====================================== | [ 32.531300][ T401] lag2: Port device veth5 removed | [ 34.953295][ C3] ------------[ cut here ]------------ | [ 34.953746][ C3] WARNING: CPU: 3 PID: 406 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) | [ 34.954249][ C3] Modules linked in: act_gact act_mirred cls_flower sch_ingress ip_gre gre 8021q vrf veth [ 34.955384][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.955759][ C3] 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) [ 34.956242][ C3] 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 [ 34.957310][ C3] RSP: 0018:ffffc90000270980 EFLAGS: 00010246 [ 34.957675][ C3] RAX: ffffe8ffffd861c0 RBX: ffff88800a47b380 RCX: 0000000000000000 [ 34.958130][ C3] RDX: ffff88800c8c86c0 RSI: 0000000000000000 RDI: ffff88800c8c86c4 [ 34.958556][ C3] RBP: ffffc90000270a28 R08: 0000000000000000 R09: ffffed100192ca39 [ 34.958998][ C3] R10: ffff88800c9651cf R11: ffffffff8c1744c0 R12: ffffc90000270b28 [ 34.959433][ C3] R13: 1ffff9200004e134 R14: ffff88800a47b3c8 R15: ffff88800aa2b6d0 [ 34.959881][ C3] FS: 00007f35696e7740(0000) GS:ffff8880a8f72000(0000) knlGS:0000000000000000 [ 34.960388][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.960753][ C3] CR2: 00007f3569b38a98 CR3: 0000000005105005 CR4: 0000000000772ef0 [ 34.961207][ C3] PKRU: 55555554 [ 34.961426][ C3] Call Trace: [ 34.961648][ C3] [ 34.961799][ C3] ? napi_disable (net/core/dev.c:4349) [ 34.962106][ C3] ? packet_rcv (net/packet/af_packet.c:2210) [ 34.962402][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989) [ 34.962767][ C3] ? kmem_cache_free (mm/slub.c:6630 mm/slub.c:6740) [ 34.963086][ C3] ? do_xdp_generic (net/core/dev.c:5908) [ 34.963385][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.963667][ C3] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 34.963973][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 34.964269][ C3] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 34.964555][ C3] __netif_receive_skb_one_core (net/core/dev.c:6137) [ 34.964929][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 34.965295][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 34.965579][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 34.965862][ C3] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 34.966173][ C3] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 34.966468][ C3] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 34.966752][ C3] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 34.967054][ C3] ? run_backlog_napi (net/core/dev.c:7844) [ 34.967344][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 34.967626][ C3] ? 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) [ 34.967913][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 34.968214][ C3] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 34.968438][ C3] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 34.968790][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916) [ 34.969098][ C3] handle_softirqs (kernel/softirq.c:623) [ 34.969387][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 34.969668][ C3] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 34.969880][ C3] [ 34.970036][ C3] [ 34.970189][ C3] __local_bh_enable_ip (kernel/softirq.c:450) [ 34.970478][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 34.970755][ C3] __dev_queue_xmit (net/core/dev.c:4848) [ 34.971061][ C3] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 34.971352][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938) [ 34.971636][ C3] ? sock_wmalloc (net/core/sock.c:2968) [ 34.971920][ C3] ? packet_cached_dev_get (net/packet/af_packet.c:1923) [ 34.972222][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) [ 34.972585][ C3] packet_snd (net/packet/af_packet.c:3076) [ 34.972875][ C3] ? tpacket_snd (net/packet/af_packet.c:2940) [ 34.973178][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 34.973467][ C3] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075) [ 34.973750][ C3] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244) [ 34.974035][ C3] ? __ia32_sys_getpeername (net/socket.c:2211) [ 34.974344][ C3] ? sock_ioctl (net/socket.c:1378) [ 34.974631][ C3] ? down_write_nested (kernel/locking/rwsem.c:1350) [ 34.974923][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 34.975235][ C3] __x64_sys_sendto (net/socket.c:2247) [ 34.975515][ C3] ? 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) [ 34.975796][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 34.976085][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 34.976380][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 34.976731][ C3] RIP: 0033:0x7f356990327a [ 34.977027][ C3] 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 [ 34.978055][ C3] RSP: 002b:00007ffd2e85def8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 34.978503][ C3] RAX: ffffffffffffffda RBX: 000000003a03b9d0 RCX: 00007f356990327a [ 34.978932][ C3] RDX: 000000000000002a RSI: 000000003a03bc92 RDI: 0000000000000005 [ 34.979374][ C3] RBP: 000000003a03bc92 R08: 00007ffd2e85df00 R09: 0000000000000014 [ 34.979801][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 34.980246][ C3] R13: 000000000000002a R14: 00007ffd2e85df00 R15: 0000000000000000 | [ 34.984226][ C3] ------------[ cut here ]------------ | [ 34.984568][ C3] WARNING: CPU: 3 PID: 406 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 | [ 34.985479][ C3] Modules linked in: act_gact act_mirred cls_flower sch_ingress ip_gre gre 8021q vrf veth | [ 34.987067][ C3] Tainted: [W]=WARN [ 34.987331][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.987738][ C3] 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 [ 34.988392][ C3] 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 [ 34.989541][ C3] RSP: 0018:ffffc90000270418 EFLAGS: 00010246 [ 34.990179][ C3] RAX: 0000000000000000 RBX: ffff88800505ca00 RCX: 1ffffffff8051a5f [ 34.990684][ C3] RDX: 0000000000000000 RSI: ffffffff8b65d5c0 RDI: ffff88800c8caac4 [ 34.991162][ C3] RBP: ffff88800abf03c0 R08: 0000000000000001 R09: ffff88800586ea2c [ 34.991874][ C3] R10: 0000000000000000 R11: ffff88800505d900 R12: ffffe8ffffd876d0 [ 34.992348][ C3] R13: ffff88800c8caac0 R14: 0000000000000000 R15: 0000000000000000 [ 34.993101][ C3] FS: 00007f35696e7740(0000) GS:ffff8880a8f72000(0000) knlGS:0000000000000000 [ 34.993681][ C3] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.994087][ C3] CR2: 00007f3569b38a98 CR3: 0000000005105005 CR4: 0000000000772ef0 [ 34.994818][ C3] PKRU: 55555554 [ 34.995060][ C3] Call Trace: [ 34.995309][ C3] [ 34.995478][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150) [ 34.995833][ C3] fl_classify (net/sched/cls_flower.c:356) cls_flower [ 34.996393][ C3] ? fl_mask_lookup (net/sched/cls_flower.c:327) cls_flower [ 34.996825][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/linux/rcupdate.h:1195 arch/x86/kernel/unwind_orc.c:479) [ 34.997152][ C3] ? unwind_next_frame (./include/linux/rcupdate.h:900 ./include/linux/rcupdate.h:1195 arch/x86/kernel/unwind_orc.c:479) [ 34.997465][ C3] ? __x64_sys_sendto (net/socket.c:2247) [ 34.998027][ C3] ? __create_object (mm/kmemleak.c:780) [ 34.998350][ C3] ? stack_access_ok (arch/x86/kernel/unwind_orc.c:469) [ 34.998681][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 34.999005][ C3] ? kernel_text_address (kernel/extable.c:99) [ 34.999561][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 34.999900][ C3] ? __kernel_text_address (kernel/extable.c:79) [ 35.000227][ C3] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.000571][ C3] ? write_profile (kernel/stacktrace.c:83) [ 35.001141][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) [ 35.001492][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.001824][ C3] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 35.002392][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 35.002739][ C3] __tcf_classify (./include/net/tc_wrapper.h:223 net/sched/cls_api.c:1764) [ 35.003084][ C3] tcf_classify (net/sched/cls_api.c:1860) [ 35.003403][ C3] ? exc_invalid_op (arch/x86/kernel/traps.c:392 (discriminator 1)) [ 35.003756][ C3] ? __tcf_classify (net/sched/cls_api.c:1809) [ 35.004339][ C3] tc_run (net/core/dev.c:4373) [ 35.004594][ C3] ? napi_disable (net/core/dev.c:4349) [ 35.004940][ C3] ? packet_rcv (net/packet/af_packet.c:2210) [ 35.005291][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989) [ 35.005934][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 35.006298][ C3] ? __lock_release (kernel/locking/lockdep.c:5536) [ 35.006622][ C3] ? do_xdp_generic (net/core/dev.c:5908) [ 35.006946][ C3] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 35.007603][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916) [ 35.007938][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 35.008286][ C3] ? irqentry_exit (kernel/entry/common.c:215) [ 35.008833][ C3] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601) [ 35.009166][ C3] __netif_receive_skb_one_core (net/core/dev.c:6137) [ 35.009558][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6131) [ 35.009948][ C3] ? __netif_receive_skb_one_core (net/core/dev.c:6131) [ 35.010369][ C3] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604) [ 35.010689][ C3] __napi_poll.constprop.0 (net/core/dev.c:7668) [ 35.011019][ C3] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882) [ 35.011579][ C3] ? run_backlog_napi (net/core/dev.c:7844) [ 35.011899][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 35.012235][ C3] ? 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) [ 35.012556][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 35.012876][ C3] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4)) [ 35.013366][ C3] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 35.013756][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916) [ 35.014098][ C3] handle_softirqs (kernel/softirq.c:623) [ 35.014414][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 35.014967][ C3] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510) [ 35.015225][ C3] [ 35.015385][ C3] [ 35.015587][ C3] __local_bh_enable_ip (kernel/softirq.c:450) [ 35.015899][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847) [ 35.016475][ C3] __dev_queue_xmit (net/core/dev.c:4848) [ 35.016799][ C3] ? netdev_core_pick_tx (net/core/dev.c:4728) [ 35.017116][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938) [ 35.017446][ C3] ? sock_wmalloc (net/core/sock.c:2968) [ 35.018004][ C3] ? packet_cached_dev_get (net/packet/af_packet.c:1923) [ 35.018346][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) [ 35.018749][ C3] packet_snd (net/packet/af_packet.c:3076) [ 35.019334][ C3] ? tpacket_snd (net/packet/af_packet.c:2940) [ 35.019665][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 35.019983][ C3] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075) [ 35.020337][ C3] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244) [ 35.020658][ C3] ? __ia32_sys_getpeername (net/socket.c:2211) [ 35.021214][ C3] ? sock_ioctl (net/socket.c:1378) [ 35.021551][ C3] ? down_write_nested (kernel/locking/rwsem.c:1350) [ 35.021862][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 35.022429][ C3] __x64_sys_sendto (net/socket.c:2247) [ 35.022757][ C3] ? 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) [ 35.023070][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 35.023411][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 35.023723][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.024368][ C3] RIP: 0033:0x7f356990327a [ 35.024689][ C3] 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 [ 35.026072][ C3] RSP: 002b:00007ffd2e85def8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 35.026596][ C3] RAX: ffffffffffffffda RBX: 000000003a03b9d0 RCX: 00007f356990327a [ 35.027309][ C3] RDX: 000000000000002a RSI: 000000003a03bc92 RDI: 0000000000000005 [ 35.027796][ C3] RBP: 000000003a03bc92 R08: 00007ffd2e85df00 R09: 0000000000000014 [ 35.028271][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Finger prints: tcf_gact_act:fl_classify:__tcf_classify:tcf_classify:tc_run tc_run:__netif_receive_skb_one_core:process_backlog:net_rx_action:handle_softirqs