======================================
| [ 12.404757][ C3] 1 lock held by systemd-udevd/125:
| [ 12.404961][ C3] #0: ffffffff98f74480 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562)
| [ 12.405342][ C3]
| [ 12.405342][ C3] stack backtrace:
[ 12.405599][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.405602][ C3] Call Trace:
[ 12.405603][ C3]
[ 12.405605][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 12.405612][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046)
[ 12.405617][ C3] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268)
[ 12.405621][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469)
[ 12.405625][ C3] ? save_trace (kernel/locking/lockdep.c:594)
[ 12.405631][ C3] mark_lock (kernel/locking/lockdep.c:4754)
[ 12.405634][ C3] mark_usage (kernel/locking/lockdep.c:4643)
[ 12.405636][ C3] __lock_acquire (kernel/locking/lockdep.c:5189)
[ 12.405641][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868)
[ 12.405644][ C3] ? simple_pin_fs (fs/libfs.c:1066)
[ 12.405649][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.405652][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829)
[ 12.405654][ C3] ? simple_pin_fs (fs/libfs.c:1066)
[ 12.405658][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 12.405662][ C3] ? simple_pin_fs (fs/libfs.c:1066)
[ 12.405665][ C3] simple_pin_fs (fs/libfs.c:1066)
[ 12.405668][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799)
[ 12.405672][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195)
[ 12.405678][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253)
[ 12.405681][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2333)
[ 12.405686][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.405690][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189)
[ 12.405693][ C3] ? irq_exit_rcu (kernel/softirq.c:698)
[ 12.405696][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)
[ 12.405700][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 12.405705][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 12.405708][ C3] ? __delete_object (./arch/x86/include/asm/atomic.h:67 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 3) mm/kmemleak.c:550 (discriminator 3) mm/kmemleak.c:818 (discriminator 3))
[ 12.405713][ C3] ? kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744)
[ 12.405717][ C3] ? fput_close (fs/file_table.c:580)
[ 12.405722][ C3] ? path_openat (fs/namei.c:4049)
[ 12.405726][ C3] ? do_filp_open (fs/namei.c:4066)
[ 12.405730][ C3] ? do_sys_openat2 (fs/open.c:1429)
[ 12.405735][ C3] ? __x64_sys_openat (fs/open.c:1455)
[ 12.405742][ C3] __put_net (net/core/net_namespace.c:732)
[ 12.405748][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333)
[ 12.405753][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.405757][ C3] rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.405761][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348)
[ 12.405765][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492)
[ 12.405769][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.405772][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1))
[ 12.405775][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 12.405780][ C3] rcu_core (kernel/rcu/tree.c:2826)
[ 12.405784][ C3] handle_softirqs (kernel/softirq.c:579)
[ 12.405788][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680)
[ 12.405791][ C3] irq_exit_rcu (kernel/softirq.c:698)
[ 12.405794][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)
[ 12.405797][ C3]
[ 12.405798][ C3]
[ 12.405799][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 12.405802][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 12.405806][ C3] Code: 74 24 10 e8 91 1e 85 fd 48 89 ef e8 09 71 85 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 2a 79 79 fd 65 8b 05 83 38 98 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: 91 xchg %eax,%ecx
5: 1e (bad)
6: 85 fd test %edi,%ebp
8: 48 89 ef mov %rbp,%rdi
b: e8 09 71 85 fd call 0xfffffffffd857119
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 29 jne 0x41
18: 9c pushf
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 35 jne 0x54
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
2a:* e8 2a 79 79 fd call 0xfffffffffd797959 <-- trapping instruction
2f: 65 8b 05 83 38 98 02 mov %gs:0x2983883(%rip),%eax # 0x29838b9
36: 85 c0 test %eax,%eax
38: 74 0e je 0x48
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 ret
3d: cc int3
3e: cc int3
3f: cc int3
Code starting with the faulting instruction
===========================================
0: e8 2a 79 79 fd call 0xfffffffffd79792f
5: 65 8b 05 83 38 98 02 mov %gs:0x2983883(%rip),%eax # 0x298388f
c: 85 c0 test %eax,%eax
e: 74 0e je 0x1e
10: 5b pop %rbx
11: 5d pop %rbp
12: c3 ret
13: cc int3
14: cc int3
15: cc int3
[ 12.405809][ C3] RSP: 0018:ffffc900006f7a28 EFLAGS: 00000206
[ 12.405812][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: ffffffff95a364df
[ 12.405814][ C3] RDX: 0000000000000000 RSI: ffffffff98a881e1 RDI: 0000000000000001
[ 12.405816][ C3] RBP: ffff888005edeb00 R08: 0000000000000001 R09: 0000000000000001
[ 12.405818][ C3] R10: ffffffff999d9497 R11: 0000000000000000 R12: ffffea0000264200
[ 12.405820][ C3] R13: 0000000000006397 R14: 0000000000000000 R15: ffff8880019b76c0
[ 12.405824][ C3] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40)
[ 12.405830][ C3] __delete_object (./arch/x86/include/asm/atomic.h:67 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 3) mm/kmemleak.c:550 (discriminator 3) mm/kmemleak.c:818 (discriminator 3))
[ 12.405833][ C3] kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744)
[ 12.405836][ C3] ? fput_close (fs/file_table.c:580)
[ 12.405840][ C3] fput_close (fs/file_table.c:580)
[ 12.405843][ C3] ? __pfx_fput_close (fs/file_table.c:580)
[ 12.405847][ C3] ? path_lookupat (fs/namei.c:2679)
[ 12.405851][ C3] path_openat (fs/namei.c:4049)
[ 12.405855][ C3] ? __pfx_path_openat (fs/namei.c:4021)
[ 12.405857][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877)
[ 12.405862][ C3] do_filp_open (fs/namei.c:4066)
[ 12.405865][ C3] ? __pfx_do_filp_open (fs/namei.c:4060)
[ 12.405871][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348)
[ 12.405875][ C3] ? alloc_fd (fs/file.c:597)
[ 12.405878][ C3] ? __lock_release (kernel/locking/lockdep.c:5534)
[ 12.405882][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 12.405886][ C3] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 12.405889][ C3] ? alloc_fd (fs/file.c:597)
[ 12.405893][ C3] do_sys_openat2 (fs/open.c:1429)
[ 12.405897][ C3] ? __pfx_do_sys_openat2 (fs/open.c:1414)
[ 12.405900][ C3] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537)
[ 12.405904][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.405906][ C3] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3107)
[ 12.405909][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 12.405914][ C3] __x64_sys_openat (fs/open.c:1455)
[ 12.405917][ C3] ? fput_close_sync (fs/file_table.c:568)
[ 12.405921][ C3] ? __pfx___x64_sys_openat (fs/open.c:1455)
[ 12.405926][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.405928][ C3] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:198 arch/x86/entry/syscall_64.c:90)
[ 12.405933][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 12.405937][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 12.405940][ C3] RIP: 0033:0x7f221b16f9a6
[ 12.405947][ C3] Code: Unable to access opcode bytes at 0x7f221b16f97c.
Code starting with the faulting instruction
===========================================
[ 12.405948][ C3] RSP: 002b:00007ffc1479eb00 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 12.405951][ C3] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f221b16f9a6
[ 12.405953][ C3] RDX: 00000000002a0000 RSI: 000055732386fae0 RDI: 000000000000000d
[ 12.405955][ C3] RBP: 00007ffc1479ed60 R08: 0000000000000011 R09: 0000000000000020
[ 12.405957][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011
[ 12.405958][ C3] R13: 0000000000000000 R14: 000000000000000d R15: 000055732388e290
| [ 12.429032][ C3] RCU nest depth: 0, expected: 0
| [ 12.429209][ C3] INFO: lockdep is turned off.
| [ 12.429407][ C3] Preemption disabled at:
| [ 12.429409][ C3] 0x0
[ 12.429734][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.429736][ C3] Call Trace:
[ 12.429737][ C3]
[ 12.429739][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 12.429747][ C3] __might_resched (kernel/sched/core.c:8819)
[ 12.429754][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576)
[ 12.429758][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575)
[ 12.429760][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610)
[ 12.429765][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.429769][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 12.429774][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616)
[ 12.429777][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780)
[ 12.429782][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 12.429787][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799)
[ 12.429790][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195)
[ 12.429795][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253)
[ 12.429799][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2333)
[ 12.429803][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.429808][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189)
[ 12.429811][ C3] ? irq_exit_rcu (kernel/softirq.c:698)
[ 12.429815][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)
[ 12.429819][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 12.429823][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 12.429827][ C3] ? __delete_object (./arch/x86/include/asm/atomic.h:67 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 3) mm/kmemleak.c:550 (discriminator 3) mm/kmemleak.c:818 (discriminator 3))
[ 12.429830][ C3] ? kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744)
[ 12.429833][ C3] ? fput_close (fs/file_table.c:580)
[ 12.429838][ C3] ? path_openat (fs/namei.c:4049)
[ 12.429843][ C3] ? do_filp_open (fs/namei.c:4066)
[ 12.429845][ C3] ? do_sys_openat2 (fs/open.c:1429)
[ 12.429849][ C3] ? __x64_sys_openat (fs/open.c:1455)
[ 12.429854][ C3] __put_net (net/core/net_namespace.c:732)
[ 12.429858][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333)
[ 12.429861][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.429865][ C3] rcu_do_batch (kernel/rcu/tree.c:2568)
[ 12.429869][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348)
[ 12.429874][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492)
[ 12.429878][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.429881][ C3] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1))
[ 12.429884][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 12.429889][ C3] rcu_core (kernel/rcu/tree.c:2826)
[ 12.429893][ C3] handle_softirqs (kernel/softirq.c:579)
[ 12.429898][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680)
[ 12.429900][ C3] irq_exit_rcu (kernel/softirq.c:698)
[ 12.429903][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)
[ 12.429906][ C3]
[ 12.429907][ C3]
[ 12.429908][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 12.429911][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 12.429915][ C3] Code: 74 24 10 e8 91 1e 85 fd 48 89 ef e8 09 71 85 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 2a 79 79 fd 65 8b 05 83 38 98 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: 91 xchg %eax,%ecx
5: 1e (bad)
6: 85 fd test %edi,%ebp
8: 48 89 ef mov %rbp,%rdi
b: e8 09 71 85 fd call 0xfffffffffd857119
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 29 jne 0x41
18: 9c pushf
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 35 jne 0x54
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
2a:* e8 2a 79 79 fd call 0xfffffffffd797959 <-- trapping instruction
2f: 65 8b 05 83 38 98 02 mov %gs:0x2983883(%rip),%eax # 0x29838b9
36: 85 c0 test %eax,%eax
38: 74 0e je 0x48
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 ret
3d: cc int3
3e: cc int3
3f: cc int3
Code starting with the faulting instruction
===========================================
0: e8 2a 79 79 fd call 0xfffffffffd79792f
5: 65 8b 05 83 38 98 02 mov %gs:0x2983883(%rip),%eax # 0x298388f
c: 85 c0 test %eax,%eax
e: 74 0e je 0x1e
10: 5b pop %rbx
11: 5d pop %rbp
12: c3 ret
13: cc int3
14: cc int3
15: cc int3
[ 12.429917][ C3] RSP: 0018:ffffc900006f7a28 EFLAGS: 00000206
[ 12.429920][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: ffffffff95a364df
[ 12.429922][ C3] RDX: 0000000000000000 RSI: ffffffff98a881e1 RDI: 0000000000000001
[ 12.429924][ C3] RBP: ffff888005edeb00 R08: 0000000000000001 R09: 0000000000000001
[ 12.429926][ C3] R10: ffffffff999d9497 R11: 0000000000000000 R12: ffffea0000264200
[ 12.429927][ C3] R13: 0000000000006397 R14: 0000000000000000 R15: ffff8880019b76c0
[ 12.429931][ C3] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:587 ./include/linux/cpumask.h:1143 ./include/trace/events/preemptirq.h:40)
[ 12.429937][ C3] __delete_object (./arch/x86/include/asm/atomic.h:67 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 3) mm/kmemleak.c:550 (discriminator 3) mm/kmemleak.c:818 (discriminator 3))
[ 12.429940][ C3] kmem_cache_free (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4744)
[ 12.429942][ C3] ? fput_close (fs/file_table.c:580)
[ 12.429947][ C3] fput_close (fs/file_table.c:580)
[ 12.429950][ C3] ? __pfx_fput_close (fs/file_table.c:580)
[ 12.429953][ C3] ? path_lookupat (fs/namei.c:2679)
[ 12.429958][ C3] path_openat (fs/namei.c:4049)
[ 12.429961][ C3] ? __pfx_path_openat (fs/namei.c:4021)
[ 12.429964][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877)
[ 12.429969][ C3] do_filp_open (fs/namei.c:4066)
[ 12.429972][ C3] ? __pfx_do_filp_open (fs/namei.c:4060)
[ 12.429978][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348)
[ 12.429982][ C3] ? alloc_fd (fs/file.c:597)
[ 12.429985][ C3] ? __lock_release (kernel/locking/lockdep.c:5534)
[ 12.429989][ C3] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 12.429992][ C3] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 12.429995][ C3] ? alloc_fd (fs/file.c:597)
[ 12.430000][ C3] do_sys_openat2 (fs/open.c:1429)
[ 12.430004][ C3] ? __pfx_do_sys_openat2 (fs/open.c:1414)
[ 12.430007][ C3] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736 ./include/trace/events/rcu.h:537)
[ 12.430011][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.430013][ C3] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3107)
[ 12.430016][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 12.430020][ C3] __x64_sys_openat (fs/open.c:1455)
[ 12.430023][ C3] ? fput_close_sync (fs/file_table.c:568)
[ 12.430027][ C3] ? __pfx___x64_sys_openat (fs/open.c:1455)
[ 12.430032][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736)
[ 12.430034][ C3] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:198 arch/x86/entry/syscall_64.c:90)
[ 12.430039][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 12.430043][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 12.430046][ C3] RIP: 0033:0x7f221b16f9a6
[ 12.430052][ C3] Code: Unable to access opcode bytes at 0x7f221b16f97c.
Code starting with the faulting instruction
===========================================
[ 12.430053][ C3] RSP: 002b:00007ffc1479eb00 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 12.430056][ C3] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f221b16f9a6
[ 12.430058][ C3] RDX: 00000000002a0000 RSI: 000055732386fae0 RDI: 000000000000000d
[ 12.430060][ C3] RBP: 00007ffc1479ed60 R08: 0000000000000011 R09: 0000000000000020
[ 12.430062][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit