====================================== | [ 65.748041][ T822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) | [ 65.748190][ T822] | [ 65.748232][ T822] | [ 65.748232][ T822] stack backtrace: [ 65.748337][ T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.748339][ T822] Call Trace: [ 65.748341][ T822] [ 65.748342][ T822] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.748347][ T822] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 65.748350][ T822] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 65.748353][ T822] mark_lock (kernel/locking/lockdep.c:4753) [ 65.748355][ T822] mark_usage (kernel/locking/lockdep.c:4666) [ 65.748356][ T822] __lock_acquire (kernel/locking/lockdep.c:5191) [ 65.748358][ T822] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748359][ T822] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 65.748361][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 65.748364][ T822] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 65.748366][ T822] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 65.748368][ T822] _raw_spin_lock (./include/linux/spinlock_api_smp.h:158 (discriminator 1) kernel/locking/spinlock.c:158 (discriminator 1)) [ 65.748369][ T822] ? __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 65.748371][ T822] __ipv6_dev_ac_dec (./include/linux/spinlock.h:342 net/ipv6/anycast.c:253 net/ipv6/anycast.c:419) [ 65.748373][ T822] addrconf_leave_anycast (net/ipv6/addrconf.c:2289) [ 65.748375][ T822] ? inet6_dump_ifinfo (net/ipv6/addrconf.c:6164) [ 65.748376][ T822] ? __ipv6_isatap_ifid (net/ipv6/addrconf.c:2360) [ 65.748379][ T822] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 65.748380][ T822] __ipv6_ifa_notify (net/ipv6/addrconf.c:6325) [ 65.748382][ T822] ? cleanup_prefix_route (./include/net/ip6_fib.h:558 (discriminator 3)) [ 65.748384][ T822] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 65.748387][ T822] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 65.748388][ T822] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.748390][ T822] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 65.748392][ T822] ? addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 65.748394][ T822] addrconf_ifdown.isra.0 (net/ipv6/addrconf.c:4004) [ 65.748395][ T822] ? __timer_delete_sync (kernel/time/timer.c:1603 (discriminator 2)) [ 65.748399][ T822] ? addrconf_dad_run (net/ipv6/addrconf.c:4415 (discriminator 1)) [ 65.748400][ T822] ? neigh_flush_one (./include/linux/skbuff.h:2198) [ 65.748403][ T822] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 65.748405][ T822] addrconf_notify (net/ipv6/addrconf.c:3803) [ 65.748406][ T822] ? team_port_get_rtnl (drivers/net/team/team_core.c:42 (discriminator 3)) [ 65.748410][ T822] notifier_call_chain (kernel/notifier.c:85) [ 65.748412][ T822] netif_close_many (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1805) [ 65.748414][ T822] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1)) [ 65.748416][ T822] ? __dev_close_many (net/core/dev.c:1781) [ 65.748418][ T822] ? 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)) [ 65.748420][ T822] __dev_change_net_namespace (net/core/dev.c:1818 net/core/dev.c:1812 net/core/dev.c:12606) [ 65.748422][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 65.748423][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 65.748425][ T822] ? default_device_exit_batch (net/core/dev.c:13090) [ 65.748426][ T822] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748428][ T822] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 65.748430][ T822] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 65.748431][ T822] ? 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)) [ 65.748435][ T822] ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1)) [ 65.748436][ T822] ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749) [ 65.748437][ T822] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 65.748439][ T822] do_setlink.isra.0 (net/core/rtnetlink.c:3109) [ 65.748443][ T822] ? rtnl_link_get_size (net/core/rtnetlink.c:716) [ 65.748444][ T822] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 65.748446][ T822] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 65.748448][ T822] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 65.748449][ T822] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 65.748450][ T822] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 65.748454][ T822] ? __kernel_text_address (kernel/extable.c:79) [ 65.748455][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 65.748457][ T822] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748459][ T822] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 65.748460][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 65.748462][ T822] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 65.748463][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 65.748464][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 65.748466][ T822] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22)) [ 65.748468][ T822] ? __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) [ 65.748470][ T822] ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1)) [ 65.748471][ T822] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4150) [ 65.748473][ T822] ? ww_mutex_lock (kernel/locking/mutex.c:933) [ 65.748474][ T822] ? nla_get_range_signed (lib/nlattr.c:270) [ 65.748477][ T822] ? __rtnl_newlink (net/core/rtnetlink.c:4001) [ 65.748480][ T822] rtnl_newlink (net/core/rtnetlink.c:4151) [ 65.748482][ T822] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748483][ T822] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 65.748485][ T822] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 65.748486][ T822] ? mark_usage (kernel/locking/lockdep.c:4674) [ 65.748487][ T822] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 65.748489][ T822] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748491][ T822] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 65.748492][ T822] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 65.748494][ T822] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 65.748496][ T822] ? __rtnl_newlink (net/core/rtnetlink.c:4028 (discriminator 1)) [ 65.748497][ T822] rtnetlink_rcv_msg (net/core/rtnetlink.c:7062) [ 65.748499][ T822] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 65.748500][ T822] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.748501][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 65.748503][ T822] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 65.748504][ T822] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 65.748507][ T822] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.748508][ T822] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.748510][ T822] ? netlink_ack (./include/linux/skbuff.h:2720) [ 65.748512][ T822] ? 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)) [ 65.748514][ T822] ? 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)) [ 65.748516][ T822] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.748518][ T822] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.748520][ T822] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 65.748522][ T822] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.748524][ T822] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 65.748526][ T822] ? __might_fault (mm/memory.c:7340 (discriminator 5)) [ 65.748529][ T822] ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4)) [ 65.748531][ T822] ? copy_msghdr_from_user (net/socket.c:2635) [ 65.748532][ T822] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5354) [ 65.748534][ T822] ? move_addr_to_kernel (net/socket.c:258) [ 65.748536][ T822] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 65.748538][ T822] ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2)) [ 65.748540][ T822] ___sys_sendmsg (net/socket.c:2752) [ 65.748541][ T822] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131) [ 65.748543][ T822] ? copy_msghdr_from_user (net/socket.c:2603) [ 65.748549][ T822] __sys_sendmsg (net/socket.c:2784) [ 65.748550][ T822] ? __sys_sendmsg_sock (net/socket.c:2765) [ 65.748551][ T822] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6)) [ 65.748553][ T822] ? 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) [ 65.748555][ T822] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 65.748558][ T822] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 65.748559][ T822] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 65.748562][ T822] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 65.748564][ T822] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.748566][ T822] RIP: 0033:0x7fcb4ec8908e [ 65.748568][ T822] 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 [ 65.748570][ T822] RSP: 002b:00007ffe522e23d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 65.748573][ T822] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb4ec8908e [ 65.748574][ T822] RDX: 0000000000000000 RSI: 00007ffe522e2480 RDI: 0000000000000005 [ 65.748575][ T822] RBP: 00007ffe522e23e0 R08: 0000000000000000 R09: 0000000000000000 [ 65.748576][ T822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a193154 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock