====================================== | [ 22.780071][ T342] ------------[ cut here ]------------ | [ 22.780291][ T342] DEBUG_LOCKS_WARN_ON(1) | [ 22.780308][ T342] WARNING: CPU: 0 PID: 342 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 22.780833][ T342] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 22.781549][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.781787][ T342] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 22.782048][ T342] Code: ff 4c 89 e6 48 c7 c7 28 3d 9d a5 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 96 a5 48 c7 c7 3b fc 96 a5 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 97 a5 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 9d a5 mov $0xffffffffa59d3d28,%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 96 a5 mov $0xffffffffa596ffee,%rsi 1d: 48 c7 c7 3b fc 96 a5 mov $0xffffffffa596fc3b,%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 97 a5 mov $0xffffffffa597012a,%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 97 a5 mov $0xffffffffa597012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 22.782703][ T342] RSP: 0018:ffffc900006d7018 EFLAGS: 00010282 [ 22.782958][ T342] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 22.783238][ T342] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 22.783518][ T342] RBP: ffffe8ffffc04f30 R08: 0000000000000000 R09: fffffbfff4bbe10c [ 22.783802][ T342] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800bf52e60 [ 22.784087][ T342] R13: 0000000000000000 R14: ffffe8ffffc04d18 R15: ffffe8ffffc04cc0 [ 22.784363][ T342] FS: 00007f3b8bcdc800(0000) GS:ffff88808eff2000(0000) knlGS:0000000000000000 [ 22.784688][ T342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.784931][ T342] CR2: 00007f3b8bde7aa0 CR3: 00000000094b7004 CR4: 0000000000772ef0 [ 22.785222][ T342] PKRU: 55555554 [ 22.785375][ T342] Call Trace: [ 22.785519][ T342] [ 22.785617][ T342] 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) [ 22.785831][ T342] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 22.786028][ T342] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 22.786226][ T342] register_netdevice (net/core/dev.c:11309) [ 22.786409][ T342] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 22.786602][ T342] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 22.786834][ T342] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 22.787076][ T342] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 22.787309][ T342] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 22.787499][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 22.787683][ T342] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 22.787877][ T342] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 22.788076][ T342] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 22.788272][ T342] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 22.788462][ T342] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 22.788647][ T342] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 22.788831][ T342] ? __dev_get_by_name (net/core/dev.c:865) [ 22.789019][ T342] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 22.789203][ T342] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 22.789430][ T342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 22.789610][ T342] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 22.789806][ T342] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 22.789999][ T342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 22.790187][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 22.790372][ T342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 22.790552][ T342] ? __lock_release (kernel/locking/lockdep.c:5536) [ 22.790741][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 22.790931][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 22.791116][ T342] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 22.791299][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 22.791483][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 22.791664][ T342] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 22.791851][ T342] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 22.792044][ T342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 22.792229][ T342] ? 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) [ 22.792412][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 22.792594][ T342] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 22.792786][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 22.792979][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 22.793162][ T342] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 22.793343][ T342] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 22.793526][ T342] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 22.793707][ T342] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 22.793897][ T342] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 22.794139][ T342] ? __copy_msghdr (net/socket.c:2556) [ 22.794326][ T342] ___sys_sendmsg (net/socket.c:2686) [ 22.794509][ T342] ? copy_msghdr_from_user (net/socket.c:2673) [ 22.794690][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.794879][ T342] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.795067][ T342] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 22.795255][ T342] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 22.795438][ T342] __sys_sendmsg (net/socket.c:2716) [ 22.795625][ T342] ? __sys_sendmsg_sock (net/socket.c:2701) [ 22.795825][ T342] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 22.796062][ T342] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 22.796247][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 22.796433][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.796616][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.796850][ T342] RIP: 0033:0x7f3b8beaa1d7 [ 22.797062][ T342] Code: Unable to access opcode bytes at 0x7f3b8beaa1ad. Code starting with the faulting instruction =========================================== [ 22.797299][ T342] RSP: 002b:00007fff96628538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.797576][ T342] RAX: ffffffffffffffda RBX: 00007fff96628c60 RCX: 00007f3b8beaa1d7 [ 22.797875][ T342] RDX: 0000000000000000 RSI: 00007fff966285a0 RDI: 0000000000000005 [ 22.798158][ T342] RBP: 000000000000000c R08: 0000000000000078 R09: 0000000000000000 [ 22.798437][ T342] R10: 00007f3b8bda1770 R11: 0000000000000246 R12: 00007fff96628c80 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create