======================================
| [ 716.791457][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
| [ 716.791582][ C2]
| [ 716.791632][ C2]
| [ 716.791632][ C2] stack backtrace:
[ 716.791815][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 716.791817][ C2] Call Trace:
[ 716.791819][ C2]
[ 716.791820][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 716.791823][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125)
[ 716.791826][ C2] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294)
[ 716.791829][ C2] mark_lock (kernel/locking/lockdep.c:4753)
[ 716.791831][ C2] mark_usage (kernel/locking/lockdep.c:4642)
[ 716.791832][ C2] __lock_acquire (kernel/locking/lockdep.c:5191)
[ 716.791834][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 716.791835][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 716.791837][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 716.791839][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 716.791842][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 716.791844][ C2] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:192 (discriminator 3) kernel/locking/spinlock.c:256 (discriminator 3))
[ 716.791846][ C2] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 716.791848][ C2] ipv6_get_lladdr (net/ipv6/addrconf.c:1941)
[ 716.791850][ C2] ndisc_send_ns (net/ipv6/ndisc.c:662)
[ 716.791851][ 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))
[ 716.791853][ C2] ? ndisc_parse_options (net/ipv6/ndisc.c:285)
[ 716.791855][ C2] ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:871 net/ipv6/addrconf.c:2015)
[ 716.791857][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4325)
[ 716.791859][ C2] ndisc_solicit (net/ipv6/ndisc.c:762)
[ 716.791860][ C2] ? ndisc_send_ns (net/ipv6/ndisc.c:672)
[ 716.791862][ C2] ? neigh_probe (net/core/neighbour.c:1094)
[ 716.791864][ C2] neigh_probe (net/core/neighbour.c:1096)
[ 716.791866][ C2] __neigh_event_send (net/core/neighbour.c:1276)
[ 716.791867][ C2] ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:8)
[ 716.791870][ C2] neigh_resolve_output (./include/net/neighbour.h:480 ./include/net/neighbour.h:486 ./include/net/neighbour.h:484 net/core/neighbour.c:1603)
[ 716.791872][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[ 716.791874][ C2] ? ip6_xmit (net/ipv6/ip6_output.c:328)
[ 716.791876][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 716.791878][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791879][ 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))
[ 716.791882][ C2] ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[ 716.791884][ C2] ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[ 716.791886][ C2] ? ip6_finish_output (./include/linux/skbuff.h:1167)
[ 716.791887][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 716.791889][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 716.791890][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791892][ C2] ip6_forward (./include/net/dst.h:470 (discriminator 4) net/ipv6/ip6_output.c:498 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_output.c:690 (discriminator 4))
[ 716.791894][ C2] ? ip6_route_input (./include/linux/skbuff.h:1237 (discriminator 1) net/ipv6/route.c:2662 (discriminator 1))
[ 716.791897][ C2] ? ip6_autoflowlabel (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 716.791899][ C2] ? ip6_rcv_core (./include/linux/skbuff.h:3394 net/ipv6/ip6_input.c:332)
[ 716.791902][ C2] ? ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4))
[ 716.791903][ C2] ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:318 (discriminator 4) ./include/linux/netfilter.h:312 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4))
[ 716.791905][ C2] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96))
[ 716.791906][ C2] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[ 716.791908][ C2] ? kasan_save_track (mm/kasan/common.c:78)
[ 716.791911][ C2] ? kasan_save_free_info (mm/kasan/generic.c:584)
[ 716.791913][ C2] ? __kasan_slab_free (mm/kasan/common.c:253 mm/kasan/common.c:285)
[ 716.791914][ C2] ? mark_usage (kernel/locking/lockdep.c:4674)
[ 716.791916][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 716.791917][ C2] ? rescuer_thread (kernel/workqueue.c:952 (discriminator 1) kernel/workqueue.c:970 (discriminator 1) kernel/workqueue.c:3508 (discriminator 1) kernel/workqueue.c:3620 (discriminator 1))
[ 716.791919][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6665 (discriminator 2))
[ 716.791921][ C2] __netif_receive_skb_one_core (net/core/dev.c:6203)
[ 716.791923][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 716.791924][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6249 (discriminator 2))
[ 716.791926][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 716.791928][ C2] process_backlog (net/core/dev.c:6667)
[ 716.791931][ C2] __napi_poll (net/core/dev.c:7726)
[ 716.791933][ C2] net_rx_action (net/core/dev.c:7789 net/core/dev.c:7946)
[ 716.791936][ C2] ? __napi_poll (./include/net/gro.h:507)
[ 716.791937][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791939][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791940][ C2] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 716.791942][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 716.791945][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4411 (discriminator 2))
[ 716.791946][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 716.791947][ C2] ? raise_softirq (kernel/softirq.c:796 (discriminator 6))
[ 716.791949][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4325)
[ 716.791951][ C2] handle_softirqs (kernel/softirq.c:622)
[ 716.791952][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 716.791954][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1))
[ 716.791956][ C2] do_softirq (kernel/softirq.c:523 (discriminator 19) kernel/softirq.c:510 (discriminator 19))
[ 716.791957][ C2]
[ 716.791958][ C2]
[ 716.791959][ C2] __local_bh_enable_ip (kernel/softirq.c:450)
[ 716.791960][ C2] __neigh_event_send (./include/linux/bottom_half.h:33 (discriminator 2) net/core/neighbour.c:1279 (discriminator 2))
[ 716.791962][ C2] ? warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:8)
[ 716.791964][ C2] neigh_resolve_output (./include/net/neighbour.h:480 ./include/net/neighbour.h:486 ./include/net/neighbour.h:484 net/core/neighbour.c:1603)
[ 716.791966][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:136 (discriminator 3))
[ 716.791969][ C2] ? ip6_xmit (net/ipv6/ip6_output.c:328)
[ 716.791970][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 716.791972][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791973][ 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))
[ 716.791975][ C2] ip6_finish_output (net/ipv6/ip6_output.c:208 net/ipv6/ip6_output.c:219)
[ 716.791977][ C2] ip6_output (./include/linux/netfilter.h:307 net/ipv6/ip6_output.c:246)
[ 716.791979][ C2] ? ip6_finish_output (./include/linux/skbuff.h:1167)
[ 716.791981][ C2] ? l3mdev_l3_out.constprop.0 (./include/linux/rcupdate.h:871 ./include/net/l3mdev.h:222)
[ 716.791984][ C2] ip6_send_skb (net/ipv6/ip6_output.c:2018)
[ 716.791986][ C2] rawv6_push_pending_frames (net/ipv6/raw.c:590)
[ 716.791988][ C2] ? ip6_flush_pending_frames (net/ipv6/ip6_output.c:2061 (discriminator 1))
[ 716.791990][ C2] ? rawv6_setsockopt (net/ipv6/raw.c:1018)
[ 716.791991][ C2] ? raw6_destroy (net/ipv6/raw.c:1173)
[ 716.791993][ C2] rawv6_sendmsg (net/ipv6/raw.c:920)
[ 716.791995][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[ 716.791997][ C2] ? rawv6_send_hdrinc (./include/net/sock.h:2922)
[ 716.792001][ C2] ? free_swap_cache (./include/linux/page-flags.h:345 ./include/linux/page-flags.h:572 ./include/linux/page-flags.h:627 mm/swap_state.c:363)
[ 716.792004][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[ 716.792006][ C2] ? __might_fault (mm/memory.c:7340 (discriminator 5))
[ 716.792010][ C2] ? __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 716.792011][ C2] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 716.792013][ C2] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 716.792015][ C2] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 716.792020][ C2] ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[ 716.792022][ C2] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 716.792023][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 716.792027][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 716.792028][ C2] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[ 716.792030][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 716.792031][ C2] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 716.792033][ C2] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 716.792034][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 716.792036][ C2] RIP: 0033:0x7f111484408e
[ 716.792039][ 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
[ 716.792041][ C2] RSP: 002b:00007ffe4469f6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 716.792044][ C2] RAX: ffffffffffffffda RBX: 000055de3865a0a0 RCX: 00007f111484408e
[ 716.792045][ C2] RDX: 0000000000000040 RSI: 000055de3865a0a4 RDI: 0000000000000006
[ 716.792046][ C2] RBP: 00007ffe4469f6f0 R08: 000055de3866c2b4 R09: 000000000000001c
[ 716.792047][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 000055de3865a0a4
Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_read_lock_bh