====================================== | [ 47.886098][ T632] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 47.886210][ T632] | [ 47.886299][ T632] | [ 47.886299][ T632] stack backtrace: [ 47.886413][ T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.886415][ T632] Call Trace: [ 47.886417][ T632] [ 47.886418][ T632] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.886422][ T632] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 47.886426][ T632] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 47.886428][ T632] mark_lock (kernel/locking/lockdep.c:4753) [ 47.886430][ T632] mark_usage (kernel/locking/lockdep.c:4666) [ 47.886432][ T632] __lock_acquire (kernel/locking/lockdep.c:5191) [ 47.886434][ T632] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 47.886435][ T632] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 47.886437][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 47.886440][ T632] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 47.886442][ T632] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 47.886444][ T632] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 47.886445][ T632] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 47.886447][ T632] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 47.886449][ T632] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 47.886451][ T632] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 47.886452][ T632] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 47.886455][ T632] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 47.886457][ T632] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 47.886459][ T632] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 47.886461][ T632] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 47.886464][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 47.886465][ T632] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.886467][ T632] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 47.886468][ T632] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 47.886470][ T632] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 47.886473][ T632] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 47.886475][ T632] ? rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4519 (discriminator 1)) [ 47.886478][ T632] addrconf_notify (net/ipv6/addrconf.c:3794) [ 47.886479][ T632] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 47.886483][ T632] notifier_call_chain (kernel/notifier.c:85) [ 47.886486][ T632] netif_set_mtu_ext (net/core/dev.c:2324 net/core/dev.c:9888) [ 47.886488][ T632] ? dev_validate_mtu (net/core/dev.c:9841 (discriminator 2)) [ 47.886489][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 47.886491][ T632] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 47.886492][ T632] ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749) [ 47.886496][ T632] do_setlink.isra.0 (net/core/rtnetlink.c:3170 (discriminator 1)) [ 47.886498][ T632] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 47.886500][ T632] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 47.886502][ T632] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.886504][ T632] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 47.886505][ T632] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 47.886507][ T632] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 47.886510][ T632] ? __kernel_text_address (kernel/extable.c:79) [ 47.886512][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 47.886514][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 47.886515][ T632] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 47.886517][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 47.886518][ T632] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 47.886519][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 47.886521][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 47.886522][ T632] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 47.886525][ T632] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820) [ 47.886526][ T632] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 47.886528][ T632] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 47.886530][ T632] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 47.886531][ T632] ? nla_get_range_signed (lib/nlattr.c:270) [ 47.886534][ T632] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 47.886536][ T632] rtnl_newlink (net/core/rtnetlink.c:4151) [ 47.886538][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 47.886539][ T632] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 47.886541][ T632] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 47.886543][ T632] ? mark_usage (kernel/locking/lockdep.c:4674) [ 47.886544][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 47.886546][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 47.886547][ T632] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 47.886549][ T632] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 47.886551][ T632] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 47.886552][ T632] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 47.886554][ T632] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 47.886555][ T632] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 47.886557][ T632] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.886558][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 47.886560][ T632] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 47.886561][ T632] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 47.886564][ T632] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 47.886565][ T632] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.886567][ T632] ? netlink_ack (./include/linux/skbuff.h:2720) [ 47.886569][ T632] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 47.886571][ T632] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 47.886573][ T632] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 47.886575][ T632] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.886577][ T632] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 47.886579][ T632] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 47.886581][ T632] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 47.886583][ T632] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 47.886586][ T632] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 47.886588][ T632] ? copy_msghdr_from_user (net/socket.c:2635) [ 47.886590][ T632] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 47.886591][ T632] ? move_addr_to_kernel (net/socket.c:258) [ 47.886594][ T632] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 47.886595][ T632] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 47.886597][ T632] ___sys_sendmsg (net/socket.c:2752) [ 47.886599][ T632] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 47.886601][ T632] ? copy_msghdr_from_user (net/socket.c:2603) [ 47.886606][ T632] __sys_sendmsg (net/socket.c:2784) [ 47.886608][ T632] ? __sys_sendmsg_sock (net/socket.c:2765) [ 47.886609][ T632] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 47.886611][ T632] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 47.886613][ T632] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 47.886615][ T632] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 47.886616][ T632] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 47.886619][ T632] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 47.886621][ T632] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 47.886622][ T632] RIP: 0033:0x7f101853108e [ 47.886625][ T632] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 94 bd 00 00 call 0xbd9c 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 47.886627][ T632] RSP: 002b:00007ffe30381590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.886630][ T632] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f101853108e [ 47.886631][ T632] RDX: 0000000000000000 RSI: 00007ffe30381640 RDI: 0000000000000005 [ 47.886632][ T632] RBP: 00007ffe303815a0 R08: 0000000000000000 R09: 0000000000000000 [ 47.886633][ T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1931b3 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock