======================================
| [ 1104.720227][    C3] 1 lock held by swapper/3/0:
| [ 1104.720423][ C3] #0: ffffffffb3977c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [ 1104.720783][    C3]
| [ 1104.720783][    C3] stack backtrace:
[ 1104.721036][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1104.721039][    C3] Call Trace:
[ 1104.721041][    C3]  <IRQ>
[ 1104.721044][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1104.721053][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 1104.721059][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 1104.721064][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1104.721070][ C3] ? save_trace (kernel/locking/lockdep.c:595) 
[ 1104.721074][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 1104.721078][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 1104.721082][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 1104.721086][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 1104.721090][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 1104.721094][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1104.721099][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1104.721106][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1104.721109][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1104.721113][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 1104.721117][ C3] ? simple_pin_fs (fs/libfs.c:1067) 
[ 1104.721120][ C3] simple_pin_fs (fs/libfs.c:1067) 
[ 1104.721124][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 1104.721128][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1104.721134][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1104.721137][ 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:2376) 
[ 1104.721145][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1104.721148][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1104.721152][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1104.721154][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1104.721160][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1104.721164][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1104.721168][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1104.721171][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1104.721173][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1104.721179][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1104.721181][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1104.721184][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1104.721190][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1104.721196][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1104.721201][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1104.721205][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1104.721208][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1104.721211][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 1104.721215][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1104.721219][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1104.721222][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 1104.721226][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1104.721231][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1104.721236][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1104.721243][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1104.721248][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1104.721251][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1104.721256][    C3]  </IRQ>
[ 1104.721258][    C3]  <TASK>
[ 1104.721260][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1104.721264][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1104.721269][ C3] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1104.721274][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1104.721278][    C3] RAX: 00000000013cc093 RBX: 1ffff9200002afc1 RCX: ffffffffb28125d9
[ 1104.721281][    C3] RDX: 0000000000000000 RSI: ffffffffb34a61cd RDI: ffffffffb2c58be0
[ 1104.721284][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[ 1104.721287][    C3] R10: ffff8880361b37d3 R11: ffffffffb3611288 R12: 0000000000000000
[ 1104.721290][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 1104.721298][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1104.721303][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1104.721306][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1104.721309][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1104.721313][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1104.721318][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1104.721323][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1104.721327][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1104.721331][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1104.721334][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1104.721340][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1104.738748][    C3] RCU nest depth: 0, expected: 0
| [ 1104.738924][    C3] INFO: lockdep is turned off.
| [ 1104.739106][    C3] Preemption disabled at:
| [ 1104.739108][ C3] 0x0 
[ 1104.739548][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1104.739550][    C3] Call Trace:
[ 1104.739552][    C3]  <IRQ>
[ 1104.739555][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1104.739565][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1104.739572][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1104.739576][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1104.739580][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1104.739585][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1104.739593][ 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) 
[ 1104.739598][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1104.739601][ 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) 
[ 1104.739604][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1104.739611][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1104.739614][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1104.739621][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1104.739624][ 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:2376) 
[ 1104.739632][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1104.739637][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1104.739640][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1104.739644][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1104.739649][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1104.739654][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1104.739657][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1104.739660][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1104.739663][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1104.739668][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1104.739671][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1104.739674][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1104.739680][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1104.739687][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1104.739691][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1104.739695][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1104.739698][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1104.739702][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 1104.739707][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1104.739711][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1104.739716][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 1104.739720][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1104.739725][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1104.739729][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1104.739737][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1104.739740][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1104.739743][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1104.739746][    C3]  </IRQ>
[ 1104.739747][    C3]  <TASK>
[ 1104.739749][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1104.739751][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1104.739755][ C3] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1104.739758][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1104.739762][    C3] RAX: 00000000013cc093 RBX: 1ffff9200002afc1 RCX: ffffffffb28125d9
[ 1104.739764][    C3] RDX: 0000000000000000 RSI: ffffffffb34a61cd RDI: ffffffffb2c58be0
[ 1104.739765][    C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa
[ 1104.739767][    C3] R10: ffff8880361b37d3 R11: ffffffffb3611288 R12: 0000000000000000
[ 1104.739769][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 1104.739773][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1104.739777][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1104.739779][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1104.739782][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1104.739786][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1104.739790][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1104.739795][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1104.739799][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1104.739802][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1104.739806][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1104.739811][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1107.250995][    C3] INFO: lockdep is turned off.
| [ 1107.251160][    C3] Preemption disabled at:
| [ 1107.251162][ C3] handle_softirqs (kernel/softirq.c:553) 
| [ 1107.251529][    C3] Tainted: [W]=WARN
[ 1107.251531][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1107.251533][    C3] Call Trace:
[ 1107.251535][    C3]  <TASK>
[ 1107.251538][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1107.251548][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1107.251555][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1107.251560][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1107.251563][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1107.251569][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1107.251578][ 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) 
[ 1107.251583][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1107.251586][ 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) 
[ 1107.251589][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1107.251596][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1107.251599][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1107.251606][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1107.251610][ 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:2376) 
[ 1107.251617][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1107.251622][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1107.251626][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1107.251630][ C3] ? kthread (kernel/kthread.c:464) 
[ 1107.251636][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1107.251643][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1107.251649][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 1107.251654][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1107.251658][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1107.251664][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1107.251670][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1107.251674][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1107.251678][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1107.251681][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1107.251686][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1107.251690][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1107.251694][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1107.251702][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1107.251706][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1107.251711][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1107.251715][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1107.251718][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1107.251721][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1107.251725][ C3] kthread (kernel/kthread.c:464) 
[ 1107.251728][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1107.251731][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1107.251734][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1107.251740][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1107.251743][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1107.251747][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1107.251750][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1107.251753][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1110.987389][    C3] INFO: lockdep is turned off.
| [ 1110.987634][    C3] Preemption disabled at:
| [ 1110.987636][ C3] 0x0 
| [ 1110.988076][    C3] Tainted: [W]=WARN
[ 1110.988077][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1110.988080][    C3] Call Trace:
[ 1110.988083][    C3]  <IRQ>
[ 1110.988084][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1110.988096][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1110.988103][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1110.988109][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1110.988112][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1110.988118][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988126][ 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) 
[ 1110.988132][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1110.988135][ 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) 
[ 1110.988137][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1110.988145][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1110.988148][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1110.988155][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1110.988158][ 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:2376) 
[ 1110.988167][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1110.988173][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1110.988176][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1110.988181][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1110.988186][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1110.988191][ C3] ? __orc_find (arch/x86/kernel/unwind_orc.c:80 arch/x86/kernel/unwind_orc.c:102) 
[ 1110.988196][ C3] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 1110.988200][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1110.988204][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1110.988209][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1110.988216][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1110.988219][ C3] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1110.988222][ C3] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 1110.988225][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1110.988231][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988236][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1110.988241][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1110.988245][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1110.988249][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1110.988254][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1110.988258][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988261][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1110.988269][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1110.988274][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1110.988281][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1110.988285][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1110.988287][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1110.988291][    C3]  </IRQ>
[ 1110.988292][    C3]  <TASK>
[ 1110.988294][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1110.988297][ C3] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:80 arch/x86/kernel/unwind_orc.c:102) 
[ 1110.988301][ C3] Code: e5 77 4e 4c 89 e2 48 29 ea 48 89 d6 48 c1 ea 3f 48 c1 fe 02 48 01 f2 48 d1 fa 48 8d 5c 95 00 48 89 da 48 c1 ea 03 0f b6 34 0a <48> 89 da 83 e2 07 83 c2 03 40 38 f2 7c 05 40 84 f6 75 4b 48 63 13
All code
========
   0:	e5 77                	in     $0x77,%eax
   2:	4e                   	rex.WRX
   3:	4c 89 e2             	mov    %r12,%rdx
   6:	48 29 ea             	sub    %rbp,%rdx
   9:	48 89 d6             	mov    %rdx,%rsi
   c:	48 c1 ea 3f          	shr    $0x3f,%rdx
  10:	48 c1 fe 02          	sar    $0x2,%rsi
  14:	48 01 f2             	add    %rsi,%rdx
  17:	48 d1 fa             	sar    $1,%rdx
  1a:	48 8d 5c 95 00       	lea    0x0(%rbp,%rdx,4),%rbx
  1f:	48 89 da             	mov    %rbx,%rdx
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	0f b6 34 0a          	movzbl (%rdx,%rcx,1),%esi
  2a:*	48 89 da             	mov    %rbx,%rdx		<-- trapping instruction
  2d:	83 e2 07             	and    $0x7,%edx
  30:	83 c2 03             	add    $0x3,%edx
  33:	40 38 f2             	cmp    %sil,%dl
  36:	7c 05                	jl     0x3d
  38:	40 84 f6             	test   %sil,%sil
  3b:	75 4b                	jne    0x88
  3d:	48 63 13             	movslq (%rbx),%rdx

Code starting with the faulting instruction
===========================================
   0:	48 89 da             	mov    %rbx,%rdx
   3:	83 e2 07             	and    $0x7,%edx
   6:	83 c2 03             	add    $0x3,%edx
   9:	40 38 f2             	cmp    %sil,%dl
   c:	7c 05                	jl     0x13
   e:	40 84 f6             	test   %sil,%sil
  11:	75 4b                	jne    0x5e
  13:	48 63 13             	movslq (%rbx),%rdx
[ 1110.988304][    C3] RSP: 0018:ffffc900006e6978 EFLAGS: 00000a06
[ 1110.988308][    C3] RAX: ffffffffb48a878a RBX: ffffffffb451f1c8 RCX: dffffc0000000000
[ 1110.988310][    C3] RDX: 1ffffffff68a3e39 RSI: 0000000000000000 RDI: ffffffffb451f1a8
[ 1110.988312][    C3] RBP: ffffffffb451f1c8 R08: 0000000000000000 R09: ffffc900006e6af9
[ 1110.988314][    C3] R10: ffffffffafe14687 R11: ffffc900006e6af8 R12: ffffffffb451f1c8
[ 1110.988315][    C3] R13: ffffffffb062909f R14: ffffffffb451f1a8 R15: ffffffffb451f1c4
[ 1110.988318][ C3] ? handle_pte_fault (mm/memory.c:5997) 
[ 1110.988325][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1110.988331][ C3] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 1110.988335][ C3] ? handle_pte_fault (mm/memory.c:5997) 
[ 1110.988339][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1110.988344][ C3] ? handle_pte_fault (mm/memory.c:5997) 
[ 1110.988347][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 1110.988353][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 1110.988357][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1110.988361][ C3] ? handle_pte_fault (mm/memory.c:5997) 
[ 1110.988366][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 1110.988369][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1110.988373][ C3] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 1110.988376][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1110.988379][ C3] kasan_save_stack (mm/kasan/common.c:48) 
[ 1110.988382][ C3] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1110.988385][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1110.988387][ C3] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1110.988390][ C3] ? __kasan_slab_free (mm/kasan/common.c:271) 
[ 1110.988393][ C3] ? kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 1110.988397][ C3] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1471) 
[ 1110.988404][ C3] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 1110.988407][ C3] ? flush_bg_queue (fs/fuse/dev.c:418) 
[ 1110.988412][ C3] ? fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 1110.988415][ C3] ? fuse_simple_background (fs/fuse/dev.c:753) 
[ 1110.988418][ C3] ? fuse_send_readpages (fs/fuse/file.c:995) 
[ 1110.988423][ C3] ? fuse_readahead (fs/fuse/file.c:1033) 
[ 1110.988426][ C3] ? read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 1110.988431][ C3] ? page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 1110.988434][ C3] ? do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 1110.988439][ C3] ? filemap_fault (mm/filemap.c:3403) 
[ 1110.988443][ C3] ? __do_fault (mm/memory.c:5098) 
[ 1110.988446][ C3] ? do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 1110.988449][ C3] ? handle_pte_fault (mm/memory.c:5997) 
[ 1110.988452][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988457][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988460][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1110.988464][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1110.988469][ C3] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 1110.988476][ C3] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 1110.988479][ C3] ? trace_rcu_segcb_stats (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745 ./include/trace/events/rcu.h:537) 
[ 1110.988485][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988488][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1110.988492][ C3] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1110.988495][ C3] kasan_save_free_info (mm/kasan/generic.c:579) 
[ 1110.988498][ C3] __kasan_slab_free (mm/kasan/common.c:271) 
[ 1110.988502][ C3] kfree (mm/slub.c:4642 mm/slub.c:4841) 
[ 1110.988504][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988508][ C3] ? virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1471) 
[ 1110.988512][ C3] virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1471) 
[ 1110.988518][ C3] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 1110.988522][ C3] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 1110.988527][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1110.988530][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1110.988533][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988537][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988540][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1110.988544][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1110.988547][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1110.988550][ C3] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 1110.988553][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988556][ 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) 
[ 1110.988560][ C3] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 1110.988564][ C3] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 1110.988568][ C3] flush_bg_queue (fs/fuse/dev.c:418) 
[ 1110.988571][ C3] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 1110.988576][ C3] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 1110.988580][ C3] fuse_simple_background (fs/fuse/dev.c:753) 
[ 1110.988584][ C3] fuse_send_readpages (fs/fuse/file.c:995) 
[ 1110.988589][ C3] fuse_readahead (fs/fuse/file.c:1033) 
[ 1110.988595][ C3] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 1110.988598][ C3] ? trace_mm_filemap_add_to_page_cache (./include/trace/events/filemap.h:54 (discriminator 21)) 
[ 1110.988602][ C3] ? __filemap_add_folio (mm/filemap.c:949) 
[ 1110.988608][ C3] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 1110.988611][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1110.988615][ C3] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 1110.988620][ C3] ? __pfx_read_pages (mm/readahead.c:147) 
[ 1110.988626][ C3] page_cache_ra_unbounded (./include/linux/fs.h:944 mm/readahead.c:298) 
[ 1110.988632][ C3] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 1110.988636][ C3] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 1110.988641][ C3] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 1110.988645][ C3] filemap_fault (mm/filemap.c:3403) 
[ 1110.988648][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988652][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1110.988656][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1110.988659][ C3] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 1110.988663][ C3] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 1110.988666][ C3] ? kmem_cache_alloc_noprof (mm/slub.c:4209) 
[ 1110.988670][ C3] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 1110.988674][ C3] ? __raw_spin_lock_init (kernel/locking/spinlock_debug.c:27) 
[ 1110.988677][ C3] __do_fault (mm/memory.c:5098) 
[ 1110.988681][ C3] do_pte_missing (mm/memory.c:5548 mm/memory.c:5654 mm/memory.c:4160) 
[ 1110.988685][ C3] handle_pte_fault (mm/memory.c:5997) 
[ 1110.988688][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1110.988691][ C3] ? __pmd_alloc (mm/memory.c:6660) 
[ 1110.988694][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 1110.988698][ 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) 
[ 1110.988701][ C3] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 1110.988705][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 1110.988708][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1110.988712][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 1110.988715][ C3] ? mt_find (lib/maple_tree.c:6906) 
[ 1110.988721][ C3] ? __down_read_trylock (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1291) 
[ 1110.988727][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 1110.988730][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 1110.988734][ C3] ? down_read_trylock (kernel/locking/rwsem.c:1566 kernel/locking/rwsem.c:1561) 
[ 1110.988739][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1389) 
[ 1110.988745][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 1110.988749][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1110.988751][ C3] RIP: 0010:rep_stos_alternative (arch/x86/lib/clear_page_64.S:99) 
[ 1110.988754][ C3] Code: c9 75 f6 c3 cc cc cc cc 48 89 07 48 83 c7 08 83 e9 08 74 ef 83 f9 08 73 ef eb de 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47
All code
========
   0:	c9                   	leave
   1:	75 f6                	jne    0xfffffffffffffff9
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	48 89 07             	mov    %rax,(%rdi)
   b:	48 83 c7 08          	add    $0x8,%rdi
   f:	83 e9 08             	sub    $0x8,%ecx
  12:	74 ef                	je     0x3
  14:	83 f9 08             	cmp    $0x8,%ecx
  17:	73 ef                	jae    0x8
  19:	eb de                	jmp    0xfffffffffffffff9
  1b:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  22:	00 00 00 00 
  26:	0f 1f 40 00          	nopl   0x0(%rax)
  2a:*	48 89 07             	mov    %rax,(%rdi)		<-- trapping instruction
  2d:	48 89 47 08          	mov    %rax,0x8(%rdi)
  31:	48 89 47 10          	mov    %rax,0x10(%rdi)
  35:	48 89 47 18          	mov    %rax,0x18(%rdi)
  39:	48 89 47 20          	mov    %rax,0x20(%rdi)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	47                   	rex.RXB

Code starting with the faulting instruction
===========================================
   0:	48 89 07             	mov    %rax,(%rdi)
   3:	48 89 47 08          	mov    %rax,0x8(%rdi)
   7:	48 89 47 10          	mov    %rax,0x10(%rdi)
   b:	48 89 47 18          	mov    %rax,0x18(%rdi)
   f:	48 89 47 20          	mov    %rax,0x20(%rdi)
  13:	48                   	rex.W
  14:	89                   	.byte 0x89
  15:	47                   	rex.RXB
[ 1110.988757][    C3] RSP: 0018:ffffc900006e7bd8 EFLAGS: 00050202
[ 1110.988759][    C3] RAX: 0000000000000000 RBX: ffff888017d19d18 RCX: 0000000000000da8
[ 1110.988761][    C3] RDX: 0000000000000000 RSI: ffffffffb2c58b60 RDI: 000055d5d5797258
[ 1110.988762][    C3] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000
[ 1110.988764][    C3] R10: ffffffffb060cb33 R11: 0000000000002000 R12: 000055d5d5797258
[ 1110.988765][    C3] R13: 0000000000000da8 R14: 000055d5d57973c0 R15: ffff888017d19d38
[ 1110.988768][ C3] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 1110.988773][ C3] elf_load (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:197 ./arch/x86/include/asm/uaccess_64.h:205 fs/binfmt_elf.c:118 fs/binfmt_elf.c:420) 
[ 1110.988780][ C3] load_elf_binary (./include/linux/instrumented.h:68 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:126 fs/binfmt_elf.c:1175) 
[ 1110.988787][ C3] ? load_misc_binary (fs/binfmt_misc.c:215) 
[ 1110.988790][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988794][ C3] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 1110.988797][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988800][ C3] ? exec_binprm (fs/exec.c:1718 fs/exec.c:1750) 
[ 1110.988805][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988810][ C3] exec_binprm (fs/exec.c:1720 fs/exec.c:1750) 
[ 1110.988815][ C3] ? __pfx_exec_binprm (fs/exec.c:1734) 
[ 1110.988819][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1110.988824][ C3] bprm_execve (fs/exec.c:1802 fs/exec.c:1778) 
[ 1110.988828][ C3] do_execveat_common.isra.0 (fs/exec.c:1908) 
[ 1110.988833][ C3] __x64_sys_execve (fs/exec.c:2053) 
[ 1110.988836][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1110.988839][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1110.988841][    C3] RIP: 0033:0x7f83590d440b
[ 1110.988847][ C3] Code: Unable to access opcode bytes at 0x7f83590d43e1.

Code starting with the faulting instruction
===========================================
[ 1110.988849][    C3] RSP: 002b:00007ffc3f878908 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[ 1110.988852][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83590d440b
[ 1110.988853][    C3] RDX: 000055c81bf6bea0 RSI: 000055c81bf0d0c0 RDI: 000055c81bf6b6c0
[ 1110.988855][    C3] RBP: 000055c81bf6b6c0 R08: 000055c81bf6bde0 R09: 0000000000000000
[ 1110.988857][    C3] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[ 1110.988858][    C3] R13: 000055c81bf0d0c0 R14: 000055c81bf6bea0 R15: 000055c81bf6b090
| [ 1114.921219][    C2] INFO: lockdep is turned off.
| [ 1114.921417][    C2] Preemption disabled at:
| [ 1114.921419][ C2] 0x0 
| [ 1114.921768][    C2] Tainted: [W]=WARN
[ 1114.921770][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1114.921772][    C2] Call Trace:
[ 1114.921774][    C2]  <IRQ>
[ 1114.921777][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1114.921789][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1114.921796][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1114.921802][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1114.921804][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1114.921810][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1114.921818][ C2] ? 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) 
[ 1114.921824][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1114.921827][ C2] ? 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) 
[ 1114.921830][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1114.921837][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1114.921840][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1114.921847][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1114.921851][ C2] ? __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:2376) 
[ 1114.921858][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1114.921864][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1114.921867][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1114.921872][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1114.921878][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1114.921882][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1114.921886][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1114.921889][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1114.921892][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1114.921897][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 1114.921900][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1114.921903][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1114.921909][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1114.921914][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1114.921919][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1114.921924][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1114.921929][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1114.921933][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1114.921936][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1114.921941][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1114.921945][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1114.921952][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1114.921959][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 1114.921963][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 1114.921971][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1114.921974][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1114.921977][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1114.921980][    C2]  </IRQ>
[ 1114.921981][    C2]  <TASK>
[ 1114.921983][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1114.921986][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1114.921990][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1114.921993][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[ 1114.921997][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb28125d9
[ 1114.921999][    C2] RDX: ffffed1006c266fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1114.922001][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[ 1114.922003][    C2] R10: ffff8880361337d3 R11: ffff888019a08558 R12: 0000000000000000
[ 1114.922005][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 1114.922008][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1114.922011][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1114.922016][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1114.922018][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1114.922021][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1114.922025][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1114.922029][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1114.922034][ C2] do_idle (kernel/sched/idle.c:325) 
[ 1114.922038][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1114.922042][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1114.922045][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1114.922050][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1117.430394][    C3] INFO: lockdep is turned off.
| [ 1117.430568][    C3] Preemption disabled at:
| [ 1117.430570][ C3] handle_softirqs (kernel/softirq.c:553) 
| [ 1117.430910][    C3] Tainted: [W]=WARN
[ 1117.430912][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1117.430914][    C3] Call Trace:
[ 1117.430916][    C3]  <TASK>
[ 1117.430919][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1117.430929][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1117.430936][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1117.430941][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1117.430944][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1117.430950][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1117.430958][ 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) 
[ 1117.430964][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1117.430967][ 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) 
[ 1117.430970][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1117.430977][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1117.430980][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1117.430987][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1117.430991][ 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:2376) 
[ 1117.430998][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1117.431003][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1117.431007][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1117.431011][ C3] ? kthread (kernel/kthread.c:464) 
[ 1117.431017][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1117.431024][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 1117.431030][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) 
[ 1117.431035][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) 
[ 1117.431039][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1117.431045][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1117.431050][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1117.431055][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1117.431059][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1117.431062][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1117.431067][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1117.431071][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1117.431075][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1117.431083][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1117.431088][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1117.431092][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 1117.431097][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 1117.431100][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 1117.431103][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 1117.431107][ C3] kthread (kernel/kthread.c:464) 
[ 1117.431111][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1117.431113][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1117.431116][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 1117.431123][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1117.431126][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1117.431130][ C3] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 1117.431133][ C3] ? __pfx_kthread (kernel/kthread.c:413) 
[ 1117.431136][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
| [ 1120.061042][    C3] INFO: lockdep is turned off.
| [ 1120.061219][    C3] Preemption disabled at:
| [ 1120.061221][ C3] 0x0 
| [ 1120.061558][    C3] Tainted: [W]=WARN
[ 1120.061560][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1120.061562][    C3] Call Trace:
[ 1120.061565][    C3]  <IRQ>
[ 1120.061567][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1120.061578][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1120.061586][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1120.061591][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1120.061594][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1120.061600][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1120.061608][ 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) 
[ 1120.061614][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1120.061616][ 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) 
[ 1120.061619][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1120.061627][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1120.061630][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1120.061637][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1120.061641][ 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:2376) 
[ 1120.061648][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1120.061654][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1120.061657][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1120.061662][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1120.061667][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1120.061671][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1120.061675][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1120.061678][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1120.061681][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1120.061687][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1120.061690][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1120.061693][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1120.061700][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1120.061704][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1120.061710][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1120.061715][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1120.061719][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1120.061723][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1120.061726][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1120.061731][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1120.061735][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1120.061743][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1120.061750][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1120.061754][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1120.061762][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1120.061766][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1120.061768][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1120.061772][    C3]  </IRQ>
[ 1120.061773][    C3]  <TASK>
[ 1120.061775][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1120.061777][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1120.061782][ C3] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1120.061785][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1120.061789][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb28125d9
[ 1120.061791][    C3] RDX: ffffed1006c366fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1120.061793][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[ 1120.061795][    C3] R10: ffff8880361b37d3 R11: ffff888002accb58 R12: 0000000000000000
[ 1120.061796][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 1120.061800][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1120.061803][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1120.061808][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1120.061810][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1120.061813][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1120.061816][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1120.061820][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1120.061826][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1120.061830][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1120.061833][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1120.061837][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1120.061842][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1123.950945][    C3] INFO: lockdep is turned off.
| [ 1123.951136][    C3] Preemption disabled at:
| [ 1123.951138][ C3] __slab_alloc.constprop.0 (mm/slub.c:3945) 
| [ 1123.951554][    C3] Tainted: [W]=WARN
[ 1123.951556][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1123.951558][    C3] Call Trace:
[ 1123.951560][    C3]  <IRQ>
[ 1123.951563][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1123.951573][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1123.951580][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1123.951585][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1123.951588][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1123.951594][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1123.951602][ 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) 
[ 1123.951607][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1123.951610][ 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) 
[ 1123.951613][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1123.951620][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1123.951623][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1123.951630][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1123.951634][ 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:2376) 
[ 1123.951641][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1123.951646][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1123.951649][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1123.951654][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1123.951659][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1123.951664][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1123.951669][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 1123.951672][ C3] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 1123.951675][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1123.951677][ C3] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 1123.951680][ C3] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 1123.951686][ C3] ? __create_object (mm/kmemleak.c:770) 
[ 1123.951689][ C3] ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 1123.951692][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1123.951698][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1123.951703][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1123.951707][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1123.951711][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1123.951714][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1123.951719][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1123.951723][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1123.951727][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1123.951736][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1123.951740][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1123.951748][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1123.951752][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1123.951754][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1123.951758][    C3]  </IRQ>
[ 1123.951759][    C3]  <TASK>
[ 1123.951760][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1123.951763][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1123.951768][ C3] Code: 74 24 10 e8 f1 22 7b fd 48 89 ef e8 a9 75 7b 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 <e8> 2a 73 6f fd 65 8b 05 13 ed b3 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:	f1                   	int1
   5:	22 7b fd             	and    -0x3(%rbx),%bh
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 a9 75 7b fd       	call   0xfffffffffd7b75b9
  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 73 6f fd       	call   0xfffffffffd6f7359		<-- trapping instruction
  2f:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed49
  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 73 6f fd       	call   0xfffffffffd6f732f
   5:	65 8b 05 13 ed b3 02 	mov    %gs:0x2b3ed13(%rip),%eax        # 0x2b3ed1f
   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
[ 1123.951771][    C3] RSP: 0018:ffffc900008d7b18 EFLAGS: 00000206
[ 1123.951775][    C3] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffb02766af
[ 1123.951777][    C3] RDX: 0000000000000000 RSI: ffffffffb2c58b60 RDI: 0000000000000001
[ 1123.951779][    C3] RBP: ffff88800104f440 R08: 0000000000000000 R09: 0000000000000000
[ 1123.951781][    C3] R10: ffffffffb44062d7 R11: ffffc900008d79c8 R12: ffff88800104f440
[ 1123.951782][    C3] R13: ffffea0000249a00 R14: ffff88800104de40 R15: ffff8880092695f8
[ 1123.951786][ 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:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 1123.951792][ C3] get_partial_node.part.0 (mm/slub.c:2902) 
[ 1123.951797][ C3] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 1123.951800][ C3] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 1123.951805][ C3] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 1123.951808][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 1123.951812][ C3] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 1123.951815][ C3] kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) 
[ 1123.951818][ C3] ? getname_flags.part.0 (fs/namei.c:146) 
[ 1123.951824][ C3] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 1123.951828][ C3] __create_object (mm/kmemleak.c:770) 
[ 1123.951832][ C3] kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) 
[ 1123.951836][ C3] getname_flags.part.0 (fs/namei.c:146) 
[ 1123.951839][ C3] ? do_sys_openat2 (fs/open.c:1422) 
[ 1123.951844][ C3] vfs_fstatat (fs/stat.c:372) 
[ 1123.951849][ C3] __do_sys_newfstatat (fs/stat.c:543) 
[ 1123.951852][ C3] ? __pfx___do_sys_newfstatat (fs/stat.c:538) 
[ 1123.951856][ C3] ? user_path_at (fs/namei.c:3131) 
[ 1123.951860][ C3] ? __x64_sys_openat (fs/open.c:1463) 
[ 1123.951864][ C3] ? __pfx___x64_sys_openat (fs/open.c:1463) 
[ 1123.951868][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1123.951872][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1123.951875][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1123.951879][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1123.951882][    C3] RIP: 0033:0x7f78ffe6cd2e
[ 1123.951886][ C3] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 f7 d8 89 05
All code
========
   0:	48 89 f2             	mov    %rsi,%rdx
   3:	b9 00 01 00 00       	mov    $0x100,%ecx
   8:	48 89 fe             	mov    %rdi,%rsi
   b:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  10:	e9 07 00 00 00       	jmp    0x1c
  15:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1c:	f3 0f 1e fa          	endbr64
  20:	41 89 ca             	mov    %ecx,%r10d
  23:	b8 06 01 00 00       	mov    $0x106,%eax
  28:	0f 05                	syscall
  2a:*	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax		<-- trapping instruction
  2f:	77 0b                	ja     0x3c
  31:	31 c0                	xor    %eax,%eax
  33:	c3                   	ret
  34:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  3b:	00 
  3c:	f7 d8                	neg    %eax
  3e:	89                   	.byte 0x89
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   5:	77 0b                	ja     0x12
   7:	31 c0                	xor    %eax,%eax
   9:	c3                   	ret
   a:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
  11:	00 
  12:	f7 d8                	neg    %eax
  14:	89                   	.byte 0x89
  15:	05                   	.byte 0x5
[ 1123.951888][    C3] RSP: 002b:00007ffdc9e5f378 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[ 1123.951891][    C3] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f78ffe6cd2e
[ 1123.951893][    C3] RDX: 00007ffdc9e5f440 RSI: 00007ffdc9e5f380 RDI: 00000000ffffff9c
[ 1123.951895][    C3] RBP: 00007ffdc9e5f500 R08: 00000000ffffffff R09: 00007ffdc9e5f380
[ 1123.951897][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdc9e5f39e
[ 1123.951899][    C3] R13: 00007ffdc9e5f380 R14: 00007f78ffe7c220 R15: 00007f78ffe3b140
| [ 1127.917240][    C2] INFO: lockdep is turned off.
| [ 1127.917433][    C2] Preemption disabled at:
| [ 1127.917435][ C2] 0x0 
| [ 1127.917792][    C2] Tainted: [W]=WARN
[ 1127.917794][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1127.917796][    C2] Call Trace:
[ 1127.917799][    C2]  <IRQ>
[ 1127.917801][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1127.917813][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 1127.917821][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1127.917827][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1127.917830][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1127.917836][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1127.917844][ C2] ? 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) 
[ 1127.917850][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1127.917852][ C2] ? 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) 
[ 1127.917855][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1127.917862][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1127.917866][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1127.917873][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1127.917877][ C2] ? __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:2376) 
[ 1127.917884][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1127.917889][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1127.917893][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1127.917897][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1127.917903][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1127.917907][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1127.917911][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1127.917914][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1127.917917][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1127.917923][ C2] ? do_idle (kernel/sched/idle.c:325) 
[ 1127.917926][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1127.917929][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1127.917935][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1127.917940][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1127.917946][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1127.917951][ C2] __put_net (net/core/net_namespace.c:732) 
[ 1127.917955][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1127.917959][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1127.917963][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1127.917968][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1127.917972][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1127.917979][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1127.917986][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 1127.917991][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 1127.917999][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1127.918003][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 1127.918005][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1127.918009][    C2]  </IRQ>
[ 1127.918010][    C2]  <TASK>
[ 1127.918011][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1127.918014][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1127.918019][ C2] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1127.918022][    C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246
[ 1127.918026][    C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffffb28125d9
[ 1127.918028][    C2] RDX: ffffed1006c266fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1127.918030][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa
[ 1127.918032][    C2] R10: ffff8880361337d3 R11: ffff888001ee4b58 R12: 0000000000000000
[ 1127.918034][    C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000
[ 1127.918037][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1127.918040][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1127.918045][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1127.918047][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1127.918050][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1127.918054][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1127.918058][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1127.918063][ C2] do_idle (kernel/sched/idle.c:325) 
[ 1127.918068][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1127.918071][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1127.918075][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1127.918080][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1131.831712][    C0] INFO: lockdep is turned off.
| [ 1131.831922][    C0] Preemption disabled at:
| [ 1131.831924][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) 
| [ 1131.832409][    C0] Tainted: [W]=WARN
[ 1131.832411][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1131.832413][    C0] Call Trace:
[ 1131.832415][    C0]  <IRQ>
[ 1131.832417][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1131.832427][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1131.832435][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1131.832438][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1131.832441][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1131.832448][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.832457][ C0] ? 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) 
[ 1131.832463][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1131.832466][ C0] ? 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) 
[ 1131.832469][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1131.832477][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1131.832484][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1131.832492][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1131.832495][ C0] ? __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:2376) 
[ 1131.832504][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1131.832510][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1131.832514][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1131.832519][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1131.832525][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1131.832530][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1131.832533][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1131.832537][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1131.832539][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1131.832546][ C0] ? do_idle (kernel/sched/idle.c:325) 
[ 1131.832549][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1131.832552][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1131.832555][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1131.832562][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1131.832570][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1131.832574][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1131.832579][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1131.832583][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1131.832587][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1131.832592][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1131.832596][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1131.832604][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1131.832611][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 1131.832616][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1131.832625][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1131.832628][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1131.832630][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1131.832634][    C0]  </IRQ>
[ 1131.832635][    C0]  <TASK>
[ 1131.832637][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1131.832639][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1131.832644][ C0] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1131.832647][    C0] RSP: 0018:ffffffffb3607df8 EFLAGS: 00000246
[ 1131.832650][    C0] RAX: 0000000000000000 RBX: 1ffffffff66c0fc3 RCX: ffffffffb28125d9
[ 1131.832653][    C0] RDX: ffffed1006c066fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1131.832654][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa
[ 1131.832657][    C0] R10: ffff8880360337d3 R11: ffff888017aa0558 R12: 0000000000000000
[ 1131.832659][    C0] R13: ffffffffb361f240 R14: dffffc0000000000 R15: 0000000000014770
[ 1131.832663][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1131.832666][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1131.832671][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1131.832674][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1131.832677][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1131.832680][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1131.832685][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1131.832692][ C0] do_idle (kernel/sched/idle.c:325) 
[ 1131.832695][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1131.832699][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 1131.832702][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 1131.832706][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) 
[ 1131.832710][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 
[ 1131.832714][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1135.352905][    C0] INFO: lockdep is turned off.
| [ 1135.353114][    C0] Preemption disabled at:
| [ 1135.353116][ C0] handle_softirqs (kernel/softirq.c:553) 
| [ 1135.353554][    C0] Tainted: [W]=WARN
[ 1135.353556][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1135.353558][    C0] Call Trace:
[ 1135.353560][    C0]  <IRQ>
[ 1135.353562][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1135.353570][ C0] __might_resched (kernel/sched/core.c:8796) 
[ 1135.353576][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1135.353580][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1135.353583][ C0] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1135.353587][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353593][ C0] ? 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) 
[ 1135.353598][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1135.353601][ C0] ? 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) 
[ 1135.353604][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1135.353610][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1135.353613][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1135.353619][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1135.353623][ C0] ? __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:2376) 
[ 1135.353628][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1135.353633][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1135.353636][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1135.353639][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1135.353643][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1135.353647][ C0] ? __orc_find (arch/x86/kernel/unwind_orc.c:85) 
[ 1135.353653][ C0] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 1135.353656][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1135.353661][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1135.353667][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1135.353674][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1135.353677][ C0] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 1135.353680][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353686][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1135.353691][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353696][ C0] __put_net (net/core/net_namespace.c:732) 
[ 1135.353699][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1135.353704][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1135.353707][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1135.353712][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1135.353716][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353719][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.353726][ C0] rcu_core (kernel/rcu/tree.c:2834) 
[ 1135.353730][ C0] handle_softirqs (kernel/softirq.c:580) 
[ 1135.353736][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1135.353739][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 1135.353741][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1135.353745][    C0]  </IRQ>
[ 1135.353746][    C0]  <TASK>
[ 1135.353748][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1135.353751][ C0] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:85) 
[ 1135.353754][ C0] Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 57 41 56 41 55 49 89 cd 89 d1 41 54 4c 8d 64 8f fc 55 <53> 48 83 ec 08 85 d2 0f 84 99 00 00 00 49 89 fe 48 89 f0 4c 39 e7
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  17:	41 57                	push   %r15
  19:	41 56                	push   %r14
  1b:	41 55                	push   %r13
  1d:	49 89 cd             	mov    %rcx,%r13
  20:	89 d1                	mov    %edx,%ecx
  22:	41 54                	push   %r12
  24:	4c 8d 64 8f fc       	lea    -0x4(%rdi,%rcx,4),%r12
  29:	55                   	push   %rbp
  2a:*	53                   	push   %rbx		<-- trapping instruction
  2b:	48 83 ec 08          	sub    $0x8,%rsp
  2f:	85 d2                	test   %edx,%edx
  31:	0f 84 99 00 00 00    	je     0xd0
  37:	49 89 fe             	mov    %rdi,%r14
  3a:	48 89 f0             	mov    %rsi,%rax
  3d:	4c 39 e7             	cmp    %r12,%rdi

Code starting with the faulting instruction
===========================================
   0:	53                   	push   %rbx
   1:	48 83 ec 08          	sub    $0x8,%rsp
   5:	85 d2                	test   %edx,%edx
   7:	0f 84 99 00 00 00    	je     0xa6
   d:	49 89 fe             	mov    %rdi,%r14
  10:	48 89 f0             	mov    %rsi,%rax
  13:	4c 39 e7             	cmp    %r12,%rdi
[ 1135.353757][    C0] RSP: 0000:ffffc90000eb7290 EFLAGS: 00000286
[ 1135.353761][    C0] RAX: 0000000000048446 RBX: 1ffff920001d6e61 RCX: 0000000000000006
[ 1135.353763][    C0] RDX: 0000000000000006 RSI: ffffffffb491785c RDI: ffffffffb4569234
[ 1135.353764][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000eb7401
[ 1135.353766][    C0] R10: ffffffffafe14687 R11: ffffc90000eb7400 R12: ffffffffb4569248
[ 1135.353768][    C0] R13: ffffffffb0a54fa6 R14: ffff888017aa2340 R15: 0000000000000000
[ 1135.353770][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353774][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 1135.353781][ C0] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 1135.353784][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353789][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 1135.353794][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353796][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 1135.353803][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 1135.353807][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 1135.353811][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353815][ C0] stack_trace_save (kernel/stacktrace.c:123) 
[ 1135.353819][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 1135.353822][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 1135.353826][ C0] ? __kernel_text_address (kernel/extable.c:79) 
[ 1135.353829][ C0] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 1135.353833][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 1135.353836][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 1135.353839][ C0] kasan_save_stack (mm/kasan/common.c:48) 
[ 1135.353842][ C0] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 1135.353845][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1135.353848][ C0] ? __kasan_kmalloc (mm/kasan/common.c:398) 
[ 1135.353850][ C0] ? fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353855][ C0] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 1135.353858][ C0] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 1135.353865][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 1135.353868][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 1135.353871][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353875][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353879][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.353882][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1135.353888][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353891][ C0] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 1135.353895][ C0] ? __kmalloc_cache_noprof (mm/slub.c:4360) 
[ 1135.353900][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 1135.353903][ C0] __kasan_kmalloc (mm/kasan/common.c:398) 
[ 1135.353907][ C0] fuse_io_alloc (./include/linux/slab.h:905 ./include/linux/slab.h:1039 fs/fuse/file.c:750) 
[ 1135.353911][ C0] fuse_readahead (fs/fuse/file.c:1047) 
[ 1135.353917][ C0] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 1135.353921][ C0] ? trace_mm_filemap_add_to_page_cache (./include/trace/events/filemap.h:54 (discriminator 21)) 
[ 1135.353926][ C0] ? __filemap_add_folio (mm/filemap.c:949) 
[ 1135.353934][ C0] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 1135.353940][ C0] ? xa_load (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/xarray.c:1621) 
[ 1135.353944][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353948][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1135.353954][ C0] ? __pfx_read_pages (mm/readahead.c:147) 
[ 1135.353957][ C0] ? xa_load (lib/xarray.c:1613) 
[ 1135.353963][ C0] page_cache_ra_unbounded (mm/readahead.c:265 (discriminator 2)) 
[ 1135.353969][ C0] filemap_fault (mm/filemap.c:3290 mm/filemap.c:3389) 
[ 1135.353974][ C0] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 1135.353977][ C0] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 1135.353981][ C0] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 1135.353987][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.353990][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1135.353994][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 1135.353998][ C0] __do_fault (mm/memory.c:5098) 
[ 1135.354002][ C0] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 1135.354005][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 1135.354009][ C0] handle_pte_fault (mm/memory.c:5997) 
[ 1135.354013][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1135.354017][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 1135.354021][ C0] ? __up_write (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1375) 
[ 1135.354025][ C0] __handle_mm_fault (mm/memory.c:6140) 
[ 1135.354029][ C0] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 1135.354033][ C0] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 1135.354038][ C0] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 1135.354042][ C0] handle_mm_fault (mm/memory.c:6321) 
[ 1135.354046][ C0] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 1135.354052][ C0] do_user_addr_fault (arch/x86/mm/fault.c:1337) 
[ 1135.354056][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1135.354061][ C0] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 1135.354065][ C0] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[ 1135.354067][    C0] RIP: 0033:0x7fd82e3b4e6c
[ 1135.354070][ C0] Code: 83 fe 25 0f 84 f5 06 00 00 4c 89 6d 88 49 83 fc 08 0f 84 0f 07 00 00 49 83 fc 26 0f 84 05 07 00 00 4d 85 e4 0f 84 24 01 00 00 <41> 0f b6 45 04 89 c6 40 c0 ee 04 0f 84 b3 05 00 00 41 0f b6 55 05
All code
========
   0:	83 fe 25             	cmp    $0x25,%esi
   3:	0f 84 f5 06 00 00    	je     0x6fe
   9:	4c 89 6d 88          	mov    %r13,-0x78(%rbp)
   d:	49 83 fc 08          	cmp    $0x8,%r12
  11:	0f 84 0f 07 00 00    	je     0x726
  17:	49 83 fc 26          	cmp    $0x26,%r12
  1b:	0f 84 05 07 00 00    	je     0x726
  21:	4d 85 e4             	test   %r12,%r12
  24:	0f 84 24 01 00 00    	je     0x14e
  2a:*	41 0f b6 45 04       	movzbl 0x4(%r13),%eax		<-- trapping instruction
  2f:	89 c6                	mov    %eax,%esi
  31:	40 c0 ee 04          	shr    $0x4,%sil
  35:	0f 84 b3 05 00 00    	je     0x5ee
  3b:	41 0f b6 55 05       	movzbl 0x5(%r13),%edx

Code starting with the faulting instruction
===========================================
   0:	41 0f b6 45 04       	movzbl 0x4(%r13),%eax
   5:	89 c6                	mov    %eax,%esi
   7:	40 c0 ee 04          	shr    $0x4,%sil
   b:	0f 84 b3 05 00 00    	je     0x5c4
  11:	41 0f b6 55 05       	movzbl 0x5(%r13),%edx
[ 1135.354072][    C0] RSP: 002b:00007ffc482c3c40 EFLAGS: 00010202
[ 1135.354075][    C0] RAX: 00007fd82dc21470 RBX: 00007fd82de48028 RCX: 00007fd82de45a88
[ 1135.354077][    C0] RDX: 0000000000000024 RSI: 00007ffc482c3cd0 RDI: 00007fd82de71ba0
[ 1135.354078][    C0] RBP: 00007ffc482c3d40 R08: 0000000000000660 R09: 0000000000000000
[ 1135.354080][    C0] R10: 00007fd82dc21590 R11: 0000000000000000 R12: 0000000000000001
[ 1135.354082][    C0] R13: 00007fd82de465f8 R14: 0000007a00000001 R15: 00007fd82e397e40
| [ 1137.810915][    C1] INFO: lockdep is turned off.
| [ 1137.811109][    C1] Preemption disabled at:
| [ 1137.811110][ C1] 0x0 
| [ 1137.811477][    C1] Tainted: [W]=WARN
[ 1137.811479][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1137.811484][    C1] Call Trace:
[ 1137.811486][    C1]  <IRQ>
[ 1137.811489][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1137.811501][ C1] __might_resched (kernel/sched/core.c:8796) 
[ 1137.811509][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1137.811514][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1137.811517][ C1] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1137.811522][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1137.811530][ C1] ? 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) 
[ 1137.811536][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1137.811539][ C1] ? 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) 
[ 1137.811541][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1137.811549][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1137.811552][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1137.811560][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1137.811563][ C1] ? __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:2376) 
[ 1137.811571][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1137.811576][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1137.811580][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1137.811584][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1137.811590][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1137.811594][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1137.811598][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1137.811601][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1137.811604][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1137.811609][ C1] ? do_idle (kernel/sched/idle.c:325) 
[ 1137.811612][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1137.811615][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1137.811621][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1137.811625][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1137.811631][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1137.811636][ C1] __put_net (net/core/net_namespace.c:732) 
[ 1137.811641][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1137.811644][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1137.811647][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1137.811652][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1137.811657][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1137.811662][ C1] rcu_core (kernel/rcu/tree.c:2834) 
[ 1137.811666][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 1137.811674][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1137.811677][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 1137.811680][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1137.811683][    C1]  </IRQ>
[ 1137.811685][    C1]  <TASK>
[ 1137.811687][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1137.811690][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1137.811694][ C1] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1137.811697][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 1137.811701][    C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffffb28125d9
[ 1137.811703][    C1] RDX: ffffed1006c166fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1137.811705][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa
[ 1137.811707][    C1] R10: ffff8880360b37d3 R11: ffff888002ab8558 R12: 0000000000000000
[ 1137.811709][    C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000
[ 1137.811712][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1137.811715][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1137.811720][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1137.811722][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1137.811725][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1137.811728][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1137.811733][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1137.811738][ C1] do_idle (kernel/sched/idle.c:325) 
[ 1137.811742][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1137.811746][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1137.811749][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 1137.811754][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [ 1141.085671][    C3] INFO: lockdep is turned off.
| [ 1141.085859][    C3] Preemption disabled at:
| [ 1141.085861][ C3] 0x0 
| [ 1141.086198][    C3] Tainted: [W]=WARN
[ 1141.086199][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1141.086202][    C3] Call Trace:
[ 1141.086204][    C3]  <IRQ>
[ 1141.086207][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1141.086219][ C3] __might_resched (kernel/sched/core.c:8796) 
[ 1141.086228][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 1141.086234][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 1141.086237][ C3] ? simple_recursive_removal (fs/libfs.c:614) 
[ 1141.086243][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1141.086252][ 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) 
[ 1141.086259][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 1141.086261][ 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) 
[ 1141.086264][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 1141.086273][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 1141.086276][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:411 lib/ref_tracker.c:195) 
[ 1141.086283][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 1141.086287][ 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:2376) 
[ 1141.086295][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1141.086302][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 1141.086305][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 1141.086311][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1141.086316][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1141.086322][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1141.086325][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1141.086329][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1141.086331][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1141.086338][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 1141.086341][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1141.086344][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1141.086350][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) 
[ 1141.086355][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 1141.086362][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1141.086367][ C3] __put_net (net/core/net_namespace.c:732) 
[ 1141.086372][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 1141.086376][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 1141.086379][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 1141.086384][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 1141.086388][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 1141.086394][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1141.086400][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 1141.086405][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 1141.086413][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 1141.086416][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 1141.086419][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 1141.086422][    C3]  </IRQ>
[ 1141.086424][    C3]  <TASK>
[ 1141.086425][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1141.086428][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 1141.086432][ C3] Code: f2 ce 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 17 28 00 fb f4 <e9> fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	f2 ce                	repnz (bad)
   2:	00 c3                	add    %al,%bl
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 17 28 00 	verw   0x281783(%rip)        # 0x2817ab
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	e9 fc 54 02 00       	jmp    0x2552b		<-- trapping instruction
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00 
  39:	66 90                	xchg   %ax,%ax
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	e9 fc 54 02 00       	jmp    0x25501
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00 
   f:	66 90                	xchg   %ax,%ax
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[ 1141.086435][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[ 1141.086439][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb28125d9
[ 1141.086441][    C3] RDX: ffffed1006c366fb RSI: ffffffffb2c58b60 RDI: ffffffffaff8f5bf
[ 1141.086443][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa
[ 1141.086445][    C3] R10: ffff8880361b37d3 R11: ffffffffb62e2810 R12: 0000000000000000
[ 1141.086446][    C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000
[ 1141.086450][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 1141.086453][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1141.086458][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) 
[ 1141.086460][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 1141.086462][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 1141.086466][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 1141.086470][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 1141.086475][ C3] do_idle (kernel/sched/idle.c:325) 
[ 1141.086479][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 1141.086486][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 1141.086489][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


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
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal