====================================== | [ 63.696793][ T546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 63.696896][ T546] | [ 63.696937][ T546] | [ 63.696937][ T546] stack backtrace: [ 63.697042][ T546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.697044][ T546] Call Trace: [ 63.697046][ T546] [ 63.697047][ T546] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.697051][ T546] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 63.697054][ T546] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 63.697057][ T546] mark_lock (kernel/locking/lockdep.c:4753) [ 63.697059][ T546] mark_usage (kernel/locking/lockdep.c:4666) [ 63.697060][ T546] __lock_acquire (kernel/locking/lockdep.c:5191) [ 63.697062][ T546] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 63.697064][ T546] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 63.697065][ T546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 63.697068][ T546] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 63.697070][ T546] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 63.697072][ T546] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 63.697074][ T546] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 63.697075][ T546] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 63.697077][ T546] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 63.697079][ T546] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 63.697081][ T546] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 63.697083][ T546] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 63.697085][ T546] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 63.697087][ T546] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 63.697089][ T546] ? __cancel_work (kernel/workqueue.c:4466 (discriminator 6)) [ 63.697091][ T546] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.697093][ T546] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 63.697094][ T546] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 63.697096][ T546] ? ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 63.697098][ T546] ipv6_del_addr (net/ipv6/addrconf.c:6349 net/ipv6/addrconf.c:1338) [ 63.697100][ T546] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 63.697102][ T546] ? addrconf_dad_start (./include/linux/refcount.h:289) [ 63.697104][ T546] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 63.697105][ T546] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 63.697107][ T546] inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3134) [ 63.697110][ T546] inet6_rtm_deladdr (net/ipv6/addrconf.c:4827) [ 63.697112][ T546] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 63.697115][ T546] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/core/rtnetlink.c:7060 (discriminator 2)) [ 63.697117][ T546] ? inet6_addr_del.isra.0 (net/ipv6/addrconf.c:3146 (discriminator 2)) [ 63.697118][ T546] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 63.697120][ T546] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 63.697121][ T546] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.697123][ T546] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 63.697125][ T546] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 63.697126][ T546] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 63.697128][ T546] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.697130][ T546] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.697132][ T546] ? netlink_ack (./include/linux/skbuff.h:2720) [ 63.697134][ T546] ? 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)) [ 63.697136][ T546] ? 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)) [ 63.697138][ T546] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.697140][ T546] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.697142][ T546] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 63.697144][ T546] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.697146][ T546] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 63.697148][ T546] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 63.697151][ T546] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 63.697153][ T546] ? copy_msghdr_from_user (net/socket.c:2635) [ 63.697155][ T546] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 63.697157][ T546] ? move_addr_to_kernel (net/socket.c:258) [ 63.697159][ T546] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 63.697162][ T546] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 63.697164][ T546] ___sys_sendmsg (net/socket.c:2752) [ 63.697166][ T546] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 63.697168][ T546] ? copy_msghdr_from_user (net/socket.c:2603) [ 63.697173][ T546] __sys_sendmsg (net/socket.c:2784) [ 63.697175][ T546] ? __sys_sendmsg_sock (net/socket.c:2765) [ 63.697176][ T546] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 63.697178][ T546] ? 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) [ 63.697180][ T546] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 63.697182][ T546] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 63.697183][ T546] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 63.697186][ T546] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 63.697188][ T546] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.697190][ T546] RIP: 0033:0x7f19a57ed08e [ 63.697193][ T546] 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 [ 63.697194][ T546] RSP: 002b:00007ffef7bef590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.697197][ T546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19a57ed08e [ 63.697199][ T546] RDX: 0000000000000000 RSI: 00007ffef7bef640 RDI: 0000000000000005 [ 63.697200][ T546] RBP: 00007ffef7bef5a0 R08: 0000000000000000 R09: 0000000000000000 [ 63.697200][ T546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a198568 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock