================================ WARNING: inconsistent lock state 6.2.0-syzkaller-06742-g307e14c03906 #0 Not tainted -------------------------------- inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. syz-executor.1/27002 [HC0[0]:SC0[0]:HE1:SE1] takes: ffffffff81fa11b1 (&obj_hash[i].lock){?.-.}-{2:2}, at: 0xee13a8ffb5cd3747 {IN-HARDIRQ-W} state was registered at: lock_acquire+0x23e/0x630 kernel/locking/lockdep.c:5669 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 debug_object_assert_init+0x6e/0x240 lib/debugobjects.c:881 debug_timer_assert_init kernel/time/timer.c:792 [inline] debug_assert_init kernel/time/timer.c:837 [inline] add_timer_on+0xbd/0x5a0 kernel/time/timer.c:1262 handle_irq_event_percpu kernel/irq/handle.c:195 [inline] handle_irq_event+0xad/0x1f0 kernel/irq/handle.c:210 handle_level_irq+0x3af/0x6d0 kernel/irq/chip.c:650 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xdb/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0xa3/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:640 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 __setup_irq+0x12fa/0x1d90 kernel/irq/manage.c:1812 request_threaded_irq+0x2ab/0x380 kernel/irq/manage.c:2201 request_irq include/linux/interrupt.h:168 [inline] setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70 x86_late_time_init+0x55/0xa0 arch/x86/kernel/time.c:94 start_kernel+0x3f8/0x530 init/main.c:1112 secondary_startup_64_no_verify+0xcf/0xdb irq event stamp: 12225 hardirqs last enabled at (12225): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (12225): [] finish_lock_switch+0x93/0x110 kernel/sched/core.c:5062 hardirqs last disabled at (12224): [] __schedule+0x32e/0x4990 kernel/sched/core.c:6521 softirqs last enabled at (10910): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (10910): [] __irq_exit_rcu+0x159/0x240 kernel/softirq.c:650 softirqs last disabled at (10813): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (10813): [] __irq_exit_rcu+0x159/0x240 kernel/softirq.c:650 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&obj_hash[i].lock); lock(&obj_hash[i].lock); *** DEADLOCK *** 1 lock held by syz-executor.1/27002: #0: ffff8880765fc0e0 (&type->s_umount_key#61/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228 stack backtrace: CPU: 0 PID: 27002 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-06742-g307e14c03906 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 valid_state+0x136/0x1c0 kernel/locking/lockdep.c:3976 mark_lock_irq+0xac/0xbb0 kernel/locking/lockdep.c:4179 mark_lock+0x21c/0x340 kernel/locking/lockdep.c:4635 mark_usage kernel/locking/lockdep.c:4544 [inline] __lock_acquire+0xc0d/0x1f80 kernel/locking/lockdep.c:5010 lock_acquire+0x23e/0x630 kernel/locking/lockdep.c:5669 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] inode_sb_list_del fs/inode.c:503 [inline] evict+0x161/0x620 fs/inode.c:654 ntfs_fill_super+0x3ffc/0x47f0 fs/ntfs3/super.c:1239 get_tree_bdev+0x402/0x620 fs/super.c:1294 vfs_get_tree+0x8c/0x270 fs/super.c:1501 do_new_mount+0x28f/0xae0 fs/namespace.c:3031 do_mount fs/namespace.c:3374 [inline] __do_sys_mount fs/namespace.c:3583 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3560 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9a3188d62a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9a325d3f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f7f7 RCX: 00007f9a3188d62a RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007f9a325d3fe0 RBP: 00007f9a325d4020 R08: 00007f9a325d4020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f800 R13: 000000002001f840 R14: 00007f9a325d3fe0 R15: 000000002001f880