====================================== | [ 20.988131][ T322] ------------[ cut here ]------------ | [ 20.988316][ T322] DEBUG_LOCKS_WARN_ON(1) | [ 20.988332][ T322] WARNING: CPU: 3 PID: 322 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 20.988854][ T322] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 20.989544][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.989781][ T322] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 20.990016][ T322] Code: ff 4c 89 e6 48 c7 c7 28 3d 5d a5 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 56 a5 48 c7 c7 3b fc 56 a5 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 57 a5 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 5d a5 mov $0xffffffffa55d3d28,%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 a5 mov $0xffffffffa556ffee,%rsi 1d: 48 c7 c7 3b fc 56 a5 mov $0xffffffffa556fc3b,%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 a5 mov $0xffffffffa557012a,%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 a5 mov $0xffffffffa557012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 20.990660][ T322] RSP: 0018:ffffc900005e7018 EFLAGS: 00010282 [ 20.990897][ T322] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 20.991173][ T322] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 20.991447][ T322] RBP: ffffe8ffffc04770 R08: 0000000000000000 R09: fffffbfff4b3e10c [ 20.991732][ T322] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800c102e60 [ 20.992007][ T322] R13: 0000000000000000 R14: ffffe8ffffc04558 R15: ffffe8ffffc04500 [ 20.992275][ T322] FS: 00007feba1419800(0000) GS:ffff888089972000(0000) knlGS:0000000000000000 [ 20.992594][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.992834][ T322] CR2: 00007feba1524aa0 CR3: 000000000cb9c003 CR4: 0000000000772ef0 [ 20.993107][ T322] PKRU: 55555554 [ 20.993245][ T322] Call Trace: [ 20.993384][ T322] [ 20.993478][ T322] 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) [ 20.993665][ T322] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 20.993865][ T322] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 20.994052][ T322] register_netdevice (net/core/dev.c:11309) [ 20.994234][ T322] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 20.994424][ T322] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 20.994648][ T322] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 20.994887][ T322] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 20.995123][ T322] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 20.995313][ T322] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 20.995494][ T322] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 20.995689][ T322] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 20.995887][ T322] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 20.996082][ T322] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 20.996265][ T322] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 20.996446][ T322] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 20.996625][ T322] ? __dev_get_by_name (net/core/dev.c:865) [ 20.996816][ T322] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 20.997003][ T322] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 20.997230][ T322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 20.997411][ T322] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 20.997594][ T322] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 20.997786][ T322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 20.997969][ T322] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 20.998153][ T322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 20.998335][ T322] ? __lock_release (kernel/locking/lockdep.c:5536) [ 20.998520][ T322] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 20.998706][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 20.998890][ T322] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 20.999082][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 20.999266][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 20.999448][ T322] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 20.999627][ T322] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 20.999826][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 21.000006][ T322] ? 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) [ 21.000186][ T322] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 21.000366][ T322] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 21.000547][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 21.000737][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 21.000920][ T322] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 21.001124][ T322] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 21.001314][ T322] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 21.001496][ T322] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 21.001678][ T322] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 21.001916][ T322] ? __copy_msghdr (net/socket.c:2556) [ 21.002102][ T322] ___sys_sendmsg (net/socket.c:2686) [ 21.002284][ T322] ? copy_msghdr_from_user (net/socket.c:2673) [ 21.002466][ T322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.002654][ T322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.002842][ T322] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 21.003029][ T322] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 21.003213][ T322] __sys_sendmsg (net/socket.c:2716) [ 21.003394][ T322] ? __sys_sendmsg_sock (net/socket.c:2701) [ 21.003575][ T322] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 21.003813][ T322] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 21.004003][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 21.004188][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 21.004370][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.004594][ T322] RIP: 0033:0x7feba15e71d7 [ 21.004798][ T322] Code: Unable to access opcode bytes at 0x7feba15e71ad. Code starting with the faulting instruction =========================================== [ 21.005033][ T322] RSP: 002b:00007fffbc115818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.005310][ T322] RAX: ffffffffffffffda RBX: 00007fffbc115f40 RCX: 00007feba15e71d7 [ 21.005587][ T322] RDX: 0000000000000000 RSI: 00007fffbc115880 RDI: 0000000000000005 [ 21.005868][ T322] RBP: 000000000000000e R08: 0000000000000080 R09: 0000000000000000 [ 21.006140][ T322] R10: 00007feba14de770 R11: 0000000000000246 R12: 00007fffbc115f60 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create