======================================
| [   10.851186][  T192] softirqs last disabled at (45156): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.851189][  T192] Preemption disabled at:
| [   10.851190][  T192] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.851199][  T192] Tainted: [W]=WARN
[   10.851200][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.851201][  T192] Call Trace:
[   10.851203][  T192]  <TASK>
[   10.851205][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.851211][  T192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.851213][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.851217][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.851222][  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)
[   10.851226][  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))
[   10.851228][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.851235][  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)
[   10.851238][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.851242][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   10.851244][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.851247][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.851253][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.851261][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.851264][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851267][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.851271][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.851275][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.851277][  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))
[   10.851281][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851282][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.851287][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.851291][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.851293][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.851299][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.851302][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.851304][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.851306][  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)
[   10.851310][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.851312][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.851314][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.851318][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.851319][  T192]  ? __queue_work (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/workqueue.c:2459 (discriminator 2))
[   10.851324][  T192]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   10.851328][  T192]  _printk (kernel/printk/printk.c:2504)
[   10.851332][  T192]  ? snapshot_read.cold (user.c:?)
[   10.851336][  T192]  ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3))
[   10.851339][  T192]  ? queue_work_on (kernel/workqueue.c:2505 (discriminator 6))
[   10.851343][  T192] test_bpf (lib/test_bpf.c:267) test_bpf
[   10.851352][  T192]  ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf
[   10.851361][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   10.851364][  T192] test_bpf_init (lib/test_bpf.c:231) test_bpf
[   10.851368][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   10.851375][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   10.851378][  T192]  do_one_initcall (init/main.c:1357)
[   10.851381][  T192]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.851386][  T192]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.851388][  T192]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.851394][  T192]  do_init_module (kernel/module/main.c:3117)
[   10.851397][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.851401][  T192]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.851404][  T192]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.851408][  T192]  load_module (kernel/module/main.c:3593)
[   10.851413][  T192]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   10.851418][  T192]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.851421][  T192]  ? __ia32_sys_fsconfig (??:?)
[   10.851424][  T192]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   10.851430][  T192]  init_module_from_file (kernel/module/main.c:3790)
[   10.851432][  T192]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.851440][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.851444][  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)
[   10.851447][  T192]  idempotent_init_module (kernel/module/main.c:3802)
[   10.851450][  T192]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.851455][  T192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.851458][  T192]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   10.851464][  T192]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.851465][  T192]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.851469][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.851473][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.851475][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.851478][  T192] RIP: 0033:0x7f63510ac37d
[   10.851481][  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
[   10.851483][  T192] RSP: 002b:00007ffe34192ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.851486][  T192] RAX: ffffffffffffffda RBX: 0000556135c05970 RCX: 00007f63510ac37d
[   10.851487][  T192] RDX: 0000000000000000 RSI: 000055612ec38ffd RDI: 0000000000000005
[   10.851488][  T192] RBP: 00007ffe34192c40 R08: 0000000000000000 R09: 0000000000000000
[   10.851489][  T192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055612ec38ffd
[   10.851489][  T192] R13: 0000556135c05aa0 R14: 0000000000040000 R15: 0000000000000000
| [   11.517309][    C0]
| [   11.517309][    C0]
| [   11.517309][    C0] stack backtrace:
| [   11.517316][    C0] Tainted: [W]=WARN
[   11.517317][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.517318][    C0] Call Trace:
[   11.517320][    C0]  <IRQ>
[   11.517321][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.517326][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   11.517328][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   11.517330][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   11.517333][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   11.517336][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   11.517338][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   11.517340][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.517342][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   11.517344][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.517347][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.517349][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   11.517351][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   11.517353][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   11.517354][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.517356][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   11.517358][    C0]  _printk (kernel/printk/printk.c:2504)
[   11.517360][    C0]  ? snapshot_read.cold (user.c:?)
[   11.517362][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   11.517364][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.517366][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   11.517368][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.517370][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.517372][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   11.517374][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   11.517376][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   11.517379][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.517381][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.517383][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.517385][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   11.517386][  T192] jited:1
[   11.517387][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.517390][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   11.517392][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.517395][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.517398][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   11.517400][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   11.517402][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.517405][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.517406][    C0]  handle_softirqs (kernel/softirq.c:645)
[   11.517408][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.517410][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   11.517412][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   11.517414][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   11.517415][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   11.517417][    C0]  </IRQ>
[   11.517418][    C0]  <TASK>
[   11.517418][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.517420][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   11.517421][  T192] 11
[   11.517422][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   11.517425][  T192] PASS
[   11.517425][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   11.517427][    C0] RSP: 0018:ffffffffb7c07cf8 EFLAGS: 00000296
[   11.517429][    C0] RAX: 000000000004c40d RBX: ffffffffb7c30600 RCX: ffffffffb4306247
[   11.517430][    C0] RDX: ffffffffb7c30600 RSI: ffffffffb7511027 RDI: ffffffffb6e949e0
[   11.517431][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   11.517432][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6f80fa2
[   11.517433][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   11.517435][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.517437][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.517439][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   11.517441][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   11.517442][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.517443][  T192] test_bpf: #671 ALU32_IMM_RSH to R8: no clobbering
[   11.517444][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   11.517446][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   11.517449][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.517451][    C0]  do_idle (kernel/sched/idle.c:355)
[   11.517452][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   11.517454][    C0]  rest_init (init/main.c:727)
[   11.517456][    C0]  ? __cpuidle_text_end (??:?)
[   11.517459][    C0]  ? rest_init (init/main.c:727)
[   11.517461][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   11.517464][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   11.517466][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   11.517468][    C0]  start_kernel (init/main.c:1185)
[   11.517470][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   11.517472][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   11.517474][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   11.859181][  T192] softirqs last disabled at (288564): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.859183][  T192] Preemption disabled at:
| [   11.859184][  T192] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.859193][  T192] Tainted: [W]=WARN
[   11.859194][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.859196][  T192] Call Trace:
[   11.859197][  T192]  <TASK>
[   11.859199][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.859205][  T192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.859206][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.859209][  T192]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   11.859213][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.859216][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859219][  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))
[   11.859221][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.859224][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.859228][  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)
[   11.859230][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.859233][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   11.859234][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.859236][  T192]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   11.859238][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.859243][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.859245][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859246][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859247][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859249][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.859252][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.859254][  T192]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   11.859257][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859258][  T192]  ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3))
[   11.859259][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859261][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   11.859262][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.859265][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.859267][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.859269][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859271][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.859273][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859273][  T192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.859275][  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)
[   11.859276][  T192]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   11.859278][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.859280][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.859281][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.859283][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.859284][  T192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.859286][  T192]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   11.859289][  T192]  _printk (kernel/printk/printk.c:2504)
[   11.859292][  T192]  ? snapshot_read.cold (user.c:?)
[   11.859294][  T192]  ? rcu_is_watching (kernel/rcu/tree.c:754 (discriminator 3))
[   11.859296][  T192]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   11.859297][  T192] test_bpf (lib/test_bpf.c:267) test_bpf
[   11.859304][  T192]  ? prepare_tail_call_tests.constprop.0 (lib/test_bpf.c:286) test_bpf
[   11.859308][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.859310][  T192] test_bpf_init (lib/test_bpf.c:231) test_bpf
[   11.859313][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.859317][  T192]  ? test_bpf (lib/test_bpf.c:259) test_bpf
[   11.859319][  T192]  do_one_initcall (init/main.c:1357)
[   11.859322][  T192]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.859324][  T192]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.859326][  T192]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.859330][  T192]  do_init_module (kernel/module/main.c:3117)
[   11.859332][  T192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.859335][  T192]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.859336][  T192]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.859338][  T192]  load_module (kernel/module/main.c:3593)
[   11.859341][  T192]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.859344][  T192]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.859346][  T192]  ? __ia32_sys_fsconfig (??:?)
[   11.859349][  T192]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   11.859352][  T192]  init_module_from_file (kernel/module/main.c:3790)
[   11.859353][  T192]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.859356][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.859358][  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)
[   11.859360][  T192]  idempotent_init_module (kernel/module/main.c:3802)
[   11.859362][  T192]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.859364][  T192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.859366][  T192]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.859369][  T192]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.859370][  T192]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.859372][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.859375][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.859376][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.859378][  T192] RIP: 0033:0x7f63510ac37d
[   11.859382][  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
[   11.859383][  T192] RSP: 002b:00007ffe34192ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.859386][  T192] RAX: ffffffffffffffda RBX: 0000556135c05970 RCX: 00007f63510ac37d
[   11.859387][  T192] RDX: 0000000000000000 RSI: 000055612ec38ffd RDI: 0000000000000005
[   11.859388][  T192] RBP: 00007ffe34192c40 R08: 0000000000000000 R09: 0000000000000000
[   11.859389][  T192] R10: 0000000000000000 R11: 0000000000000246 R12: 000055612ec38ffd


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars