====================================== | [ 38.787923][ T858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 38.788105][ T858] | [ 38.788158][ T858] | [ 38.788158][ T858] stack backtrace: [ 38.788294][ T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.788297][ T858] Call Trace: [ 38.788298][ T858] [ 38.788299][ T858] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.788306][ T858] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 38.788310][ T858] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 38.788313][ T858] mark_lock (kernel/locking/lockdep.c:4753) [ 38.788315][ T858] mark_usage (kernel/locking/lockdep.c:4666) [ 38.788317][ T858] __lock_acquire (kernel/locking/lockdep.c:5191) [ 38.788319][ T858] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.788321][ T858] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 38.788323][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.788326][ T858] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 38.788328][ T858] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 38.788329][ T858] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 38.788331][ T858] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 38.788333][ T858] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 38.788335][ T858] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 38.788337][ T858] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 38.788339][ T858] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 38.788341][ T858] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 38.788343][ T858] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 38.788345][ T858] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 38.788347][ T858] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.788351][ T858] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.788354][ T858] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.788356][ T858] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 38.788359][ T858] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 38.788361][ T858] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 38.788364][ T858] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 38.788366][ T858] ? neigh_flush_one (./include/linux/skbuff.h:2198) [ 38.788369][ T858] addrconf_notify (net/ipv6/addrconf.c:3834) [ 38.788371][ T858] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 38.788375][ T858] notifier_call_chain (kernel/notifier.c:85) [ 38.788377][ T858] __netdev_upper_dev_link (net/core/dev.c:8930) [ 38.788380][ T858] ? netdev_wait_allrefs_any (net/core/dev.c:11628) [ 38.788382][ T858] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.788384][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.788386][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.788388][ T858] netdev_master_upper_dev_link (net/core/dev.c:9000) [ 38.788390][ T858] ? netdev_upper_dev_link (net/core/dev.c:8973) [ 38.788392][ T858] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.788394][ T858] vrf_add_slave (drivers/net/vrf.c:1027 drivers/net/vrf.c:1053) vrf [ 38.788396][ T858] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 38.788398][ T858] do_set_master (net/core/rtnetlink.c:3012) [ 38.788399][ T858] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.788402][ T858] do_setlink.isra.0 (net/core/rtnetlink.c:3214 (discriminator 1)) [ 38.788405][ T858] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 38.788407][ T858] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 38.788409][ T858] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.788411][ T858] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 38.788412][ T858] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.788413][ T858] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.788417][ T858] ? __kernel_text_address (kernel/extable.c:79) [ 38.788418][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.788420][ T858] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.788422][ T858] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 38.788423][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.788425][ T858] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 38.788426][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.788428][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.788429][ T858] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 38.788432][ T858] ? __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) [ 38.788433][ T858] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 38.788435][ T858] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 38.788437][ T858] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 38.788438][ T858] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.788441][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 38.788444][ T858] rtnl_newlink (net/core/rtnetlink.c:4151) [ 38.788446][ T858] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.788447][ T858] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.788449][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 38.788451][ T858] ? mark_usage (kernel/locking/lockdep.c:4674) [ 38.788452][ T858] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.788454][ T858] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.788455][ T858] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.788457][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 38.788459][ T858] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.788461][ T858] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 38.788462][ T858] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 38.788464][ T858] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 38.788465][ T858] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.788467][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.788469][ T858] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.788470][ T858] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.788472][ T858] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.788474][ T858] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.788476][ T858] ? netlink_ack (./include/linux/skbuff.h:2720) [ 38.788479][ T858] ? 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)) [ 38.788480][ T858] ? 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)) [ 38.788483][ T858] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.788485][ T858] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.788487][ T858] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.788489][ T858] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.788491][ T858] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 38.788493][ T858] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 38.788498][ T858] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 38.788501][ T858] ? copy_msghdr_from_user (net/socket.c:2635) [ 38.788504][ T858] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 38.788506][ T858] ? move_addr_to_kernel (net/socket.c:258) [ 38.788509][ T858] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.788510][ T858] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 38.788512][ T858] ___sys_sendmsg (net/socket.c:2752) [ 38.788514][ T858] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 38.788516][ T858] ? copy_msghdr_from_user (net/socket.c:2603) [ 38.788522][ T858] __sys_sendmsg (net/socket.c:2784) [ 38.788523][ T858] ? __sys_sendmsg_sock (net/socket.c:2765) [ 38.788524][ T858] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 38.788527][ T858] ? 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) [ 38.788528][ T858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.788531][ T858] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 38.788532][ T858] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 38.788535][ T858] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 38.788537][ T858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.788539][ T858] RIP: 0033:0x7f443b8ce08e [ 38.788542][ T858] 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 [ 38.788544][ T858] RSP: 002b:00007ffeae3b3fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.788547][ T858] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f443b8ce08e [ 38.788548][ T858] RDX: 0000000000000000 RSI: 00007ffeae3b4050 RDI: 0000000000000005 [ 38.788549][ T858] RBP: 00007ffeae3b3fb0 R08: 0000000000000000 R09: 0000000000000000 [ 38.788550][ T858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195bab Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock