gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3080 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 1 PID: 3080 at include/linux/backing-dev.h:246 folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2565 Modules linked in: CPU: 1 PID: 3080 Comm: syz-executor901 Not tainted 6.1.0-rc7-syzkaller-33054-gcdb931b58ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 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+0x3b0/0x650 mm/page-writeback.c:2565 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2565 sp : ffff80000ff5ba10 x29: ffff80000ff5ba10 x28: ffff0000cbbeced0 x27: ffff80000d625000 x26: 000000000000054a x25: ffff8000092815f0 x24: 000000000000000a x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000001 x20: ffff0000c55c1060 x19: fffffc00032e48c0 x18: 00000000000000c0 x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c7103480 x14: ffff80000dda8198 x13: ffff80000dbe6158 x12: ffff0000c7103480 x11: ff808000083f0dcc x10: 0000000000000000 x9 : ffff8000083f0dcc x8 : ffff0000c7103480 x7 : ffff8000083f08d0 x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff80000ff5b800 x3 : 0000000000000000 x2 : ffff0000c3d94060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] folio_account_dirtied+0x3b0/0x650 mm/page-writeback.c:2565 __folio_mark_dirty+0xbc/0x180 mm/page-writeback.c:2616 __set_page_dirty include/linux/pagemap.h:1053 [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:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x2dc/0xcac kernel/exit.c:820 __arm64_sys_exit_group+0x0/0x18 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __wake_up_parent+0x0/0x40 kernel/exit.c:959 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 138442 hardirqs last enabled at (138441): [] folio_memcg_lock+0xe4/0x188 mm/memcontrol.c:2110 hardirqs last disabled at (138442): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (138442): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (136874): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (136872): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3080 at include/linux/backing-dev.h:246 inode_to_wb include/linux/backing-dev.h:243 [inline] WARNING: CPU: 0 PID: 3080 at include/linux/backing-dev.h:246 __folio_start_writeback+0x320/0x86c mm/page-writeback.c:2981 Modules linked in: CPU: 0 PID: 3080 Comm: syz-executor901 Tainted: G W 6.1.0-rc7-syzkaller-33054-gcdb931b58ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 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+0x320/0x86c mm/page-writeback.c:2981 lr : inode_to_wb include/linux/backing-dev.h:243 [inline] lr : __folio_start_writeback+0x320/0x86c mm/page-writeback.c:2981 sp : ffff80000ff5b630 x29: ffff80000ff5b670 x28: 05ffc00000002039 x27: 0000000000000000 x26: 0000000000000000 x25: ffff0000c55c1060 x24: ffff0000c9ea1f80 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000001 x19: fffffc00032e48c0 x18: 00000000000000c0 x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c7103480 x14: 0000000000000050 x13: 00000000ffffffff x12: ffff0000c7103480 x11: ff808000083f298c x10: 0000000000000000 x9 : ffff8000083f298c x8 : ffff0000c7103480 x7 : ffff8000083f2770 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:243 [inline] __folio_start_writeback+0x320/0x86c mm/page-writeback.c:2981 set_page_writeback+0x3c/0xc0 mm/folio-compat.c:56 gfs2_aspace_writepage+0x340/0x648 fs/gfs2/meta_io.c:73 __writepage+0x38/0x124 mm/page-writeback.c:2425 write_cache_pages+0x35c/0x8bc mm/page-writeback.c:2360 generic_writepages mm/page-writeback.c:2451 [inline] do_writepages+0x180/0x27c mm/page-writeback.c:2471 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:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x2dc/0xcac kernel/exit.c:820 __arm64_sys_exit_group+0x0/0x18 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __wake_up_parent+0x0/0x40 kernel/exit.c:959 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 138562 hardirqs last enabled at (138561): [] folio_memcg_lock+0xe4/0x188 mm/memcontrol.c:2110 hardirqs last disabled at (138562): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (138562): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (138534): [] _stext+0x2e4/0x37c softirqs last disabled at (138445): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---