====================================== | [ 40.792136][ T684] ------------[ cut here ]------------ | [ 40.792490][ T684] DEBUG_LOCKS_WARN_ON(1) | [ 40.792553][ T684] WARNING: CPU: 1 PID: 684 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 40.793733][ T684] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel dummy act_gact cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 40.795082][ T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.795486][ T684] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 40.795942][ T684] Code: ff 4c 89 e6 48 c7 c7 28 3d 3d bd e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 36 bd 48 c7 c7 3b fc 36 bd e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 37 bd 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 3d bd mov $0xffffffffbd3d3d28,%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 36 bd mov $0xffffffffbd36ffee,%rsi 1d: 48 c7 c7 3b fc 36 bd mov $0xffffffffbd36fc3b,%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 37 bd mov $0xffffffffbd37012a,%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 37 bd mov $0xffffffffbd37012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 40.797041][ T684] RSP: 0018:ffffc90000caf018 EFLAGS: 00010282 [ 40.797460][ T684] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.797939][ T684] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 40.798403][ T684] RBP: ffffe8ffffc079f0 R08: 0000000000000000 R09: fffffbfff7afe10c [ 40.798878][ T684] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800bdaae60 [ 40.799352][ T684] R13: 0000000000000000 R14: ffffe8ffffc077d8 R15: ffffe8ffffc07780 [ 40.799840][ T684] FS: 00007fb68843b800(0000) GS:ffff888071c72000(0000) knlGS:0000000000000000 [ 40.800395][ T684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.800818][ T684] CR2: 00000000004e6838 CR3: 000000000ed8d006 CR4: 0000000000772ef0 [ 40.801274][ T684] PKRU: 55555554 [ 40.801510][ T684] Call Trace: [ 40.801780][ T684] [ 40.801944][ T684] 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) [ 40.802273][ T684] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 40.802599][ T684] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 40.802963][ T684] register_netdevice (net/core/dev.c:11309) [ 40.803297][ T684] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 40.803627][ T684] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 40.804069][ T684] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3890) vxlan [ 40.804503][ T684] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 40.804838][ T684] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 40.805168][ T684] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 40.805518][ T684] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 40.805859][ T684] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 40.806233][ T684] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 40.806557][ T684] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 40.806911][ T684] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 40.807226][ T684] ? __dev_get_by_name (net/core/dev.c:865) [ 40.807537][ T684] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 40.807874][ T684] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 40.808281][ T684] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 40.808629][ T684] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 40.808963][ T684] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 40.809279][ T684] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 40.809601][ T684] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 40.809919][ T684] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 40.810234][ T684] ? __lock_release (kernel/locking/lockdep.c:5536) [ 40.810549][ T684] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 40.810851][ T684] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 40.811157][ T684] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 40.811498][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 40.811822][ T684] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 40.812141][ T684] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 40.812460][ T684] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 40.812780][ T684] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 40.813089][ T684] ? 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) [ 40.813400][ T684] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 40.813729][ T684] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 40.814034][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 40.814343][ T684] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 40.814651][ T684] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 40.814975][ T684] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 40.815306][ T684] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 40.815624][ T684] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 40.815947][ T684] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 40.816344][ T684] ? __copy_msghdr (net/socket.c:2556) [ 40.816679][ T684] ___sys_sendmsg (net/socket.c:2686) [ 40.816975][ T684] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 40.817294][ T684] ? __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) [ 40.817714][ T684] ? copy_msghdr_from_user (net/socket.c:2673) [ 40.817981][ T684] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 40.818286][ T684] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 40.818576][ T684] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 40.818882][ T684] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 40.819190][ T684] ? __lock_release (kernel/locking/lockdep.c:5536) [ 40.819502][ T684] __sys_sendmsg (net/socket.c:2716) [ 40.819817][ T684] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 40.820196][ T684] ? __sys_sendmsg_sock (net/socket.c:2701) [ 40.820531][ T684] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 40.820844][ T684] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 40.821179][ T684] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 40.821553][ T684] RIP: 0033:0x7fb6886091d7 [ 40.821914][ T684] Code: Unable to access opcode bytes at 0x7fb6886091ad. Code starting with the faulting instruction =========================================== [ 40.822311][ T684] RSP: 002b:00007ffe4245c5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.822761][ T684] RAX: ffffffffffffffda RBX: 00007ffe4245ccf0 RCX: 00007fb6886091d7 [ 40.823231][ T684] RDX: 0000000000000000 RSI: 00007ffe4245c630 RDI: 0000000000000005 [ 40.823681][ T684] RBP: 0000000000000010 R08: 0000000000000088 R09: 0000000000000078 [ 40.824073][ T684] R10: 00007fb688505f60 R11: 0000000000000246 R12: 00007ffe4245cd18 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create