gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4020 at include/linux/backing-dev.h:288 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 0 PID: 4020 at include/linux/backing-dev.h:288 account_page_dirtied mm/page-writeback.c:2474 [inline] WARNING: CPU: 0 PID: 4020 at include/linux/backing-dev.h:288 __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 Modules linked in: CPU: 0 PID: 4020 Comm: syz-executor127 Not tainted 5.15.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:285 [inline] pc : account_page_dirtied mm/page-writeback.c:2474 [inline] pc : __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 lr : inode_to_wb include/linux/backing-dev.h:285 [inline] lr : account_page_dirtied mm/page-writeback.c:2474 [inline] lr : __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 sp : ffff80001f9a7720 x29: ffff80001f9a7730 x28: 0000000000000000 x27: 1fffe0001b068054 x26: dfff800000000000 x25: 1fffe00018a3c861 x24: 0000000000000000 x23: ffff0000c51e4308 x22: 0000000000000000 x21: 0000000000000003 x20: ffff0000d83402a8 x19: fffffc00033bfdc0 x18: ffff80001f9a7400 x17: 1fffe00036831f8e x16: ffff8000082eada8 x15: 000000000000c8c5 x14: 000000002a657374 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000cb100000 x8 : ffff800008709f94 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000177908c0 x4 : 0000000000000008 x3 : ffff800008a3a5a0 x2 : ffff0000cb296060 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:285 [inline] account_page_dirtied mm/page-writeback.c:2474 [inline] __set_page_dirty+0x8f8/0xc7c mm/page-writeback.c:2522 mark_buffer_dirty+0x27c/0x574 fs/buffer.c:1108 gfs2_unpin+0x12c/0xcc0 fs/gfs2/lops.c:111 buf_lo_after_commit+0x134/0x18c fs/gfs2/lops.c:750 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0xd50/0x21d4 fs/gfs2/log.c:1108 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1734 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0x108/0x128 fs/super.c:366 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x130/0x1e4 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x670/0x20bc kernel/exit.c:874 do_group_exit+0x110/0x268 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1005 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 144358 hardirqs last enabled at (144357): [] lock_page_memcg+0x11c/0x244 mm/memcontrol.c:2056 hardirqs last disabled at (144358): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (144358): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (141800): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (141798): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 85ae6b689965bc0f ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4020 at include/linux/backing-dev.h:288 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 0 PID: 4020 at include/linux/backing-dev.h:288 __test_set_page_writeback+0xa58/0xc70 mm/page-writeback.c:2862 Modules linked in: CPU: 0 PID: 4020 Comm: syz-executor127 Tainted: G W 5.15.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIO