====================================== | [ 23.494391][ T500] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 23.494500][ T500] | [ 23.494544][ T500] | [ 23.494544][ T500] stack backtrace: [ 23.494661][ T500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.494663][ T500] Call Trace: [ 23.494664][ T500] [ 23.494665][ T500] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.494670][ T500] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 23.494673][ T500] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 23.494676][ T500] mark_lock (kernel/locking/lockdep.c:4753) [ 23.494678][ T500] mark_usage (kernel/locking/lockdep.c:4666) [ 23.494679][ T500] __lock_acquire (kernel/locking/lockdep.c:5191) [ 23.494681][ T500] ? handle_ud (arch/x86/kvm/x86.c:8065) [ 23.494684][ T500] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 23.494686][ T500] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 23.494688][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 23.494691][ T500] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 23.494693][ T500] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 23.494694][ T500] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 23.494696][ T500] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 23.494697][ T500] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 23.494700][ T500] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 23.494701][ T500] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 23.494703][ T500] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 23.494705][ T500] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 23.494707][ T500] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 23.494709][ T500] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 23.494711][ T500] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 23.494714][ T500] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 23.494716][ T500] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.494717][ T500] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 23.494719][ T500] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 23.494721][ T500] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 23.494724][ T500] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 23.494726][ T500] ? neigh_flush_one (./include/linux/skbuff.h:2198) [ 23.494728][ T500] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 23.494730][ T500] addrconf_notify (net/ipv6/addrconf.c:3803) [ 23.494732][ T500] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 23.494735][ T500] notifier_call_chain (kernel/notifier.c:85) [ 23.494738][ T500] __dev_notify_flags (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:9792) [ 23.494739][ T500] ? netif_change_name (net/core/dev.c:1495) [ 23.494741][ T500] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 23.494743][ T500] ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2)) [ 23.494746][ T500] netif_change_flags (net/core/dev.c:9819) [ 23.494748][ T500] do_setlink.isra.0 (net/core/rtnetlink.c:3207 (discriminator 1)) [ 23.494751][ T500] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 23.494753][ T500] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 23.494755][ T500] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.494757][ T500] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 23.494758][ T500] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 23.494760][ T500] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 23.494763][ T500] ? __kernel_text_address (kernel/extable.c:79) [ 23.494765][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 23.494767][ T500] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 23.494768][ T500] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 23.494770][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 23.494772][ T500] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 23.494773][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 23.494774][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 23.494776][ T500] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 23.494778][ T500] ? __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) [ 23.494780][ T500] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 23.494782][ T500] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 23.494784][ T500] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 23.494786][ T500] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 23.494788][ T500] rtnl_newlink (net/core/rtnetlink.c:4151) [ 23.494790][ T500] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 23.494792][ T500] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 23.494794][ T500] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 23.494795][ T500] ? mark_usage (kernel/locking/lockdep.c:4674) [ 23.494796][ T500] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 23.494798][ T500] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 23.494799][ T500] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 23.494801][ T500] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 23.494803][ T500] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 23.494804][ T500] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 23.494806][ T500] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 23.494808][ T500] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 23.494809][ T500] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.494810][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 23.494812][ T500] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 23.494814][ T500] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 23.494816][ T500] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.494818][ T500] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.494819][ T500] ? netlink_ack (./include/linux/skbuff.h:2720) [ 23.494822][ T500] ? 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)) [ 23.494824][ T500] ? 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)) [ 23.494826][ T500] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.494828][ T500] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.494830][ T500] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 23.494832][ T500] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.494834][ T500] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 23.494836][ T500] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 23.494839][ T500] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 23.494841][ T500] ? copy_msghdr_from_user (net/socket.c:2635) [ 23.494843][ T500] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 23.494845][ T500] ? move_addr_to_kernel (net/socket.c:258) [ 23.494847][ T500] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 23.494848][ T500] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 23.494850][ T500] ___sys_sendmsg (net/socket.c:2752) [ 23.494852][ T500] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 23.494854][ T500] ? copy_msghdr_from_user (net/socket.c:2603) [ 23.494860][ T500] __sys_sendmsg (net/socket.c:2784) [ 23.494861][ T500] ? __sys_sendmsg_sock (net/socket.c:2765) [ 23.494862][ T500] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 23.494865][ T500] ? 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) [ 23.494866][ T500] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 23.494868][ T500] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.494870][ T500] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 23.494873][ T500] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 23.494875][ T500] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.494877][ T500] RIP: 0033:0x7f73459f608e [ 23.494880][ T500] 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 [ 23.494882][ T500] RSP: 002b:00007ffd81025d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.494885][ T500] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73459f608e [ 23.494886][ T500] RDX: 0000000000000000 RSI: 00007ffd81025df0 RDI: 0000000000000005 [ 23.494891][ T500] RBP: 00007ffd81025d50 R08: 0000000000000000 R09: 0000000000000000 [ 23.494892][ T500] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a198643 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock