====================================== | [ 247.482473][ T1918] ------------[ cut here ]------------ | [ 247.482699][ T1918] DEBUG_LOCKS_WARN_ON(1) | [ 247.482716][ T1918] WARNING: CPU: 3 PID: 1918 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 247.483299][ T1918] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 247.484255][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 247.484646][ T1918] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 247.484895][ T1918] Code: ff 4c 89 e6 48 c7 c7 28 3d bd a9 e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff b6 a9 48 c7 c7 3b fc b6 a9 e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 b7 a9 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d bd a9 mov $0xffffffffa9bd3d28,%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 b6 a9 mov $0xffffffffa9b6ffee,%rsi 1d: 48 c7 c7 3b fc b6 a9 mov $0xffffffffa9b6fc3b,%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 b7 a9 mov $0xffffffffa9b7012a,%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 b7 a9 mov $0xffffffffa9b7012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 247.485728][ T1918] RSP: 0018:ffffc900037df018 EFLAGS: 00010282 [ 247.485976][ T1918] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 247.486254][ T1918] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 247.486670][ T1918] RBP: ffffe8ffffc049a0 R08: 0000000000000000 R09: fffffbfff53fe10c [ 247.486959][ T1918] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800e982e60 [ 247.487234][ T1918] R13: 0000000000000000 R14: ffffe8ffffc04788 R15: ffffe8ffffc04730 [ 247.487638][ T1918] FS: 00007fcdaa8b0800(0000) GS:ffff88808af72000(0000) knlGS:0000000000000000 [ 247.487976][ T1918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.488209][ T1918] CR2: 00007f4ea17da000 CR3: 000000000ea02003 CR4: 0000000000772ef0 [ 247.488660][ T1918] PKRU: 55555554 [ 247.488836][ T1918] Call Trace: [ 247.489025][ T1918] [ 247.489142][ T1918] 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) [ 247.489370][ T1918] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 247.489736][ T1918] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 247.489984][ T1918] register_netdevice (net/core/dev.c:11309) [ 247.490209][ T1918] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 247.490447][ T1918] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 247.490855][ T1918] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 247.491146][ T1918] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 247.491433][ T1918] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 247.491990][ T1918] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 247.492239][ T1918] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 247.492643][ T1918] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 247.492880][ T1918] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 247.493118][ T1918] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 247.493314][ T1918] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 247.493656][ T1918] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 247.493841][ T1918] ? __dev_get_by_name (net/core/dev.c:865) [ 247.494086][ T1918] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 247.494276][ T1918] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 247.494700][ T1918] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 247.494884][ T1918] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 247.495077][ T1918] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 247.495262][ T1918] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 247.495445][ T1918] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 247.495783][ T1918] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 247.495977][ T1918] ? __lock_release (kernel/locking/lockdep.c:5536) [ 247.496167][ T1918] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 247.496349][ T1918] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 247.496685][ T1918] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 247.496868][ T1918] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 247.497063][ T1918] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 247.497246][ T1918] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 247.497430][ T1918] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 247.497621][ T1918] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 247.497808][ T1918] ? 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) [ 247.498002][ T1918] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 247.498186][ T1918] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 247.498367][ T1918] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 247.498558][ T1918] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 247.498741][ T1918] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 247.498930][ T1918] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 247.499124][ T1918] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 247.499305][ T1918] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 247.499495][ T1918] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 247.499718][ T1918] ? __copy_msghdr (net/socket.c:2556) [ 247.499911][ T1918] ___sys_sendmsg (net/socket.c:2686) [ 247.500102][ T1918] ? copy_msghdr_from_user (net/socket.c:2673) [ 247.500286][ T1918] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 247.500478][ T1918] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 247.500667][ T1918] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 247.500856][ T1918] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 247.501048][ T1918] __sys_sendmsg (net/socket.c:2716) [ 247.501233][ T1918] ? __sys_sendmsg_sock (net/socket.c:2701) [ 247.501413][ T1918] ? __rseq_handle_notify_resume (kernel/rseq.c:442) [ 247.501649][ T1918] ? do_user_addr_fault (./include/linux/mmap_lock.h:396 arch/x86/mm/fault.c:1415) [ 247.501835][ T1918] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 247.502034][ T1918] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 247.502220][ T1918] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.502444][ T1918] RIP: 0033:0x7fcdaaa7e1d7 [ 247.502645][ T1918] Code: Unable to access opcode bytes at 0x7fcdaaa7e1ad. Code starting with the faulting instruction =========================================== [ 247.502879][ T1918] RSP: 002b:00007ffdc71daf38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.503158][ T1918] RAX: ffffffffffffffda RBX: 00007ffdc71db660 RCX: 00007fcdaaa7e1d7 [ 247.503439][ T1918] RDX: 0000000000000000 RSI: 00007ffdc71dafa0 RDI: 0000000000000005 [ 247.503721][ T1918] RBP: 000000000000000e R08: 0000000000000080 R09: 0000000000000000 [ 247.504019][ T1918] R10: 00007fcdaa975770 R11: 0000000000000246 R12: 00007ffdc71db680 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create