====================================== | [ 23.579615][ T323] ------------[ cut here ]------------ | [ 23.579821][ T323] DEBUG_LOCKS_WARN_ON(1) | [ 23.579843][ T323] WARNING: CPU: 1 PID: 323 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 23.580505][ T323] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth [ 23.581365][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.581676][ T323] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 23.582117][ T323] Code: ff 4c 89 e6 48 c7 c7 28 3d bd a4 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff b6 a4 48 c7 c7 3b fc b6 a4 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 b7 a4 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d bd a4 mov $0xffffffffa4bd3d28,%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 b6 a4 mov $0xffffffffa4b6ffee,%rsi 1d: 48 c7 c7 3b fc b6 a4 mov $0xffffffffa4b6fc3b,%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 b7 a4 mov $0xffffffffa4b7012a,%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 b7 a4 mov $0xffffffffa4b7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 23.583005][ T323] RSP: 0018:ffffc90000607018 EFLAGS: 00010282 [ 23.583280][ T323] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 23.583568][ T323] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 23.583948][ T323] RBP: ffffe8ffffc047b0 R08: 0000000000000000 R09: fffffbfff49fe10c [ 23.584249][ T323] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800bceae60 [ 23.584538][ T323] R13: 0000000000000000 R14: ffffe8ffffc04598 R15: ffffe8ffffc04540 [ 23.584829][ T323] FS: 00007fbff7efb800(0000) GS:ffff88808a272000(0000) knlGS:0000000000000000 [ 23.585244][ T323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.585483][ T323] CR2: 00007fbff8006aa0 CR3: 000000000c032003 CR4: 0000000000772ef0 [ 23.585833][ T323] PKRU: 55555554 [ 23.586017][ T323] Call Trace: [ 23.586180][ T323] [ 23.586284][ T323] 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) [ 23.586509][ T323] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 23.586734][ T323] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 23.586953][ T323] register_netdevice (net/core/dev.c:11309) [ 23.587151][ T323] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 23.587354][ T323] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 23.587587][ T323] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 23.587835][ T323] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 23.588104][ T323] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 23.588304][ T323] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 23.588501][ T323] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 23.588704][ T323] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 23.588955][ T323] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 23.589168][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 23.589381][ T323] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 23.589573][ T323] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 23.589755][ T323] ? __dev_get_by_name (net/core/dev.c:865) [ 23.589970][ T323] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 23.590161][ T323] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 23.590409][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 23.590609][ T323] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 23.590816][ T323] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 23.591025][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 23.591214][ T323] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 23.591411][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 23.591615][ T323] ? __lock_release (kernel/locking/lockdep.c:5536) [ 23.591837][ T323] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 23.592053][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 23.592247][ T323] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 23.592438][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 23.592645][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 23.592848][ T323] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 23.593050][ T323] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 23.593257][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 23.593453][ T323] ? 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) [ 23.593646][ T323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 23.593840][ T323] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 23.594039][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 23.594229][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 23.594419][ T323] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 23.594614][ T323] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 23.594803][ T323] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 23.595018][ T323] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 23.595208][ T323] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 23.595440][ T323] ? __copy_msghdr (net/socket.c:2556) [ 23.595639][ T323] ___sys_sendmsg (net/socket.c:2686) [ 23.595835][ T323] ? copy_msghdr_from_user (net/socket.c:2673) [ 23.596036][ T323] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.596227][ T323] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.596441][ T323] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 23.596646][ T323] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 23.596845][ T323] __sys_sendmsg (net/socket.c:2716) [ 23.597064][ T323] ? __sys_sendmsg_sock (net/socket.c:2701) [ 23.597253][ T323] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 23.597494][ T323] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 23.597690][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 23.598032][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 23.598222][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 23.598457][ T323] RIP: 0033:0x7fbff80c91d7 [ 23.598785][ T323] Code: Unable to access opcode bytes at 0x7fbff80c91ad. Code starting with the faulting instruction =========================================== [ 23.599115][ T323] RSP: 002b:00007ffe4e375e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.599430][ T323] RAX: ffffffffffffffda RBX: 00007ffe4e376550 RCX: 00007fbff80c91d7 [ 23.599854][ T323] RDX: 0000000000000000 RSI: 00007ffe4e375e90 RDI: 0000000000000005 [ 23.600156][ T323] RBP: 000000000000000c R08: 0000000000000074 R09: 0000000000000000 [ 23.600434][ T323] R10: 00007fbff7fc0770 R11: 0000000000000246 R12: 00007ffe4e376570 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create