======================================
| [ 2235.717552][ C3] #6: ffffffff9a9467e0 (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:5787 (discriminator 16))
| [ 2235.718097][ C3] #7: ffffffff9a9467e0 (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)
| [ 2235.718620][ C3]
| [ 2235.718620][ C3] stack backtrace:
[ 2235.719330][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2235.719956][ C3] Call Trace:
[ 2235.720131][ C3]
[ 2235.720301][
DETECTED CRASH, lowering timeout
C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 2235.720549][ C3] validate_chain (kernel/locking/lockdep.c:3859)
[ 2235.720800][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 2235.721073][ C3] ? 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)
[ 2235.721315][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 2235.721547][ C3] __lock_acquire (kernel/locking/lockdep.c:5137)
[ 2235.721799][ C3] ? lock_downgrade (kernel/locking/lockdep.c:5659 (discriminator 1))
[ 2235.722064][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 2235.722300][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 2235.722557][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 2235.722806][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 2235.723106][ C3] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130)
[ 2235.723396][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 2235.723640][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 2235.723894][ C3] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 2235.724168][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 2235.724427][ C3] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 2235.724676][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 2235.724934][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 2235.725203][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 2235.725494][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 2235.725775][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 2235.726065][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 2235.726323][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 2235.726610][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1168 net/ipv4/tcp_ipv4.c:1988)
[ 2235.726897][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 2235.727233][ C3] 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)
[ 2235.727445][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 2235.727680][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 2235.727963][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5787 (discriminator 16))
[ 2235.728273][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 2235.728518][ C3] __netif_receive_skb_one_core (net/core/dev.c:5600 (discriminator 4))
[ 2235.728829][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5593)
[ 2235.729170][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 2235.729429][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 2235.729670][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5787 (discriminator 16))
[ 2235.729990][ C3] netif_receive_skb_internal (net/core/dev.c:5800)
[ 2235.730295][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5779)
[ 2235.730614][ C3] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1531)
[ 2235.730871][ C3] ? __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:1602 (discriminator 4))
[ 2235.731106][ C3] netif_receive_skb (net/core/dev.c:5859)
[ 2235.731360][ C3] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 2235.731678][ C3] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 2235.732011][ C3] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 2235.732313][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100)
[ 2235.732591][ C3] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 2235.732892][ C3] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 2235.733210][ C3] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 2235.733482][ C3] ? __bfs (kernel/locking/lockdep.c:1787)
[ 2235.733692][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016)
[ 2235.733966][ C3] ? 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)
[ 2235.734199][ C3] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 2235.734475][ C3] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 2235.734743][ C3] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163)
[ 2235.735028][ C3] ? 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)
[ 2235.735262][ C3] ? check_prev_add (kernel/locking/lockdep.c:3172)
[ 2235.735516][ C3] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734)
[ 2235.735757][ C3] tcf_classify (net/sched/cls_api.c:1830)
[ 2235.735991][ C3] ? __pfx_tcf_classify (net/sched/cls_api.c:1779)
[ 2235.736248][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4285)
[ 2235.736510][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 2235.736782][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4285)
[ 2235.737051][ C3] tc_run (net/core/dev.c:3946)
[ 2235.737257][ C3] ? __pfx_tc_run (net/core/dev.c:3930)
[ 2235.737492][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 2235.737733][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4285)
[ 2235.737996][ C3] __dev_queue_xmit (net/core/dev.c:4070 net/core/dev.c:4302)
[ 2235.738259][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 2235.738504][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359)
[ 2235.738844][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4269)
[ 2235.739118][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 2235.739374][ C3] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
[ 2235.739633][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199)
[ 2235.739914][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1624 ./include/linux/skbuff.h:4936 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295)
[ 2235.740180][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433)
[ 2235.740403][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427)
[ 2235.740647][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 2235.740935][ C3] ? ip_local_out (./include/linux/skbuff.h:1136 ./include/net/dst.h:450 net/ipv4/ip_output.c:129)
[ 2235.741178][ C3] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4))
[ 2235.741427][ C3] ? __create_object (mm/kmemleak.c:756)
[ 2235.741678][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 2235.741949][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283)
[ 2235.742233][ C3] ? __tcp_send_ack.part.0 (./include/linux/skbuff.h:1301 net/ipv4/tcp_output.c:4206)
[ 2235.742506][ C3] tcp_rcv_state_process (net/ipv4/tcp_input.c:6871)
[ 2235.742787][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 2235.743027][ C3] ? 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)
[ 2235.743267][ C3] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991)
[ 2235.743520][ C3] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620)
[ 2235.743813][ C3] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959)
[ 2235.744084][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 2235.744372][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
[ 2235.744611][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329)
[ 2235.744845][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 2235.745094][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 2235.745352][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 2235.745640][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 2235.745917][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 2235.746196][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 2235.746445][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 2235.746732][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1168 net/ipv4/tcp_ipv4.c:1988)
[ 2235.747002][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 2235.747325][ C3] 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)
[ 2235.747531][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 2235.747763][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 2235.748028][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6041)
[ 2235.748283][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 2235.748516][ C3] __netif_receive_skb_one_core (net/core/dev.c:5600 (discriminator 4))
[ 2235.748819][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5593)
[ 2235.749145][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 2235.749431][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 2235.749672][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6041)
[ 2235.749929][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6043)
[ 2235.750172][ C3] __napi_poll.constprop.0 (net/core/dev.c:6671)
[ 2235.750446][ C3] net_rx_action (net/core/dev.c:6740 net/core/dev.c:6871)
[ 2235.750684][ C3] ? __pfx_net_rx_action (net/core/dev.c:6835)
[ 2235.750945][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 2235.751217][ C3] ? 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))
[ 2235.751437][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1828)
[ 2235.751699][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1828)
[ 2235.751969][ C3] __do_softirq (kernel/softirq.c:553)
[ 2235.752207][ C3] ? tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 2235.752440][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 2235.752655][ C3]
[ 2235.752805][ C3]
[ 2235.752956][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 2235.753222][ C3] tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 2235.753443][ C3] ? __pfx_tcp_recvmsg (net/ipv4/tcp.c:2564)
[ 2235.753695][ C3] ? 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)
[ 2235.753955][ C3] ? __pfx_core_sys_select (fs/select.c:627)
[ 2235.754224][ C3] inet_recvmsg (net/ipv4/af_inet.c:884 (discriminator 8))
[ 2235.754454][ C3] ? __pfx_inet_recvmsg (net/ipv4/af_inet.c:874)
[ 2235.754711][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 2235.754946][ C3] ? sockfd_lookup_light (net/socket.c:558)
[ 2235.755215][ C3] __sys_recvfrom (net/socket.c:1046 net/socket.c:1068 net/socket.c:2242)
[ 2235.755461][ C3] ? __pfx___sys_recvfrom (net/socket.c:2223)
[ 2235.755726][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 2235.755999][ C3] ? do_pselect.constprop.0 (fs/select.c:764)
[ 2235.756287][ C3] ? __pfx_do_pselect.constprop.0 (fs/select.c:732)
[ 2235.756593][ C3] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:202 arch/x86/kernel/fpu/core.c:181)
[ 2235.756905][ C3] ? __pfx_restore_fpregs_from_fpstate (arch/x86/kernel/fpu/core.c:137)
[ 2235.757236][ C3] __x64_sys_recvfrom (net/socket.c:2256)
[ 2235.757489][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 2235.757824][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 2235.758065][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 2235.758368][ C3] RIP: 0033:0x7f8773e094c0
[ 2235.758596][ C3] 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
[ 2235.759578][ C3] RSP: 002b:00007ffc5fd1e488 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 2235.760005][ C3] RAX: ffffffffffffffda RBX: 0000561ff2a95a20 RCX: 00007f8773e094c0
[ 2235.760405][ C3] RDX: 0000000000002000 RSI: 00007ffc5fd1e510 RDI: 0000000000000008
[ 2235.760813][ C3] RBP: 00007ffc5fd1e510 R08: 0000000000000000 R09: 0000000000000000
[ 2235.761215][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested