====================================== | [ 154.013524][ T3198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 154.013633][ T3198] | [ 154.013677][ T3198] | [ 154.013677][ T3198] stack backtrace: [ 154.013794][ T3198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.013796][ T3198] Call Trace: [ 154.013797][ T3198] [ 154.013799][ T3198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 154.013803][ T3198] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 154.013806][ T3198] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 154.013809][ T3198] mark_lock (kernel/locking/lockdep.c:4753) [ 154.013811][ T3198] mark_usage (kernel/locking/lockdep.c:4666) [ 154.013812][ T3198] __lock_acquire (kernel/locking/lockdep.c:5191) [ 154.013819][ T3198] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 154.013820][ T3198] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 154.013822][ T3198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 154.013825][ T3198] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 154.013827][ T3198] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 154.013829][ T3198] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 154.013831][ T3198] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 154.013832][ T3198] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 154.013834][ T3198] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 154.013836][ T3198] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 154.013838][ T3198] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 154.013840][ T3198] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 154.013842][ T3198] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 154.013844][ T3198] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 154.013846][ T3198] ? __cancel_work (kernel/workqueue.c:4466 (discriminator 6)) [ 154.013848][ T3198] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 154.013850][ T3198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 154.013851][ T3198] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 154.013853][ T3198] ? ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 154.013855][ T3198] ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 154.013856][ T3198] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 154.013859][ T3198] ? addrconf_dad_start (./include/linux/refcount.h:289) [ 154.013861][ T3198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 154.013862][ T3198] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 154.013864][ T3198] inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3134) [ 154.013867][ T3198] inet6_rtm_deladdr (net/ipv6/addrconf.c:4827) [ 154.013869][ T3198] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 154.013872][ T3198] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/rtnetlink.c:7060 (discriminator 2)) [ 154.013874][ T3198] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 154.013876][ T3198] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 154.013877][ T3198] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 154.013879][ T3198] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.013880][ T3198] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 154.013882][ T3198] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 154.013884][ T3198] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 154.013886][ T3198] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 154.013887][ T3198] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.013889][ T3198] ? netlink_ack (./include/linux/skbuff.h:2720) [ 154.013892][ T3198] ? 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)) [ 154.013894][ T3198] ? 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)) [ 154.013896][ T3198] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 154.013898][ T3198] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 154.013900][ T3198] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 154.013902][ T3198] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 154.013904][ T3198] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 154.013906][ T3198] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 154.013909][ T3198] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 154.013911][ T3198] ? copy_msghdr_from_user (net/socket.c:2635) [ 154.013913][ T3198] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 154.013915][ T3198] ? move_addr_to_kernel (net/socket.c:258) [ 154.013917][ T3198] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 154.013920][ T3198] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 154.013922][ T3198] ___sys_sendmsg (net/socket.c:2752) [ 154.013924][ T3198] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 154.013926][ T3198] ? copy_msghdr_from_user (net/socket.c:2603) [ 154.013931][ T3198] __sys_sendmsg (net/socket.c:2784) [ 154.013933][ T3198] ? __sys_sendmsg_sock (net/socket.c:2765) [ 154.013934][ T3198] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 154.013936][ T3198] ? 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) [ 154.013938][ T3198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 154.013940][ T3198] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.013941][ T3198] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 154.013944][ T3198] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 154.013947][ T3198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 154.013949][ T3198] RIP: 0033:0x7faa5f88a08e [ 154.013951][ T3198] 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 [ 154.013953][ T3198] RSP: 002b:00007ffe4a8b5780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 154.013956][ T3198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa5f88a08e [ 154.013957][ T3198] RDX: 0000000000000000 RSI: 00007ffe4a8b5830 RDI: 0000000000000005 [ 154.013958][ T3198] RBP: 00007ffe4a8b5790 R08: 0000000000000000 R09: 0000000000000000 [ 154.013959][ T3198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195d9e Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock