======================================
| [ 36.588996][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
| [ 36.589198][ C3]
| [ 36.589279][ C3]
| [ 36.589279][ C3] stack backtrace:
[ 36.589845][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 36.590209][ C3] Call Trace:
[ 36.590443][ C3]
[ 36.590527][ C3] dump_stack_lvl (lib/dump_stack.c:117)
[ 36.590694][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 36.590898][ C3] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024)
[ 36.591236][ C3] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264)
[ 36.591403][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 36.591566][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 36.591731][ C3] mark_lock_irq (kernel/locking/lockdep.c:4244)
[ 36.591896][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207)
[ 36.592166][ C3] ? stack_trace_save (kernel/stacktrace.c:123)
[ 36.592333][ C3] ? save_trace (kernel/locking/lockdep.c:586)
[ 36.592499][ C3] mark_lock (kernel/locking/lockdep.c:4678)
[ 36.592623][ C3] mark_usage (kernel/locking/lockdep.c:4567)
[ 36.592857][ C3] __lock_acquire (kernel/locking/lockdep.c:5091)
[ 36.593023][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 36.593193][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 36.593356][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 36.593515][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 36.593675][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 36.593851][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 36.594013][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 36.594176][ C3] _raw_read_lock_bh (./include/linux/rwlock_api_smp.h:177 kernel/locking/spinlock.c:252)
[ 36.594449][ C3] ? ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 36.594611][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1911 net/ipv6/addrconf.c:1934)
[ 36.594776][ C3] ndisc_send_ns (net/ipv6/ndisc.c:658)
[ 36.594939][ C3] ? __pfx_ndisc_send_ns (net/ipv6/ndisc.c:653)
[ 36.595233][ C3] ? __ipv6_chk_addr_and_flags (net/ipv6/addrconf.c:2009)
[ 36.595437][ C3] ndisc_solicit (net/ipv6/ndisc.c:736)
[ 36.595600][ C3] ? __pfx_ndisc_solicit (net/ipv6/ndisc.c:736)
[ 36.595764][ C3] ? neigh_probe (net/core/neighbour.c:1074)
[ 36.596041][ C3] neigh_probe (net/core/neighbour.c:1075)
[ 36.596165][ C3] __neigh_event_send (net/core/neighbour.c:1242)
[ 36.596330][ C3] neigh_resolve_output (net/core/neighbour.c:1547)
[ 36.596501][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 36.596659][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 36.596926][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 36.597087][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 36.597246][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 36.597366][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 36.597529][ C3] ? ip6_dst_mtu_maybe_forward.constprop.0 (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/net/ip6_route.h:336)
[ 36.597729][ 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)
[ 36.597920][ C3] ? ip6_route_input (./include/linux/skbuff.h:1163 net/ipv6/route.c:2594)
[ 36.598085][ C3] ? __pfx_ip6_forward (net/ipv6/ip6_output.c:494)
[ 36.598358][ C3] ? ip6_rcv_core (./include/linux/skbuff.h:3202 net/ipv6/ip6_input.c:291)
[ 36.598522][ 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)
[ 36.598644][ 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)
[ 36.598768][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 36.598933][ C3] ? perf_trace_iomap_dio_complete (./include/linux/fs.h:390 (discriminator 11) ./fs/iomap/./trace.h:274 (discriminator 11))
[ 36.599273][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 36.599438][ 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))
[ 36.599641][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:304)
[ 36.599807][ C3] __netif_receive_skb_one_core (net/core/dev.c:5597)
[ 36.600118][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 36.600320][ 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))
[ 36.600524][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 36.600796][ 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))
[ 36.600999][ C3] netif_receive_skb_internal (net/core/dev.c:5804)
[ 36.601162][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5783)
[ 36.601365][ C3] ? fdb_find_rcu (./include/linux/rhashtable.h:648 (discriminator 3) net/bridge/br_fdb.c:223 (discriminator 3))
[ 36.601637][ C3] netif_receive_skb (net/core/dev.c:5864)
[ 36.601802][ C3] br_handle_frame_finish (net/bridge/br_input.c:216)
[ 36.601967][ C3] ? __pfx_br_handle_frame_finish (net/bridge/br_input.c:75)
[ 36.602172][ C3] ? ip6_input_finish (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/ipv6/ip6_input.c:484)
[ 36.602547][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:438 (discriminator 5))
[ 36.602752][ C3] br_handle_frame (net/bridge/br_input.c:417)
[ 36.602914][ C3] ? __pfx_br_handle_frame (net/bridge/br_input.c:321)
[ 36.603079][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:5498)
[ 36.603416][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 36.603540][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 36.603703][ C3] ? __pfx___netif_receive_skb_core.constprop.0 (net/core/dev.c:5391)
[ 36.603911][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 36.604180][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 36.604346][ C3] __netif_receive_skb_one_core (net/core/dev.c:5603)
[ 36.604554][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597)
[ 36.604751][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 36.605017][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 36.605176][ C3] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046)
[ 36.605336][ C3] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048)
[ 36.605502][ C3] __napi_poll.constprop.0 (net/core/dev.c:6701)
[ 36.605664][ C3] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886)
[ 36.605843][ C3] ? __pfx_net_rx_action (net/core/dev.c:6850)
[ 36.606007][ C3] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263)
[ 36.606171][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 36.606442][ C3] __do_softirq (kernel/softirq.c:554)
[ 36.606609][ C3] ? __neigh_event_send (./include/linux/bottom_half.h:33 net/core/neighbour.c:1245)
[ 36.606771][ C3] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442)
[ 36.606897][ C3]
[ 36.606981][ C3]
[ 36.607074][ C3] __local_bh_enable_ip (kernel/softirq.c:382)
[ 36.607359][ C3] __neigh_event_send (net/core/neighbour.c:1246)
[ 36.607524][ C3] neigh_resolve_output (net/core/neighbour.c:1547)
[ 36.607688][ C3] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387)
[ 36.607850][ C3] ? ___neigh_create (net/core/neighbour.c:722 (discriminator 9))
[ 36.608124][ C3] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137)
[ 36.608287][ C3] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
[ 36.608452][ C3] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243)
[ 36.608575][ C3] ? __pfx___ip6_make_skb (net/ipv6/ip6_output.c:1873)
[ 36.608846][ C3] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230)
[ 36.609013][ C3] ? ip6_local_out (net/ipv6/output_core.c:154)
[ 36.609185][ C3] ip6_send_skb (net/ipv6/ip6_output.c:1956)
[ 36.609343][ C3] rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 36.609502][ C3] ? __pfx_raw6_getfrag (net/ipv6/raw.c:711)
[ 36.609661][ C3] ? ip6_append_data (net/ipv6/ip6_output.c:1835)
[ 36.609847][ C3] ? __pfx_rawv6_push_pending_frames (net/ipv6/raw.c:512)
[ 36.610058][ C3] rawv6_sendmsg (net/ipv6/raw.c:926)
[ 36.610220][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 36.610491][ C3] ? __pfx_rawv6_sendmsg (net/ipv6/raw.c:741)
[ 36.610653][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137)
[ 36.610816][ 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)
[ 36.610980][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 36.611253][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 36.611421][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 36.611587][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 36.611750][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 36.612021][ C3] ? __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 36.612184][ C3] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191)
[ 36.612350][ C3] ? __pfx___sys_sendto (net/socket.c:2161)
[ 36.612515][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 36.612787][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 36.612950][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 36.613122][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 36.613301][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
[ 36.613471][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316)
[ 36.613678][ C3] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316)
[ 36.613883][ C3] __x64_sys_sendto (net/socket.c:2199)
[ 36.614046][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 36.614356][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 36.614520][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 36.614723][ C3] RIP: 0033:0x7f4d126a885a
[ 36.614894][ 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
[ 36.615692][ C3] RSP: 002b:00007ffc724f22b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 36.616052][ C3] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f4d126a885a
[ 36.616297][ C3] RDX: 0000000000000040 RSI: 000000002c3a6340 RDI: 0000000000000005
[ 36.616543][ C3] RBP: 00007ffc724f2340 R08: 0000000000418574 R09: 000000000000001c
[ 36.616897][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000419ac0
Finger prints:
dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage