======================================
|
| WAIT TIMEOUT stdout
| [ 5989.798561][    C1] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000091: 0000 [#1] SMP KASAN NOPTI
| [ 5989.798982][    C1] KASAN: null-ptr-deref in range [0x0000000000000488-0x000000000000048f]
[ 5989.799547][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5989.799753][ C1] RIP: 0010:veth_xdp_rcv (./include/linux/netdevice.h:2630 (discriminator 13) drivers/net/veth.c:912 (discriminator 13)) 
[ 5989.799930][ C1] Code: 40 0d 00 00 e8 ff 39 de 00 85 c0 0f 85 c6 06 00 00 49 8d bc 24 88 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e b6 0a 00 00 41 3b ac 24 88 04
All code
========
   0:	40 0d 00 00 e8 ff    	rex or $0xffe80000,%eax
   6:	39 de                	cmp    %ebx,%esi
   8:	00 85 c0 0f 85 c6    	add    %al,-0x397af040(%rbp)
   e:	06                   	(bad)
   f:	00 00                	add    %al,(%rax)
  11:	49 8d bc 24 88 04 00 	lea    0x488(%r12),%rdi
  18:	00 
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df 
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
  2a:*	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax		<-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e b6 0a 00 00    	jle    0xaf0
  3a:	41                   	rex.B
  3b:	3b                   	.byte 0x3b
  3c:	ac                   	lods   %ds:(%rsi),%al
  3d:	24 88                	and    $0x88,%al
  3f:	04                   	.byte 0x4

Code starting with the faulting instruction
===========================================
   0:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
   4:	84 c0                	test   %al,%al
   6:	74 08                	je     0x10
   8:	3c 03                	cmp    $0x3,%al
   a:	0f 8e b6 0a 00 00    	jle    0xac6
  10:	41                   	rex.B
  11:	3b                   	.byte 0x3b
  12:	ac                   	lods   %ds:(%rsi),%al
  13:	24 88                	and    $0x88,%al
  15:	04                   	.byte 0x4
[ 5989.800515][    C1] RSP: 0018:ffffc900001c0a20 EFLAGS: 00010202
[ 5989.800726][    C1] RAX: dffffc0000000000 RBX: ffff88801a0f2000 RCX: 1ffff92000038153
[ 5989.800972][    C1] RDX: 0000000000000091 RSI: ffffffffa7c538c0 RDI: 0000000000000488
[ 5989.801223][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 5989.801470][    C1] R10: ffffc900001c0e90 R11: 0000000000000000 R12: 0000000000000000
[ 5989.801718][    C1] R13: ffffc900001c0bd0 R14: 0000000000000040 R15: ffffc900001c0bd0
[ 5989.801966][    C1] FS:  0000000000000000(0000) GS:ffff8880c2442000(0000) knlGS:0000000000000000
[ 5989.802253][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5989.802457][    C1] CR2: 00007f2020786000 CR3: 0000000023b48001 CR4: 0000000000772ef0
[ 5989.802711][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5989.802955][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5989.803204][    C1] PKRU: 55555554
[ 5989.803329][    C1] Call Trace:
[ 5989.803455][    C1]  <IRQ>
[ 5989.803540][ C1] ? timerqueue_add (lib/timerqueue.c:41) 
[ 5989.803714][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5989.803892][ C1] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:902) 
[ 5989.804055][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 5989.804219][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 5989.804422][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 5989.804587][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 5989.804787][ C1] ? napi_complete_done (./include/linux/hrtimer.h:264 net/core/dev.c:6585) 
[ 5989.804952][ C1] ? __pfx_napi_complete_done (net/core/dev.c:6521) 
[ 5989.805117][ C1] ? __pfx_napi_complete_done (net/core/dev.c:6521) 
[ 5989.805282][ C1] veth_poll (drivers/net/veth.c:981) 
[ 5989.805407][ C1] ? __pfx_veth_poll (drivers/net/veth.c:969) 
[ 5989.805568][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 5989.805730][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5989.805896][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 5989.806061][ C1] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 5989.806226][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5989.806393][ C1] __napi_poll.constprop.0 (net/core/dev.c:7387) 
[ 5989.806557][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5989.806722][ C1] net_rx_action (net/core/dev.c:7451 net/core/dev.c:7573) 
[ 5989.806885][ C1] ? __pfx_net_rx_action (net/core/dev.c:7535) 
[ 5989.807056][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 5989.807222][ C1] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:752 (discriminator 4)) 
[ 5989.807348][ C1] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 5989.807558][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 5989.807726][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 5989.807891][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 5989.808014][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 5989.808177][    C1]  </IRQ>
[ 5989.808263][    C1]  <TASK>
[ 5989.808346][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5989.808557][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:81) 
[ 5989.808732][ C1] Code: 4f d3 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 d0 25 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:	4f d3 00             	rex.WRXB rolq %cl,(%r8)
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	0f 1f 00             	nopl   (%rax)
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 83 d0 25 00 	verw   0x25d083(%rip)        # 0x25d0ab
  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
[ 5989.809311][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246
[ 5989.809518][    C1] RAX: 0000000008227db7 RBX: 1ffff92000026fc1 RCX: ffffffffa7835a39
[ 5989.809766][    C1] RDX: 0000000000000000 RSI: ffffffffa850cc7c RDI: ffffffffa7c53940
[ 5989.810012][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9d667a
[ 5989.810255][    C1] R10: ffff88806ceb33d3 R11: 0000000000000000 R12: 0000000000000000
[ 5989.810501][    C1] R13: ffff888001b18040 R14: dffffc0000000000 R15: 0000000000000000
[ 5989.810751][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 5989.810956][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:748) 
[ 5989.811090][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 5989.811254][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) 
[ 5989.811419][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 5989.811583][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 5989.811749][ C1] do_idle (kernel/sched/idle.c:325) 
[ 5989.811872][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) 
[ 5989.812041][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 5989.812205][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) 


Finger prints:
veth_xdp_rcv:veth_poll:net_rx_action:handle_softirqs:__irq_exit_rcu