====================================== | [ 18.930820][ T309] ------------[ cut here ]------------ | [ 18.931066][ T309] DEBUG_LOCKS_WARN_ON(1) | [ 18.931083][ T309] WARNING: CPU: 2 PID: 309 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 18.931684][ T309] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel vrf veth [ 18.932405][ T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.932682][ T309] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 18.932984][ T309] Code: ff 4c 89 e6 48 c7 c7 28 3d fd ab e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff f6 ab 48 c7 c7 3b fc f6 ab e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 f7 ab 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d fd ab mov $0xffffffffabfd3d28,%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 f6 ab mov $0xffffffffabf6ffee,%rsi 1d: 48 c7 c7 3b fc f6 ab mov $0xffffffffabf6fc3b,%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 f7 ab mov $0xffffffffabf7012a,%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 f7 ab mov $0xffffffffabf7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 18.933725][ T309] RSP: 0018:ffffc90000637018 EFLAGS: 00010282 [ 18.934028][ T309] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 18.934354][ T309] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 18.934683][ T309] RBP: ffffe8ffffc03af0 R08: 0000000000000000 R09: fffffbfff587e10c [ 18.935019][ T309] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800bb6ae60 [ 18.935337][ T309] R13: 0000000000000000 R14: ffffe8ffffc038d8 R15: ffffe8ffffc03880 [ 18.935671][ T309] FS: 00007f015ddd0800(0000) GS:ffff888088af2000(0000) knlGS:0000000000000000 [ 18.936055][ T309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.936329][ T309] CR2: 00007f620a5775c0 CR3: 000000000a5a7002 CR4: 0000000000772ef0 [ 18.936661][ T309] PKRU: 55555554 [ 18.936833][ T309] Call Trace: [ 18.937020][ T309] [ 18.937144][ T309] 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) [ 18.937379][ T309] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 18.937622][ T309] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 18.937852][ T309] register_netdevice (net/core/dev.c:11309) [ 18.938085][ T309] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 18.938319][ T309] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 18.938596][ T309] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3890) vxlan [ 18.938884][ T309] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 18.939119][ T309] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 18.939343][ T309] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 18.939582][ T309] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 18.939821][ T309] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 18.940077][ T309] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 18.940300][ T309] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 18.940560][ T309] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 18.940789][ T309] ? __dev_get_by_name (net/core/dev.c:865) [ 18.941024][ T309] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 18.941245][ T309] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 18.941566][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 18.941785][ T309] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 18.942029][ T309] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 18.942237][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 18.942460][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 18.942673][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 18.942888][ T309] ? __lock_release (kernel/locking/lockdep.c:5536) [ 18.943094][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 18.943299][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 18.943535][ T309] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 18.943751][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.943983][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 18.944190][ T309] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 18.944412][ T309] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 18.944655][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 18.944870][ T309] ? 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) [ 18.945083][ T309] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 18.945289][ T309] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 18.945491][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.945707][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 18.945927][ T309] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 18.946135][ T309] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 18.946345][ T309] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 18.946548][ T309] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 18.946775][ T309] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 18.947033][ T309] ? __copy_msghdr (net/socket.c:2556) [ 18.947243][ T309] ___sys_sendmsg (net/socket.c:2686) [ 18.947445][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 18.947661][ T309] ? __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) [ 18.947933][ T309] ? copy_msghdr_from_user (net/socket.c:2673) [ 18.948141][ T309] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 18.948352][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 18.948560][ T309] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 18.948777][ T309] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 18.949002][ T309] ? __lock_release (kernel/locking/lockdep.c:5536) [ 18.949210][ T309] __sys_sendmsg (net/socket.c:2716) [ 18.949416][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 18.949675][ T309] ? __sys_sendmsg_sock (net/socket.c:2701) [ 18.949896][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 18.950109][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 18.950320][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 18.950602][ T309] RIP: 0033:0x7f015df9e1d7 [ 18.950823][ T309] Code: Unable to access opcode bytes at 0x7f015df9e1ad. Code starting with the faulting instruction =========================================== [ 18.951093][ T309] RSP: 002b:00007ffdf049b898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.951398][ T309] RAX: ffffffffffffffda RBX: 00007ffdf049bfc0 RCX: 00007f015df9e1d7 [ 18.951714][ T309] RDX: 0000000000000000 RSI: 00007ffdf049b900 RDI: 0000000000000005 [ 18.952020][ T309] RBP: 0000000000000009 R08: 0000000000000068 R09: 0000000000000000 [ 18.952317][ T309] R10: 00007f015e02cac0 R11: 0000000000000246 R12: 00007ffdf049bfe0 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create