======================================
| [ 17.653383][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
| [ 17.653505][ C3]
| [ 17.653555][ C3]
| [ 17.653555][ C3] stack backtrace:
[ 17.653678][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.653680][ C3] Call Trace:
[ 17.653681][ C3]
[ 17.653682][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 17.653687][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125)
[ 17.653690][ C3] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294)
[ 17.653693][ C3] mark_lock (kernel/locking/lockdep.c:4753)
[ 17.653694][ C3] mark_usage (kernel/locking/lockdep.c:4642)
[ 17.653696][ C3] __lock_acquire (kernel/locking/lockdep.c:5191)
[ 17.653697][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 17.653699][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 17.653700][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 17.653702][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653705][ C3] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 17.653707][ C3] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:192 (discriminator 3) kernel/locking/spinlock.c:256 (discriminator 3))
[ 17.653708][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 17.653710][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 17.653712][ C3] ndisc_send_ns (net/ipv6/ndisc.c:662)
[ 17.653713][ C3] ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/ipv6/addrconf.c:2015 (discriminator 2))
[ 17.653716][ C3] ? ndisc_parse_options (net/ipv6/ndisc.c:285)
[ 17.653717][ C3] ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:871 net/ipv6/addrconf.c:2015)
[ 17.653719][ C3] ndisc_solicit (net/ipv6/ndisc.c:762)
[ 17.653721][ C3] ? ndisc_send_ns (net/ipv6/ndisc.c:672)
[ 17.653722][ C3] ? neigh_probe (net/core/neighbour.c:1094)
[ 17.653724][ C3] neigh_probe (net/core/neighbour.c:1096)
[ 17.653726][ C3] __neigh_event_send (net/core/neighbour.c:1276)
[ 17.653728][ C3] ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:8)
[ 17.653730][ C3] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 17.653733][ C3] neigh_resolve_output (./include/net/neighbour.h:480 ./include/net/neighbour.h:486 ./include/net/neighbour.h:484 net/core/neighbour.c:1603)
[ 17.653734][ C3] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[ 17.653737][ C3] ? ip6_xmit (net/ipv6/ip6_output.c:328)
[ 17.653738][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 17.653739][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 17.653742][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 17.653743][ C3] ? ip6_mtu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/ip6_route.h:382 (discriminator 2) net/ipv6/route.c:3288 (discriminator 2))
[ 17.653745][ C3] ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[ 17.653747][ C3] ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[ 17.653749][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 17.653751][ C3] ? l3mdev_l3_out.constprop.0 (./include/linux/rcupdate.h:871 ./include/net/l3mdev.h:222)
[ 17.653754][ C3] ip6_tnl_xmit (./include/net/ip6_tunnel.h:174 (discriminator 1) net/ipv6/ip6_tunnel.c:1292 (discriminator 1)) ip6_tunnel
[ 17.653757][ C3] ? ip_route_input (./include/linux/skbuff.h:1167) ip6_tunnel
[ 17.653759][ C3] ? pskb_expand_head (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:2353)
[ 17.653762][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 17.653764][ C3] ? __pskb_copy_fclone (./include/linux/skbuff.h:1727)
[ 17.653766][ C3] __gre6_xmit (net/ipv6/ip6_gre.c:787) ip6_gre
[ 17.653768][ C3] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:1995)
[ 17.653770][ C3] ? gre_build_header (./include/net/gre.h:137 (discriminator 2)) ip6_gre
[ 17.653772][ C3] ? ip6_tnl_xmit_ctl (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/ipv6/ip6_tunnel.c:1071 (discriminator 2)) ip6_tunnel
[ 17.653774][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[ 17.653778][ C3] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:811 net/ipv6/ip6_gre.c:894) ip6_gre
[ 17.653783][ C3] ? __gre6_xmit (./include/linux/skbuff.h:2906) ip6_gre
[ 17.653785][ C3] ? sock_def_readable (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/sock.c:3620 (discriminator 2))
[ 17.653787][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 17.653790][ C3] ? dev_queue_xmit_nit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/dev.c:2610 (discriminator 2))
[ 17.653793][ C3] dev_hard_start_xmit (./include/linux/netdevice.h:5384 ./include/linux/netdevice.h:5393 net/core/dev.c:3888 net/core/dev.c:3904)
[ 17.653795][ C3] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 17.653797][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653798][ C3] __dev_queue_xmit (net/core/dev.c:4871)
[ 17.653801][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 17.653803][ C3] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 17.653804][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 17.653806][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 17.653808][ C3] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 17.653810][ C3] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 17.653812][ C3] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:237 (discriminator 3))
[ 17.653814][ C3] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:871 ./include/net/ip.h:504)
[ 17.653816][ C3] ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:393 (discriminator 4))
[ 17.653818][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653821][ C3] ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438)
[ 17.653822][ C3] ? ip_finish_output (./include/linux/cgroup.h:847)
[ 17.653823][ C3] ? ip4_frag_init (ip_fragment.c:?)
[ 17.653825][ C3] ? ip_forward (./include/linux/netfilter.h:316 net/ipv4/ip_forward.c:162)
[ 17.653827][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6665 (discriminator 2))
[ 17.653829][ C3] ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[ 17.653830][ C3] ? ip_local_deliver (./include/linux/rcupdate.h:867 (discriminator 3))
[ 17.653833][ C3] ? mark_usage (kernel/locking/lockdep.c:4674)
[ 17.653834][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 17.653836][ C3] __netif_receive_skb_one_core (net/core/dev.c:6203)
[ 17.653837][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 17.653838][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6249 (discriminator 2))
[ 17.653840][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653843][ C3] process_backlog (net/core/dev.c:6667)
[ 17.653844][ C3] __napi_poll (net/core/dev.c:7726)
[ 17.653846][ C3] net_rx_action (net/core/dev.c:7789 net/core/dev.c:7946)
[ 17.653848][ C3] ? __napi_poll (./include/net/gro.h:507)
[ 17.653849][ C3] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 17.653852][ C3] ? clockevents_program_event (kernel/time/clockevents.c:372)
[ 17.653855][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653856][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653858][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653860][ C3] handle_softirqs (kernel/softirq.c:622)
[ 17.653861][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653863][ C3] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 17.653865][ C3] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[ 17.653866][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 17.653868][ C3] do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[ 17.653870][ C3]
[ 17.653870][ C3]
[ 17.653871][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:909 (discriminator 2) net/core/dev.c:4906 (discriminator 2))
[ 17.653872][ C3] __local_bh_enable_ip (kernel/softirq.c:450)
[ 17.653874][ C3] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:912 (discriminator 2) net/core/dev.c:4906 (discriminator 2))
[ 17.653876][ C3] ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[ 17.653880][ C3] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[ 17.653882][ C3] ? net_dim (lib/dim/net_dim.c:367)
[ 17.653884][ C3] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 17.653887][ C3] ? packet_release (net/packet/af_packet.c:3171)
[ 17.653889][ C3] packet_snd (net/packet/af_packet.c:3082)
[ 17.653892][ C3] ? tpacket_snd (net/packet/af_packet.c:2685)
[ 17.653894][ C3] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 17.653897][ C3] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 17.653898][ C3] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 17.653900][ C3] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 17.653902][ C3] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 17.653905][ C3] ? sock_ioctl (net/socket.c:1434)
[ 17.653907][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:619 arch/x86/mm/fault.c:1413)
[ 17.653911][ C3] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 17.653913][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 17.653916][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 17.653918][ C3] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[ 17.653919][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 17.653920][ C3] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 17.653921][ C3] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 17.653923][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 17.653925][ C3] RIP: 0033:0x7f5c4623708e
[ 17.653927][ C3] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
0: 4d 89 d8 mov %r11,%r8
3: e8 94 bd 00 00 call 0xbd9c
8: 4c 8b 5d f8 mov -0x8(%rbp),%r11
c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx
13: 59 pop %rcx
14: 5e pop %rsi
15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax
19: 74 11 je 0x2c
1b: c9 leave
1c: c3 ret
1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
24: 48 8b 45 10 mov 0x10(%rbp),%rax
28: 0f 05 syscall
2a:* c9 leave <-- trapping instruction
2b: c3 ret
2c: 83 e2 39 and $0x39,%edx
2f: 83 fa 08 cmp $0x8,%edx
32: 75 e7 jne 0x1b
34: e8 03 ff ff ff call 0xffffffffffffff3c
39: 0f 1f 00 nopl (%rax)
3c: f3 0f 1e fa endbr64
Code starting with the faulting instruction
===========================================
0: c9 leave
1: c3 ret
2: 83 e2 39 and $0x39,%edx
5: 83 fa 08 cmp $0x8,%edx
8: 75 e7 jne 0xfffffffffffffff1
a: e8 03 ff ff ff call 0xffffffffffffff12
f: 0f 1f 00 nopl (%rax)
12: f3 0f 1e fa endbr64
[ 17.653929][ C3] RSP: 002b:00007ffee66822f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 17.653932][ C3] RAX: ffffffffffffffda RBX: 0000564215b08b22 RCX: 00007f5c4623708e
[ 17.653933][ C3] RDX: 0000000000000062 RSI: 0000564215b08b22 RDI: 0000000000000005
[ 17.653934][ C3] RBP: 00007ffee6682300 R08: 00007ffee6682350 R09: 0000000000000014
[ 17.653935][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564215b08830
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_read_lock_bh