======================================
| [ 834.297445][ T35] br2: port 1(w1) entered forwarding state
| [ 954.980644][ C1] ------------[ cut here ]------------
| [ 954.980997][ C1] WARNING: CPU: 1 PID: 7643 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)
| [ 954.981573][ C1] Modules linked in: sch_tbf ip6_gre ip6_tunnel tunnel6 dummy act_pedit macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre gre 8021q bridge stp llc act_gact cls_flower sch_ingress vrf veth
[ 954.983102][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 954.983473][ 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)
[ 954.983776][ 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
[ 954.984850][ C1] RSP: 0018:ffffc900001c0980 EFLAGS: 00010246
[ 954.985220][ C1] RAX: ffffe8ffffc8faa0 RBX: ffff88800f568740 RCX: 0000000000000000
[ 954.985657][ C1] RDX: ffff888010553280 RSI: 0000000000000000 RDI: ffff888010553284
[ 954.986106][ C1] RBP: ffffc900001c0a28 R08: 0000000000000000 R09: ffffed1001139739
[ 954.986543][ C1] R10: ffff8880089cb9cf R11: ffffffffa23744c0 R12: ffffc900001c0b28
[ 954.987005][ C1] R13: 1ffff92000038134 R14: ffff88800f568788 R15: ffff88800cf942d0
[ 954.987446][ C1] FS: 00007f5fbffb0740(0000) GS:ffff888092c72000(0000) knlGS:0000000000000000
[ 954.987958][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 954.988319][ C1] CR2: 00007ffe3b139000 CR3: 000000000a30a005 CR4: 0000000000772ef0
[ 954.989113][ C1] PKRU: 55555554
[ 954.989338][ C1] Call Trace:
[ 954.989564][ C1]
[ 954.989715][ C1] ? napi_disable (net/core/dev.c:4349)
[ 954.990016][ C1] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:453 (discriminator 60))
[ 954.990375][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[ 954.990752][ C1] ? ip6_input (net/ipv6/ip6_input.c:496)
[ 954.991048][ C1] ? ip6_input_finish (net/ipv6/ip6_input.c:496)
[ 954.991341][ C1] ? do_xdp_generic (net/core/dev.c:5908)
[ 954.991633][ C1] ? ip6_rcv_core (./include/net/sock.h:2961 net/ipv6/ip6_input.c:291)
[ 954.991935][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 954.992224][ C1] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 954.992524][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 954.992822][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 954.993104][ C1] __netif_receive_skb_one_core (net/core/dev.c:6137)
[ 954.993461][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[ 954.993833][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 954.994119][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 954.994407][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 954.994693][ C1] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[ 954.994992][ C1] __napi_poll.constprop.0 (net/core/dev.c:7668)
[ 954.995276][ C1] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[ 954.995575][ C1] ? run_backlog_napi (net/core/dev.c:7844)
[ 954.995871][ C1] ? clockevents_program_event (kernel/time/clockevents.c:326)
[ 954.996152][ 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)
[ 954.996452][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 954.996741][ C1] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4))
[ 954.996982][ C1] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3))
[ 954.997339][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916)
[ 954.997636][ C1] handle_softirqs (kernel/softirq.c:623)
[ 954.997941][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[ 954.998227][ C1] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[ 954.998448][ C1]
[ 954.998597][ C1]
[ 954.998739][ C1] __local_bh_enable_ip (kernel/softirq.c:450)
[ 954.999028][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[ 954.999323][ C1] __dev_queue_xmit (net/core/dev.c:4848)
[ 954.999627][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[ 954.999932][ C1] ? __lock_release (kernel/locking/lockdep.c:5536)
[ 955.000232][ C1] ? netdev_core_pick_tx (net/core/dev.c:4728)
[ 955.000524][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[ 955.000822][ C1] ? sock_wmalloc (net/core/sock.c:2968)
[ 955.001106][ C1] ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[ 955.001396][ C1] ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[ 955.001771][ C1] packet_snd (net/packet/af_packet.c:3076)
[ 955.002104][ C1] ? tpacket_snd (net/packet/af_packet.c:2940)
[ 955.002401][ C1] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 955.002694][ C1] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[ 955.002992][ C1] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[ 955.003275][ C1] ? __ia32_sys_getpeername (net/socket.c:2211)
[ 955.003577][ C1] ? sock_ioctl (net/socket.c:1378)
[ 955.003883][ C1] ? __sys_setsockopt (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2377)
[ 955.004166][ C1] __x64_sys_sendto (net/socket.c:2247)
[ 955.004463][ 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)
[ 955.004746][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 955.005042][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 955.005321][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 955.005694][ C1] RIP: 0033:0x7f5fc01cc27a
[ 955.006005][ 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
[ 955.007062][ C1] RSP: 002b:00007ffe3b13ffb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 955.007497][ C1] RAX: ffffffffffffffda RBX: 000000002beae080 RCX: 00007f5fc01cc27a
[ 955.007933][ C1] RDX: 0000000000000082 RSI: 000000002beae372 RDI: 0000000000000006
[ 955.008362][ C1] RBP: 000000002beae372 R08: 00007ffe3b13ffc0 R09: 0000000000000014
[ 955.008804][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 955.009262][ C1] R13: 0000000000000082 R14: 00007ffe3b13ffc0 R15: 0000000000000001
| [ 955.012702][ C1] ------------[ cut here ]------------
| [ 955.013027][ C1] WARNING: CPU: 1 PID: 7643 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
| [ 955.013646][ C1] Modules linked in: sch_tbf ip6_gre ip6_tunnel tunnel6 dummy act_pedit macvlan vxlan ip6_udp_tunnel udp_tunnel ip_gre gre 8021q bridge stp llc act_gact cls_flower sch_ingress vrf veth
| [ 955.016056][ C1] Tainted: [W]=WARN
[ 955.016465][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 955.017098][ 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
[ 955.017562][ 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
[ 955.018979][ C1] RSP: 0018:ffffc900001c0418 EFLAGS: 00010246
[ 955.019382][ C1] RAX: 0000000000000000 RBX: ffff888009a16b00 RCX: 1ffffffff80a665f
[ 955.019893][ C1] RDX: 0000000000000000 RSI: ffffffffa185d5c0 RDI: ffff888010553284
[ 955.020375][ C1] RBP: ffff88800f568740 R08: 0000000000000001 R09: ffff88800f7d222c
[ 955.020884][ C1] R10: 0000000000000000 R11: ffff888009a14400 R12: ffffe8ffffc86080
[ 955.021361][ C1] R13: ffff888010553280 R14: 0000000000000000 R15: 0000000000000000
[ 955.021877][ C1] FS: 00007f5fbffb0740(0000) GS:ffff888092c72000(0000) knlGS:0000000000000000
[ 955.022441][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 955.022878][ C1] CR2: 00007ffe3b139000 CR3: 000000000a30a005 CR4: 0000000000772ef0
[ 955.023357][ C1] PKRU: 55555554
[ 955.023621][ C1] Call Trace:
[ 955.023875][ C1]
[ 955.024114][ C1] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:217 net/sched/act_api.c:1150)
[ 955.024673][ C1] fl_classify (net/sched/cls_flower.c:356) cls_flower
[ 955.025162][ C1] ? fl_mask_lookup (net/sched/cls_flower.c:327) cls_flower
[ 955.025606][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 955.026016][ C1] ? __up_console_sem (kernel/printk/printk.c:345 (discriminator 1))
[ 955.026325][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 955.026664][ C1] ? console_unlock (kernel/printk/printk.c:3277 kernel/printk/printk.c:3298)
[ 955.027000][ C1] ? console_flush_all (kernel/printk/printk.c:3293)
[ 955.027320][ C1] ? lock_acquire (kernel/locking/lockdep.c:5872)
[ 955.027651][ C1] ? vprintk_emit (kernel/printk/printk.c:2422)
[ 955.027970][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:333)
[ 955.028279][ C1] ? vprintk_emit (kernel/printk/printk.c:2422)
[ 955.028612][ C1] ? __wake_up_klogd.part.0 (./arch/x86/include/asm/preempt.h:104 kernel/printk/printk.c:4531)
[ 955.028922][ C1] ? vprintk_emit (kernel/printk/printk.c:2370)
[ 955.029233][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:2370)
[ 955.029567][ C1] ? _printk (kernel/printk/printk.c:2443)
[ 955.029809][ C1] ? console_prepend_message (kernel/printk/printk.c:2443)
[ 955.030185][ C1] ? 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)
[ 955.030440][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 955.030768][ C1] ? 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)
[ 955.031021][ C1] __tcf_classify (./include/net/tc_wrapper.h:223 net/sched/cls_api.c:1764)
[ 955.031352][ C1] tcf_classify (net/sched/cls_api.c:1860)
[ 955.031723][ C1] ? exc_invalid_op (arch/x86/kernel/traps.c:392 (discriminator 1))
[ 955.032052][ C1] ? __tcf_classify (net/sched/cls_api.c:1809)
[ 955.032379][ C1] tc_run (net/core/dev.c:4373)
[ 955.032639][ C1] ? napi_disable (net/core/dev.c:4349)
[ 955.032955][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4448 net/core/dev.c:5989)
[ 955.033378][ C1] ? ip6_input (net/ipv6/ip6_input.c:496)
[ 955.033717][ C1] ? ip6_input_finish (net/ipv6/ip6_input.c:496)
[ 955.034038][ C1] ? do_xdp_generic (net/core/dev.c:5908)
[ 955.034368][ C1] ? ip6_rcv_core (./include/net/sock.h:2961 net/ipv6/ip6_input.c:291)
[ 955.034732][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 955.035058][ C1] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 955.035401][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 955.035869][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 955.036246][ C1] __netif_receive_skb_one_core (net/core/dev.c:6137)
[ 955.036658][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6131)
[ 955.037070][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 955.037408][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 955.037744][ C1] ? process_backlog (./include/linux/local_lock_internal.h:57 net/core/dev.c:6601)
[ 955.038064][ C1] process_backlog (./include/linux/rcupdate.h:895 net/core/dev.c:6604)
[ 955.038383][ C1] __napi_poll.constprop.0 (net/core/dev.c:7668)
[ 955.038719][ C1] net_rx_action (net/core/dev.c:7730 net/core/dev.c:7882)
[ 955.039073][ C1] ? run_backlog_napi (net/core/dev.c:7844)
[ 955.039383][ C1] ? clockevents_program_event (kernel/time/clockevents.c:326)
[ 955.039728][ 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)
[ 955.040076][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 955.040402][ C1] ? ktime_get (kernel/time/timekeeping.c:387 (discriminator 4) kernel/time/timekeeping.c:404 (discriminator 4) kernel/time/timekeeping.c:826 (discriminator 4))
[ 955.040676][ C1] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3))
[ 955.041074][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1916)
[ 955.041399][ C1] handle_softirqs (kernel/softirq.c:623)
[ 955.041747][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[ 955.042067][ C1] do_softirq (kernel/softirq.c:523 kernel/softirq.c:510)
[ 955.042322][ C1]
[ 955.042491][ C1]
[ 955.042660][ C1] __local_bh_enable_ip (kernel/softirq.c:450)
[ 955.042974][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:934 net/core/dev.c:4847)
[ 955.043308][ C1] __dev_queue_xmit (net/core/dev.c:4848)
[ 955.043649][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[ 955.043983][ C1] ? __lock_release (kernel/locking/lockdep.c:5536)
[ 955.044312][ C1] ? netdev_core_pick_tx (net/core/dev.c:4728)
[ 955.044677][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3180 net/packet/af_packet.c:1938)
[ 955.045007][ C1] ? sock_wmalloc (net/core/sock.c:2968)
[ 955.045329][ C1] ? packet_cached_dev_get (net/packet/af_packet.c:1923)
[ 955.045690][ C1] ? skb_copy_datagram_from_iter (net/core/datagram.c:561)
[ 955.046103][ C1] packet_snd (net/packet/af_packet.c:3076)
[ 955.046453][ C1] ? tpacket_snd (net/packet/af_packet.c:2940)
[ 955.046788][ C1] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 955.047156][ C1] ? __might_fault (mm/memory.c:7081 mm/memory.c:7075)
[ 955.047496][ C1] __sys_sendto (net/socket.c:727 net/socket.c:742 net/socket.c:2244)
[ 955.047837][ C1] ? __ia32_sys_getpeername (net/socket.c:2211)
[ 955.048181][ C1] ? sock_ioctl (net/socket.c:1378)
[ 955.048810][ C1] ? __sys_setsockopt (./include/linux/file.h:62 ./include/linux/file.h:83 net/socket.c:2377)
[ 955.049147][ C1] __x64_sys_sendto (net/socket.c:2247)
[ 955.049478][ 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)
[ 955.049811][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 955.050435][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 955.050775][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 955.051181][ C1] RIP: 0033:0x7f5fc01cc27a
[ 955.051814][ 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
[ 955.052985][ C1] RSP: 002b:00007ffe3b13ffb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 955.054090][ C1] RAX: ffffffffffffffda RBX: 000000002beae080 RCX: 00007f5fc01cc27a
[ 955.054817][ C1] RDX: 0000000000000082 RSI: 000000002beae372 RDI: 0000000000000006
[ 955.055987][ C1] RBP: 000000002beae372 R08: 00007ffe3b13ffc0 R09: 0000000000000014
[ 955.056587][ C1] 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