======================================
| [ 1228.750133] #6: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5787 net/core/dev.c:5859) 
| [ 1228.750601] #7: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/ipv4/ip_input.c:232) 
| [ 1228.751120]
| [ 1228.751120] stack backtrace:
[ 1228.751736] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1228.752335] Call Trace:
[ 1228.752502]  <IRQ>
[ 1228.752642] dump_stack_lvl (lib/dump_stack.c:108) 
[ 1228.752871] __lock_acquire (kernel/locking/lockdep.c:5138) 
[ 1228.753091] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) 
[ 1228.753348] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) 
[ 1228.753572] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1228.753796] ? sk_filter_trim_cap (net/core/filter.c:165) 
[ 1228.754031] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 1228.754276] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1228.754478] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1228.754670] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1228.754922] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1228.755165] __netif_receive_skb_one_core (net/core/dev.c:5600 (discriminator 4)) 
[ 1228.755463] netif_receive_skb (net/core/dev.c:5800 net/core/dev.c:5859) 
[ 1228.755699] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred
[ 1228.755996]  tcf_mirred_act+
DETECTED CRASH, lowering timeout
0xee/0x560 [act_mirred]
[ 1228.756260] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1228.756560] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100 net/sched/act_api.c:1074) 
[ 1228.756765] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1228.757044] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 1228.757234] ? check_irq_usage (kernel/locking/lockdep.c:2823) 
[ 1228.757474] ? __skb_flow_dissect (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/flow_dissector.c:1101) 
[ 1228.757709] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 1228.757979] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 1228.758220] ? __skb_flow_dissect (./include/net/flow_dissector.h:443 net/core/flow_dissector.c:1140) 
[ 1228.758484] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) 
[ 1228.758720] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) 
[ 1228.758921] tc_run (net/core/dev.c:3946) 
[ 1228.759092] __dev_queue_xmit (net/core/dev.c:4070 net/core/dev.c:4302) 
[ 1228.759328] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 1228.759533] ? eth_header (net/ethernet/eth.c:85) 
[ 1228.759740] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235) 
[ 1228.759956] ? ip_skb_dst_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2654 ./include/net/ip.h:465 ./include/net/ip.h:502) 
[ 1228.760195] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1228.760427] __ip_queue_xmit (net/ipv4/ip_output.c:535) 
[ 1228.760658] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 1228.760902] ? __alloc_skb (net/core/skbuff.c:685) 
[ 1228.761103] tcp_rcv_state_process (net/ipv4/tcp_input.c:6871) 
[ 1228.761343] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 1228.761565] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1228.761793] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 1228.761988] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 1228.762192] ? process_backlog (net/core/dev.c:6036 (discriminator 2)) 
[ 1228.762402] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) 
[ 1228.762659] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 1228.762927] __netif_receive_skb_one_core (net/core/dev.c:5600 (discriminator 4)) 
[ 1228.763182] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6043) 
[ 1228.763407] __napi_poll.constprop.0 (net/core/dev.c:6671) 
[ 1228.763658] net_rx_action (net/core/dev.c:6742 net/core/dev.c:6871) 
[ 1228.763874] __do_softirq (kernel/softirq.c:553) 
[ 1228.764062] ? tcp_recvmsg (net/ipv4/tcp.c:2580) 
[ 1228.764273] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) 
[ 1228.764480]  </IRQ>
[ 1228.764606]  <TASK>
[ 1228.764759] __local_bh_enable_ip (kernel/softirq.c:381) 
[ 1228.764983] tcp_recvmsg (net/ipv4/tcp.c:2580) 
[ 1228.765206] inet_recvmsg (net/ipv4/af_inet.c:884 (discriminator 8)) 
[ 1228.765443] __sys_recvfrom (net/socket.c:1046 net/socket.c:1068 net/socket.c:2242) 
[ 1228.765651] ? do_pselect.constprop.0 (fs/select.c:764) 
[ 1228.765921] ? task_mm_cid_work (./include/linux/find.h:64 kernel/sched/core.c:11943) 
[ 1228.766145] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:202 arch/x86/kernel/fpu/core.c:181) 
[ 1228.766429] __x64_sys_recvfrom (net/socket.c:2260 net/socket.c:2256 net/socket.c:2256) 
[ 1228.766649] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1228.766873] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 1228.767144] RIP: 0033:0x7f6133a4d4c0
[ 1228.767367] Code: 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20
All code
========
   0:	84 00                	test   %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	0f 1f 40 00          	nopl   0x0(%rax)
   a:	f3 0f 1e fa          	endbr64
   e:	41 89 ca             	mov    %ecx,%r10d
  11:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  18:	00 
  19:	85 c0                	test   %eax,%eax
  1b:	75 1d                	jne    0x3a
  1d:	45 31 c9             	xor    %r9d,%r9d
  20:	45 31 c0             	xor    %r8d,%r8d
  23:	b8 2d 00 00 00       	mov    $0x2d,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 68                	ja     0x9a
  32:	c3                   	ret
  33:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3a:	41 54                	push   %r12
  3c:	48 83 ec 20          	sub    $0x20,%rsp

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 68                	ja     0x70
   8:	c3                   	ret
   9:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  10:	41 54                	push   %r12
  12:	48 83 ec 20          	sub    $0x20,%rsp
[ 1228.768334] RSP: 002b:00007fff279a4db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 1228.768736] RAX: ffffffffffffffda RBX: 0000564f8a32aa20 RCX: 00007f6133a4d4c0
[ 1228.769137] RDX: 0000000000002000 RSI: 00007fff279a4e40 RDI: 0000000000000008
[ 1228.769514] RBP: 00007fff279a4e40 R08: 0000000000000000 R09: 0000000000000000
[ 1228.769880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008


Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested