====================================== | [ 25.277192][ T568] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 25.277300][ T568] | [ 25.277342][ T568] | [ 25.277342][ T568] stack backtrace: [ 25.277501][ T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.277503][ T568] Call Trace: [ 25.277504][ T568] [ 25.277505][ T568] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.277510][ T568] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 25.277513][ T568] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 25.277515][ T568] mark_lock (kernel/locking/lockdep.c:4753) [ 25.277517][ T568] mark_usage (kernel/locking/lockdep.c:4666) [ 25.277518][ T568] __lock_acquire (kernel/locking/lockdep.c:5191) [ 25.277521][ T568] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277522][ T568] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 25.277524][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 25.277526][ T568] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 25.277528][ T568] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 25.277530][ T568] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 25.277531][ T568] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 25.277532][ T568] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 25.277534][ T568] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 25.277536][ T568] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 25.277538][ T568] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 25.277540][ T568] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 25.277542][ T568] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 25.277544][ T568] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 25.277546][ T568] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.277548][ T568] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 25.277550][ T568] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.277551][ T568] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 25.277553][ T568] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 25.277555][ T568] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 25.277556][ T568] ? __timer_delete_sync (kernel/time/timer.c:1603 (discriminator 2)) [ 25.277559][ T568] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 25.277561][ T568] ? neigh_flush_one (./include/linux/skbuff.h:2198) [ 25.277563][ T568] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 25.277565][ T568] addrconf_notify (net/ipv6/addrconf.c:3803) [ 25.277567][ T568] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 25.277570][ T568] notifier_call_chain (kernel/notifier.c:85) [ 25.277572][ T568] netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805) [ 25.277574][ T568] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1)) [ 25.277575][ T568] ? __dev_close_many (net/core/dev.c:1781) [ 25.277577][ T568] ? 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)) [ 25.277580][ T568] __dev_change_net_namespace (net/core/dev.c:1818 net/core/dev.c:1812 net/core/dev.c:12606) [ 25.277581][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.277582][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.277584][ T568] ? default_device_exit_batch (net/core/dev.c:13090) [ 25.277586][ T568] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277587][ T568] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.277589][ T568] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 25.277590][ T568] ? 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)) [ 25.277593][ T568] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 25.277595][ T568] ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749) [ 25.277596][ T568] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 25.277598][ T568] do_setlink.isra.0 (net/core/rtnetlink.c:3109) [ 25.277600][ T568] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 25.277602][ T568] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 25.277604][ T568] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.277606][ T568] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 25.277607][ T568] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.277608][ T568] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.277611][ T568] ? __kernel_text_address (kernel/extable.c:79) [ 25.277613][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.277615][ T568] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277616][ T568] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 25.277617][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 25.277619][ T568] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 25.277620][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 25.277621][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 25.277623][ T568] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 25.277625][ T568] ? __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) [ 25.277627][ T568] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 25.277628][ T568] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 25.277630][ T568] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 25.277631][ T568] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.277634][ T568] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 25.277636][ T568] rtnl_newlink (net/core/rtnetlink.c:4151) [ 25.277638][ T568] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277639][ T568] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.277641][ T568] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 25.277642][ T568] ? mark_usage (kernel/locking/lockdep.c:4674) [ 25.277644][ T568] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 25.277646][ T568] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277647][ T568] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.277649][ T568] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 25.277650][ T568] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 25.277651][ T568] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 25.277653][ T568] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 25.277654][ T568] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 25.277656][ T568] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.277657][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.277659][ T568] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 25.277660][ T568] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 25.277662][ T568] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.277664][ T568] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.277665][ T568] ? netlink_ack (./include/linux/skbuff.h:2720) [ 25.277668][ T568] ? 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)) [ 25.277669][ T568] ? 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)) [ 25.277671][ T568] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.277674][ T568] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.277675][ T568] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 25.277677][ T568] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.277679][ T568] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 25.277681][ T568] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 25.277684][ T568] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 25.277686][ T568] ? copy_msghdr_from_user (net/socket.c:2635) [ 25.277687][ T568] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 25.277689][ T568] ? move_addr_to_kernel (net/socket.c:258) [ 25.277691][ T568] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.277692][ T568] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 25.277694][ T568] ___sys_sendmsg (net/socket.c:2752) [ 25.277696][ T568] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 25.277697][ T568] ? copy_msghdr_from_user (net/socket.c:2603) [ 25.277702][ T568] __sys_sendmsg (net/socket.c:2784) [ 25.277704][ T568] ? __sys_sendmsg_sock (net/socket.c:2765) [ 25.277705][ T568] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 25.277707][ T568] ? 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) [ 25.277709][ T568] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 25.277710][ T568] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.277712][ T568] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 25.277715][ T568] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 25.277717][ T568] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.277718][ T568] RIP: 0033:0x7f5e6a25408e [ 25.277721][ T568] 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 [ 25.277723][ T568] RSP: 002b:00007fffd6154620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.277725][ T568] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5e6a25408e [ 25.277727][ T568] RDX: 0000000000000000 RSI: 00007fffd61546d0 RDI: 0000000000000005 [ 25.277728][ T568] RBP: 00007fffd6154630 R08: 0000000000000000 R09: 0000000000000000 [ 25.277729][ T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195f4f Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock