gfs2: fsid=loop0.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4402 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 1 PID: 4402 at include/linux/backing-dev.h:256 folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 Modules linked in: CPU: 1 PID: 4402 Comm: syz-executor174 Not tainted 6.2.0-rc2-syzkaller-16046-gae87308093bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:253 [inline] pc : folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 sp : ffff80000fe83900 x29: ffff80000fe83900 x28: ffff0000c99eeed0 x27: ffff80000d7b4000 x26: 0000000000000177 x25: ffff80000929da24 x24: 000000000000000f x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 x20: ffff0000c309afe0 x19: fffffc00032e68c0 x18: 0000000000000379 x17: ffff80000df38158 x16: ffff80000dd76118 x15: ffff0000c90cb400 x14: 0000000000000050 x13: 00000000ffffffff x12: ffff0000c90cb400 x11: ff808000083ff62c x10: 0000000000000000 x9 : ffff8000083ff62c x8 : ffff0000c90cb400 x7 : ffff8000083ff130 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000c441d060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2677 __folio_mark_dirty+0xbc/0x180 mm/page-writeback.c:2728 __set_page_dirty include/linux/pagemap.h:1052 [inline] mark_buffer_dirty+0x148/0x368 fs/buffer.c:1105 gfs2_unpin+0xc4/0x31c fs/gfs2/lops.c:111 buf_lo_after_commit+0x70/0xac fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x6a4/0xc98 fs/gfs2/log.c:1107 gfs2_kill_sb+0x38/0x78 fs/gfs2/ops_fstype.c:1732 deactivate_locked_super+0x70/0xe8 fs/super.c:332 deactivate_super+0xd0/0xd4 fs/super.c:363 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1291 __cleanup_mnt+0x20/0x30 fs/namespace.c:1298 task_work_run+0x100/0x148 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x2b8/0xc2c kernel/exit.c:867 do_group_exit+0x98/0xcc kernel/exit.c:1012 get_signal+0xac4/0xb34 kernel/signal.c:2859 do_signal+0xd4/0x438 arch/arm64/kernel/signal.c:1081 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1134 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+0xb8/0x16c arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 108212 hardirqs last enabled at (108211): [] folio_memcg_lock+0xe4/0x188 mm/memcontrol.c:2115 hardirqs last disabled at (108212): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (108212): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (106428): [] _stext+0x2e4/0x37c softirqs last disabled at (106411): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4402 at include/linux/backing-dev.h:256 inode_to_wb include/linux/backing-dev.h:253 [inline] WARNING: CPU: 0 PID: 4402 at include/linux/backing-dev.h:256 __folio_start_writeback+0x320/0x86c mm/page-writeback.c:3093 Modules linked in: CPU: 0 PID: 4402 Comm: syz-executor174 Tainted: G W 6.2.0-rc2-syzkaller-16046-gae87308093bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:253 [inline] pc : __folio_start_writeback+0x320/0x86c mm/page-writeback.c:3093 lr : inode_to_wb include/linux/backing-dev.h:253 [inline] lr : __folio_start_writeback+0x320/0x86c mm/page-writeback.c:3093 sp : ffff80000fe83520 x29: ffff80000fe83560 x28: 05ffc00000002039 x27: 0000000000000000 x26: 0000000000000000 x25: ffff0000c309afe0 x24: ffff0000ce2c5f80 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000001 x19: fffffc00032e68c0 x18: 00000000000003ab x17: ffff80000c15d8bc x16: ffff80000dd76118 x15: ffff0000c90cb400 x14: 0000000000000050 x13: 00000000ffffffff x12: ffff0000c90cb400 x11: ff808000084011ec x10: 0000000000000000 x9 : ffff8000084011ec x8 : ffff0000c90cb400 x7 : ffff800008400fd0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:253 [inline] __folio_start_writeback+0x320/0x86c mm/page-writeback.c:3093 set_page_writeback+0x3c/0xc0 mm/folio-compat.c:50 gfs2_aspace_writepage+0x340/0x648 fs/gfs2/meta_io.c:73 __writepage+0x38/0x124 mm/page-writeback.c:2537 write_cache_pages+0x35c/0x8bc mm/page-writeback.c:2472 generic_writepages mm/page-writeback.c:2563 [inline] do_writepages+0x180/0x27c mm/page-writeback.c:2583 filemap_fdatawrite_wbc+0xac/0xd0 mm/filemap.c:388 gfs2_ail1_start_one+0x3d8/0x498 fs/gfs2/log.c:134 gfs2_ail1_flush+0xe0/0x21c fs/gfs2/log.c:214 gfs2_ail1_start fs/gfs2/log.c:245 [inline] empty_ail1_list+0x90/0x124 fs/gfs2/log.c:977 gfs2_log_flush+0xa30/0xc98 fs/gfs2/log.c:1122 gfs2_kill_sb+0x38/0x78 fs/gfs2/ops_fstype.c:1732 deactivate_locked_super+0x70/0xe8 fs/super.c:332 deactivate_super+0xd0/0xd4 fs/super.c:363 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1291 __cleanup_mnt+0x20/0x30 fs/namespace.c:1298 task_work_run+0x100/0x148 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x2b8/0xc2c kernel/exit.c:867 do_group_exit+0x98/0xcc kernel/exit.c:1012 get_signal+0xac4/0xb34 kernel/signal.c:2859 do_signal+0xd4/0x438 arch/arm64/kernel/signal.c:1081 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1134 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+0xb8/0x16c arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 108284 hardirqs last enabled at (108283): [] folio_memcg_lock+0xe4/0x188 mm/memcontrol.c:2115 hardirqs last disabled at (108284): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (108284): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (108232): [] _stext+0x2e4/0x37c softirqs last disabled at (108215): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---