======================================
| [ 38.265874][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 38.266084][ C1]
| [ 38.266168][ C1]
| [ 38.266168][ C1] stack backtrace:
[ 38.266734][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 38.267217][ C1] Call Trace:
[ 38.267343][ C1]
[ 38.267429][ C1] dump_stack_lvl (lib/dump_stack.c:117)
[ 38.267599][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.267807][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.268134][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 38.268301][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 38.268472][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 38.268641][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 38.268808][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 38.268975][ C1] ? stack_trace_save (kernel/stacktrace.c:123)
[ 38.269145][ C1] ? save_trace (kernel/locking/lockdep.c:586)
[ 38.269311][ C1] mark_lock (kernel/locking/lockdep.c:4678)
[ 38.269663][ C1] mark_usage (kernel/locking/lockdep.c:4567)
[ 38.269793][ C1] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 38.269961][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.270127][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.270297][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 38.270574][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 38.270739][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.270903][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.271078][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.271356][ C1] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252)
[ 38.271532][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.271697][ C1] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.271863][ C1] ndisc_send_ns (net/ipv6/ndisc.c:658)
[ 38.272144][ C1] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 38.272310][ C1] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:2009)
[ 38.272518][ C1] ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.272684][ C1] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.272964][ C1] ? neigh_probe (net/core/neighbour.c:1074)
[ 38.273136][ C1] neigh_probe (net/core/neighbour.c:1075)
[ 38.273261][ C1] __neigh_event_send (net/core/neighbour.c:1242)
[ 38.273429][ C1] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.273594][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.273760][ C1] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.273928][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.274095][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.274261][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.274503][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.274674][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/ip6_route.h:336)
[ 38.274880][ C1] ip6_forward (./include/net/dst.h:450 net/ipv6/ip6_output.c:472 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_output.c:660)
[ 38.275045][ C1] ? ip6_route_input (./include/linux/skbuff.h:1163 net/ipv6/route.c:2594)
[ 38.275323][ C1] ? __pfx_ip6_forward (net/ipv6/ip6_output.c:494)
[ 38.275491][ C1] ? ip6_rcv_core (./include/linux/skbuff.h:3202 net/ipv6/ip6_input.c:291)
[ 38.275658][ C1] ? ipv6_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310)
[ 38.275783][ C1] ipv6_rcv (./include/net/dst.h:460 ./include/net/dst.h:458 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:310)
[ 38.275908][ C1] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.276192][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.276359][ C1] ? netif_receive_skb_internal (./include/linux/rcupdate.h:329 (discriminator 16) ./include/linux/rcupdate.h:781 (discriminator 16) net/core/dev.c:5791 (discriminator 16))
[ 38.276567][ C1] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.276733][ C1] __netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.277055][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.277262][ C1] ? netif_receive_skb_internal (./include/linux/rcupdate.h:329 (discriminator 16) ./include/linux/rcupdate.h:781 (discriminator 16) net/core/dev.c:5791 (discriminator 16))
[ 38.277471][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.277639][ C1] ? netif_receive_skb_internal (./include/linux/rcupdate.h:329 (discriminator 16) ./include/linux/rcupdate.h:781 (discriminator 16) net/core/dev.c:5791 (discriminator 16))
[ 38.277850][ C1] netif_receive_skb_internal (net/core/dev.c:5804)
[ 38.278016][ C1] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5783)
[ 38.278223][ C1] ? br_handle_vlan (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 net/bridge/br_private.h:754 net/bridge/br_vlan.c:505) bridge
[ 38.278541][ C1] netif_receive_skb (net/core/dev.c:5864)
[ 38.278711][ C1] br_handle_frame_finish (net/bridge/br_input.c:216) bridge
[ 38.278964][ C1] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 38.279206][ C1] ? ip6_input_finish (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/ipv6/ip6_input.c:484)
[ 38.279489][ C1] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5))
[ 38.279702][ C1] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 38.279903][ C1] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 38.280144][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5498)
[ 38.280462][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 38.280591][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.280758][ C1] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5391)
[ 38.280978][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.281263][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.281429][ C1] __netif_receive_skb_one_core (net/core/dev.c:5603)
[ 38.281638][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.281846][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.282126][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.282292][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.282461][ C1] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048)
[ 38.282631][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.282908][ C1] __napi_poll.constprop.0 (net/core/dev.c:6701)
[ 38.283076][ C1] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886)
[ 38.283245][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850)
[ 38.283411][ C1] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263)
[ 38.283688][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 38.283855][ C1] __do_softirq (kernel/softirq.c:554)
[ 38.284022][ C1] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1245)
[ 38.284190][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442)
[ 38.284320][ C1]
[ 38.284518][ C1]
[ 38.284602][ C1] __local_bh_enable_ip (kernel/softirq.c:382)
[ 38.284768][ C1] __neigh_event_send (net/core/neighbour.c:1246)
[ 38.284936][ C1] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.285102][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.285380][ C1] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.285550][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.285716][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.285889][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.286127][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.286294][ C1] ? vrf_l3_out (drivers/net/vrf.c:1035) vrf
[ 38.286468][ C1] ? ip6_local_out (net/ipv6/output_core.c:154)
[ 38.286636][ C1] ip6_send_skb (net/ipv6/ip6_output.c:1956)
[ 38.286802][ C1] rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.287083][ C1] ? __pfx_raw6_getfrag (net/ipv6/raw.c:711)
[ 38.287249][ C1] ? ip6_append_data (net/ipv6/ip6_output.c:1835)
[ 38.287415][ C1] ? __pfx_rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.287628][ C1] rawv6_sendmsg (net/ipv6/raw.c:926)
[ 38.287795][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 38.287963][ C1] ? __pfx_rawv6_sendmsg (net/ipv6/raw.c:741)
[ 38.288128][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.288295][ C1] ? 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)
[ 38.288577][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.288745][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.288916][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.289085][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.289365][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.289532][ C1] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.289698][ C1] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.289864][ C1] ? __pfx___sys_sendto (net/socket.c:2161)
[ 38.290142][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.290310][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.290477][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.290643][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.290813][ C1] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
[ 38.291108][ C1] ? __rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.291315][ C1] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.291522][ C1] __x64_sys_sendto (net/socket.c:2199)
[ 38.291690][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 38.291898][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 38.292065][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 38.292273][ C1] RIP: 0033:0x7f131217785a
[ 38.292565][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
0: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4)
4: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
b: eb b8 jmp 0xffffffffffffffc5
d: 0f 1f 00 nopl (%rax)
10: f3 0f 1e fa endbr64
14: 41 89 ca mov %ecx,%r10d
17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
1e: 00
1f: 85 c0 test %eax,%eax
21: 75 15 jne 0x38
23: b8 2c 00 00 00 mov $0x2c,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 7e ja 0xb0
32: c3 ret
33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
38: 41 54 push %r12
3a: 48 83 ec 30 sub $0x30,%rsp
3e: 44 rex.R
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 7e ja 0x86
8: c3 ret
9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
e: 41 54 push %r12
10: 48 83 ec 30 sub $0x30,%rsp
14: 44 rex.R
15: 89 .byte 0x89
[ 38.293155][ C1] RSP: 002b:00007ffced57ae88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 38.293524][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f131217785a
[ 38.293775][ C1] RDX: 0000000000000040 RSI: 0000000030e35340 RDI: 0000000000000005
[ 38.294027][ C1] RBP: 00007ffced57af10 R08: 0000000000418574 R09: 000000000000001c
[ 38.294388][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage