======================================
| [ 18.663984][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
| [ 18.664110][ C2]
| [ 18.664160][ C2]
| [ 18.664160][ C2] stack backtrace:
[ 18.664349][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.664351][ C2] Call Trace:
[ 18.664352][ C2]
[ 18.664354][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 18.664358][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125)
[ 18.664362][ C2] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294)
[ 18.664365][ C2] mark_lock (kernel/locking/lockdep.c:4753)
[ 18.664366][ C2] mark_usage (kernel/locking/lockdep.c:4642)
[ 18.664368][ C2] __lock_acquire (kernel/locking/lockdep.c:5191)
[ 18.664369][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 18.664371][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 18.664372][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 18.664375][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664378][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 18.664379][ C2] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:192 (discriminator 3) kernel/locking/spinlock.c:256 (discriminator 3))
[ 18.664381][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 18.664383][ C2] ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 18.664385][ C2] ndisc_send_ns (net/ipv6/ndisc.c:662)
[ 18.664386][ C2] ? __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))
[ 18.664389][ C2] ? ndisc_parse_options (net/ipv6/ndisc.c:285)
[ 18.664390][ C2] ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:871 net/ipv6/addrconf.c:2015)
[ 18.664392][ C2] ndisc_solicit (net/ipv6/ndisc.c:762)
[ 18.664394][ C2] ? ndisc_send_ns (net/ipv6/ndisc.c:672)
[ 18.664396][ C2] ? neigh_probe (net/core/neighbour.c:1094)
[ 18.664398][ C2] neigh_probe (net/core/neighbour.c:1096)
[ 18.664400][ C2] __neigh_event_send (net/core/neighbour.c:1276)
[ 18.664402][ C2] ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:8)
[ 18.664404][ C2] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 18.664407][ C2] neigh_resolve_output (./include/net/neighbour.h:480 ./include/net/neighbour.h:486 ./include/net/neighbour.h:484 net/core/neighbour.c:1603)
[ 18.664409][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[ 18.664411][ C2] ? ip6_xmit (net/ipv6/ip6_output.c:328)
[ 18.664412][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 18.664414][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 18.664417][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 18.664418][ C2] ? 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))
[ 18.664421][ C2] ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[ 18.664423][ C2] ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[ 18.664425][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 18.664426][ C2] ? l3mdev_l3_out.constprop.0 (./include/linux/rcupdate.h:871 ./include/net/l3mdev.h:222)
[ 18.664430][ C2] ip6_tnl_xmit (./include/net/ip6_tunnel.h:174 (discriminator 1) net/ipv6/ip6_tunnel.c:1292 (discriminator 1)) ip6_tunnel
[ 18.664433][ C2] ? ip_route_input (./include/linux/skbuff.h:1167) ip6_tunnel
[ 18.664435][ C2] ? pskb_expand_head (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:2353)
[ 18.664438][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 18.664440][ C2] ? __pskb_copy_fclone (./include/linux/skbuff.h:1727)
[ 18.664442][ C2] __gre6_xmit (net/ipv6/ip6_gre.c:787) ip6_gre
[ 18.664444][ C2] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:1994 (discriminator 28))
[ 18.664447][ C2] ? gre_build_header (./include/net/gre.h:137 (discriminator 2)) ip6_gre
[ 18.664449][ C2] ? 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
[ 18.664451][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[ 18.664455][ C2] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:811 net/ipv6/ip6_gre.c:894) ip6_gre
[ 18.664458][ C2] ? __gre6_xmit (./include/linux/skbuff.h:2906) ip6_gre
[ 18.664459][ C2] ? sock_def_readable (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/sock.c:3620 (discriminator 2))
[ 18.664461][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 18.664464][ C2] ? 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))
[ 18.664467][ C2] dev_hard_start_xmit (./include/linux/netdevice.h:5384 ./include/linux/netdevice.h:5393 net/core/dev.c:3888 net/core/dev.c:3904)
[ 18.664469][ C2] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 18.664471][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664473][ C2] __dev_queue_xmit (net/core/dev.c:4871)
[ 18.664476][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 18.664478][ C2] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 18.664480][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 18.664482][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 18.664484][ C2] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 18.664486][ C2] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 18.664488][ C2] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:237 (discriminator 3))
[ 18.664490][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:871 ./include/net/ip.h:504)
[ 18.664493][ C2] ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:393 (discriminator 4))
[ 18.664495][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664497][ C2] ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438)
[ 18.664499][ C2] ? ip_finish_output (./include/linux/cgroup.h:847)
[ 18.664500][ C2] ? ip4_frag_init (ip_fragment.c:?)
[ 18.664502][ C2] ? ip_forward (./include/linux/netfilter.h:316 net/ipv4/ip_forward.c:162)
[ 18.664505][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6665 (discriminator 2))
[ 18.664506][ C2] ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[ 18.664508][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:867 (discriminator 3))
[ 18.664510][ C2] ? mark_usage (kernel/locking/lockdep.c:4674)
[ 18.664511][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 18.664513][ C2] ? init_data_structures_once.part.0 (kernel/locking/lockdep.c:3397 (discriminator 1) kernel/locking/lockdep.c:3438 (discriminator 1) kernel/locking/lockdep.c:3482 (discriminator 1) kernel/locking/lockdep.c:1210 (discriminator 1))
[ 18.664515][ C2] __netif_receive_skb_one_core (net/core/dev.c:6203)
[ 18.664516][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 18.664517][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6249 (discriminator 2))
[ 18.664519][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664522][ C2] process_backlog (net/core/dev.c:6667)
[ 18.664524][ C2] __napi_poll (net/core/dev.c:7726)
[ 18.664525][ C2] net_rx_action (net/core/dev.c:7789 net/core/dev.c:7946)
[ 18.664527][ C2] ? __napi_poll (./include/net/gro.h:507)
[ 18.664529][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 18.664532][ C2] ? clockevents_program_event (kernel/time/clockevents.c:372)
[ 18.664535][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664536][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664538][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664540][ C2] handle_softirqs (kernel/softirq.c:622)
[ 18.664542][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664544][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 18.664545][ C2] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[ 18.664547][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 18.664549][ C2] do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[ 18.664551][ C2]
[ 18.664551][ C2]
[ 18.664552][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:909 (discriminator 2) net/core/dev.c:4906 (discriminator 2))
[ 18.664554][ C2] __local_bh_enable_ip (kernel/softirq.c:450)
[ 18.664555][ C2] __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))
[ 18.664557][ C2] ? _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)
[ 18.664561][ C2] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[ 18.664563][ C2] ? net_dim (lib/dim/net_dim.c:367)
[ 18.664565][ C2] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 18.664569][ C2] ? packet_release (net/packet/af_packet.c:3171)
[ 18.664571][ C2] packet_snd (net/packet/af_packet.c:3082)
[ 18.664574][ C2] ? tpacket_snd (net/packet/af_packet.c:2685)
[ 18.664576][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 18.664579][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 18.664580][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 18.664582][ C2] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 18.664584][ C2] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 18.664587][ C2] ? sock_ioctl (net/socket.c:1434)
[ 18.664590][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:619 arch/x86/mm/fault.c:1413)
[ 18.664594][ C2] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 18.664596][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 18.664599][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 18.664601][ C2] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[ 18.664602][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 18.664603][ C2] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 18.664605][ C2] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 18.664606][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 18.664608][ C2] RIP: 0033:0x7f8d1730d08e
[ 18.664611][ C2] 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
[ 18.664613][ C2] RSP: 002b:00007ffd952b2b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 18.664616][ C2] RAX: ffffffffffffffda RBX: 00005566d736bb22 RCX: 00007f8d1730d08e
[ 18.664617][ C2] RDX: 0000000000000062 RSI: 00005566d736bb22 RDI: 0000000000000005
[ 18.664618][ C2] RBP: 00007ffd952b2b90 R08: 00007ffd952b2be0 R09: 0000000000000014
[ 18.664619][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00005566d736b830
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_read_lock_bh