====================================== | [ 33.596922][ T681] ------------[ cut here ]------------ | [ 33.597170][ T681] DEBUG_LOCKS_WARN_ON(1) | [ 33.597214][ T681] WARNING: CPU: 0 PID: 681 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 33.597892][ T681] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel dummy act_gact cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 33.598752][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.598993][ T681] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 33.599255][ T681] Code: ff 4c 89 e6 48 c7 c7 28 3d 1d 8d e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 16 8d 48 c7 c7 3b fc 16 8d e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 17 8d 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 1d 8d mov $0xffffffff8d1d3d28,%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 16 8d mov $0xffffffff8d16ffee,%rsi 1d: 48 c7 c7 3b fc 16 8d mov $0xffffffff8d16fc3b,%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 17 8d mov $0xffffffff8d17012a,%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 17 8d mov $0xffffffff8d17012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 33.599917][ T681] RSP: 0018:ffffc90000d8f018 EFLAGS: 00010282 [ 33.600175][ T681] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 33.600461][ T681] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 33.600741][ T681] RBP: ffffe8ffffc07cb0 R08: 0000000000000000 R09: fffffbfff1abe10c [ 33.601027][ T681] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800f0eae60 [ 33.601317][ T681] R13: 0000000000000000 R14: ffffe8ffffc07a98 R15: ffffe8ffffc07a40 [ 33.601610][ T681] FS: 00007f31efe35800(0000) GS:ffff8880a77f2000(0000) knlGS:0000000000000000 [ 33.601937][ T681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.602190][ T681] CR2: 00000000004e6838 CR3: 000000000ed39005 CR4: 0000000000772ef0 [ 33.602478][ T681] PKRU: 55555554 [ 33.602626][ T681] Call Trace: [ 33.602766][ T681] [ 33.602866][ T681] 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) [ 33.603079][ T681] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 33.603287][ T681] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 33.603493][ T681] register_netdevice (net/core/dev.c:11309) [ 33.603684][ T681] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 33.603879][ T681] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 33.604241][ T681] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3890) vxlan [ 33.604480][ T681] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 33.604676][ T681] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 33.604996][ T681] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 33.605193][ T681] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 33.605387][ T681] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 33.605581][ T681] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 33.605887][ T681] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 33.606079][ T681] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 33.606288][ T681] ? __dev_get_by_name (net/core/dev.c:865) [ 33.606478][ T681] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 33.606780][ T681] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 33.607020][ T681] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 33.607209][ T681] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 33.607398][ T681] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 33.607703][ T681] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 33.607889][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 33.608094][ T681] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 33.608283][ T681] ? __lock_release (kernel/locking/lockdep.c:5536) [ 33.608585][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 33.608771][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 33.608960][ T681] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 33.609146][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 33.609458][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.609647][ T681] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 33.609831][ T681] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 33.610025][ T681] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 33.610330][ T681] ? 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) [ 33.610511][ T681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 33.610695][ T681] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 33.610875][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 33.611189][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 33.611374][ T681] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 33.611565][ T681] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 33.611762][ T681] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 33.612068][ T681] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 33.612272][ T681] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 33.612506][ T681] ? __copy_msghdr (net/socket.c:2556) [ 33.612698][ T681] ___sys_sendmsg (net/socket.c:2686) [ 33.613008][ T681] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 33.613208][ T681] ? __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) [ 33.613446][ T681] ? copy_msghdr_from_user (net/socket.c:2673) [ 33.613746][ T681] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 33.613932][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 33.614124][ T681] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 33.614316][ T681] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 33.614629][ T681] ? __lock_release (kernel/locking/lockdep.c:5536) [ 33.614817][ T681] __sys_sendmsg (net/socket.c:2716) [ 33.615014][ T681] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 33.615251][ T681] ? __sys_sendmsg_sock (net/socket.c:2701) [ 33.615555][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 33.615744][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 33.615935][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.616191][ T681] RIP: 0033:0x7f31f00031d7 [ 33.616516][ T681] Code: Unable to access opcode bytes at 0x7f31f00031ad. Code starting with the faulting instruction =========================================== [ 33.616762][ T681] RSP: 002b:00007ffe6fb66568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.617051][ T681] RAX: ffffffffffffffda RBX: 00007ffe6fb66c90 RCX: 00007f31f00031d7 [ 33.617459][ T681] RDX: 0000000000000000 RSI: 00007ffe6fb665d0 RDI: 0000000000000005 [ 33.617733][ T681] RBP: 0000000000000010 R08: 0000000000000088 R09: 0000000000000078 [ 33.618149][ T681] R10: 00007f31efefff60 R11: 0000000000000246 R12: 00007ffe6fb66cb8 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create