====================================== | [ 39.941771][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 39.942060][ C1] | [ 39.942142][ C1] | [ 39.942142][ C1] stack backtrace: [ 39.942577][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.943017][ C1] Call Trace: [ 39.943138][ C1] [ 39.943218][ C1] dump_stack_lvl (lib/dump_stack.c:117) [ 39.943380][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 39.943669][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 39.943828][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 39.944025][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 39.944183][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 39.944430][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.944593][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 39.944752][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 39.944911][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.945247][ C1] ? save_trace (kernel/locking/lockdep.c:586) [ 39.945402][ C1] mark_lock (kernel/locking/lockdep.c:4678) [ 39.945520][ C1] ? __lock_unpin_lock (kernel/locking/lockdep.c:5565) [ 39.945674][ C1] mark_usage (kernel/locking/lockdep.c:4567) [ 39.945812][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) [ 39.946056][ C1] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) [ 39.946211][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 39.946365][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) [ 39.946521][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 39.946763][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 39.946917][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) [ 39.947073][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.947226][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) [ 39.947468][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 39.947621][ C1] ? ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) [ 39.947775][ C1] ipv4_sk_update_pmtu (./include/net/ip.h:443 net/ipv4/route.c:1120) [ 39.947934][ C1] ? vxlan_err_lookup (drivers/net/vxlan/vxlan_core.c:1821) vxlan [ 39.948105][ C1] ? __pfx_ipv4_sk_update_pmtu (net/ipv4/route.c:1110) [ 39.948345][ C1] ? __udp4_lib_err_encap (net/ipv4/udp.c:673 (discriminator 1)) [ 39.948503][ C1] __udp4_lib_err (net/ipv4/udp.c:751) [ 39.948660][ C1] icmp_unreach (net/ipv4/icmp.c:957) [ 39.948817][ C1] icmp_rcv (net/ipv4/icmp.c:1274) [ 39.949021][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) [ 39.949182][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:810 net/ipv4/ip_input.c:234) [ 39.949341][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 39.949499][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 39.949745][ C1] ? ip_rcv_finish_core.constprop.0 (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2574 net/ipv4/ip_input.c:372) [ 39.949948][ C1] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) [ 39.950067][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 39.950226][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 39.950384][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) [ 39.950627][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 39.950788][ C1] __netif_receive_skb_one_core (net/core/dev.c:5604 (discriminator 4)) [ 39.950986][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5597) [ 39.951270][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) [ 39.951427][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.951584][ C1] ? process_backlog (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/core/dev.c:6046) [ 39.951744][ C1] process_backlog (./include/linux/rcupdate.h:810 net/core/dev.c:6048) [ 39.951903][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 39.952148][ C1] __napi_poll.constprop.0 (net/core/dev.c:6701) [ 39.952311][ C1] net_rx_action (net/core/dev.c:6770 net/core/dev.c:6886) [ 39.952470][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850) [ 39.952627][ C1] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:848 (discriminator 4)) [ 39.952834][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) [ 39.952991][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1831) [ 39.953147][ C1] __do_softirq (kernel/softirq.c:554) [ 39.953306][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) [ 39.953550][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442) [ 39.953673][ C1] [ 39.953758][ C1] [ 39.953837][ C1] __local_bh_enable_ip (kernel/softirq.c:382) [ 39.953990][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:849 net/core/dev.c:4399) [ 39.954148][ C1] __dev_queue_xmit (net/core/dev.c:4400) [ 39.954392][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) [ 39.954549][ C1] ? packet_parse_headers (./include/linux/skbuff.h:3028 net/packet/af_packet.c:1944) [ 39.954708][ C1] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2767) [ 39.954870][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) [ 39.955116][ C1] ? dev_get_by_index (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 net/core/dev.c:888) [ 39.955274][ C1] packet_snd (net/packet/af_packet.c:3081) [ 39.955433][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 39.955589][ C1] ? __pfx_packet_snd (net/packet/af_packet.c:2944) [ 39.955853][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 39.956011][ C1] ? trace_raw_output_mmap_lock_acquire_returned (./include/trace/events/mmap_lock.h:52 (discriminator 2)) [ 39.956246][ C1] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 39.956405][ C1] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2191) [ 39.956652][ C1] ? __pfx___sys_sendto (net/socket.c:2161) [ 39.956812][ C1] ? sock_ioctl (net/socket.c:1344) [ 39.956969][ C1] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) [ 39.957126][ C1] ? __pfx___up_read (kernel/locking/rwsem.c:1339) [ 39.957455][ C1] ? do_user_addr_fault (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/linux/mm.h:702 arch/x86/mm/fault.c:1364) [ 39.957614][ C1] __x64_sys_sendto (net/socket.c:2199) [ 39.957770][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 39.957964][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.958214][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 39.958410][ C1] RIP: 0033:0x7f9ae930b85a [ 39.958576][ 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 [ 39.959220][ C1] RSP: 002b:00007ffea67cf628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 39.959459][ C1] RAX: ffffffffffffffda RBX: 0000000017aa29d0 RCX: 00007f9ae930b85a [ 39.959784][ C1] RDX: 00000000000003c5 RSI: 0000000017aa3022 RDI: 0000000000000005 [ 39.960020][ C1] RBP: 0000000017aa3022 R08: 00007ffea67cf630 R09: 0000000000000014 [ 39.960252][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 Finger prints: dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage