======================================
| [ 1451.610299][ C0] #6: ffffffffaa9447e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
| [ 1451.610834][ C0] #7: ffffffffaa9447e0 (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)
| [ 1451.611369][ C0]
| [ 1451.611369][ C0] stack backtrace:
[ 1451.612076][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1451.612715][ C0] Call Trace:
[ 1451.612894][ C0]
[ 1451.613047][ C0] dump_stack_lvl (lib/dump_stack.c:107)
[ 1451.613314][ C0] validate_chain (kernel/locking/lockdep.c:3859)
[ 1451.613571][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 1451.613849][ C0] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1451.614094][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1451.614334][ C0] __lock_acquire (kernel/locking/lockdep.c:5137)
[ 1451.614587][ C0] ? lock_downgrade (kernel/locking/lockdep.c:5656)
[ 1451.614837][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1451.615079][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1451.615343][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 1451.615602][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1451.615903][ C0] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130)
[ 1451.616202][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1451.616449][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 1451.616694][ C0] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 1451.616986][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 1451.617236][ C0] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 1451.617490][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163)
[ 1451.617756][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1451.618031][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1451.618329][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1451.618630][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1451.618918][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1451.619181][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1451.619469][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 1451.619806][ C0] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1451.620020][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1451.620268][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1451.620543][ C0] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 1451.620846][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1451.621097][ C0] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1451.621416][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1451.621749][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 1451.622017][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1451.622266][ C0] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 1451.622585][ C0] netif_receive_skb_internal (net/core/dev.c:5742)
[ 1451.622879][ C0] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5721)
[ 1451.623204][ C0] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1426)
[ 1451.623494][ 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:1497 (discriminator 4))
[ 1451.623741][ C0] netif_receive_skb (net/core/dev.c:5801)
[ 1451.624016][ C0] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 1451.624361][ C0] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 1451.624719][ C0] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1451.625034][ C0] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100)
[ 1451.625325][ C0] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1451.625632][ C0] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 1451.625974][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 1451.626242][ C0] ? check_irq_usage (kernel/locking/lockdep.c:2823)
[ 1451.626519][ C0] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 1451.626794][ C0] ? __bfs (kernel/locking/lockdep.c:1787)
[ 1451.627027][ C0] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016)
[ 1451.627302][ C0] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1451.627557][ C0] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 1451.627837][ C0] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 1451.628117][ C0] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163)
[ 1451.628407][ C0] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734)
[ 1451.628660][ C0] tcf_classify (net/sched/cls_api.c:1830)
[ 1451.628898][ C0] ? __pfx_tcf_classify (net/sched/cls_api.c:1779)
[ 1451.629170][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1451.629451][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1451.629731][ C0] tc_run (net/core/dev.c:3945)
[ 1451.629943][ C0] ? __pfx_tc_run (net/core/dev.c:3929)
[ 1451.630196][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1451.630458][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1451.630731][ C0] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301)
[ 1451.630991][ C0] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1451.631255][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1451.631491][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4268)
[ 1451.631791][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359)
[ 1451.632148][ C0] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 1451.632419][ C0] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
[ 1451.632697][ C0] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199)
[ 1451.632994][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1624 ./include/linux/skbuff.h:4935 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295)
[ 1451.633277][ C0] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433)
[ 1451.633511][ C0] ? __pfx_ip_output (net/ipv4/ip_output.c:427)
[ 1451.633771][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1451.634075][ C0] ? ip_local_out (./include/linux/skbuff.h:1136 ./include/net/dst.h:450 net/ipv4/ip_output.c:129)
[ 1451.634324][ C0] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4))
[ 1451.634597][ C0] ? __create_object (mm/kmemleak.c:756)
[ 1451.634850][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 1451.635135][ C0] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283)
[ 1451.635428][ C0] ? __tcp_send_ack.part.0 (./include/linux/skbuff.h:1301 net/ipv4/tcp_output.c:4206)
[ 1451.635719][ C0] tcp_rcv_state_process (net/ipv4/tcp_input.c:6885)
[ 1451.636005][ C0] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6621)
[ 1451.636322][ C0] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 1451.636577][ C0] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 1451.636834][ C0] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 1451.637087][ C0] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1930)
[ 1451.637337][ C0] ? __pfx_tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1887)
[ 1451.637603][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2330)
[ 1451.637847][ C0] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163)
[ 1451.638108][ C0] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1451.638377][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1451.638698][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1451.638983][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1451.639273][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1451.639536][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1451.639820][ C0] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 1451.640161][ C0] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1451.640371][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1451.640621][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1451.640903][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1451.641178][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1451.641419][ C0] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1451.641735][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1451.642069][ C0] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 1451.642374][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1451.642624][ C0] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1451.642883][ C0] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985)
[ 1451.643147][ C0] __napi_poll.constprop.0 (net/core/dev.c:6584)
[ 1451.643446][ C0] net_rx_action (net/core/dev.c:6653 net/core/dev.c:6786)
[ 1451.643700][ C0] ? __pfx_net_rx_action (net/core/dev.c:6750)
[ 1451.643965][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 1451.644251][ C0] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:848 (discriminator 4))
[ 1451.644489][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1827)
[ 1451.644755][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1827)
[ 1451.645026][ C0] __do_softirq (kernel/softirq.c:553)
[ 1451.645274][ C0] ? tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 1451.645517][ C0] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 1451.645754][ C0]
[ 1451.645916][ C0]
[ 1451.646083][ C0] __local_bh_enable_ip (kernel/softirq.c:381)
[ 1451.646359][ C0] tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 1451.646597][ C0] ? __pfx_tcp_recvmsg (net/ipv4/tcp.c:2564)
[ 1451.646855][ C0] ? core_sys_select (./arch/x86/include/asm/smap.h:33 ./arch/x86/include/asm/uaccess_64.h:120 ./arch/x86/include/asm/uaccess_64.h:133 ./include/linux/uaccess.h:138 fs/select.c:404 fs/select.c:401 fs/select.c:693)
[ 1451.647114][ C0] ? __pfx_core_sys_select (fs/select.c:627)
[ 1451.647406][ C0] inet_recvmsg (net/ipv4/af_inet.c:884 (discriminator 8))
[ 1451.647647][ C0] ? __pfx_inet_recvmsg (net/ipv4/af_inet.c:874)
[ 1451.647920][ C0] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 1451.648174][ C0] ? sockfd_lookup_light (net/socket.c:558)
[ 1451.648456][ C0] __sys_recvfrom (net/socket.c:1046 net/socket.c:1068 net/socket.c:2242)
[ 1451.648714][ C0] ? __pfx___sys_recvfrom (net/socket.c:2223)
[ 1451.648997][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 1451.649273][ C0] ? do_pselect.constprop.0 (fs/select.c:764)
[ 1451.649562][ C0] ? __pfx_do_pselect.constprop.0 (fs/select.c:732)
[ 1451.649883][ C0] ? __pfx_task_work_run (kernel/task_work.c:148)
[ 1451.650157][ C0] __x64_sys_recvfrom (net/socket.c:2256)
[ 1451.650426][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 1451.650768][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1451.651028][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 1451.651339][ C0] RIP: 0033:0x7fd1c7cb84c0
[ 1451.651588][ C0] 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
[ 1451.652588][ C0] RSP: 002b:00007fff400b85c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 1451.653027][ C0] RAX: ffffffffffffffda RBX: 000055a81c4dba20 RCX: 00007fd1c7cb84c0
[ 1451.653448][ C0] RDX: 0000000000002000 RSI: 00007fff400b8650 RDI: 0000000000000008
[ 1451.653873][ C0] RBP: 00007fff400b8650 R08: 0000000000000000 R09: 0000000000000000
[ 1451.654287][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested