gfs2: fsid=syz:syz.0: first mount done, others may mount ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4025 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 1 PID: 4025 at include/linux/backing-dev.h:289 account_page_dirtied mm/page-writeback.c:2474 [inline] WARNING: CPU: 1 PID: 4025 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 mm/page-writeback.c:2522 Modules linked in: CPU: 1 PID: 4025 Comm: syz-executor101 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 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+0x938/0xc74 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+0x938/0xc74 mm/page-writeback.c:2522 sp : ffff80001f657760 x29: ffff80001f657770 x28: ffff0000ca974000 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffe000180b19d9 x24: 0000000000000000 x23: ffff0000c058cec8 x22: 0000000000000000 x21: 0000000000000001 x20: ffff0000cb37a250 x19: fffffc000325ad80 x18: 1fffe0003685b58e x17: ffff800016ce0000 x16: ffff8000082bdde4 x15: ffff8000167c04c0 x14: ffff0000dc588a00 x13: ffff0000dc588a78 x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000869d9a8 x8 : ffff0000dc588000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000899cc0c x2 : ffff0000cbb70060 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+0x938/0xc74 mm/page-writeback.c:2522 mark_buffer_dirty+0x27c/0x52c fs/buffer.c:1108 gfs2_unpin+0x12c/0xc28 fs/gfs2/lops.c:111 buf_lo_after_commit+0x140/0x188 fs/gfs2/lops.c:750 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x13cc/0x2078 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+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x67c/0x1f58 kernel/exit.c:874 do_group_exit+0x100/0x268 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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 133084 hardirqs last enabled at (133083): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2061 hardirqs last disabled at (133084): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (133084): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (131340): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (131338): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 677540b01121f7fb ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4025 at include/linux/backing-dev.h:289 inode_to_wb include/linux/backing-dev.h:285 [inline] WARNING: CPU: 1 PID: 4025 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 mm/page-writeback.c:2862 Modules linked in: CPU: 1 PID: 4025 Comm: syz-executor101 Tainted: G W 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : inode_to_wb include/linux/backing-dev.h:285 [inline] pc : __test_set_page_writeback+0xa34/0xc34 mm/page-writeback.c:2862 lr : inode_to_wb include/linux/backing-dev.h:285 [inline] lr : __test_set_page_writeback+0xa34/0xc34 mm/page-writeback.c:2862 sp : ffff80001f657140 x29: ffff80001f657220 x28: 0000000000000000 x27: 0000000000000000 x26: ffff0000c058cd20 x25: dfff800000000000 x24: 0000000000000000 x23: ffff0000cb37a250 x22: fffffc000325ad88 x21: ffff80001f6571a0 x20: 1fffff800064b5b1 x19: fffffc000325ad80 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082bdde4 x15: 0000000000000406 x14: 0000000000ff0100 x13: 1ffff0000282a06b x12: 0000000000ff0100 x11: 0000000000000001 x10: 0000000000000000 x9 : ffff8000086a051c x8 : ffff0000dc588000 x7 : ffff80000869fed0 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000869ff98 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: inode_to_wb include/linux/backing-dev.h:285 [inline] __test_set_page_writeback+0xa34/0xc34 mm/page-writeback.c:2862 set_page_writeback include/linux/page-flags.h:582 [inline] gfs2_aspace_writepage+0x548/0x710 fs/gfs2/meta_io.c:73 __writepage+0x70/0x120 mm/page-writeback.c:2342 write_cache_pages+0x7c8/0xde4 mm/page-writeback.c:2277 generic_writepages+0xf4/0x160 mm/page-writeback.c:2368 gfs2_ail1_start_one fs/gfs2/log.c:134 [inline] gfs2_ail1_flush+0x884/0xeac fs/gfs2/log.c:214 gfs2_ail1_start fs/gfs2/log.c:246 [inline] empty_ail1_list+0x100/0x1d4 fs/gfs2/log.c:978 gfs2_log_flush+0x16c0/0x2078 fs/gfs2/log.c:1123 gfs2_kill_sb+0x5c/0xd4 fs/gfs2/ops_fstype.c:1734 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x67c/0x1f58 kernel/exit.c:874 do_group_exit+0x100/0x268 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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 133146 hardirqs last enabled at (133145): [] lock_page_memcg+0x110/0x234 mm/memcontrol.c:2061 hardirqs last disabled at (133146): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (133146): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (133124): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (133124): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (133087): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (133087): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (133087): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (133087): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace 677540b01121f7fc ]---