====================================== | [ 1889.061739][T17543] Mirror/redirect action on | [ 1889.528050][ C1] ------------[ cut here ]------------ | [ 1889.528465][ C1] WARNING: CPU: 1 PID: 17549 at ./include/net/sch_generic.h:843 tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370) | [ 1889.529016][ C1] Modules linked in: act_mirred bridge stp llc ip6_gre ip6_tunnel tunnel6 cls_matchall act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth [ 1889.530550][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1889.530921][ C1] RIP: 0010:tc_run (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/sch_generic.h:1366 net/core/dev.c:4370) [ 1889.531242][ C1] Code: 89 f8 49 c1 e8 03 45 0f b6 04 30 48 89 fe 83 e6 07 83 c6 01 44 38 c6 7c 09 45 84 c0 0f 85 83 02 00 00 66 83 7a 06 00 74 04 90 <0f> 0b 90 48 ba 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fe 48 c1 All code ======== 0: 89 f8 mov %edi,%eax 2: 49 c1 e8 03 shr $0x3,%r8 6: 45 0f b6 04 30 movzbl (%r8,%rsi,1),%r8d b: 48 89 fe mov %rdi,%rsi e: 83 e6 07 and $0x7,%esi 11: 83 c6 01 add $0x1,%esi 14: 44 38 c6 cmp %r8b,%sil 17: 7c 09 jl 0x22 19: 45 84 c0 test %r8b,%r8b 1c: 0f 85 83 02 00 00 jne 0x2a5 22: 66 83 7a 06 00 cmpw $0x0,0x6(%rdx) 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: 48 8d 7b 28 lea 0x28(%rbx),%rdi 3b: 48 89 fe mov %rdi,%rsi 3e: 48 rex.W 3f: c1 .byte 0xc1 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: 48 8d 7b 28 lea 0x28(%rbx),%rdi 11: 48 89 fe mov %rdi,%rsi 14: 48 rex.W 15: c1 .byte 0xc1 [ 1889.532298][ C1] RSP: 0018:ffffc900001c0980 EFLAGS: 00010246 [ 1889.532701][ C1] RAX: ffffe8ffffc83240 RBX: ffff88800956e200 RCX: 0000000000000000 [ 1889.533158][ C1] RDX: ffff88800cd2b6c0 RSI: 0000000000000000 RDI: ffff88800cd2b6c4 [ 1889.533586][ C1] RBP: ffffc900001c0a28 R08: 0000000000000000 R09: ffffed100180f139 [ 1889.534025][ C1] R10: ffff88800c0789cf R11: ffffffffb79744c0 R12: ffffc900001c0b28 [ 1889.534456][ C1] R13: 1ffff92000038134 R14: ffff88800956e248 R15: ffff88800ae866f8 [ 1889.534881][ C1] FS: 00007f2d0e47c740(0000) GS:ffff88807d672000(0000) knlGS:0000000000000000 [ 1889.535613][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1889.535985][ C1] CR2: 00007f2d0e8cda98 CR3: 0000000008ffd004 CR4: 0000000000772ef0 [ 1889.536416][ C1] PKRU: 55555554 [ 1889.536640][ C1] Call Trace: [ 1889.536856][ C1] [ 1889.537015][ C1] ? napi_disable (net/core/dev.c:4349) [ 1889.537300][ C1] ? packet_rcv (net/packet/af_packet.c:2210) [ 1889.537592][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989) [ 1889.537964][ C1] ? kmem_cache_free (mm/slub.c:6630 mm/slub.c:6740) [ 1889.538246][ C1] ? dst_release (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcuref.h:174 net/core/dst.c:167) [ 1889.538530][ C1] ? do_xdp_generic (net/core/dev.c:5908) [ 1889.538829][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1889.539123][ C1] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1889.539412][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1889.539696][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 1889.539988][ C1] __netif_receive_skb_one_core (net/core/dev.c:6137) [ 1889.540341][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 1889.540696][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1889.540990][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 1889.541275][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 1889.541560][ C1] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 1889.541851][ C1] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 1889.542147][ C1] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 1889.542439][ C1] ? run_backlog_napi (net/core/dev.c:7844) [ 1889.542719][ C1] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 1889.543010][ C1] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5765) [ 1889.543317][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 1889.543600][ C1] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 1889.543819][ C1] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 1889.544181][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916) [ 1889.544466][ C1] handle_softirqs (kernel/softirq.c:623) [ 1889.544749][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 1889.545041][ C1] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 1889.545260][ C1] [ 1889.545405][ C1] [ 1889.545549][ C1] __local_bh_enable_ip (kernel/softirq.c:450) [ 1889.545827][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 1889.546118][ C1] __dev_queue_xmit (net/core/dev.c:4848) [ 1889.546409][ C1] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 1889.546692][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938) [ 1889.546985][ C1] ? sock_wmalloc (net/core/sock.c:2968) [ 1889.547276][ C1] ? packet_cached_dev_get (net/packet/af_packet.c:1923) [ 1889.547558][ C1] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) [ 1889.547918][ C1] packet_snd (net/packet/af_packet.c:3076) [ 1889.548221][ C1] ? tpacket_snd (net/packet/af_packet.c:2940) [ 1889.548506][ C1] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1889.548791][ C1] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075) [ 1889.549103][ C1] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244) [ 1889.549400][ C1] ? __ia32_sys_getpeername (net/socket.c:2211) [ 1889.549698][ C1] ? sock_ioctl (net/socket.c:1378) [ 1889.549993][ C1] ? down_write_nested (kernel/locking/rwsem.c:1350) [ 1889.550273][ C1] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 1889.550568][ C1] __x64_sys_sendto (net/socket.c:2247) [ 1889.550848][ C1] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90) [ 1889.551142][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 1889.551423][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1889.551714][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1889.552077][ C1] RIP: 0033:0x7f2d0e69827a [ 1889.552373][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 All code ======== 0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax b: eb b8 jmp 0xffffffffffffffc5 d: 0f 1f 00 nopl (%rax) 10: f3 0f 1e fa endbr64 14: 41 89 ca mov %ecx,%r10d 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 15 jne 0x38 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 7e ja 0xb0 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 41 54 push %r12 3a: 48 83 ec 30 sub $0x30,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 7e ja 0x86 8: c3 ret 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 41 54 push %r12 10: 48 83 ec 30 sub $0x30,%rsp 14: 44 rex.R 15: 89 .byte 0x89 [ 1889.553399][ C1] RSP: 002b:00007ffdbe9d1828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 1889.553835][ C1] RAX: ffffffffffffffda RBX: 000000001c83c9d0 RCX: 00007f2d0e69827a [ 1889.554270][ C1] RDX: 000000000000002a RSI: 000000001c83cc92 RDI: 0000000000000005 [ 1889.554696][ C1] RBP: 000000001c83cc92 R08: 00007ffdbe9d1830 R09: 0000000000000014 [ 1889.555131][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1889.555559][ C1] R13: 000000000000002a R14: 00007ffdbe9d1830 R15: 0000000000000000 | [ 1889.558791][ C1] ------------[ cut here ]------------ | [ 1889.559364][ C1] WARNING: CPU: 1 PID: 17549 at ./include/net/sch_generic.h:843 tcf_gact_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_gact.c:164) act_gact | [ 1889.559975][ C1] Modules linked in: act_mirred bridge stp llc ip6_gre ip6_tunnel tunnel6 cls_matchall act_gact cls_flower sch_ingress 8021q ip_gre gre vrf veth | [ 1889.562262][ C1] Tainted: [W]=WARN [ 1889.562497][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1889.562878][ C1] RIP: 0010:tcf_gact_act (./include/net/sch_generic.h:843 ./include/net/sch_generic.h:889 ./include/net/act_api.h:232 net/sched/act_gact.c:164) act_gact [ 1889.563287][ C1] Code: 06 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 47 03 00 00 66 41 83 7d 06 00 74 04 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 28 48 89 fa 48 c1 All code ======== 0: 06 (bad) 1: 48 89 fa mov %rdi,%rdx 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx c: 48 89 f8 mov %rdi,%rax f: 83 e0 07 and $0x7,%eax 12: 83 c0 01 add $0x1,%eax 15: 38 d0 cmp %dl,%al 17: 7c 08 jl 0x21 19: 84 d2 test %dl,%dl 1b: 0f 85 47 03 00 00 jne 0x368 21: 66 41 83 7d 06 00 cmpw $0x0,0x6(%r13) 27: 74 04 je 0x2d 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 7d 28 lea 0x28(%rbp),%rdi 3b: 48 89 fa mov %rdi,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8d 7d 28 lea 0x28(%rbp),%rdi 11: 48 89 fa mov %rdi,%rdx 14: 48 rex.W 15: c1 .byte 0xc1 [ 1889.564617][ C1] RSP: 0018:ffffc900001c0790 EFLAGS: 00010246 [ 1889.565231][ C1] RAX: 0000000000000000 RBX: ffff888009520400 RCX: 1ffffffff807ac5f [ 1889.565688][ C1] RDX: 0000000000000000 RSI: ffffffffb6e5d5c0 RDI: ffff88800cd2b6c4 [ 1889.566153][ C1] RBP: ffff88800956e200 R08: 0000000000000001 R09: 0000000000000000 [ 1889.566829][ C1] R10: ffff88800a5bf840 R11: ffff888009523100 R12: ffffe8ffffc84440 [ 1889.567303][ C1] R13: ffff88800cd2b6c0 R14: 0000000000000000 R15: 0000000000000002 [ 1889.567759][ C1] FS: 00007f2d0e47c740(0000) GS:ffff88807d672000(0000) knlGS:0000000000000000 [ 1889.568301][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1889.568683][ C1] CR2: 00007f2d0e8cda98 CR3: 0000000008ffd004 CR4: 0000000000772ef0 [ 1889.569377][ C1] PKRU: 55555554 [ 1889.569610][ C1] Call Trace: [ 1889.569841][ C1] [ 1889.570008][ C1] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150) [ 1889.570325][ C1] ? mall_classify (net/sched/cls_matchall.c:41) cls_matchall [ 1889.570932][ C1] __tcf_classify (./include/net/tc_wrapper.h:223 net/sched/cls_api.c:1764) [ 1889.571260][ C1] tcf_classify (net/sched/cls_api.c:1860) [ 1889.571566][ C1] ? exc_invalid_op (arch/x86/kernel/traps.c:392 (discriminator 1)) [ 1889.571880][ C1] ? __tcf_classify (net/sched/cls_api.c:1809) [ 1889.572421][ C1] tc_run (net/core/dev.c:4373) [ 1889.572655][ C1] ? napi_disable (net/core/dev.c:4349) [ 1889.572965][ C1] ? packet_rcv (net/packet/af_packet.c:2210) [ 1889.573313][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989) [ 1889.573919][ C1] ? kmem_cache_free (mm/slub.c:6630 mm/slub.c:6740) [ 1889.574246][ C1] ? dst_release (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcuref.h:174 net/core/dst.c:167) [ 1889.574554][ C1] ? do_xdp_generic (net/core/dev.c:5908) [ 1889.574890][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 1889.575427][ C1] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 1889.575739][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 1889.576063][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 1889.576370][ C1] __netif_receive_skb_one_core (net/core/dev.c:6137) [ 1889.576977][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 1889.577357][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 1889.577669][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 1889.577982][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 1889.578516][ C1] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 1889.578830][ C1] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 1889.579147][ C1] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 1889.579476][ C1] ? run_backlog_napi (net/core/dev.c:7844) [ 1889.580030][ C1] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 1889.580354][ C1] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5765) [ 1889.580667][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 1889.580981][ C1] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 1889.581433][ C1] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 1889.581814][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916) [ 1889.582132][ C1] handle_softirqs (kernel/softirq.c:623) [ 1889.582445][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 1889.582978][ C1] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 1889.583226][ C1] [ 1889.583379][ C1] [ 1889.583531][ C1] __local_bh_enable_ip (kernel/softirq.c:450) [ 1889.583833][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 1889.584362][ C1] __dev_queue_xmit (net/core/dev.c:4848) [ 1889.584683][ C1] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 1889.584994][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938) [ 1889.585300][ C1] ? sock_wmalloc (net/core/sock.c:2968) [ 1889.585833][ C1] ? packet_cached_dev_get (net/packet/af_packet.c:1923) [ 1889.586176][ C1] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) [ 1889.586565][ C1] packet_snd (net/packet/af_packet.c:3076) [ 1889.586886][ C1] ? tpacket_snd (net/packet/af_packet.c:2940) [ 1889.587216][ C1] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 1889.587539][ C1] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075) [ 1889.587862][ C1] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244) [ 1889.588190][ C1] ? __ia32_sys_getpeername (net/socket.c:2211) [ 1889.588729][ C1] ? sock_ioctl (net/socket.c:1378) [ 1889.589063][ C1] ? down_write_nested (kernel/locking/rwsem.c:1350) [ 1889.589376][ C1] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 1889.589691][ C1] __x64_sys_sendto (net/socket.c:2247) [ 1889.590242][ C1] ? do_syscall_64 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/entry-common.h:124 arch/x86/entry/syscall_64.c:90) [ 1889.590555][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 1889.590867][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1889.591186][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1889.591792][ C1] RIP: 0033:0x7f2d0e69827a [ 1889.592121][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 All code ======== 0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax b: eb b8 jmp 0xffffffffffffffc5 d: 0f 1f 00 nopl (%rax) 10: f3 0f 1e fa endbr64 14: 41 89 ca mov %ecx,%r10d 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 15 jne 0x38 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 7e ja 0xb0 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 41 54 push %r12 3a: 48 83 ec 30 sub $0x30,%rsp 3e: 44 rex.R 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 7e ja 0x86 8: c3 ret 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 41 54 push %r12 10: 48 83 ec 30 sub $0x30,%rsp 14: 44 rex.R 15: 89 .byte 0x89 [ 1889.593483][ C1] RSP: 002b:00007ffdbe9d1828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 1889.593958][ C1] RAX: ffffffffffffffda RBX: 000000001c83c9d0 RCX: 00007f2d0e69827a [ 1889.594636][ C1] RDX: 000000000000002a RSI: 000000001c83cc92 RDI: 0000000000000005 [ 1889.595098][ C1] RBP: 000000001c83cc92 R08: 00007ffdbe9d1830 R09: 0000000000000014 [ 1889.595549][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Finger prints: tc_run:__netif_receive_skb_one_core:process_backlog:net_rx_action:handle_softirqs tcf_gact_act:__tcf_classify:tcf_classify:tc_run:__netif_receive_skb_one_core