======================================
| [   11.841138][  T192] softirqs last disabled at (38378): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.841140][  T192] Preemption disabled at:
| [   11.841141][  T192] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.841150][  T192] Tainted: [W]=WARN
[   11.841151][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.841152][  T192] Call Trace:
[   11.841154][  T192]  <TASK>
[   11.841155][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.841162][  T192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.841164][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.841169][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.841173][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.841178][  T192]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.841180][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.841187][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.841190][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.841193][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   11.841196][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.841199][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.841204][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.841212][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.841215][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.841217][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.841222][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.841226][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.841227][  T192]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.841231][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.841232][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.841236][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.841241][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.841242][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.841248][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.841251][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.841252][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.841254][  T192]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.841258][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.841260][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.841262][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.841266][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.841267][  T192]  ? __queue_work (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/workqueue.c:2459 (discriminator 2))
[   11.841271][  T192]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   11.841275][  T192]  _printk (kernel/printk/printk.c:2504)
[   11.841279][  T192]  ? snapshot_read.cold (user.c:?)
[   11.841282][  T192]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   11.841286][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.841289][  T192]  ? queue_work_on (kernel/workqueue.c:2505 (discriminator 6))
[   11.841292][  T192] test_bpf (lib/test_bpf.c:267) test_bpf
[   11.841301][  T192]  ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf
[   11.841308][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.841312][  T192] test_bpf_init (lib/test_bpf.c:231) test_bpf
[   11.841316][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.841322][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.841325][  T192]  do_one_initcall (init/main.c:1357)
[   11.841329][  T192]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.841333][  T192]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.841336][  T192]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.841340][  T192]  do_init_module (kernel/module/main.c:3117)
[   11.841343][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.841347][  T192]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.841350][  T192]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.841353][  T192]  load_module (kernel/module/main.c:3593)
[   11.841359][  T192]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.841364][  T192]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.841367][  T192]  ? __ia32_sys_fsconfig (??:?)
[   11.841370][  T192]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   11.841375][  T192]  init_module_from_file (kernel/module/main.c:3790)
[   11.841378][  T192]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.841386][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.841389][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.841392][  T192]  idempotent_init_module (kernel/module/main.c:3802)
[   11.841395][  T192]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.841400][  T192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.841403][  T192]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.841410][  T192]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.841412][  T192]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.841416][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.841419][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.841421][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.841423][  T192] RIP: 0033:0x7f887a2dd37d
[   11.841427][  T192] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.841429][  T192] RSP: 002b:00007ffc4efe7b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.841431][  T192] RAX: ffffffffffffffda RBX: 000055cc4c30a970 RCX: 00007f887a2dd37d
[   11.841433][  T192] RDX: 0000000000000000 RSI: 000055cc1a14bffd RDI: 0000000000000005
[   11.841434][  T192] RBP: 00007ffc4efe7c00 R08: 0000000000000000 R09: 0000000000000000
[   11.841434][  T192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc1a14bffd
[   11.841435][  T192] R13: 000055cc4c30aaa0 R14: 0000000000040000 R15: 0000000000000000
| [   12.854555][  T192] softirqs last disabled at (401795): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.854559][  T192] Preemption disabled at:
| [   12.854560][  T192] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.854572][  T192] Tainted: [W]=WARN
[   12.854573][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.854575][  T192] Call Trace:
[   12.854577][  T192]  <TASK>
[   12.854580][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.854588][  T192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.854591][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.854597][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.854602][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.854609][  T192]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.854612][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.854622][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.854626][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.854631][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   12.854635][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.854640][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.854649][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.854660][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.854665][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.854669][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.854676][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.854682][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.854685][  T192]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.854691][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.854694][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.854700][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.854707][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.854709][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.854717][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.854722][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.854724][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.854727][  T192]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.854734][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.854737][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.854742][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.854747][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.854749][  T192]  ? __queue_work (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/workqueue.c:2459 (discriminator 2))
[   12.854756][  T192]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   12.854763][  T192]  _printk (kernel/printk/printk.c:2504)
[   12.854768][  T192]  ? snapshot_read.cold (user.c:?)
[   12.854775][  T192]  ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3))
[   12.854780][  T192]  ? queue_work_on (kernel/workqueue.c:2505 (discriminator 6))
[   12.854785][  T192] test_bpf (lib/test_bpf.c:267) test_bpf
[   12.854799][  T192]  ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf
[   12.854812][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   12.854818][  T192] test_bpf_init (lib/test_bpf.c:231) test_bpf
[   12.854825][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   12.854837][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   12.854842][  T192]  do_one_initcall (init/main.c:1357)
[   12.854847][  T192]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.854855][  T192]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.854859][  T192]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.854867][  T192]  do_init_module (kernel/module/main.c:3117)
[   12.854873][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.854878][  T192]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.854883][  T192]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.854890][  T192]  load_module (kernel/module/main.c:3593)
[   12.854899][  T192]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.854906][  T192]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.854912][  T192]  ? __ia32_sys_fsconfig (??:?)
[   12.854916][  T192]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   12.854925][  T192]  init_module_from_file (kernel/module/main.c:3790)
[   12.854930][  T192]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.854944][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.854950][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.854955][  T192]  idempotent_init_module (kernel/module/main.c:3802)
[   12.854960][  T192]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.854970][  T192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.854973][  T192]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.854982][  T192]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.854984][  T192]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.854990][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.854994][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.854999][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.855002][  T192] RIP: 0033:0x7f887a2dd37d
[   12.855008][  T192] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  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 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.855011][  T192] RSP: 002b:00007ffc4efe7b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.855015][  T192] RAX: ffffffffffffffda RBX: 000055cc4c30a970 RCX: 00007f887a2dd37d
[   12.855017][  T192] RDX: 0000000000000000 RSI: 000055cc1a14bffd RDI: 0000000000000005
[   12.855018][  T192] RBP: 00007ffc4efe7c00 R08: 0000000000000000 R09: 0000000000000000
[   12.855020][  T192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc1a14bffd


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars