====================================== | [ 119.324686][ T1190] ------------[ cut here ]------------ | [ 119.324944][ T1190] DEBUG_LOCKS_WARN_ON(1) | [ 119.324966][ T1190] WARNING: CPU: 2 PID: 1190 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 119.325646][ T1190] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 119.326526][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.326805][ T1190] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 119.327091][ T1190] Code: ff 4c 89 e6 48 c7 c7 28 3d 5d ac e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 56 ac 48 c7 c7 3b fc 56 ac e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 57 ac 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 5d ac mov $0xffffffffac5d3d28,%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 56 ac mov $0xffffffffac56ffee,%rsi 1d: 48 c7 c7 3b fc 56 ac mov $0xffffffffac56fc3b,%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 57 ac mov $0xffffffffac57012a,%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 57 ac mov $0xffffffffac57012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 119.327804][ T1190] RSP: 0018:ffffc900008f7018 EFLAGS: 00010282 [ 119.328094][ T1190] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 119.328413][ T1190] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 119.328732][ T1190] RBP: ffffe8ffffc04d30 R08: 0000000000000000 R09: fffffbfff593e10c [ 119.329054][ T1190] R10: 0000000000000003 R11: 0000000000000004 R12: ffff888008b02e60 [ 119.329374][ T1190] R13: 0000000000000000 R14: ffffe8ffffc04b18 R15: ffffe8ffffc04ac0 [ 119.329689][ T1190] FS: 00007fa06dd4f800(0000) GS:ffff8880884f2000(0000) knlGS:0000000000000000 [ 119.330224][ T1190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.330628][ T1190] CR2: 00007f637c132000 CR3: 000000000aa65001 CR4: 0000000000772ef0 [ 119.331097][ T1190] PKRU: 55555554 [ 119.331412][ T1190] Call Trace: [ 119.331733][ T1190] [ 119.332000][ T1190] 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) [ 119.332393][ T1190] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 119.332742][ T1190] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 119.333265][ T1190] register_netdevice (net/core/dev.c:11309) [ 119.333640][ T1190] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 119.334024][ T1190] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 119.334451][ T1190] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 119.334879][ T1190] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 119.335278][ T1190] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 119.335500][ T1190] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 119.335721][ T1190] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 119.335958][ T1190] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 119.336185][ T1190] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 119.336420][ T1190] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 119.336645][ T1190] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 119.336871][ T1190] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 119.337090][ T1190] ? __dev_get_by_name (net/core/dev.c:865) [ 119.337311][ T1190] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 119.337530][ T1190] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 119.337799][ T1190] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 119.338028][ T1190] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 119.338250][ T1190] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 119.338476][ T1190] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 119.338697][ T1190] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 119.338925][ T1190] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 119.339150][ T1190] ? __lock_release (kernel/locking/lockdep.c:5536) [ 119.339377][ T1190] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 119.339596][ T1190] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 119.339820][ T1190] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 119.340046][ T1190] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 119.340268][ T1190] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 119.340493][ T1190] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 119.340709][ T1190] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 119.340938][ T1190] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 119.341153][ T1190] ? 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) [ 119.341374][ T1190] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 119.341609][ T1190] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 119.341864][ T1190] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 119.342106][ T1190] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 119.342345][ T1190] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 119.342588][ T1190] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 119.342850][ T1190] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 119.343101][ T1190] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 119.343356][ T1190] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 119.343651][ T1190] ? __copy_msghdr (net/socket.c:2556) [ 119.343907][ T1190] ___sys_sendmsg (net/socket.c:2686) [ 119.344142][ T1190] ? copy_msghdr_from_user (net/socket.c:2673) [ 119.344382][ T1190] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 119.344636][ T1190] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 119.344870][ T1190] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 119.345102][ T1190] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 119.345322][ T1190] __sys_sendmsg (net/socket.c:2716) [ 119.345540][ T1190] ? __sys_sendmsg_sock (net/socket.c:2701) [ 119.345756][ T1190] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 119.346039][ T1190] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 119.346272][ T1190] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 119.346498][ T1190] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 119.346722][ T1190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 119.347005][ T1190] RIP: 0033:0x7fa06df1d1d7 [ 119.347240][ T1190] Code: Unable to access opcode bytes at 0x7fa06df1d1ad. Code starting with the faulting instruction =========================================== [ 119.347514][ T1190] RSP: 002b:00007fff2f5a4fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.347845][ T1190] RAX: ffffffffffffffda RBX: 00007fff2f5a5700 RCX: 00007fa06df1d1d7 [ 119.348162][ T1190] RDX: 0000000000000000 RSI: 00007fff2f5a5040 RDI: 0000000000000005 [ 119.348484][ T1190] RBP: 000000000000000c R08: 0000000000000074 R09: 0000000000000000 [ 119.348816][ T1190] R10: 00007fa06de14770 R11: 0000000000000246 R12: 00007fff2f5a5728 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create