====================================== | [ 3063.310194][T25082] veth2: left promiscuous mode | [ 3136.273693][ C0] ------------[ cut here ]------------ | [ 3136.274280][ C0] WARNING: CPU: 0 PID: 25490 at ./include/net/sch_generic.h:843 qdisc_dequeue_head (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 ./include/net/sch_generic.h:1074) | [ 3136.275244][ C0] Modules linked in: cls_flower sch_prio xt_mark sch_ingress act_mirred cls_basic sch_fq_codel xfrm_user xt_policy ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router [ 3136.277388][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3136.277873][ C0] RIP: 0010:qdisc_dequeue_head (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 ./include/net/sch_generic.h:1074) [ 3136.278337][ C0] Code: 7d 06 48 89 f9 48 c1 e9 03 0f b6 0c 11 48 89 fa 83 e2 07 83 c2 01 38 ca 7c 08 84 c9 0f 85 00 01 00 00 66 83 7d 06 00 74 04 90 <0f> 0b 90 48 ba 00 00 00 00 00 fc ff df 4c 89 e1 48 c1 e9 03 0f b6 All code ======== 0: 7d 06 jge 0x8 2: 48 89 f9 mov %rdi,%rcx 5: 48 c1 e9 03 shr $0x3,%rcx 9: 0f b6 0c 11 movzbl (%rcx,%rdx,1),%ecx d: 48 89 fa mov %rdi,%rdx 10: 83 e2 07 and $0x7,%edx 13: 83 c2 01 add $0x1,%edx 16: 38 ca cmp %cl,%dl 18: 7c 08 jl 0x22 1a: 84 c9 test %cl,%cl 1c: 0f 85 00 01 00 00 jne 0x122 22: 66 83 7d 06 00 cmpw $0x0,0x6(%rbp) 27: 74 04 je 0x2d 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 34: fc ff df 37: 4c 89 e1 mov %r12,%rcx 3a: 48 c1 e9 03 shr $0x3,%rcx 3e: 0f .byte 0xf 3f: b6 .byte 0xb6 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx a: fc ff df d: 4c 89 e1 mov %r12,%rcx 10: 48 c1 e9 03 shr $0x3,%rcx 14: 0f .byte 0xf 15: b6 .byte 0xb6 [ 3136.279617][ C0] RSP: 0018:ffffc900000075e8 EFLAGS: 00010202 [ 3136.280087][ C0] RAX: ffff88800c8ec128 RBX: ffff88801a5bc000 RCX: 0000000000000000 [ 3136.280622][ C0] RDX: 0000000000000007 RSI: ffffc90000007730 RDI: ffff88800e542806 [ 3136.281166][ C0] RBP: ffff88800e542800 R08: 0000000000000000 R09: ffff8880184c8440 [ 3136.281705][ C0] R10: ffffffffb0aa2057 R11: ffffc90000007810 R12: ffff88800c8ec150 [ 3136.282250][ C0] R13: 0000000000000001 R14: ffffed10030990d0 R15: ffff8880184c8400 [ 3136.282796][ C0] FS: 00007f797610fb80(0000) GS:ffff8880b5708000(0000) knlGS:0000000000000000 [ 3136.283412][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3136.283869][ C0] CR2: 00007f797625a6c0 CR3: 000000000bb94005 CR4: 0000000000772ef0 [ 3136.284410][ C0] PKRU: 55555554 [ 3136.284683][ C0] Call Trace: [ 3136.284962][ C0] [ 3136.285151][ C0] prio_dequeue (net/sched/sch_prio.c:119) sch_prio [ 3136.285522][ C0] dequeue_skb (net/sched/sch_generic.c:297) [ 3136.285891][ C0] ? tcf_classify (net/sched/cls_api.c:1809) [ 3136.286256][ C0] __qdisc_run (net/sched/sch_generic.c:403 net/sched/sch_generic.c:420) [ 3136.286614][ C0] ? prio_enqueue (net/sched/sch_prio.c:87) sch_prio [ 3136.286977][ C0] ? sch_direct_xmit (net/sched/sch_generic.c:416) [ 3136.287338][ C0] ? qdisc_root_sleeping_lock (./include/net/sch_generic.h:568 ./include/net/sch_generic.h:573) sch_prio [ 3136.287787][ C0] ? spin_bug (kernel/locking/spinlock_debug.c:114) [ 3136.288071][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 3136.288427][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 3136.288797][ C0] __dev_xmit_skb (./include/net/sch_generic.h:223 ./include/net/pkt_sched.h:121 ./include/net/pkt_sched.h:117 net/core/dev.c:4254) [ 3136.289161][ C0] ? dev_get_stats (net/core/dev.c:4143) [ 3136.289531][ C0] __dev_queue_xmit (net/core/dev.c:4786) [ 3136.289896][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 3136.290270][ C0] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 3136.290627][ C0] ? eth_header (net/ethernet/eth.c:100) [ 3136.290988][ C0] ? neigh_resolve_output (./include/linux/netdevice.h:3422 net/core/neighbour.c:1589 net/core/neighbour.c:1574) [ 3136.291349][ C0] ? __neigh_update (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:867 net/core/neighbour.c:1476) [ 3136.291703][ C0] __neigh_update (./include/linux/instrumented.h:96 (discriminator 2) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 2) ./include/linux/refcount.h:389 (discriminator 2) ./include/linux/refcount.h:432 (discriminator 2) ./include/linux/refcount.h:450 (discriminator 2) ./include/net/neighbour.h:458 (discriminator 2) net/core/neighbour.c:1494 (discriminator 2)) [ 3136.292095][ C0] arp_process (./include/linux/instrumented.h:96 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/net/neighbour.h:458 (discriminator 4) net/ipv4/arp.c:937 (discriminator 4)) [ 3136.292462][ C0] ? arp_send (net/ipv4/arp.c:702) [ 3136.292726][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 3136.293092][ C0] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 3136.293451][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 3136.293812][ C0] ? arp_rcv.part.0 (net/ipv4/arp.c:968) [ 3136.294165][ C0] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 3136.294535][ C0] __netif_receive_skb_one_core (net/core/dev.c:6131) [ 3136.295123][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 3136.295565][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 3136.295930][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 3136.296281][ C0] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 3136.296635][ C0] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 3136.297002][ C0] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 3136.297361][ C0] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 3136.297720][ C0] ? run_backlog_napi (net/core/dev.c:7844) [ 3136.298073][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 3136.298434][ C0] ? lock_downgrade (kernel/locking/lockdep.c:471 kernel/locking/lockdep.c:5764) [ 3136.298806][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 3136.299167][ C0] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 3136.299443][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 3136.299891][ C0] handle_softirqs (kernel/softirq.c:623) [ 3136.300250][ C0] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1273) [ 3136.300605][ C0] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 3136.300880][ C0] [ 3136.301068][ C0] [ 3136.301244][ C0] __local_bh_enable_ip (kernel/softirq.c:450) [ 3136.301597][ C0] __neigh_event_send (net/core/neighbour.c:1274) [ 3136.301963][ C0] neigh_resolve_output (net/core/neighbour.c:1578) [ 3136.302318][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 3136.302669][ C0] ? ___neigh_create (net/core/neighbour.c:727) [ 3136.303032][ C0] ip_finish_output2 (./include/net/neighbour.h:556 net/ipv4/ip_output.c:237) [ 3136.303390][ C0] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/ip.h:504 ./include/net/ip.h:518) [ 3136.303745][ C0] ? ip_append_data.part.0 (net/ipv4/ip_output.c:201) [ 3136.304103][ C0] ? ip_skb_dst_mtu (./include/net/ip.h:523) [ 3136.304468][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1724 ./include/linux/skbuff.h:5149 net/ipv4/ip_output.c:309 net/ipv4/ip_output.c:297) [ 3136.304831][ C0] ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438) [ 3136.305098][ C0] ? ip_finish_output (net/ipv4/ip_output.c:429) [ 3136.305447][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 3136.305822][ C0] __ip_queue_xmit (./include/net/dst.h:464 net/ipv4/ip_output.c:131 net/ipv4/ip_output.c:534) [ 3136.306181][ C0] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1585 (discriminator 4)) [ 3136.306541][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1628) [ 3136.306917][ C0] ? __tcp_select_window (net/ipv4/tcp_output.c:1449) [ 3136.307267][ C0] ? tcp_call_bpf (./include/net/sock.h:1685 ./include/net/sock.h:1780 ./include/net/tcp.h:2775) [ 3136.307640][ C0] tcp_connect (net/ipv4/tcp_output.c:1646 net/ipv4/tcp_output.c:4335) [ 3136.308008][ C0] tcp_v4_connect (net/ipv4/tcp_ipv4.c:347) [ 3136.308367][ C0] ? tcp_v4_conn_request (net/ipv4/tcp_ipv4.c:225) [ 3136.308717][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 3136.309088][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 3136.309447][ C0] __inet_stream_connect (net/ipv4/af_inet.c:679) [ 3136.309817][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 3136.310172][ C0] ? __inet_stream_connect (net/ipv4/af_inet.c:746) [ 3136.310522][ C0] inet_stream_connect (net/ipv4/af_inet.c:751) [ 3136.310890][ C0] __sys_connect (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2111) [ 3136.311252][ C0] ? __sys_connect_file (net/socket.c:2109) [ 3136.311609][ C0] ? do_fcntl (fs/fcntl.c:471) [ 3136.311891][ C0] ? f_getown (fs/fcntl.c:446) [ 3136.312160][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 3136.312619][ C0] ? rseq_get_rseq_cs.isra.0 (kernel/rseq.c:425) [ 3136.312993][ C0] __x64_sys_connect (net/socket.c:2124) [ 3136.313348][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 3136.313718][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 3136.314095][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 3136.314549][ C0] RIP: 0033:0x7f797626bd67 [ 3136.314935][ C0] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89 All code ======== 0: 64 89 01 mov %eax,%fs:(%rcx) 3: 48 83 c8 ff or $0xffffffffffffffff,%rax 7: c3 ret 8: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) f: 00 00 00 12: 90 nop 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2a 00 00 00 mov $0x2a,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 18 sub $0x18,%rsp 37: 89 54 24 0c mov %edx,0xc(%rsp) 3b: 48 89 34 24 mov %rsi,(%rsp) 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 18 sub $0x18,%rsp d: 89 54 24 0c mov %edx,0xc(%rsp) 11: 48 89 34 24 mov %rsi,(%rsp) 15: 89 .byte 0x89 [ 3136.316199][ C0] RSP: 002b:00007ffedb2a54b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 3136.316741][ C0] RAX: ffffffffffffffda RBX: 000055a8094ac4d0 RCX: 00007f797626bd67 [ 3136.317279][ C0] RDX: 0000000000000010 RSI: 00007ffedb2a5e30 RDI: 0000000000000007 [ 3136.317823][ C0] RBP: 00007ffedb2a5e30 R08: 00007ffedb2a54c0 R09: 0000000000000010 [ 3136.318349][ C0] R10: 0000000000001f40 R11: 0000000000000246 R12: 0000000000000010 [ 3136.318894][ C0] R13: 0000000000000007 R14: 00007ffedb2a5760 R15: 00007ffedb2a5e30 | [ 3136.322897][ C0] ------------[ cut here ]------------ | [ 3136.323240][ C0] WARNING: CPU: 0 PID: 25490 at ./include/net/sch_generic.h:843 prio_dequeue (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 net/sched/sch_prio.c:120) sch_prio | [ 3136.323950][ C0] Modules linked in: cls_flower sch_prio xt_mark sch_ingress act_mirred cls_basic sch_fq_codel xfrm_user xt_policy ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router | [ 3136.325957][ C0] Tainted: [W]=WARN [ 3136.326225][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3136.326664][ C0] RIP: 0010:prio_dequeue (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:901 net/sched/sch_prio.c:120) sch_prio [ 3136.327121][ C0] Code: 00 00 fc ff df 48 89 fe 48 c1 ee 03 0f b6 0c 0e 84 c9 74 09 80 f9 03 0f 8e 7c 01 00 00 83 aa 50 01 00 00 01 e9 78 fd ff ff 90 <0f> 0b 90 e9 78 fe ff ff 4c 89 ef e8 26 39 ba ec e9 83 fb ff ff e8 All code ======== 0: 00 00 add %al,(%rax) 2: fc cld 3: ff lcall (bad) 4: df 48 89 fisttps -0x77(%rax) 7: fe 48 c1 decb -0x3f(%rax) a: ee out %al,(%dx) b: 03 0f add (%rdi),%ecx d: b6 0c mov $0xc,%dh f: 0e (bad) 10: 84 c9 test %cl,%cl 12: 74 09 je 0x1d 14: 80 f9 03 cmp $0x3,%cl 17: 0f 8e 7c 01 00 00 jle 0x199 1d: 83 aa 50 01 00 00 01 subl $0x1,0x150(%rdx) 24: e9 78 fd ff ff jmp 0xfffffffffffffda1 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 78 fe ff ff jmp 0xfffffffffffffeaa 32: 4c 89 ef mov %r13,%rdi 35: e8 26 39 ba ec call 0xffffffffecba3960 3a: e9 83 fb ff ff jmp 0xfffffffffffffbc2 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 78 fe ff ff jmp 0xfffffffffffffe80 8: 4c 89 ef mov %r13,%rdi b: e8 26 39 ba ec call 0xffffffffecba3936 10: e9 83 fb ff ff jmp 0xfffffffffffffb98 15: e8 .byte 0xe8 [ 3136.328373][ C0] RSP: 0018:ffffc90000007618 EFLAGS: 00010202 [ 3136.328825][ C0] RAX: ffff88800c8ec128 RBX: ffff88800e542800 RCX: 0000000000000000 [ 3136.329346][ C0] RDX: 0000000000000007 RSI: ffffc90000007730 RDI: ffff88800e542806 [ 3136.329874][ C0] RBP: ffff88800c8ec150 R08: 0000000000000000 R09: ffff8880184c8440 [ 3136.330404][ C0] R10: ffffffffb0aa2057 R11: ffffc90000007810 R12: 0000000000000001 [ 3136.330934][ C0] R13: ffff8880184c8680 R14: ffffed10030990d0 R15: ffff8880184c8400 [ 3136.331462][ C0] FS: 00007f797610fb80(0000) GS:ffff8880b5708000(0000) knlGS:0000000000000000 [ 3136.332076][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3136.332520][ C0] CR2: 00007f797625a6c0 CR3: 000000000bb94005 CR4: 0000000000772ef0 [ 3136.333060][ C0] PKRU: 55555554 [ 3136.333323][ C0] Call Trace: [ 3136.333584][ C0] [ 3136.333777][ C0] dequeue_skb (net/sched/sch_generic.c:297) [ 3136.334129][ C0] ? tcf_classify (net/sched/cls_api.c:1809) [ 3136.334490][ C0] __qdisc_run (net/sched/sch_generic.c:403 net/sched/sch_generic.c:420) [ 3136.334850][ C0] ? prio_enqueue (net/sched/sch_prio.c:87) sch_prio [ 3136.335195][ C0] ? sch_direct_xmit (net/sched/sch_generic.c:416) [ 3136.335554][ C0] ? qdisc_root_sleeping_lock (./include/net/sch_generic.h:568 ./include/net/sch_generic.h:573) sch_prio [ 3136.335990][ C0] ? spin_bug (kernel/locking/spinlock_debug.c:114) [ 3136.336257][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 3136.336605][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 3136.336966][ C0] __dev_xmit_skb (./include/net/sch_generic.h:223 ./include/net/pkt_sched.h:121 ./include/net/pkt_sched.h:117 net/core/dev.c:4254) [ 3136.337323][ C0] ? dev_get_stats (net/core/dev.c:4143) [ 3136.337679][ C0] __dev_queue_xmit (net/core/dev.c:4786) [ 3136.338046][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 3136.338405][ C0] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 3136.338766][ C0] ? eth_header (net/ethernet/eth.c:100) [ 3136.339114][ C0] ? neigh_resolve_output (./include/linux/netdevice.h:3422 net/core/neighbour.c:1589 net/core/neighbour.c:1574) [ 3136.339465][ C0] ? __neigh_update (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:867 net/core/neighbour.c:1476) [ 3136.339823][ C0] __neigh_update (./include/linux/instrumented.h:96 (discriminator 2) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 2) ./include/linux/refcount.h:389 (discriminator 2) ./include/linux/refcount.h:432 (discriminator 2) ./include/linux/refcount.h:450 (discriminator 2) ./include/net/neighbour.h:458 (discriminator 2) net/core/neighbour.c:1494 (discriminator 2)) [ 3136.340180][ C0] arp_process (./include/linux/instrumented.h:96 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:400 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/net/neighbour.h:458 (discriminator 4) net/ipv4/arp.c:937 (discriminator 4)) [ 3136.340540][ C0] ? arp_send (net/ipv4/arp.c:702) [ 3136.340819][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 3136.341164][ C0] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 3136.341518][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 3136.341873][ C0] ? arp_rcv.part.0 (net/ipv4/arp.c:968) [ 3136.342220][ C0] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 3136.342568][ C0] __netif_receive_skb_one_core (net/core/dev.c:6131) [ 3136.343007][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 3136.343451][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 3136.343813][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 3136.344157][ C0] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 3136.344514][ C0] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 3136.344876][ C0] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 3136.345223][ C0] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 3136.345583][ C0] ? run_backlog_napi (net/core/dev.c:7844) [ 3136.345933][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 3136.346285][ C0] ? lock_downgrade (kernel/locking/lockdep.c:471 kernel/locking/lockdep.c:5764) [ 3136.346635][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 3136.346991][ C0] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 3136.347258][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 3136.347702][ C0] handle_softirqs (kernel/softirq.c:623) [ 3136.348064][ C0] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1273) [ 3136.348410][ C0] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 3136.348678][ C0] [ 3136.348869][ C0] [ 3136.349045][ C0] __local_bh_enable_ip (kernel/softirq.c:450) [ 3136.349389][ C0] __neigh_event_send (net/core/neighbour.c:1274) [ 3136.349749][ C0] neigh_resolve_output (net/core/neighbour.c:1578) [ 3136.350102][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 3136.350450][ C0] ? ___neigh_create (net/core/neighbour.c:727) [ 3136.350811][ C0] ip_finish_output2 (./include/net/neighbour.h:556 net/ipv4/ip_output.c:237) [ 3136.351168][ C0] ? ip_skb_dst_mtu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/ip.h:504 ./include/net/ip.h:518) [ 3136.351514][ C0] ? ip_append_data.part.0 (net/ipv4/ip_output.c:201) [ 3136.351874][ C0] ? ip_skb_dst_mtu (./include/net/ip.h:523) [ 3136.352223][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1724 ./include/linux/skbuff.h:5149 net/ipv4/ip_output.c:309 net/ipv4/ip_output.c:297) [ 3136.352570][ C0] ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438) [ 3136.352846][ C0] ? ip_finish_output (net/ipv4/ip_output.c:429) [ 3136.353194][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 3136.353555][ C0] __ip_queue_xmit (./include/net/dst.h:464 net/ipv4/ip_output.c:131 net/ipv4/ip_output.c:534) [ 3136.353920][ C0] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1585 (discriminator 4)) [ 3136.354271][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1628) [ 3136.354642][ C0] ? __tcp_select_window (net/ipv4/tcp_output.c:1449) [ 3136.355003][ C0] ? tcp_call_bpf (./include/net/sock.h:1685 ./include/net/sock.h:1780 ./include/net/tcp.h:2775) [ 3136.355368][ C0] tcp_connect (net/ipv4/tcp_output.c:1646 net/ipv4/tcp_output.c:4335) [ 3136.355723][ C0] tcp_v4_connect (net/ipv4/tcp_ipv4.c:347) [ 3136.356090][ C0] ? tcp_v4_conn_request (net/ipv4/tcp_ipv4.c:225) [ 3136.356445][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 3136.356805][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 3136.357157][ C0] __inet_stream_connect (net/ipv4/af_inet.c:679) [ 3136.357503][ C0] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 3136.357861][ C0] ? __inet_stream_connect (net/ipv4/af_inet.c:746) [ 3136.358206][ C0] inet_stream_connect (net/ipv4/af_inet.c:751) [ 3136.358553][ C0] __sys_connect (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2111) [ 3136.358919][ C0] ? __sys_connect_file (net/socket.c:2109) [ 3136.359265][ C0] ? do_fcntl (fs/fcntl.c:471) [ 3136.359529][ C0] ? f_getown (fs/fcntl.c:446) [ 3136.359805][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 3136.360242][ C0] ? rseq_get_rseq_cs.isra.0 (kernel/rseq.c:425) [ 3136.360597][ C0] __x64_sys_connect (net/socket.c:2124) [ 3136.360952][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 3136.361304][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 3136.361653][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 3136.362098][ C0] RIP: 0033:0x7f797626bd67 [ 3136.362461][ C0] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89 All code ======== 0: 64 89 01 mov %eax,%fs:(%rcx) 3: 48 83 c8 ff or $0xffffffffffffffff,%rax 7: c3 ret 8: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) f: 00 00 00 12: 90 nop 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2a 00 00 00 mov $0x2a,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 18 sub $0x18,%rsp 37: 89 54 24 0c mov %edx,0xc(%rsp) 3b: 48 89 34 24 mov %rsi,(%rsp) 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 18 sub $0x18,%rsp d: 89 54 24 0c mov %edx,0xc(%rsp) 11: 48 89 34 24 mov %rsi,(%rsp) 15: 89 .byte 0x89 [ 3136.363702][ C0] RSP: 002b:00007ffedb2a54b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 3136.364240][ C0] RAX: ffffffffffffffda RBX: 000055a8094ac4d0 RCX: 00007f797626bd67 [ 3136.364771][ C0] RDX: 0000000000000010 RSI: 00007ffedb2a5e30 RDI: 0000000000000007 [ 3136.365291][ C0] RBP: 00007ffedb2a5e30 R08: 00007ffedb2a54c0 R09: 0000000000000010 [ 3136.365819][ C0] R10: 0000000000001f40 R11: 0000000000000246 R12: 0000000000000010 Finger prints: qdisc_dequeue_head:prio_dequeue:dequeue_skb:__qdisc_run:__dev_xmit_skb prio_dequeue:dequeue_skb:__qdisc_run:__dev_xmit_skb:__dev_queue_xmit