====================================== | [ 18.824587][ T310] ------------[ cut here ]------------ | [ 18.824801][ T310] DEBUG_LOCKS_WARN_ON(1) | [ 18.824821][ T310] WARNING: CPU: 2 PID: 310 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 18.825413][ T310] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel vrf veth [ 18.826100][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.826381][ T310] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 18.826656][ T310] Code: ff 4c 89 e6 48 c7 c7 28 3d bd a1 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff b6 a1 48 c7 c7 3b fc b6 a1 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 b7 a1 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d bd a1 mov $0xffffffffa1bd3d28,%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 a1 mov $0xffffffffa1b6ffee,%rsi 1d: 48 c7 c7 3b fc b6 a1 mov $0xffffffffa1b6fc3b,%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 a1 mov $0xffffffffa1b7012a,%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 a1 mov $0xffffffffa1b7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 18.827365][ T310] RSP: 0018:ffffc90000527018 EFLAGS: 00010282 [ 18.827624][ T310] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 18.827932][ T310] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 18.828243][ T310] RBP: ffffe8ffffc03af0 R08: 0000000000000000 R09: fffffbfff43fe10c [ 18.828554][ T310] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800f59ae60 [ 18.828863][ T310] R13: 0000000000000000 R14: ffffe8ffffc038d8 R15: ffffe8ffffc03880 [ 18.829181][ T310] FS: 00007f31370bf800(0000) GS:ffff888092ef2000(0000) knlGS:0000000000000000 [ 18.829550][ T310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.829805][ T310] CR2: 00000000004e5ae0 CR3: 00000000125d6004 CR4: 0000000000772ef0 [ 18.830114][ T310] PKRU: 55555554 [ 18.830278][ T310] Call Trace: [ 18.830454][ T310] [ 18.830575][ T310] 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) [ 18.830789][ T310] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 18.831022][ T310] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 18.831237][ T310] register_netdevice (net/core/dev.c:11309) [ 18.831456][ T310] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 18.831670][ T310] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 18.831928][ T310] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3890) vxlan [ 18.832192][ T310] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 18.832421][ T310] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 18.832634][ T310] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 18.832849][ T310] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 18.833075][ T310] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 18.833291][ T310] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 18.833511][ T310] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 18.833716][ T310] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 18.833932][ T310] ? __dev_get_by_name (net/core/dev.c:865) [ 18.834138][ T310] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 18.834344][ T310] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 18.834605][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 18.834809][ T310] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 18.835026][ T310] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 18.835235][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 18.835451][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 18.835664][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 18.835867][ T310] ? __lock_release (kernel/locking/lockdep.c:5536) [ 18.836082][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 18.836288][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 18.836513][ T310] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 18.836715][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.836931][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 18.837138][ T310] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 18.837358][ T310] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 18.837570][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 18.837775][ T310] ? 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) [ 18.837989][ T310] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 18.838196][ T310] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 18.838414][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.838621][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 18.838835][ T310] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 18.839050][ T310] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 18.839259][ T310] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 18.839473][ T310] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 18.839684][ T310] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 18.839937][ T310] ? __copy_msghdr (net/socket.c:2556) [ 18.840143][ T310] ___sys_sendmsg (net/socket.c:2686) [ 18.840345][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 18.840569][ T310] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 18.840821][ T310] ? copy_msghdr_from_user (net/socket.c:2673) [ 18.841038][ T310] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 18.841243][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.841460][ T310] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 18.841670][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 18.841875][ T310] ? __lock_release (kernel/locking/lockdep.c:5536) [ 18.842100][ T310] __sys_sendmsg (net/socket.c:2716) [ 18.842307][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 18.842564][ T310] ? __sys_sendmsg_sock (net/socket.c:2701) [ 18.842772][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 18.842982][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 18.843190][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 18.843447][ T310] RIP: 0033:0x7f313728d1d7 [ 18.843668][ T310] Code: Unable to access opcode bytes at 0x7f313728d1ad. Code starting with the faulting instruction =========================================== [ 18.843941][ T310] RSP: 002b:00007ffc71ebed98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.844247][ T310] RAX: ffffffffffffffda RBX: 00007ffc71ebf4c0 RCX: 00007f313728d1d7 [ 18.844552][ T310] RDX: 0000000000000000 RSI: 00007ffc71ebee00 RDI: 0000000000000005 [ 18.844846][ T310] RBP: 0000000000000009 R08: 0000000000000068 R09: 0000000000000000 [ 18.845268][ T310] R10: 00007f313731bac0 R11: 0000000000000246 R12: 00007ffc71ebf4e0 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create