====================================== | [ 109.233723][ T708] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 109.233823][ T708] | [ 109.233863][ T708] | [ 109.233863][ T708] stack backtrace: [ 109.233970][ T708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.233973][ T708] Call Trace: [ 109.233974][ T708] [ 109.233975][ T708] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 109.233979][ T708] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 109.233982][ T708] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 109.233985][ T708] mark_lock (kernel/locking/lockdep.c:4753) [ 109.233987][ T708] mark_usage (kernel/locking/lockdep.c:4666) [ 109.233988][ T708] __lock_acquire (kernel/locking/lockdep.c:5191) [ 109.233990][ T708] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 109.233992][ T708] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 109.233993][ T708] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 109.233996][ T708] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 109.233998][ T708] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 109.234000][ T708] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 109.234001][ T708] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 109.234002][ T708] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 109.234005][ T708] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 109.234006][ T708] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 109.234008][ T708] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 109.234010][ T708] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 109.234012][ T708] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 109.234014][ T708] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 109.234016][ T708] ? __cancel_work (kernel/workqueue.c:4466 (discriminator 6)) [ 109.234018][ T708] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 109.234020][ T708] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 109.234021][ T708] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 109.234023][ T708] ? ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 109.234024][ T708] ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 109.234026][ T708] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 109.234029][ T708] ? addrconf_dad_start (./include/linux/refcount.h:289) [ 109.234030][ T708] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 109.234032][ T708] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 109.234034][ T708] inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3134) [ 109.234036][ T708] inet6_rtm_deladdr (net/ipv6/addrconf.c:4827) [ 109.234038][ T708] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 109.234041][ T708] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/rtnetlink.c:7060 (discriminator 2)) [ 109.234043][ T708] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 109.234045][ T708] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 109.234046][ T708] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 109.234048][ T708] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 109.234049][ T708] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 109.234051][ T708] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 109.234052][ T708] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 109.234054][ T708] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 109.234056][ T708] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 109.234058][ T708] ? netlink_ack (./include/linux/skbuff.h:2720) [ 109.234060][ T708] ? 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)) [ 109.234062][ T708] ? 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)) [ 109.234064][ T708] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 109.234066][ T708] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 109.234068][ T708] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 109.234069][ T708] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 109.234071][ T708] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 109.234073][ T708] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 109.234077][ T708] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 109.234078][ T708] ? copy_msghdr_from_user (net/socket.c:2635) [ 109.234080][ T708] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 109.234082][ T708] ? move_addr_to_kernel (net/socket.c:258) [ 109.234084][ T708] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 109.234087][ T708] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 109.234089][ T708] ___sys_sendmsg (net/socket.c:2752) [ 109.234091][ T708] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 109.234093][ T708] ? copy_msghdr_from_user (net/socket.c:2603) [ 109.234098][ T708] __sys_sendmsg (net/socket.c:2784) [ 109.234100][ T708] ? __sys_sendmsg_sock (net/socket.c:2765) [ 109.234101][ T708] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 109.234103][ T708] ? 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) [ 109.234105][ T708] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 109.234107][ T708] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.234108][ T708] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 109.234111][ T708] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 109.234113][ T708] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 109.234114][ T708] RIP: 0033:0x7f5c987c708e [ 109.234116][ T708] 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 [ 109.234118][ T708] RSP: 002b:00007fff121fbb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 109.234121][ T708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c987c708e [ 109.234122][ T708] RDX: 0000000000000000 RSI: 00007fff121fbc40 RDI: 0000000000000005 [ 109.234123][ T708] RBP: 00007fff121fbba0 R08: 0000000000000000 R09: 0000000000000000 [ 109.234124][ T708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a195eb7 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock