: 0000000000000000 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000087781fc x8 : ffff0000d6185340 x7 : ffff800008777c58 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008777c98 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_start_writeback+0x8fc/0xaf8 mm/page-writeback.c:2981 set_page_writeback+0x5c/0x7c mm/folio-compat.c:56 gfs2_aspace_writepage+0x524/0x6f8 fs/gfs2/meta_io.c:73 __gfs2_writepage+0x70/0x18c fs/gfs2/log.c:87 write_cache_pages+0x7fc/0xf60 mm/page-writeback.c:2360 gfs2_ail1_start_one fs/gfs2/log.c:143 [inline] gfs2_ail1_flush+0x7bc/0xa40 fs/gfs2/log.c:223 gfs2_ail1_start fs/gfs2/log.c:254 [inline] empty_ail1_list+0x150/0x234 fs/gfs2/log.c:986 gfs2_log_flush+0x1390/0x1c80 fs/gfs2/log.c:1131 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1732 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xf0/0x110 fs/super.c:363 cleanup_mnt+0x394/0x41c fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x240/0x2f0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x554/0x1a88 kernel/exit.c:869 do_group_exit+0x194/0x22c kernel/exit.c:1019 get_signal+0x14a0/0x158c kernel/signal.c:2862 do_signal arch/arm64/kernel/signal.c:1076 [inline] do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129 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_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 115822 hardirqs last enabled at (115821): [] folio_memcg_lock+0xf4/0x20c mm/memcontrol.c:2110 hardirqs last disabled at (115822): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (115822): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (115788): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (115788): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (115769): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---