======================================
|
| WAIT TIMEOUT stdout
| [ 5267.761381][    C2] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000091: 0000 [#1] SMP KASAN NOPTI
| [ 5267.761899][    C2] KASAN: null-ptr-deref in range [0x0000000000000488-0x000000000000048f]
[ 5267.762587][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5267.762851][ C2] RIP: 0010:veth_xdp_rcv (./include/linux/netdevice.h:2632 (discriminator 13) drivers/net/veth.c:912 (discriminator 13)) 
[ 5267.763076][ C2] Code: 40 0d 00 00 e8 bf 0d 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 bf    	rex or $0xbfe80000,%eax
   6:	0d de 00 85 c0       	or     $0xc08500de,%eax
   b:	0f 85 c6 06 00 00    	jne    0x6d7
  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
[ 5267.763820][    C2] RSP: 0018:ffffc90000218a20 EFLAGS: 00010202
[ 5267.764099][    C2] RAX: dffffc0000000000 RBX: ffff888011d72000 RCX: 1ffff92000043153
[ 5267.764424][    C2] RDX: 0000000000000091 RSI: ffffffffb1c53e00 RDI: 0000000000000488
[ 5267.764737][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 5267.765045][    C2] R10: ffffc90000218e90 R11: 0000000000000000 R12: 0000000000000000
[ 5267.765363][    C2] R13: ffffc90000218bd0 R14: 0000000000000040 R15: ffffc90000218bd0
[ 5267.765674][    C2] FS:  0000000000000000(0000) GS:ffff8880b0ebd000(0000) knlGS:0000000000000000
[ 5267.766031][    C2] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5267.766297][    C2] CR2: 00007f8f48af7050 CR3: 000000000bead004 CR4: 0000000000772ef0
[ 5267.766602][    C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5267.766926][    C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5267.767231][    C2] PKRU: 55555554
[ 5267.767393][    C2] Call Trace:
[ 5267.767545][    C2]  <IRQ>
[ 5267.767649][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 5267.767866][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5267.768082][ C2] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:902) 
[ 5267.768282][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 5267.768489][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 5267.768742][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 5267.768948][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 5267.769201][ C2] ? napi_complete_done (./include/linux/hrtimer.h:264 net/core/dev.c:6611) 
[ 5267.769413][ C2] ? __pfx_napi_complete_done (net/core/dev.c:6547) 
[ 5267.769612][ C2] veth_poll (drivers/net/veth.c:981) 
[ 5267.769776][ C2] ? __pfx_veth_poll (drivers/net/veth.c:969) 
[ 5267.769983][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 5267.770185][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5267.770398][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 5267.770599][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 5267.770808][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5267.771021][ C2] __napi_poll.constprop.0 (net/core/dev.c:7413) 
[ 5267.771220][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5267.771432][ C2] net_rx_action (net/core/dev.c:7477 net/core/dev.c:7599) 
[ 5267.771638][ C2] ? __pfx_net_rx_action (net/core/dev.c:7561) 
[ 5267.771843][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 5267.772058][ C2] ? ktime_get (kernel/time/timekeeping.c:251 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) 
[ 5267.772214][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 5267.772466][ C2] handle_softirqs (kernel/softirq.c:580) 
[ 5267.772692][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 5267.772895][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 5267.773054][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 5267.773260][    C2]  </IRQ>
[ 5267.773362][    C2]  <TASK>
[ 5267.773465][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5267.773714][ C2] RIP: 0010:filter_irq_stacks (kernel/stacktrace.c:380 kernel/stacktrace.c:397) 
[ 5267.773925][ C2] Code: 03 80 3c 2a 00 75 50 48 8b 17 48 81 fa 30 02 60 ae 72 17 48 81 fa 70 16 60 ae 73 0e 48 83 c4 10 8d 43 01 5b 5d e9 4f d4 98 02 <48> 81 fa 50 80 85 b1 72 09 48 81 fa 70 80 85 b1 72 e0 83 c3 01 48
All code
========
   0:	03 80 3c 2a 00 75    	add    0x75002a3c(%rax),%eax
   6:	50                   	push   %rax
   7:	48 8b 17             	mov    (%rdi),%rdx
   a:	48 81 fa 30 02 60 ae 	cmp    $0xffffffffae600230,%rdx
  11:	72 17                	jb     0x2a
  13:	48 81 fa 70 16 60 ae 	cmp    $0xffffffffae601670,%rdx
  1a:	73 0e                	jae    0x2a
  1c:	48 83 c4 10          	add    $0x10,%rsp
  20:	8d 43 01             	lea    0x1(%rbx),%eax
  23:	5b                   	pop    %rbx
  24:	5d                   	pop    %rbp
  25:	e9 4f d4 98 02       	jmp    0x298d479
  2a:*	48 81 fa 50 80 85 b1 	cmp    $0xffffffffb1858050,%rdx		<-- trapping instruction
  31:	72 09                	jb     0x3c
  33:	48 81 fa 70 80 85 b1 	cmp    $0xffffffffb1858070,%rdx
  3a:	72 e0                	jb     0x1c
  3c:	83 c3 01             	add    $0x1,%ebx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 81 fa 50 80 85 b1 	cmp    $0xffffffffb1858050,%rdx
   7:	72 09                	jb     0x12
   9:	48 81 fa 70 80 85 b1 	cmp    $0xffffffffb1858070,%rdx
  10:	72 e0                	jb     0xfffffffffffffff2
  12:	83 c3 01             	add    $0x1,%ebx
  15:	48                   	rex.W
[ 5267.774653][    C2] RSP: 0018:ffffc90006a97a68 EFLAGS: 00000206
[ 5267.774915][    C2] RAX: 000000000000000a RBX: 0000000000000008 RCX: 0000000000000000
[ 5267.775222][    C2] RDX: ffffffffb182e72e RSI: 000000000000000a RDI: ffffc90006a97b40
[ 5267.775526][    C2] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000001
[ 5267.775833][    C2] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 5267.776280][    C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880010427c0
[ 5267.776594][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 5267.776806][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 5267.777012][ C2] stack_depot_save_flags (lib/stackdepot.c:610) 
[ 5267.777342][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 5267.777543][ C2] kasan_save_stack (mm/kasan/common.c:49) 
[ 5267.777743][ C2] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 5267.777946][ C2] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 5267.778266][ C2] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3084) 
[ 5267.778512][ C2] ? kfree (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4841) 
[ 5267.778664][ C2] ? ovl_release (fs/overlayfs/file.c:241) 
[ 5267.778889][ C2] ? __fput (fs/file_table.c:465) 
[ 5267.779043][ C2] ? task_work_run (kernel/task_work.c:229 (discriminator 1)) 
[ 5267.779244][ C2] ? syscall_exit_to_user_mode (./include/linux/resume_user_mode.h:50 kernel/entry/common.c:114 ./include/linux/entry-common.h:329 kernel/entry/common.c:207 kernel/entry/common.c:218) 
[ 5267.779494][ C2] ? do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 5267.779694][ C2] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 5267.779953][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5267.780155][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5267.780355][ C2] ? task_blocks_on_rt_mutex.constprop.0.isra.0 (./include/linux/rbtree.h:63 ./include/linux/rbtree.h:182 kernel/locking/rtmutex.c:484 kernel/locking/rtmutex.c:1241) 
[ 5267.780656][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5267.780855][ C2] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2127 arch/x86/mm/physaddr.c:65) 
[ 5267.781052][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 5267.781253][ C2] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2127 arch/x86/mm/physaddr.c:65) 
[ 5267.781453][ C2] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 ./include/linux/mmzone.h:2127 arch/x86/mm/physaddr.c:65) 
[ 5267.781652][ C2] ? __delete_object (./arch/x86/include/asm/atomic.h:67 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 3) mm/kmemleak.c:550 (discriminator 3) mm/kmemleak.c:818 (discriminator 3)) 
[ 5267.781854][ C2] kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 5267.782061][ C2] ? __pfx_free_object_rcu (mm/kmemleak.c:524) 
[ 5267.782260][ C2] __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3084) 
[ 5267.782516][ C2] kfree (./include/linux/kmemleak.h:49 mm/slub.c:2305 mm/slub.c:4642 mm/slub.c:4841) 
[ 5267.782668][ C2] ? ovl_release (fs/overlayfs/file.c:241) 
[ 5267.782874][ C2] ovl_release (fs/overlayfs/file.c:241) 
[ 5267.783027][ C2] __fput (fs/file_table.c:465) 
[ 5267.783180][ C2] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 5267.783390][ C2] task_work_run (kernel/task_work.c:229 (discriminator 1)) 
[ 5267.783594][ C2] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 5267.783914][ C2] ? do_execveat_common.isra.0 (fs/exec.c:1975) 
[ 5267.784176][ C2] syscall_exit_to_user_mode (./include/linux/resume_user_mode.h:50 kernel/entry/common.c:114 ./include/linux/entry-common.h:329 kernel/entry/common.c:207 kernel/entry/common.c:218) 
[ 5267.784374][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:113) 
[ 5267.784576][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 5267.784943][    C2] RIP: 0033:0x7f8f48ae1a30
[ 5267.785154][ C2] Code: Unable to access opcode bytes at 0x7f8f48ae1a06.

Code starting with the faulting instruction
===========================================
[ 5267.785412][    C2] RSP: 002b:00007fff81c84440 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[ 5267.785838][    C2] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 5267.786134][    C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 5267.786438][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 5267.786861][    C2] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000


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