======================================
| [ 38.455804][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 38.456012][ C1]
| [ 38.456102][ C1]
| [ 38.456102][ C1] stack backtrace:
[ 38.456674][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 38.457047][ C1] Call Trace:
[ 38.457402][ C1]
[ 38.457489][ C1] dump_stack_lvl (lib/dump_stack.c:117)
[ 38.457662][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.457884][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 38.458209][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 38.458376][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 38.458544][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 38.458714][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 38.458997][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 38.459164][ C1] ? stack_trace_save (kernel/stacktrace.c:123)
[ 38.459338][ C1] ? save_trace (kernel/locking/lockdep.c:586)
[ 38.459514][ C1] mark_lock (kernel/locking/lockdep.c:4678)
[ 38.459640][ C1] mark_usage (kernel/locking/lockdep.c:4567)
[ 38.459770][ C1] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 38.459940][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.460117][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.460283][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 38.460562][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 38.460731][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.460898][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.461071][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.461237][ C1] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252)
[ 38.461515][ C1] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.461681][ C1] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 38.461850][ C1] ndisc_send_ns (net/ipv6/ndisc.c:658)
[ 38.462019][ C1] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 38.462297][ C1] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:2009)
[ 38.462509][ C1] ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.462676][ C1] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736)
[ 38.462846][ C1] ? neigh_probe (net/core/neighbour.c:1074)
[ 38.463128][ C1] neigh_probe (net/core/neighbour.c:1075)
[ 38.463255][ C1] __neigh_event_send (net/core/neighbour.c:1242)
[ 38.463425][ C1] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.463591][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.463867][ C1] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.464034][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.464201][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.464371][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.464497][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.464779][ C1] ? ip6_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/ip6_route.h:336)
[ 38.464988][ 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)
[ 38.465154][ C1] ? ip6_route_input (./include/linux/skbuff.h:1163 net/ipv6/route.c:2594)
[ 38.465323][ C1] ? __pfx_ip6_forward (net/ipv6/ip6_output.c:494)
[ 38.465603][ C1] ? ip6_rcv_core (./include/linux/skbuff.h:3202 net/ipv6/ip6_input.c:291)
[ 38.465770][ 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)
[ 38.465897][ 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)
[ 38.466029][ C1] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.466199][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.466479][ 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))
[ 38.466688][ C1] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 38.466854][ C1] __netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.467173][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.467385][ 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))
[ 38.467596][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.467764][ 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))
[ 38.468088][ C1] netif_receive_skb_internal (net/core/dev.c:5804)
[ 38.468255][ C1] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5783)
[ 38.468463][ 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
[ 38.468672][ C1] netif_receive_skb (net/core/dev.c:5864)
[ 38.468839][ C1] br_handle_frame_finish (net/bridge/br_input.c:216) bridge
[ 38.469084][ C1] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75) bridge
[ 38.469331][ C1] ? ip6_input_finish (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/ipv6/ip6_input.c:484)
[ 38.469498][ C1] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5))
[ 38.469819][ C1] br_handle_frame (net/bridge/br_input.c:417) bridge
[ 38.470029][ C1] ? __pfx_br_handle_frame (net/bridge/br_input.c:321) bridge
[ 38.470277][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5498)
[ 38.470711][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 38.470840][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.471013][ C1] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5391)
[ 38.471223][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 38.471505][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.471673][ C1] __netif_receive_skb_one_core (net/core/dev.c:5603)
[ 38.471880][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 38.472088][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.472365][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.472530][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 38.472701][ C1] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048)
[ 38.472870][ C1] __napi_poll.constprop.0 (net/core/dev.c:6701)
[ 38.473149][ C1] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886)
[ 38.473318][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850)
[ 38.473491][ C1] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263)
[ 38.473659][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 38.473827][ C1] __do_softirq (kernel/softirq.c:554)
[ 38.474110][ C1] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1245)
[ 38.474283][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442)
[ 38.474411][ C1]
[ 38.474499][ C1]
[ 38.474583][ C1] __local_bh_enable_ip (kernel/softirq.c:382)
[ 38.474749][ C1] __neigh_event_send (net/core/neighbour.c:1246)
[ 38.474916][ C1] neigh_resolve_output (net/core/neighbour.c:1547)
[ 38.475081][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 38.475246][ C1] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 38.475528][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 38.475701][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 38.475868][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 38.475994][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 38.476161][ C1] ? vrf_l3_out (drivers/net/vrf.c:1035) vrf
[ 38.476452][ C1] ? ip6_local_out (net/ipv6/output_core.c:154)
[ 38.476626][ C1] ip6_send_skb (net/ipv6/ip6_output.c:1956)
[ 38.476793][ C1] rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.476960][ C1] ? __pfx_raw6_getfrag (net/ipv6/raw.c:711)
[ 38.477237][ C1] ? ip6_append_data (net/ipv6/ip6_output.c:1835)
[ 38.477411][ C1] ? __pfx_rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 38.477620][ C1] rawv6_sendmsg (net/ipv6/raw.c:926)
[ 38.477785][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 38.478064][ C1] ? __pfx_rawv6_sendmsg (net/ipv6/raw.c:741)
[ 38.478232][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 38.478408][ 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)
[ 38.478580][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.478866][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.479042][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.479211][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.479378][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.479546][ C1] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.479825][ C1] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 38.480005][ C1] ? __pfx___sys_sendto (net/socket.c:2161)
[ 38.480186][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 38.480356][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.480632][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 38.480798][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 38.480968][ C1] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
[ 38.481139][ C1] ? __rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.481459][ C1] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316)
[ 38.481675][ C1] __x64_sys_sendto (net/socket.c:2199)
[ 38.481843][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 38.482052][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 38.482329][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 38.482541][ C1] RIP: 0033:0x7fcc33f9a85a
[ 38.482721][ 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
[ 38.483427][ C1] RSP: 002b:00007ffed44d0198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 38.483679][ C1] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fcc33f9a85a
[ 38.484165][ C1] RDX: 0000000000000040 RSI: 0000000029ab4340 RDI: 0000000000000005
[ 38.484417][ C1] RBP: 00007ffed44d0220 R08: 0000000000418574 R09: 000000000000001c
[ 38.484676][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage