====================================== | [ 30.497098][ T591] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 30.497203][ T591] | [ 30.497246][ T591] | [ 30.497246][ T591] stack backtrace: [ 30.497362][ T591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.497364][ T591] Call Trace: [ 30.497366][ T591] [ 30.497367][ T591] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.497371][ T591] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 30.497374][ T591] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 30.497377][ T591] mark_lock (kernel/locking/lockdep.c:4753) [ 30.497379][ T591] mark_usage (kernel/locking/lockdep.c:4666) [ 30.497380][ T591] __lock_acquire (kernel/locking/lockdep.c:5191) [ 30.497382][ T591] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497384][ T591] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 30.497385][ T591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 30.497388][ T591] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 30.497390][ T591] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 30.497392][ T591] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 30.497393][ T591] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 30.497394][ T591] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 30.497396][ T591] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 30.497398][ T591] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 30.497400][ T591] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 30.497402][ T591] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 30.497404][ T591] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 30.497406][ T591] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 30.497408][ T591] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 30.497411][ T591] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 30.497412][ T591] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.497413][ T591] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 30.497415][ T591] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 30.497417][ T591] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 30.497418][ T591] ? __timer_delete_sync (kernel/time/timer.c:1603 (discriminator 2)) [ 30.497421][ T591] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 30.497423][ T591] ? neigh_flush_one (./include/linux/skbuff.h:2198) [ 30.497425][ T591] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 30.497427][ T591] addrconf_notify (net/ipv6/addrconf.c:3803) [ 30.497429][ T591] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 30.497432][ T591] notifier_call_chain (kernel/notifier.c:85) [ 30.497434][ T591] netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805) [ 30.497436][ T591] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1)) [ 30.497438][ T591] ? __dev_close_many (net/core/dev.c:1781) [ 30.497440][ T591] ? init_data_structures_once.part.0 (kernel/locking/lockdep.c:3397 (discriminator 1) kernel/locking/lockdep.c:3438 (discriminator 1) kernel/locking/lockdep.c:3482 (discriminator 1) kernel/locking/lockdep.c:1210 (discriminator 1)) [ 30.497442][ T591] __dev_change_net_namespace (net/core/dev.c:1818 net/core/dev.c:1812 net/core/dev.c:12606) [ 30.497444][ T591] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 30.497445][ T591] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 30.497447][ T591] ? default_device_exit_batch (net/core/dev.c:13090) [ 30.497448][ T591] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497449][ T591] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 30.497451][ T591] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 30.497453][ T591] ? 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)) [ 30.497456][ T591] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 30.497457][ T591] ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749) [ 30.497459][ T591] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.497461][ T591] do_setlink.isra.0 (net/core/rtnetlink.c:3109) [ 30.497463][ T591] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 30.497465][ T591] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 30.497467][ T591] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.497468][ T591] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 30.497470][ T591] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 30.497471][ T591] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 30.497474][ T591] ? __kernel_text_address (kernel/extable.c:79) [ 30.497476][ T591] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 30.497478][ T591] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497479][ T591] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 30.497481][ T591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 30.497482][ T591] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 30.497483][ T591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 30.497485][ T591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 30.497486][ T591] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 30.497488][ T591] ? __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) [ 30.497490][ T591] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 30.497491][ T591] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 30.497493][ T591] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 30.497494][ T591] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.497497][ T591] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 30.497500][ T591] rtnl_newlink (net/core/rtnetlink.c:4151) [ 30.497501][ T591] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497503][ T591] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 30.497504][ T591] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 30.497506][ T591] ? mark_usage (kernel/locking/lockdep.c:4674) [ 30.497507][ T591] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 30.497509][ T591] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497510][ T591] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 30.497512][ T591] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 30.497513][ T591] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 30.497515][ T591] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 30.497516][ T591] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 30.497518][ T591] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 30.497519][ T591] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.497520][ T591] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 30.497522][ T591] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 30.497523][ T591] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 30.497525][ T591] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.497527][ T591] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.497529][ T591] ? netlink_ack (./include/linux/skbuff.h:2720) [ 30.497531][ T591] ? 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)) [ 30.497533][ T591] ? 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)) [ 30.497535][ T591] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.497537][ T591] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.497538][ T591] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 30.497540][ T591] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.497542][ T591] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 30.497544][ T591] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 30.497547][ T591] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 30.497549][ T591] ? copy_msghdr_from_user (net/socket.c:2635) [ 30.497551][ T591] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 30.497552][ T591] ? move_addr_to_kernel (net/socket.c:258) [ 30.497554][ T591] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 30.497556][ T591] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 30.497558][ T591] ___sys_sendmsg (net/socket.c:2752) [ 30.497559][ T591] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 30.497562][ T591] ? copy_msghdr_from_user (net/socket.c:2603) [ 30.497567][ T591] __sys_sendmsg (net/socket.c:2784) [ 30.497568][ T591] ? __sys_sendmsg_sock (net/socket.c:2765) [ 30.497569][ T591] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 30.497571][ T591] ? 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) [ 30.497573][ T591] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 30.497575][ T591] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 30.497576][ T591] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 30.497579][ T591] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 30.497581][ T591] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.497583][ T591] RIP: 0033:0x7fcd8ac0d08e [ 30.497586][ T591] 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 [ 30.497587][ T591] RSP: 002b:00007ffe8af4d210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.497590][ T591] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcd8ac0d08e [ 30.497592][ T591] RDX: 0000000000000000 RSI: 00007ffe8af4d2c0 RDI: 0000000000000005 [ 30.497592][ T591] RBP: 00007ffe8af4d220 R08: 0000000000000000 R09: 0000000000000000 [ 30.497593][ T591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a198980 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock