gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6397 at include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 6397 at include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2743 [inline] WARNING: CPU: 0 PID: 6397 at include/linux/backing-dev.h:254 __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 Modules linked in: CPU: 0 UID: 0 PID: 6397 Comm: syz-executor844 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:251 [inline] pc : folio_account_dirtied mm/page-writeback.c:2743 [inline] pc : __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 lr : inode_to_wb include/linux/backing-dev.h:251 [inline] lr : folio_account_dirtied mm/page-writeback.c:2743 [inline] lr : __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 sp : ffff8000a0817690 x29: ffff8000a08176b0 x28: dfff800000000000 x27: 1fffe000182a8831 x26: 0000000000000000 x25: ffff0000c1544188 x24: 0000000000000001 x23: 0000000000000000 x22: fffffdffc3404148 x21: 05ffc00000004130 x20: ffff0000d545e258 x19: fffffdffc3404140 x18: ffff8000a0817360 x17: 000000000000d700 x16: ffff800080343fdc x15: 0000000000000001 x14: 1fffe000182a8831 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000182a8832 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d8258000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800080c2d248 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:251 [inline] folio_account_dirtied mm/page-writeback.c:2743 [inline] __folio_mark_dirty+0x838/0xc30 mm/page-writeback.c:2797 mark_buffer_dirty+0x228/0x4d8 fs/buffer.c:1205 gfs2_unpin+0x120/0x954 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:738 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0xb68/0x1a7c fs/gfs2/log.c:1123 gfs2_kill_sb+0x68/0x330 fs/gfs2/ops_fstype.c:1774 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380 task_work_run+0x230/0x2e0 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x4ec/0x1ad0 kernel/exit.c:882 do_group_exit+0x194/0x22c kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1040 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 111046 hardirqs last enabled at (111045): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1427 [inline] hardirqs last enabled at (111045): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:4942 hardirqs last disabled at (111046): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (111046): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (109310): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (109310): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (109291): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6397 at include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 6397 at include/linux/backing-dev.h:254 __folio_start_writeback+0x878/0xab0 mm/page-writeback.c:3137 Modules linked in: CPU: 0 UID: 0 PID: 6397 Comm: syz-executor844 Tainted: G W 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:251 [inline] pc : __folio_start_writeback+0x878/0xab0 mm/page-writeback.c:3137 lr : inode_to_wb include/linux/backing-dev.h:251 [inline] lr : __folio_start_writeback+0x878/0xab0 mm/page-writeback.c:3137 sp : ffff8000a0817120 x29: ffff8000a0817200 x28: 0000000000000000 x27: ffff0000c1543fe8 x26: 0000000000000000 x25: 1fffe0001aa8bc4a x24: ffff0000d545e250 x23: ffff8000a0817180 x22: dfff800000000000 x21: 0000000000000001 x20: fffffdffc3404148 x19: fffffdffc3404140 x18: ffff8000a0817240 x17: 000000000000d85f x16: ffff800080343fdc x15: 0000000000000001 x14: 1fffffbff8680828 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7fbff8680829 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d8258000 x7 : ffff8000808590f4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800080859130 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:251 [inline] __folio_start_writeback+0x878/0xab0 mm/page-writeback.c:3137 gfs2_aspace_writepage+0x3e0/0x534 fs/gfs2/meta_io.c:73 __gfs2_writepage+0x70/0x18c fs/gfs2/log.c:87 write_cache_pages+0xc8/0x20c mm/page-writeback.c:2640 gfs2_ail1_start_one fs/gfs2/log.c:143 [inline] gfs2_ail1_flush+0x770/0x9ec fs/gfs2/log.c:223 gfs2_ail1_start fs/gfs2/log.c:254 [inline] empty_ail1_list+0x164/0x340 fs/gfs2/log.c:986 gfs2_log_flush+0x1408/0x1a7c fs/gfs2/log.c:1138 gfs2_kill_sb+0x68/0x330 fs/gfs2/ops_fstype.c:1774 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380 task_work_run+0x230/0x2e0 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x4ec/0x1ad0 kernel/exit.c:882 do_group_exit+0x194/0x22c kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1040 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 111094 hardirqs last enabled at (111093): [] lruvec_stat_mod_folio include/linux/vmstat.h:556 [inline] hardirqs last enabled at (111093): [] folio_clear_dirty_for_io+0x364/0x700 mm/page-writeback.c:3037 hardirqs last disabled at (111094): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (111094): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162 softirqs last enabled at (111080): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (111080): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (111049): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---