======================================
| [ 38.573220][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 38.573540][ C3]
| [ 38.573625][ C3]
| [ 38.573625][ C3] stack backtrace:
[ 38.574208][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 38.574583][ C3] Call Trace:
[ 38.574710][ C3]
[ 38.574798][ C3] dump_stack_lvl (lib/dump_stack.c:117)
[ 38.575086][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.575300][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.575509][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 38.575676][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 38.575955][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 38.576134][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 38.576303][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 38.576470][ C3] ? stack_trace_save (kernel/stacktrace.c:123)
[ 38.576864][ C3] ? save_trace (kernel/locking/lockdep.c:586)
[ 38.577033][ C3] mark_lock (kernel/locking/lockdep.c:4678)
[ 38.577167][ C3] mark_usage (kernel/locking/lockdep.c:4567)
[ 38.577294][ C3] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 38.577469][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.577750][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.577918][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 38.578087][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 38.578255][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.578538][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.578711][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.578889][ C3] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252)
[ 38.579057][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.579231][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.579400][ C3] ndisc_send_ns (net/ipv6/ndisc.c:658)
[ 38.579570][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 38.579738][ C3] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:2009)
[ 38.580064][ C3] ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.580233][ C3] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.580405][ C3] ? neigh_probe (net/core/neighbour.c:1074)
[ 38.580577][ C3] neigh_probe (net/core/neighbour.c:1075)
[ 38.580705][ C3] __neigh_event_send (net/core/neighbour.c:1242)
[ 38.580986][ C3] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.581153][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.581325][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.581500][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.581780][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.581960][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.582087][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.582258][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/ip6_route.h:336)
[ 38.582579][ C3] 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)
[ 38.582747][ C3] ? ip6_route_input (./include/linux/skbuff.h:1163 net/ipv6/route.c:2594)
[ 38.582917][ C3] ? __pfx_ip6_forward (net/ipv6/ip6_output.c:494)
[ 38.583087][ C3] ? ip6_rcv_core (./include/linux/skbuff.h:3202 net/ipv6/ip6_input.c:291)
[ 38.583254][ C3] ? 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)
[ 38.583492][ C3] 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)
[ 38.583627][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.583794][ C3] ? neigh_destroy (./include/linux/skbuff.h:2103 ./include/linux/skbuff.h:2409 ./include/linux/skbuff.h:3250 ./include/linux/skbuff.h:3256 net/core/neighbour.c:905)
[ 38.583961][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.584128][ C3] ? 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))
[ 38.584340][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.584508][ C3] __netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.584717][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.585041][ C3] ? 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))
[ 38.585254][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.585422][ C3] ? 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))
[ 38.585633][ C3] netif_receive_skb_internal (net/core/dev.c:5804)
[ 38.585915][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5783)
[ 38.586132][ C3] ? 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
[ 38.586346][ C3] netif_receive_skb (net/core/dev.c:5864)
[ 38.586514][ C3] br_handle_frame_finish (net/bridge/br_input.c:216) bridge
[ 38.586875][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 38.587120][ C3] ? ip6_input_finish (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/ipv6/ip6_input.c:484)
[ 38.587288][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5))
[ 38.587611][ C3] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 38.587815][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 38.588060][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5498)
[ 38.588268][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 38.588516][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.588684][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5391)
[ 38.588893][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.589062][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.589231][ C3] __netif_receive_skb_one_core (net/core/dev.c:5603)
[ 38.589439][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.589647][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.589813][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.590212][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.590382][ C3] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048)
[ 38.590549][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.590720][ C3] __napi_poll.constprop.0 (net/core/dev.c:6701)
[ 38.590999][ C3] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886)
[ 38.591169][ C3] ? __pfx_net_rx_action (net/core/dev.c:6850)
[ 38.591338][ C3] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263)
[ 38.591513][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 38.591793][ C3] __do_softirq (kernel/softirq.c:554)
[ 38.591967][ C3] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1245)
[ 38.592135][ C3] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442)
[ 38.592262][ C3]
[ 38.592350][ C3]
[ 38.592434][ C3] __local_bh_enable_ip (kernel/softirq.c:382)
[ 38.592712][ C3] __neigh_event_send (net/core/neighbour.c:1246)
[ 38.592881][ C3] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.593051][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.593222][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.593510][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.593679][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.593846][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.593972][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.594140][ C3] ? vrf_l3_out (drivers/net/vrf.c:1035) vrf
[ 38.594321][ C3] ? ip6_local_out (net/ipv6/output_core.c:154)
[ 38.594496][ C3] ip6_send_skb (net/ipv6/ip6_output.c:1956)
[ 38.594665][ C3] rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.594839][ C3] ? __pfx_raw6_getfrag (net/ipv6/raw.c:711)
[ 38.595118][ C3] ? ip6_append_data (net/ipv6/ip6_output.c:1835)
[ 38.595286][ C3] ? __pfx_rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.595505][ C3] rawv6_sendmsg (net/ipv6/raw.c:926)
[ 38.595680][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 38.595960][ C3] ? __pfx_rawv6_sendmsg (net/ipv6/raw.c:741)
[ 38.596143][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.596314][ C3] ? 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)
[ 38.596484][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.596766][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.596938][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.597105][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.597275][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.597555][ C3] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.597725][ C3] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.597894][ C3] ? __pfx___sys_sendto (net/socket.c:2161)
[ 38.598061][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.598240][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.598524][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.598693][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.598872][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
[ 38.599041][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.599251][ C3] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.599463][ C3] __x64_sys_sendto (net/socket.c:2199)
[ 38.599639][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 38.599964][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 38.600140][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 38.600349][ C3] RIP: 0033:0x7f3b25b6885a
[ 38.600529][ C3] 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
[ 38.601252][ C3] RSP: 002b:00007ffe521c3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 38.601514][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f3b25b6885a
[ 38.601886][ C3] RDX: 0000000000000040 RSI: 00000000273d2340 RDI: 0000000000000005
[ 38.602138][ C3] RBP: 00007ffe521c31f0 R08: 0000000000418574 R09: 000000000000001c
[ 38.602506][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage