====================================== | [ 32.121195][ T403] ------------[ cut here ]------------ | [ 32.121437][ T403] DEBUG_LOCKS_WARN_ON(1) | [ 32.121456][ T403] WARNING: CPU: 2 PID: 403 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 32.122095][ T403] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 32.123055][ T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.123337][ T403] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 32.123653][ T403] Code: ff 4c 89 e6 48 c7 c7 28 3d fd a5 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff f6 a5 48 c7 c7 3b fc f6 a5 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 f7 a5 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d fd a5 mov $0xffffffffa5fd3d28,%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 a5 mov $0xffffffffa5f6ffee,%rsi 1d: 48 c7 c7 3b fc f6 a5 mov $0xffffffffa5f6fc3b,%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 a5 mov $0xffffffffa5f7012a,%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 a5 mov $0xffffffffa5f7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 32.124479][ T403] RSP: 0018:ffffc900009b7018 EFLAGS: 00010282 [ 32.124819][ T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 32.125172][ T403] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 32.125504][ T403] RBP: ffffe8ffffc04570 R08: 0000000000000000 R09: fffffbfff4c7e10c [ 32.125865][ T403] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800ee12e60 [ 32.126196][ T403] R13: 0000000000000000 R14: ffffe8ffffc04358 R15: ffffe8ffffc04300 [ 32.126564][ T403] FS: 00007efecfd10800(0000) GS:ffff88808eaf2000(0000) knlGS:0000000000000000 [ 32.127010][ T403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.127277][ T403] CR2: 000056047de651a0 CR3: 000000000de47004 CR4: 0000000000772ef0 [ 32.127628][ T403] PKRU: 55555554 [ 32.127823][ T403] Call Trace: [ 32.128006][ T403] [ 32.128132][ T403] 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) [ 32.128368][ T403] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 32.128615][ T403] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 32.128873][ T403] register_netdevice (net/core/dev.c:11309) [ 32.129093][ T403] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 32.129323][ T403] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 32.129612][ T403] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 32.129914][ T403] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 32.130193][ T403] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 32.130418][ T403] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 32.130665][ T403] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 32.130954][ T403] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 32.131222][ T403] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 32.131471][ T403] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 32.131718][ T403] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 32.131991][ T403] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 32.132251][ T403] ? __dev_get_by_name (net/core/dev.c:865) [ 32.132494][ T403] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 32.132762][ T403] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 32.133091][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 32.133316][ T403] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 32.133559][ T403] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 32.133824][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 32.134067][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 32.134299][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 32.134516][ T403] ? __lock_release (kernel/locking/lockdep.c:5536) [ 32.134801][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 32.135045][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 32.135271][ T403] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 32.135516][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 32.135756][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 32.136026][ T403] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 32.136278][ T403] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 32.136511][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 32.136763][ T403] ? 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) [ 32.137026][ T403] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 32.137301][ T403] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 32.137571][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 32.137821][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 32.138091][ T403] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 32.138348][ T403] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 32.138591][ T403] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 32.138847][ T403] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 32.139077][ T403] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 32.139361][ T403] ? __copy_msghdr (net/socket.c:2556) [ 32.139606][ T403] ___sys_sendmsg (net/socket.c:2686) [ 32.139853][ T403] ? copy_msghdr_from_user (net/socket.c:2673) [ 32.140083][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.140310][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.140548][ T403] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 32.140806][ T403] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 32.141051][ T403] __sys_sendmsg (net/socket.c:2716) [ 32.141289][ T403] ? __sys_sendmsg_sock (net/socket.c:2701) [ 32.141541][ T403] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 32.141843][ T403] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 32.142084][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 32.142349][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 32.142610][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 32.142906][ T403] RIP: 0033:0x7efecfede1d7 [ 32.143165][ T403] Code: Unable to access opcode bytes at 0x7efecfede1ad. Code starting with the faulting instruction =========================================== [ 32.143496][ T403] RSP: 002b:00007fff13c4a978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.143847][ T403] RAX: ffffffffffffffda RBX: 00007fff13c4b0a0 RCX: 00007efecfede1d7 [ 32.144192][ T403] RDX: 0000000000000000 RSI: 00007fff13c4a9e0 RDI: 0000000000000005 [ 32.144544][ T403] RBP: 000000000000000c R08: 0000000000000074 R09: 0000000000000000 [ 32.144911][ T403] R10: 00007efecfdd5770 R11: 0000000000000246 R12: 00007fff13c4b0c8 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create