======================================
| [ 16.940101][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
| [ 16.940216][ C2]
| [ 16.940268][ C2]
| [ 16.940268][ C2] stack backtrace:
[ 16.940389][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 16.940391][ C2] Call Trace:
[ 16.940392][ C2]
[ 16.940393][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 16.940398][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125)
[ 16.940401][ C2] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294)
[ 16.940404][ C2] mark_lock (kernel/locking/lockdep.c:4753)
[ 16.940405][ C2] mark_usage (kernel/locking/lockdep.c:4642)
[ 16.940407][ C2] __lock_acquire (kernel/locking/lockdep.c:5191)
[ 16.940408][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 16.940410][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.940412][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 16.940414][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940417][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 16.940419][ C2] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:192 (discriminator 3) kernel/locking/spinlock.c:256 (discriminator 3))
[ 16.940420][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 16.940422][ C2] ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 16.940424][ C2] ndisc_send_ns (net/ipv6/ndisc.c:662)
[ 16.940425][ 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))
[ 16.940428][ C2] ? ndisc_parse_options (net/ipv6/ndisc.c:285)
[ 16.940429][ C2] ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:871 net/ipv6/addrconf.c:2015)
[ 16.940431][ C2] ndisc_solicit (net/ipv6/ndisc.c:762)
[ 16.940433][ C2] ? ndisc_send_ns (net/ipv6/ndisc.c:672)
[ 16.940434][ C2] ? neigh_probe (net/core/neighbour.c:1094)
[ 16.940436][ C2] neigh_probe (net/core/neighbour.c:1096)
[ 16.940438][ C2] __neigh_event_send (net/core/neighbour.c:1276)
[ 16.940440][ C2] ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:8)
[ 16.940442][ C2] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 16.940445][ C2] neigh_resolve_output (./include/net/neighbour.h:480 ./include/net/neighbour.h:486 ./include/net/neighbour.h:484 net/core/neighbour.c:1603)
[ 16.940447][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[ 16.940449][ C2] ? ip6_xmit (net/ipv6/ip6_output.c:328)
[ 16.940451][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.940452][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 16.940455][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 16.940456][ 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))
[ 16.940459][ C2] ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[ 16.940461][ C2] ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[ 16.940462][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[ 16.940464][ C2] ? l3mdev_l3_out.constprop.0 (./include/linux/rcupdate.h:871 ./include/net/l3mdev.h:222)
[ 16.940467][ C2] ip6_tnl_xmit (./include/net/ip6_tunnel.h:174 (discriminator 1) net/ipv6/ip6_tunnel.c:1292 (discriminator 1)) ip6_tunnel
[ 16.940470][ C2] ? ip_route_input (./include/linux/skbuff.h:1167) ip6_tunnel
[ 16.940472][ C2] ? pskb_expand_head (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:2353)
[ 16.940475][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 16.940477][ C2] ? __pskb_copy_fclone (./include/linux/skbuff.h:1727)
[ 16.940479][ C2] __gre6_xmit (net/ipv6/ip6_gre.c:787) ip6_gre
[ 16.940481][ C2] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:1994 (discriminator 28))
[ 16.940483][ C2] ? gre_build_header (./include/net/gre.h:137 (discriminator 2)) ip6_gre
[ 16.940485][ 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
[ 16.940487][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[ 16.940491][ C2] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:811 net/ipv6/ip6_gre.c:894) ip6_gre
[ 16.940493][ C2] ? __gre6_xmit (./include/linux/skbuff.h:2906) ip6_gre
[ 16.940495][ 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))
[ 16.940497][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 16.940500][ 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))
[ 16.940502][ 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)
[ 16.940504][ C2] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 16.940506][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940508][ C2] __dev_queue_xmit (net/core/dev.c:4871)
[ 16.940510][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 16.940512][ C2] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 16.940514][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 16.940516][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 16.940518][ C2] ? ___neigh_create (./include/linux/spinlock.h:396 net/core/neighbour.c:724)
[ 16.940520][ C2] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[ 16.940522][ C2] ip_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv4/ip_output.c:237 (discriminator 3))
[ 16.940524][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:871 ./include/net/ip.h:504)
[ 16.940527][ 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))
[ 16.940529][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940531][ C2] ip_output (./include/linux/netfilter.h:307 net/ipv4/ip_output.c:438)
[ 16.940532][ C2] ? ip_finish_output (./include/linux/cgroup.h:847)
[ 16.940533][ C2] ? ip4_frag_init (ip_fragment.c:?)
[ 16.940536][ C2] ? ip_forward (./include/linux/netfilter.h:316 net/ipv4/ip_forward.c:162)
[ 16.940538][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6665 (discriminator 2))
[ 16.940539][ C2] ip_rcv (./include/linux/netfilter.h:318 ./include/linux/netfilter.h:312 net/ipv4/ip_input.c:612)
[ 16.940541][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:867 (discriminator 3))
[ 16.940543][ C2] ? mark_usage (kernel/locking/lockdep.c:4674)
[ 16.940544][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 16.940546][ C2] __netif_receive_skb_one_core (net/core/dev.c:6203)
[ 16.940547][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 16.940549][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6249 (discriminator 2))
[ 16.940551][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940553][ C2] process_backlog (net/core/dev.c:6667)
[ 16.940555][ C2] __napi_poll (net/core/dev.c:7726)
[ 16.940556][ C2] net_rx_action (net/core/dev.c:7789 net/core/dev.c:7946)
[ 16.940558][ C2] ? __napi_poll (./include/net/gro.h:507)
[ 16.940560][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 16.940563][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940565][ C2] handle_softirqs (kernel/softirq.c:622)
[ 16.940567][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940569][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 16.940570][ C2] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[ 16.940573][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 16.940574][ C2] do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[ 16.940576][ C2]
[ 16.940576][ C2]
[ 16.940577][ 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))
[ 16.940579][ C2] __local_bh_enable_ip (kernel/softirq.c:450)
[ 16.940580][ 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))
[ 16.940582][ 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)
[ 16.940587][ C2] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[ 16.940588][ C2] ? net_dim (lib/dim/net_dim.c:367)
[ 16.940590][ C2] ? netdev_core_pick_tx (net/core/dev.c:4732)
[ 16.940594][ C2] ? packet_release (net/packet/af_packet.c:3171)
[ 16.940596][ C2] packet_snd (net/packet/af_packet.c:3082)
[ 16.940599][ C2] ? tpacket_snd (net/packet/af_packet.c:2685)
[ 16.940600][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 16.940604][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 16.940605][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 16.940606][ C2] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 16.940608][ C2] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 16.940611][ C2] ? sock_ioctl (net/socket.c:1434)
[ 16.940614][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:619 arch/x86/mm/fault.c:1413)
[ 16.940617][ C2] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 16.940619][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 16.940622][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 16.940624][ C2] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[ 16.940625][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 16.940626][ C2] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 16.940628][ C2] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 16.940630][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 16.940631][ C2] RIP: 0033:0x7f06f534008e
[ 16.940634][ 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
[ 16.940636][ C2] RSP: 002b:00007ffd43583630 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 16.940638][ C2] RAX: ffffffffffffffda RBX: 000056301a1f6b22 RCX: 00007f06f534008e
[ 16.940639][ C2] RDX: 0000000000000062 RSI: 000056301a1f6b22 RDI: 0000000000000005
[ 16.940640][ C2] RBP: 00007ffd43583640 R08: 00007ffd43583690 R09: 0000000000000014
[ 16.940641][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 000056301a1f6830
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_read_lock_bh