======================================
| [ 15.774187][ C3] #2: ffffffffac1794e0 (rcu_read_lock){....}-{1:3}, at: 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) 
| [ 15.774816][ C3] #3: ffffffffac1793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.775438][    C3]
| [   15.775438][    C3] stack backtrace:
[   15.775886][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.775889][    C3] Call Trace:
[   15.775892][    C3]  <IRQ>
[ 15.775895][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.775903][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.775912][ C3] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.775925][ C3] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.775932][ C3] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.775938][ C3] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.775943][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:874 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.775949][ C3] ? qlist_free_all (mm/kasan/quarantine.c:174) 
[ 15.775956][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.775962][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.775968][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.775975][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.775980][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.775987][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.775992][ C3] ? xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.775996][ C3] xa_set_mark (lib/xarray.c:2076 lib/xarray.c:2146) 
[ 15.776001][ C3] ? __pfx_xa_set_mark (lib/xarray.c:2144) 
[ 15.776005][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.776015][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.776022][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:54 lib/ref_tracker.c:223) 
[ 15.776029][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.776034][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 15.776038][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:213) 
[ 15.776042][ C3] ? ref_tracker_free (lib/ref_tracker.c:281) 
[ 15.776045][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.776049][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:281) 
[ 15.776052][ 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:2368) 
[ 15.776056][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 15.776059][ C3] ? rcu_core (kernel/rcu/tree.c:2834) 
[ 15.776062][ C3] ? handle_softirqs (kernel/softirq.c:580) 
[ 15.776068][ C3] __put_net (./include/linux/llist.h:238 ./include/linux/llist.h:265 net/core/net_namespace.c:732) 
[ 15.776073][ C3] ? set_track_prepare (mm/slub.c:936) 
[ 15.776077][ C3] ? __pfx___put_net (net/core/net_namespace.c:729) 
[ 15.776081][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 15.776085][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2368) 
[ 15.776089][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.776092][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) 
[ 15.776096][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.776099][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.776103][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 15.776106][ C3] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.776110][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.776115][ C3] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.776118][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 15.776124][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.776127][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.776130][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.776134][    C3]  </IRQ>
[   15.776135][    C3]  <TASK>
[ 15.776137][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.776140][ C3] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:106) 
[ 15.776144][ C3] Code: 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 48 01 da 49 39 d5 73 af <4c> 8d 63 fc 4c 39 e5 76 b2 4d 29 f7 49 c1 ff 02 4b 8d 14 7f 48 8d
All code
========
   0:	00 48 89             	add    %cl,-0x77(%rax)
   3:	da 48 c1             	fimull -0x3f(%rax)
   6:	ea                   	(bad)
   7:	03 0f                	add    (%rdi),%ecx
   9:	b6 34                	mov    $0x34,%dh
   b:	0a 48 89             	or     -0x77(%rax),%cl
   e:	da 83 e2 07 83 c2    	fiaddl -0x3d7cf81e(%rbx)
  14:	03 40 38             	add    0x38(%rax),%eax
  17:	f2 7c 05             	bnd jl 0x1f
  1a:	40 84 f6             	test   %sil,%sil
  1d:	75 4b                	jne    0x6a
  1f:	48 63 13             	movslq (%rbx),%rdx
  22:	48 01 da             	add    %rbx,%rdx
  25:	49 39 d5             	cmp    %rdx,%r13
  28:	73 af                	jae    0xffffffffffffffd9
  2a:*	4c 8d 63 fc          	lea    -0x4(%rbx),%r12		<-- trapping instruction
  2e:	4c 39 e5             	cmp    %r12,%rbp
  31:	76 b2                	jbe    0xffffffffffffffe5
  33:	4d 29 f7             	sub    %r14,%r15
  36:	49 c1 ff 02          	sar    $0x2,%r15
  3a:	4b 8d 14 7f          	lea    (%r15,%r15,2),%rdx
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d

Code starting with the faulting instruction
===========================================
   0:	4c 8d 63 fc          	lea    -0x4(%rbx),%r12
   4:	4c 39 e5             	cmp    %r12,%rbp
   7:	76 b2                	jbe    0xffffffffffffffbb
   9:	4d 29 f7             	sub    %r14,%r15
   c:	49 c1 ff 02          	sar    $0x2,%r15
  10:	4b 8d 14 7f          	lea    (%r15,%r15,2),%rdx
  14:	48                   	rex.W
  15:	8d                   	.byte 0x8d
[   15.776147][    C3] RSP: 0018:ffffc90000af77e8 EFLAGS: 00000293
[   15.776150][    C3] RAX: ffffffffad00ad36 RBX: ffffffffaccb3cf0 RCX: dffffc0000000000
[   15.776152][    C3] RDX: ffffffffa8acf8b9 RSI: 0000000000000000 RDI: ffffffffaccb3ce0
[   15.776154][    C3] RBP: ffffffffaccb3ce0 R08: 0000000000000000 R09: ffffc90000af7969
[   15.776155][    C3] R10: 0000000000000000 R11: ffffffffac1794e0 R12: ffffffffaccb3d04
[   15.776157][    C3] R13: ffffffffa8acf892 R14: ffffffffaccb3ce0 R15: ffffffffaccb3ce0
[ 15.776159][ C3] ? stack_trace_save (kernel/stacktrace.c:122) 
[ 15.776164][ C3] ? stack_trace_save (kernel/stacktrace.c:124) 
[ 15.776169][ C3] unwind_next_frame (arch/x86/kernel/unwind_orc.c:495) 
[ 15.776173][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 15.776176][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 15.776179][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.776183][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.776188][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 15.776190][ C3] ? kernel_text_address (kernel/extable.c:99) 
[ 15.776195][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 15.776199][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 15.776204][ C3] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 15.776208][ C3] stack_trace_save (kernel/stacktrace.c:123) 
[ 15.776211][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 15.776214][ C3] ? check_bytes_and_report (mm/slub.c:1212) 
[ 15.776220][ C3] ? check_object (mm/slub.c:1289 mm/slub.c:1388) 
[ 15.776223][ C3] set_track_prepare (mm/slub.c:936) 
[ 15.776226][ C3] ? init_object (mm/slub.c:1182) 
[ 15.776232][ C3] free_to_partial_list (mm/slub.c:4388) 
[ 15.776234][ C3] ? qlist_free_all (mm/kasan/quarantine.c:163 mm/kasan/quarantine.c:179) 
[ 15.776238][ C3] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 15.776242][ C3] ? load_elf_binary (./include/linux/slab.h:905 fs/binfmt_elf.c:904) 
[ 15.776246][ C3] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 15.776250][ C3] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 15.776254][ C3] __kmalloc_cache_noprof (mm/slub.c:4149 mm/slub.c:4197 mm/slub.c:4354) 
[ 15.776258][ C3] load_elf_binary (./include/linux/slab.h:905 fs/binfmt_elf.c:904) 
[ 15.776263][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.776269][ C3] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.776271][ C3] ? __pfx_load_elf_binary (fs/binfmt_elf.c:818) 
[ 15.776274][ C3] ? exec_binprm (fs/exec.c:1665 fs/exec.c:1697) 
[ 15.776280][ C3] exec_binprm (fs/exec.c:1667 fs/exec.c:1697) 
[ 15.776285][ C3] ? __pfx_exec_binprm (fs/exec.c:1681) 
[ 15.776288][ C3] ? bprm_execve (fs/exec.c:1739 fs/exec.c:1725) 
[ 15.776294][ C3] bprm_execve (fs/exec.c:1749 fs/exec.c:1725) 
[ 15.776298][ C3] do_execveat_common.isra.0 (fs/exec.c:1855) 
[ 15.776303][ C3] __x64_sys_execve (fs/exec.c:2000) 
[ 15.776307][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.776310][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.776312][    C3] RIP: 0033:0x7f19af3ab40b
[ 15.776316][ C3] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.776319][    C3] RSP: 002b:00007ffc45d631e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.776321][    C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19af3ab40b
[   15.776323][    C3] RDX: 000055b5460126c0 RSI: 000055b546010570 RDI: 000055b546034700
[   15.776325][    C3] RBP: 000055b546034700 R08: 000055b546011f70 R09: 0000000000000020
[   15.776327][    C3] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock