====================================== | [ 22.851524][ T340] ------------[ cut here ]------------ | [ 22.851722][ T340] DEBUG_LOCKS_WARN_ON(1) | [ 22.851742][ T340] WARNING: CPU: 3 PID: 340 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 22.852258][ T340] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 22.853023][ T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.853280][ T340] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 22.853530][ T340] Code: ff 4c 89 e6 48 c7 c7 28 3d 1d 91 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 16 91 48 c7 c7 3b fc 16 91 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 17 91 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 1d 91 mov $0xffffffff911d3d28,%rdi b: e8 ee c9 01 00 call 0x1c9fe 10: e9 3d ff ff ff jmp 0xffffffffffffff52 15: 90 nop 16: 48 c7 c6 ee ff 16 91 mov $0xffffffff9116ffee,%rsi 1d: 48 c7 c7 3b fc 16 91 mov $0xffffffff9116fc3b,%rdi 24: e8 c5 89 e9 ff call 0xffffffffffe989ee 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 47 ff ff ff jmp 0xffffffffffffff7a 33: 90 nop 34: 48 c7 c6 2a 01 17 91 mov $0xffffffff9117012a,%rsi 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: c7 (bad) 3e: 3b fc cmp %esp,%edi Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 47 ff ff ff jmp 0xffffffffffffff50 9: 90 nop a: 48 c7 c6 2a 01 17 91 mov $0xffffffff9117012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 22.854181][ T340] RSP: 0018:ffffc90000617018 EFLAGS: 00010282 [ 22.854419][ T340] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 22.854702][ T340] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 22.854977][ T340] RBP: ffffe8ffffc04f30 R08: 0000000000000000 R09: fffffbfff22be10c [ 22.855251][ T340] R10: 0000000000000003 R11: 0000000000000004 R12: ffff888009ccae60 [ 22.855627][ T340] R13: 0000000000000000 R14: ffffe8ffffc04d18 R15: ffffe8ffffc04cc0 [ 22.855909][ T340] FS: 00007f3cc35b8800(0000) GS:ffff8880a3972000(0000) knlGS:0000000000000000 [ 22.856245][ T340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.856616][ T340] CR2: 00007f93fa69d000 CR3: 000000000da38006 CR4: 0000000000772ef0 [ 22.856899][ T340] PKRU: 55555554 [ 22.857039][ T340] Call Trace: [ 22.857186][ T340] [ 22.857285][ T340] gro_cells_init (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-atomic.h:28 net/core/gro_cells.c:93 net/core/gro_cells.c:78) [ 22.857611][ T340] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 22.857809][ T340] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 22.857997][ T340] register_netdevice (net/core/dev.c:11309) [ 22.858182][ T340] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 22.858375][ T340] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 22.858614][ T340] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 22.858853][ T340] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 22.859094][ T340] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 22.859284][ T340] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 22.859475][ T340] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 22.859672][ T340] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 22.859984][ T340] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 22.860189][ T340] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 22.860377][ T340] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 22.860698][ T340] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 22.860879][ T340] ? __dev_get_by_name (net/core/dev.c:865) [ 22.861058][ T340] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 22.861243][ T340] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 22.861588][ T340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 22.861769][ T340] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 22.861956][ T340] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 22.862138][ T340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 22.862440][ T340] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 22.862635][ T340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 22.862824][ T340] ? __lock_release (kernel/locking/lockdep.c:5536) [ 22.863006][ T340] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 22.863305][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 22.863492][ T340] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 22.863679][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 22.863864][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 22.864161][ T340] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 22.864342][ T340] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 22.864532][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 22.864718][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.865015][ T340] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 22.865198][ T340] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 22.865383][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 22.865574][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 22.865872][ T340] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 22.866054][ T340] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 22.866239][ T340] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 22.866426][ T340] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 22.866732][ T340] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 22.866967][ T340] ? __copy_msghdr (net/socket.c:2556) [ 22.867157][ T340] ___sys_sendmsg (net/socket.c:2686) [ 22.867340][ T340] ? copy_msghdr_from_user (net/socket.c:2673) [ 22.867647][ T340] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.867834][ T340] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.868030][ T340] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 22.868221][ T340] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 22.868555][ T340] __sys_sendmsg (net/socket.c:2716) [ 22.868743][ T340] ? __sys_sendmsg_sock (net/socket.c:2701) [ 22.868939][ T340] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 22.869181][ T340] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 22.869506][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 22.869711][ T340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.869902][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.870137][ T340] RIP: 0033:0x7f3cc37861d7 [ 22.870516][ T340] Code: Unable to access opcode bytes at 0x7f3cc37861ad. Code starting with the faulting instruction =========================================== [ 22.870770][ T340] RSP: 002b:00007ffd06330748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.871058][ T340] RAX: ffffffffffffffda RBX: 00007ffd06330e70 RCX: 00007f3cc37861d7 [ 22.871491][ T340] RDX: 0000000000000000 RSI: 00007ffd063307b0 RDI: 0000000000000005 [ 22.871781][ T340] RBP: 000000000000000c R08: 0000000000000078 R09: 0000000000000000 [ 22.872189][ T340] R10: 00007f3cc367d770 R11: 0000000000000246 R12: 00007ffd06330e90 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create