======================================
| [ 472.495091][ C0] #1: ffffffffb4984af0 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce (./include/linux/srcu.h:161 ./include/linux/srcu.h:253 mm/kasan/quarantine.c:259) 
| [ 472.495569][ C0] #2: ffffc90000007d60 ((&icsk->icsk_retransmit_timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
| [  472.496045][    C0]
| [  472.496045][    C0] stack backtrace:
[  472.496341][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.496343][    C0] Call Trace:
[  472.496346][    C0]  <IRQ>
[ 472.496348][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 472.496356][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 472.496361][ C0] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 472.496365][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 472.496371][ C0] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 472.496375][ C0] mark_lock (kernel/locking/lockdep.c:4754) 
[ 472.496379][ C0] mark_usage (kernel/locking/lockdep.c:4643) 
[ 472.496382][ C0] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 472.496386][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 472.496390][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 472.496392][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 472.496397][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 472.496400][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 472.496403][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 472.496406][ C0] ? simple_pin_fs (fs/libfs.c:1066) 
[ 472.496408][ C0] simple_pin_fs (fs/libfs.c:1066) 
[ 472.496411][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 472.496414][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 472.496420][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 472.496424][ 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:2333) 
[ 472.496430][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 472.496432][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 472.496436][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 472.496438][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 472.496441][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 472.496444][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 472.496450][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 472.496455][ C0] ? kasan_report (mm/kasan/report.c:642) 
[ 472.496462][ C0] ? memchr_inv (lib/string.c:874) 
[ 472.496468][ C0] ? check_bytes_and_report (mm/slub.c:1210) 
[ 472.496473][ C0] ? check_object (mm/slub.c:1375 (discriminator 1)) 
[ 472.496476][ C0] ? free_slab (mm/slub.c:2703 (discriminator 3)) 
[ 472.496478][ C0] ? qlist_free_all (mm/kasan/quarantine.c:174) 
[ 472.496484][ C0] __put_net (net/core/net_namespace.c:732) 
[ 472.496487][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 472.496490][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 472.496496][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 472.496499][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 472.496501][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 472.496504][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 472.496509][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 472.496513][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 472.496517][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 472.496521][ C0] ? __downgrade_write (./include/linux/instrumented.h:82 (discriminator 20) ./include/linux/atomic/atomic-instrumented.h:3223 (discriminator 20) kernel/locking/rwsem.c:176 (discriminator 20) kernel/locking/rwsem.c:181 (discriminator 20) kernel/locking/rwsem.c:1396 (discriminator 20)) 
[ 472.496526][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 472.496530][ 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) 
[ 472.496534][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 472.496538][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 472.496540][ C0] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 472.496544][ C0] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 472.496547][ C0] run_timer_softirq (kernel/time/timer.c:2446) 
[ 472.496550][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 472.496554][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 472.496557][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 472.496560][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  472.496563][    C0]  </IRQ>
[  472.496564][    C0]  <TASK>
[ 472.496566][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 472.496568][ C0] RIP: 0010:kasan_report (mm/kasan/report.c:642) 
[ 472.496573][ C0] Code: e8 30 f5 ff ff 48 8d 7c 24 08 e8 d6 fb ff ff 0f b6 d3 48 89 ee 48 89 e7 e8 08 f7 ff ff b8 01 00 00 00 41 55 9d 48 83 c4 68 5b <5d> 41 5c 41 5d 41 5e c3 cc cc cc cc 31 c0 eb e8 66 66 2e 0f 1f 84
All code
========
   0:	e8 30 f5 ff ff       	call   0xfffffffffffff535
   5:	48 8d 7c 24 08       	lea    0x8(%rsp),%rdi
   a:	e8 d6 fb ff ff       	call   0xfffffffffffffbe5
   f:	0f b6 d3             	movzbl %bl,%edx
  12:	48 89 ee             	mov    %rbp,%rsi
  15:	48 89 e7             	mov    %rsp,%rdi
  18:	e8 08 f7 ff ff       	call   0xfffffffffffff725
  1d:	b8 01 00 00 00       	mov    $0x1,%eax
  22:	41 55                	push   %r13
  24:	9d                   	popf
  25:	48 83 c4 68          	add    $0x68,%rsp
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	41 5d                	pop    %r13
  2f:	41 5e                	pop    %r14
  31:	c3                   	ret
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	31 c0                	xor    %eax,%eax
  38:	eb e8                	jmp    0x22
  3a:	66                   	data16
  3b:	66                   	data16
  3c:	2e                   	cs
  3d:	0f                   	.byte 0xf
  3e:	1f                   	(bad)
  3f:	84                   	.byte 0x84

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	41 5d                	pop    %r13
   5:	41 5e                	pop    %r14
   7:	c3                   	ret
   8:	cc                   	int3
   9:	cc                   	int3
   a:	cc                   	int3
   b:	cc                   	int3
   c:	31 c0                	xor    %eax,%eax
   e:	eb e8                	jmp    0xfffffffffffffff8
  10:	66                   	data16
  11:	66                   	data16
  12:	2e                   	cs
  13:	0f                   	.byte 0xf
  14:	1f                   	(bad)
  15:	84                   	.byte 0x84
[  472.496576][    C0] RSP: 0018:ffffc90003ac7708 EFLAGS: 00000296
[  472.496580][    C0] RAX: 0000000000000000 RBX: ffff8880111d3b80 RCX: ffffffffb379fb24
[  472.496582][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880111d3b80
[  472.496583][    C0] RBP: 0000000000002177 R08: ffff8880111d2350 R09: 000000000000006b
[  472.496585][    C0] R10: ffffffffb51f7b97 R11: ffff8880010bd318 R12: 6b6b6b6b6b6b6b6b
[  472.496587][    C0] R13: 0000000000000292 R14: dffffc0000000000 R15: ffff8880019ba340
[ 472.496591][ C0] ? memchr_inv (lib/string.c:874) 
[ 472.496596][ C0] memchr_inv (lib/string.c:874) 
[ 472.496601][ C0] check_bytes_and_report (mm/slub.c:1210) 
[ 472.496606][ C0] check_object (mm/slub.c:1375 (discriminator 1)) 
[ 472.496611][ C0] free_slab (mm/slub.c:2703 (discriminator 3)) 
[ 472.496614][ C0] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 472.496618][ C0] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 472.496623][ C0] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 472.496627][ C0] kmem_cache_alloc_node_noprof (mm/slub.c:4148 mm/slub.c:4196 mm/slub.c:4248) 
[ 472.496631][ C0] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499) 
[ 472.496636][ C0] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/net/ip.h:502) 
[ 472.496640][ C0] __alloc_skb (net/core/skbuff.c:659) 
[ 472.496644][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 472.496649][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 472.496654][ C0] tcp_stream_alloc_skb (./include/linux/skbuff.h:1387 net/ipv4/tcp.c:894) 
[ 472.496657][ C0] tcp_sendmsg_locked (net/ipv4/tcp.c:1204) 
[ 472.496665][ C0] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 472.496668][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 472.496673][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 472.496677][ C0] tcp_sendmsg (net/ipv4/tcp.c:1401) 
[ 472.496680][ C0] sock_write_iter (net/socket.c:712 net/socket.c:727 net/socket.c:1131) 
[ 472.496684][ C0] ? __pfx_sock_write_iter (net/socket.c:1115) 
[ 472.496691][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 472.496694][ C0] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 472.496699][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 472.496702][ C0] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 472.496706][ C0] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 472.496713][ C0] ksys_write (fs/read_write.c:736) 
[ 472.496716][ C0] ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1422 arch/x86/kernel/fpu/xstate.c:1466) 
[ 472.496721][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 472.496725][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 472.496731][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.496734][    C0] RIP: 0033:0x7fd2a9ababaf
[ 472.496739][ C0] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 d0 f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc d0 f5 ff 48
All code
========
   0:	89 54 24 18          	mov    %edx,0x18(%rsp)
   4:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
   9:	89 7c 24 08          	mov    %edi,0x8(%rsp)
   d:	e8 89 d0 f5 ff       	call   0xfffffffffff5d09b
  12:	48 8b 54 24 18       	mov    0x18(%rsp),%rdx
  17:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  1c:	41 89 c0             	mov    %eax,%r8d
  1f:	8b 7c 24 08          	mov    0x8(%rsp),%edi
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 31                	ja     0x63
  32:	44 89 c7             	mov    %r8d,%edi
  35:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  3a:	e8 dc d0 f5 ff       	call   0xfffffffffff5d11b
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 31                	ja     0x39
   8:	44 89 c7             	mov    %r8d,%edi
   b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  10:	e8 dc d0 f5 ff       	call   0xfffffffffff5d0f1
  15:	48                   	rex.W
[  472.496741][    C0] RSP: 002b:00007fd2a9273cd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  472.496744][    C0] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd2a9ababaf
[  472.496746][    C0] RDX: 0000000000000010 RSI: 00007fd2a9275000 RDI: 0000000000000007
[  472.496747][    C0] RBP: 00007fd2a9275000 R08: 0000000000000002 R09: 00007ffc6ea11f0f
[  472.496749][    C0] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000007
[  472.496750][    C0] R13: 0000000000000010 R14: 00007fd2a9273d60 R15: 000055da80a8fa90
| [  472.528618][    C0] RCU nest depth: 0, expected: 0
| [  472.528842][    C0] INFO: lockdep is turned off.
| [  472.529081][    C0] Preemption disabled at:
| [ 472.529083][ C0] handle_softirqs (kernel/softirq.c:553) 
[  472.529558][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.529560][    C0] Call Trace:
[  472.529562][    C0]  <IRQ>
[ 472.529565][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 472.529573][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 472.529582][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 472.529586][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 472.529588][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 472.529594][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 472.529600][ 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) 
[ 472.529607][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 472.529610][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 472.529615][ 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) 
[ 472.529620][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 472.529623][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 472.529629][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 472.529633][ 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:2333) 
[ 472.529639][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 472.529644][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 472.529647][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 472.529650][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 472.529653][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 472.529656][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 472.529661][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 472.529666][ C0] ? kasan_report (mm/kasan/report.c:642) 
[ 472.529673][ C0] ? memchr_inv (lib/string.c:874) 
[ 472.529679][ C0] ? check_bytes_and_report (mm/slub.c:1210) 
[ 472.529685][ C0] ? check_object (mm/slub.c:1375 (discriminator 1)) 
[ 472.529687][ C0] ? free_slab (mm/slub.c:2703 (discriminator 3)) 
[ 472.529690][ C0] ? qlist_free_all (mm/kasan/quarantine.c:174) 
[ 472.529697][ C0] __put_net (net/core/net_namespace.c:732) 
[ 472.529700][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 472.529704][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 472.529711][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 472.529713][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 472.529716][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 472.529718][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 472.529723][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 472.529727][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 472.529731][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 472.529735][ C0] ? __downgrade_write (./include/linux/instrumented.h:82 (discriminator 20) ./include/linux/atomic/atomic-instrumented.h:3223 (discriminator 20) kernel/locking/rwsem.c:176 (discriminator 20) kernel/locking/rwsem.c:181 (discriminator 20) kernel/locking/rwsem.c:1396 (discriminator 20)) 
[ 472.529740][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 472.529744][ 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) 
[ 472.529748][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 472.529751][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 472.529754][ C0] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 472.529758][ C0] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 472.529761][ C0] run_timer_softirq (kernel/time/timer.c:2446) 
[ 472.529764][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 472.529768][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 472.529771][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 472.529774][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  472.529777][    C0]  </IRQ>
[  472.529778][    C0]  <TASK>
[ 472.529780][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 472.529782][ C0] RIP: 0010:kasan_report (mm/kasan/report.c:642) 
[ 472.529787][ C0] Code: e8 30 f5 ff ff 48 8d 7c 24 08 e8 d6 fb ff ff 0f b6 d3 48 89 ee 48 89 e7 e8 08 f7 ff ff b8 01 00 00 00 41 55 9d 48 83 c4 68 5b <5d> 41 5c 41 5d 41 5e c3 cc cc cc cc 31 c0 eb e8 66 66 2e 0f 1f 84
All code
========
   0:	e8 30 f5 ff ff       	call   0xfffffffffffff535
   5:	48 8d 7c 24 08       	lea    0x8(%rsp),%rdi
   a:	e8 d6 fb ff ff       	call   0xfffffffffffffbe5
   f:	0f b6 d3             	movzbl %bl,%edx
  12:	48 89 ee             	mov    %rbp,%rsi
  15:	48 89 e7             	mov    %rsp,%rdi
  18:	e8 08 f7 ff ff       	call   0xfffffffffffff725
  1d:	b8 01 00 00 00       	mov    $0x1,%eax
  22:	41 55                	push   %r13
  24:	9d                   	popf
  25:	48 83 c4 68          	add    $0x68,%rsp
  29:	5b                   	pop    %rbx
  2a:*	5d                   	pop    %rbp		<-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	41 5d                	pop    %r13
  2f:	41 5e                	pop    %r14
  31:	c3                   	ret
  32:	cc                   	int3
  33:	cc                   	int3
  34:	cc                   	int3
  35:	cc                   	int3
  36:	31 c0                	xor    %eax,%eax
  38:	eb e8                	jmp    0x22
  3a:	66                   	data16
  3b:	66                   	data16
  3c:	2e                   	cs
  3d:	0f                   	.byte 0xf
  3e:	1f                   	(bad)
  3f:	84                   	.byte 0x84

Code starting with the faulting instruction
===========================================
   0:	5d                   	pop    %rbp
   1:	41 5c                	pop    %r12
   3:	41 5d                	pop    %r13
   5:	41 5e                	pop    %r14
   7:	c3                   	ret
   8:	cc                   	int3
   9:	cc                   	int3
   a:	cc                   	int3
   b:	cc                   	int3
   c:	31 c0                	xor    %eax,%eax
   e:	eb e8                	jmp    0xfffffffffffffff8
  10:	66                   	data16
  11:	66                   	data16
  12:	2e                   	cs
  13:	0f                   	.byte 0xf
  14:	1f                   	(bad)
  15:	84                   	.byte 0x84
[  472.529790][    C0] RSP: 0018:ffffc90003ac7708 EFLAGS: 00000296
[  472.529794][    C0] RAX: 0000000000000000 RBX: ffff8880111d3b80 RCX: ffffffffb379fb24
[  472.529796][    C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880111d3b80
[  472.529798][    C0] RBP: 0000000000002177 R08: ffff8880111d2350 R09: 000000000000006b
[  472.529800][    C0] R10: ffffffffb51f7b97 R11: ffff8880010bd318 R12: 6b6b6b6b6b6b6b6b
[  472.529801][    C0] R13: 0000000000000292 R14: dffffc0000000000 R15: ffff8880019ba340
[ 472.529805][ C0] ? memchr_inv (lib/string.c:874) 
[ 472.529811][ C0] memchr_inv (lib/string.c:874) 
[ 472.529815][ C0] check_bytes_and_report (mm/slub.c:1210) 
[ 472.529820][ C0] check_object (mm/slub.c:1375 (discriminator 1)) 
[ 472.529824][ C0] free_slab (mm/slub.c:2703 (discriminator 3)) 
[ 472.529827][ C0] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 472.529831][ C0] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 472.529835][ C0] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 472.529840][ C0] kmem_cache_alloc_node_noprof (mm/slub.c:4148 mm/slub.c:4196 mm/slub.c:4248) 
[ 472.529844][ C0] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/ip.h:499) 
[ 472.529850][ C0] ? ip_dst_mtu_maybe_forward.constprop.0 (./include/net/ip.h:502) 
[ 472.529854][ C0] __alloc_skb (net/core/skbuff.c:659) 
[ 472.529859][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:642) 
[ 472.529864][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) 
[ 472.529868][ C0] tcp_stream_alloc_skb (./include/linux/skbuff.h:1387 net/ipv4/tcp.c:894) 
[ 472.529872][ C0] tcp_sendmsg_locked (net/ipv4/tcp.c:1204) 
[ 472.529880][ C0] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1061) 
[ 472.529883][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 472.529888][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:412) 
[ 472.529892][ C0] tcp_sendmsg (net/ipv4/tcp.c:1401) 
[ 472.529895][ C0] sock_write_iter (net/socket.c:712 net/socket.c:727 net/socket.c:1131) 
[ 472.529899][ C0] ? __pfx_sock_write_iter (net/socket.c:1115) 
[ 472.529905][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 472.529909][ C0] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 472.529913][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 472.529917][ C0] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 472.529920][ C0] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1057) 
[ 472.529927][ C0] ksys_write (fs/read_write.c:736) 
[ 472.529930][ C0] ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1422 arch/x86/kernel/fpu/xstate.c:1466) 
[ 472.529936][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 472.529940][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 472.529946][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.529949][    C0] RIP: 0033:0x7fd2a9ababaf
[ 472.529954][ C0] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 d0 f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc d0 f5 ff 48
All code
========
   0:	89 54 24 18          	mov    %edx,0x18(%rsp)
   4:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
   9:	89 7c 24 08          	mov    %edi,0x8(%rsp)
   d:	e8 89 d0 f5 ff       	call   0xfffffffffff5d09b
  12:	48 8b 54 24 18       	mov    0x18(%rsp),%rdx
  17:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  1c:	41 89 c0             	mov    %eax,%r8d
  1f:	8b 7c 24 08          	mov    0x8(%rsp),%edi
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 31                	ja     0x63
  32:	44 89 c7             	mov    %r8d,%edi
  35:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  3a:	e8 dc d0 f5 ff       	call   0xfffffffffff5d11b
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 31                	ja     0x39
   8:	44 89 c7             	mov    %r8d,%edi
   b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  10:	e8 dc d0 f5 ff       	call   0xfffffffffff5d0f1
  15:	48                   	rex.W
[  472.529956][    C0] RSP: 002b:00007fd2a9273cd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  472.529959][    C0] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd2a9ababaf
[  472.529961][    C0] RDX: 0000000000000010 RSI: 00007fd2a9275000 RDI: 0000000000000007
[  472.529962][    C0] RBP: 00007fd2a9275000 R08: 0000000000000002 R09: 00007ffc6ea11f0f
[  472.529964][    C0] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000007
[  472.529966][    C0] R13: 0000000000000010 R14: 00007fd2a9273d60 R15: 000055da80a8fa90
| [  505.253873][    C3] INFO: lockdep is turned off.
| [  505.254170][    C3] Preemption disabled at:
| [ 505.254173][ C3] 0x0 
| [  505.254697][    C3] Tainted: [W]=WARN
[  505.254699][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  505.254703][    C3] Call Trace:
[  505.254706][    C3]  <IRQ>
[ 505.254710][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 505.254722][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 505.254731][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 505.254735][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 505.254738][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 505.254744][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.254750][ 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) 
[ 505.254757][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 505.254760][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 505.254766][ 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) 
[ 505.254771][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 505.254774][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 505.254780][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 505.254783][ C3] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 505.254790][ C3] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 505.254795][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 505.254798][ C3] ? handle_softirqs (kernel/softirq.c:579) 
[ 505.254805][ C3] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.254808][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 505.254810][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 505.254816][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.254821][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.254824][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.254828][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.254831][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.254835][ C3] ? do_idle (kernel/sched/idle.c:325) 
[ 505.254838][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 505.254841][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 505.254847][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.254851][ C3] __put_net (net/core/net_namespace.c:732) 
[ 505.254854][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 505.254858][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.254864][ C3] call_timer_fn (kernel/time/timer.c:1789) 
[ 505.254867][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.254869][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 505.254872][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 505.254874][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.254878][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.254882][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 505.254886][ C3] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 505.254889][ C3] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 505.254897][ C3] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 505.254901][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) 
[ 505.254907][ C3] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 505.254912][ 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) 
[ 505.254917][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 505.254922][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 505.254925][ C3] ? run_timer_base (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 505.254933][ C3] run_timer_base (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2435) 
[ 505.254936][ C3] run_timer_softirq (kernel/time/timer.c:2446) 
[ 505.254939][ C3] handle_softirqs (kernel/softirq.c:579) 
[ 505.254944][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 505.254947][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 505.254950][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  505.254953][    C3]  </IRQ>
[  505.254954][    C3]  <TASK>
[ 505.254955][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 505.254958][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 505.254962][ C3] Code: 00 b2 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 a3 b0 0b 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[  505.254965][    C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246
[  505.254970][    C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffffb37d7a19
[  505.254972][    C3] RDX: ffffed1006c3667b RSI: ffffffffb3a55c60 RDI: ffffffffb0f871ef
[  505.254974][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c3667a
[  505.254975][    C3] R10: ffff8880361b33d3 R11: ffff888001ba4b58 R12: 0000000000000000
[  505.254977][    C3] R13: ffff888001bbc640 R14: dffffc0000000000 R15: 0000000000000000
[ 505.254983][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 505.254986][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.254990][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 505.254993][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 505.254996][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 505.254999][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 505.255002][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 505.255009][ C3] do_idle (kernel/sched/idle.c:325) 
[ 505.255012][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 505.255015][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 505.255018][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 
[ 505.255025][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  578.982872][    C0] INFO: lockdep is turned off.
| [  578.983071][    C0] Preemption disabled at:
| [ 578.983073][ C0] schedule_preempt_disabled (kernel/sched/core.c:6919) 
| [  578.983534][    C0] Tainted: [W]=WARN
[  578.983535][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  578.983538][    C0] Call Trace:
[  578.983540][    C0]  <IRQ>
[ 578.983542][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 578.983550][ C0] __might_resched (kernel/sched/core.c:8819) 
[ 578.983559][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 578.983562][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 578.983565][ C0] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 578.983571][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 578.983577][ 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) 
[ 578.983585][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 578.983587][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 578.983593][ 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) 
[ 578.983598][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 578.983601][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 578.983607][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 578.983610][ 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:2333) 
[ 578.983617][ C0] ? call_timer_fn (kernel/time/timer.c:1789) 
[ 578.983622][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 578.983625][ C0] ? tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 578.983628][ C0] ? __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 578.983634][ C0] ? tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 578.983637][ C0] ? handle_softirqs (kernel/softirq.c:579) 
[ 578.983643][ C0] ? __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 578.983646][ C0] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 578.983649][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 578.983654][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 578.983659][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 578.983663][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 578.983666][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 578.983669][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 578.983675][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 578.983679][ C0] __put_net (net/core/net_namespace.c:732) 
[ 578.983682][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 578.983686][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 578.983692][ C0] call_timer_fn (kernel/time/timer.c:1789) 
[ 578.983695][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 578.983698][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1779) 
[ 578.983700][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1766) 
[ 578.983704][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 578.983708][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 578.983712][ C0] __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2414) 
[ 578.983715][ C0] ? __pfx_tcp_write_timer (net/ipv4/tcp_timer.c:727) 
[ 578.983720][ C0] ? __pfx___run_timers (kernel/time/timer.c:2385) 
[ 578.983724][ 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) 
[ 578.983727][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 578.983731][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 578.983733][ C0] ? timer_expire_remote (kernel/time/timer.c:2426 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 578.983738][ C0] timer_expire_remote (kernel/time/timer.c:2427 kernel/time/timer.c:2418 kernel/time/timer.c:2177) 
[ 578.983741][ C0] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 kernel/time/timer_migration.c:961) 
[ 578.983745][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 578.983748][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:905) 
[ 578.983751][ C0] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5879) 
[ 578.983754][ C0] ? __pfx_run_posix_cpu_timers (kernel/time/posix-cpu-timers.c:1403) 
[ 578.983759][ 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) 
[ 578.983763][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 578.983767][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 578.983771][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1038) 
[ 578.983774][ C0] ? __pfx_tmigr_handle_remote_up (kernel/time/timer_migration.c:1005) 
[ 578.983777][ C0] __walk_groups.isra.0 (kernel/time/timer_migration.c:533) 
[ 578.983782][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:1096) 
[ 578.983784][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) 
[ 578.983786][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 578.983792][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 578.983796][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 578.983801][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 578.983806][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 578.983809][ C0] irq_exit_rcu (kernel/softirq.c:698) 
[ 578.983812][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[  578.983816][    C0]  </IRQ>
[  578.983817][    C0]  <TASK>
[ 578.983818][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 578.983821][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 578.983825][ C0] Code: 00 b2 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 a3 b0 0b 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
All code
========
   0:	00 b2 00 c3 cc cc    	add    %dh,-0x33333d00(%rdx)
   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 a3 b0 0b 00 	verw   0xbb0a3(%rip)        # 0xbb0cb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  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:	c3                   	ret
   1:	cc                   	int3
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   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
[  578.983828][    C0] RSP: 0018:ffffffffb4407df8 EFLAGS: 00000246
[  578.983832][    C0] RAX: 0000000000000000 RBX: 1ffffffff6880fc3 RCX: ffffffffb37d7a19
[  578.983835][    C0] RDX: ffffed1006c0667b RSI: ffffffffb3a55c60 RDI: ffffffffb0f871ef
[  578.983837][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c0667a
[  578.983838][    C0] R10: ffff8880360333d3 R11: ffff888036027f4c R12: 0000000000000000
[  578.983840][    C0] R13: ffffffffb441f240 R14: dffffc0000000000 R15: 0000000000014770
[ 578.983844][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 578.983847][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 578.983852][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 578.983855][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 578.983857][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 578.983861][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 578.983864][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 578.983869][ C0] do_idle (kernel/sched/idle.c:325) 
[ 578.983873][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 578.983876][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) 
[ 578.983878][ C0] start_kernel (init/main.c:1049 (discriminator 1)) 
[ 578.983886][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:501) 
[ 578.983890][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:443 (discriminator 17)) 


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit