gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4221 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4221 at include/linux/backing-dev.h:246 folio_account_dirtied mm/page-writeback.c:2565 [inline] WARNING: CPU: 1 PID: 4221 at include/linux/backing-dev.h:246 __folio_mark_dirty+0x878/0xd04 mm/page-writeback.c:2616 Modules linked in: CPU: 1 PID: 4221 Comm: syz-executor416 Not tainted 6.1.83-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 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 : ffff80001dd576c0 x29: ffff80001dd576e0 x28: dfff800000000000 x27: 1fffe00018093932 x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 x23: 0000000000000000 x22: fffffc00035b8b48 x21: 1fffff80006b7168 x20: ffff0000d5138c48 x19: fffffc00035b8b40 x18: ffff80001dd573a0 x17: ffff8000188cc000 x16: ffff800008303388 x15: ffff8000183b1f80 x14: ffff0000d7242638 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008773ad0 x8 : ffff0000d7241bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008af72b4 x2 : ffff0000ce19e060 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 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 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: 122686 hardirqs last enabled at (122685): [] folio_memcg_lock+0xf4/0x20c mm/memcontrol.c:2110 hardirqs last disabled at (122686): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (122686): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (122154): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (122154): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (122145): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4221 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 4221 at include/linux/backing-dev.h:246 __folio_start_writeback+0x8fc/0xaf8 mm/page-writeback.c:2981 Modules linked in: CPU: 1 PID: 4221 Comm: syz-executor416 Tainted: G W 6.1.83-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 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 : ffff80001dd57140 x29: ffff80001dd57220 x28: 0000000000000000 x27: ffff700003baae30 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000d5138c40 x23: ffff80001dd571a0 x22: ffff0000c049c7e8 x21: 0000000000000001 x20: fffffc00035b8b48 x19: fffffc00035b8b40 x18: ffff80001dd57480 x17: ffff8000188cc000 x16: ffff800008303388 x15: 0000000000000000 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000087760b0 x8 : ffff0000d7241bc0 x7 : ffff800008775b0c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008775b4c 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 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1028 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 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: 122730 hardirqs last enabled at (122729): [] folio_memcg_lock+0xf4/0x20c mm/memcontrol.c:2110 hardirqs last disabled at (122730): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (122730): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (122712): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (122712): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (122689): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---