====================================== | | WAIT TIMEOUT stdout | [ 5210.672445][ C0] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000091: 0000 [#1] SMP KASAN NOPTI | [ 5210.672937][ C0] KASAN: null-ptr-deref in range [0x0000000000000488-0x000000000000048f] [ 5210.673572][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 5210.673814][ C0] RIP: 0010:veth_xdp_rcv (./include/linux/netdevice.h:2636 (discriminator 13) drivers/net/veth.c:912 (discriminator 13)) [ 5210.674022][ C0] Code: 40 0d 00 00 e8 9f 3f 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 9f rex or $0x9fe80000,%eax 6: 3f (bad) 7: de 00 fiadds (%rax) 9: 85 c0 test %eax,%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 [ 5210.674711][ C0] RSP: 0000:ffffc90000007a18 EFLAGS: 00010202 [ 5210.674958][ C0] RAX: dffffc0000000000 RBX: ffff88800d91a000 RCX: 1ffff92000000f52 [ 5210.675247][ C0] RDX: 0000000000000091 RSI: ffffffff8a456840 RDI: 0000000000000488 [ 5210.675529][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 5210.675822][ C0] R10: ffffc90000007e90 R11: ffffffff8dd88108 R12: 0000000000000000 [ 5210.676105][ C0] R13: ffffc90000007bc8 R14: 0000000000000040 R15: ffffc90000007bc8 [ 5210.676399][ C0] FS: 0000000000000000(0000) GS:ffff8880dfba1000(0000) knlGS:0000000000000000 [ 5210.676733][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5210.676977][ C0] CR2: 00007fd912dab080 CR3: 000000001fd9c001 CR4: 0000000000772ef0 [ 5210.677270][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5210.677575][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5210.677875][ C0] PKRU: 55555554 [ 5210.678021][ C0] Call Trace: [ 5210.678167][ C0] [ 5210.678273][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 5210.678477][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 5210.678672][ C0] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:902) [ 5210.678865][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 5210.679058][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 5210.679303][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 5210.679495][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 5210.679735][ C0] ? napi_complete_done (./include/linux/hrtimer.h:264 net/core/dev.c:6612) [ 5210.679926][ C0] ? __pfx_napi_complete_done (net/core/dev.c:6548) [ 5210.680117][ C0] ? __pfx_napi_complete_done (net/core/dev.c:6548) [ 5210.680312][ C0] veth_poll (drivers/net/veth.c:981) [ 5210.680463][ C0] ? __pfx_veth_poll (drivers/net/veth.c:969) [ 5210.680656][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 5210.680854][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 5210.681048][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 5210.681242][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) [ 5210.681437][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 5210.681628][ C0] __napi_poll.constprop.0 (net/core/dev.c:7414) [ 5210.681817][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 5210.682014][ C0] net_rx_action (net/core/dev.c:7478 net/core/dev.c:7605) [ 5210.682206][ C0] ? __pfx_net_rx_action (net/core/dev.c:7567) [ 5210.682406][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5210.682598][ C0] ? ktime_get (kernel/time/timekeeping.c:343 (discriminator 4) kernel/time/timekeeping.c:360 (discriminator 4) kernel/time/timekeeping.c:778 (discriminator 4)) [ 5210.682742][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 5210.682981][ C0] handle_softirqs (kernel/softirq.c:580) [ 5210.683173][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 5210.683365][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 5210.683513][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 5210.683701][ C0] [ 5210.683799][ C0] [ 5210.683895][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5210.684129][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 5210.684329][ C0] Code: a2 d0 00 e9 03 55 02 00 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 63 a7 22 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: a2 d0 00 e9 03 55 02 movabs %al,0xf00025503e900d0 7: 00 0f 9: 1f (bad) a: 00 90 90 90 90 90 add %dl,-0x6f6f6f70(%rax) 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 63 a7 22 00 verw 0x22a763(%rip) # 0x22a78b 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 [ 5210.684999][ C0] RSP: 0000:ffffffff8b407df8 EFLAGS: 00000246 [ 5210.685236][ C0] RAX: 0000000003710f7b RBX: 1ffffffff1680fc3 RCX: ffffffff8a0695f9 [ 5210.685522][ C0] RDX: 0000000000000000 RSI: ffffffff8ad158c2 RDI: ffffffff8a4568c0 [ 5210.685812][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c66fa [ 5210.686097][ C0] R10: ffff88806ce337d3 R11: ffffffff8b411288 R12: 0000000000000000 [ 5210.686375][ C0] R13: ffffffff8b433240 R14: dffffc0000000000 R15: 0000000000014770 [ 5210.686669][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 5210.686903][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 5210.687045][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 5210.687229][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 5210.687418][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 5210.687603][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 5210.687798][ C0] do_idle (kernel/sched/idle.c:325) [ 5210.687943][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 5210.688132][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 5210.688274][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 5210.688467][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 5210.688655][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) Finger prints: veth_xdp_rcv:veth_poll:net_rx_action:handle_softirqs:__irq_exit_rcu