====================================== | [ 24.251119][ T341] ------------[ cut here ]------------ | [ 24.251349][ T341] DEBUG_LOCKS_WARN_ON(1) | [ 24.251365][ T341] WARNING: CPU: 2 PID: 341 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 24.252197][ T341] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 24.253516][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.253963][ T341] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 24.254274][ T341] Code: ff 4c 89 e6 48 c7 c7 28 3d 5d 99 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 56 99 48 c7 c7 3b fc 56 99 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 57 99 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 5d 99 mov $0xffffffff995d3d28,%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 99 mov $0xffffffff9956ffee,%rsi 1d: 48 c7 c7 3b fc 56 99 mov $0xffffffff9956fc3b,%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 99 mov $0xffffffff9957012a,%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 99 mov $0xffffffff9957012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 24.255031][ T341] RSP: 0018:ffffc900004f7018 EFLAGS: 00010282 [ 24.255308][ T341] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 24.255639][ T341] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 24.256130][ T341] RBP: ffffe8ffffc04f70 R08: 0000000000000000 R09: fffffbfff333e10c [ 24.256533][ T341] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800b49ae60 [ 24.256925][ T341] R13: 0000000000000000 R14: ffffe8ffffc04d58 R15: ffffe8ffffc04d00 [ 24.257263][ T341] FS: 00007fbe7eed5800(0000) GS:ffff88809b4f2000(0000) knlGS:0000000000000000 [ 24.257701][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.257992][ T341] CR2: 00007fbe7efe0aa0 CR3: 000000000dbb1003 CR4: 0000000000772ef0 [ 24.258395][ T341] PKRU: 55555554 [ 24.258565][ T341] Call Trace: [ 24.258747][ T341] [ 24.258905][ T341] 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) [ 24.259132][ T341] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 24.259386][ T341] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 24.259606][ T341] register_netdevice (net/core/dev.c:11309) [ 24.259903][ T341] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 24.260122][ T341] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 24.260375][ T341] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 24.260641][ T341] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 24.260916][ T341] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 24.261159][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 24.261481][ T341] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 24.261784][ T341] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 24.262107][ T341] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 24.262439][ T341] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 24.262757][ T341] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 24.263069][ T341] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 24.263389][ T341] ? __dev_get_by_name (net/core/dev.c:865) [ 24.263719][ T341] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 24.264032][ T341] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 24.264438][ T341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 24.264708][ T341] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 24.265009][ T341] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 24.265337][ T341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 24.265657][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.266010][ T341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 24.266289][ T341] ? __lock_release (kernel/locking/lockdep.c:5536) [ 24.266587][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 24.266918][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 24.267234][ T341] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.267561][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.267906][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 24.268230][ T341] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 24.268502][ T341] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 24.268779][ T341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 24.269075][ T341] ? 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) [ 24.269330][ T341] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 24.269570][ T341] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 24.269853][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 24.270080][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 24.270290][ T341] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.270491][ T341] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 24.270807][ T341] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 24.271124][ T341] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 24.271442][ T341] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 24.271836][ T341] ? __copy_msghdr (net/socket.c:2556) [ 24.272134][ T341] ___sys_sendmsg (net/socket.c:2686) [ 24.272459][ T341] ? copy_msghdr_from_user (net/socket.c:2673) [ 24.272838][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.273191][ T341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.273531][ T341] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 24.273918][ T341] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 24.274253][ T341] __sys_sendmsg (net/socket.c:2716) [ 24.274499][ T341] ? __sys_sendmsg_sock (net/socket.c:2701) [ 24.274727][ T341] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 24.275030][ T341] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 24.275256][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 24.275471][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.275717][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.276092][ T341] RIP: 0033:0x7fbe7f0a31d7 [ 24.276407][ T341] Code: Unable to access opcode bytes at 0x7fbe7f0a31ad. Code starting with the faulting instruction =========================================== [ 24.276751][ T341] RSP: 002b:00007ffc4d6e5238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.277191][ T341] RAX: ffffffffffffffda RBX: 00007ffc4d6e5960 RCX: 00007fbe7f0a31d7 [ 24.277654][ T341] RDX: 0000000000000000 RSI: 00007ffc4d6e52a0 RDI: 0000000000000005 [ 24.278147][ T341] RBP: 000000000000000c R08: 0000000000000078 R09: 0000000000000000 [ 24.278638][ T341] R10: 00007fbe7ef9a770 R11: 0000000000000246 R12: 00007ffc4d6e5980 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create