====================================== | [ 193.710147][ T1569] ------------[ cut here ]------------ | [ 193.710402][ T1569] DEBUG_LOCKS_WARN_ON(1) | [ 193.710429][ T1569] WARNING: CPU: 3 PID: 1569 at kernel/locking/lockdep.c:4976 lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) | [ 193.711229][ T1569] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 193.712456][ T1569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 193.712842][ T1569] RIP: 0010:lockdep_init_map_type (kernel/locking/lockdep.c:4976 (discriminator 7)) [ 193.713262][ T1569] Code: ff 4c 89 e6 48 c7 c7 28 3d 5d 8f e8 ee c9 01 00 e9 3d ff ff ff 90 48 c7 c6 ee ff 56 8f 48 c7 c7 3b fc 56 8f e8 c5 89 e9 ff 90 <0f> 0b 90 90 e9 47 ff ff ff 90 48 c7 c6 2a 01 57 8f 48 c7 c7 3b fc All code ======== 0: ff 4c 89 e6 decl -0x1a(%rcx,%rcx,4) 4: 48 c7 c7 28 3d 5d 8f mov $0xffffffff8f5d3d28,%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 8f mov $0xffffffff8f56ffee,%rsi 1d: 48 c7 c7 3b fc 56 8f mov $0xffffffff8f56fc3b,%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 8f mov $0xffffffff8f57012a,%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 8f mov $0xffffffff8f57012a,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 3b fc cmp %esp,%edi [ 193.714297][ T1569] RSP: 0018:ffffc900030d7018 EFLAGS: 00010282 [ 193.714708][ T1569] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 193.715163][ T1569] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 [ 193.715625][ T1569] RBP: ffffe8ffffc053b0 R08: 0000000000000000 R09: fffffbfff1f3e10c [ 193.716085][ T1569] R10: 0000000000000003 R11: 0000000000000004 R12: ffff88800db92e60 [ 193.716556][ T1569] R13: 0000000000000000 R14: ffffe8ffffc05198 R15: ffffe8ffffc05140 [ 193.718143][ T1569] FS: 00007fc0259eb800(0000) GS:ffff8880a5572000(0000) knlGS:0000000000000000 [ 193.718676][ T1569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 193.719068][ T1569] CR2: 00007f5ce7fcc000 CR3: 000000000f130003 CR4: 0000000000772ef0 [ 193.719510][ T1569] PKRU: 55555554 [ 193.719734][ T1569] Call Trace: [ 193.719961][ T1569] [ 193.720127][ T1569] 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) [ 193.720433][ T1569] vxlan_init (drivers/net/vxlan/vxlan_core.c:2899) vxlan [ 193.720734][ T1569] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:69 mm/kasan/common.c:78) [ 193.721053][ T1569] register_netdevice (net/core/dev.c:11309) [ 193.721325][ T1569] ? vxlan_vni_in_use (drivers/net/vxlan/vxlan_core.c:3680) vxlan [ 193.721610][ T1569] ? unregister_netdevice_queue (net/core/dev.c:11272) [ 193.721984][ T1569] ? vxlan_config_validate (drivers/net/vxlan/vxlan_core.c:3848) vxlan [ 193.722377][ T1569] ? vxlan_config_apply (drivers/net/vxlan/vxlan_core.c:3885) vxlan [ 193.722773][ T1569] __vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:3948) vxlan [ 193.723109][ T1569] ? mark_held_locks (kernel/locking/lockdep.c:4325) [ 193.723427][ T1569] ? vxlan_changelink (drivers/net/vxlan/vxlan_core.c:3934) vxlan [ 193.723761][ T1569] vxlan_newlink (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 193.724102][ T1569] ? vxlan_dev_create (drivers/net/vxlan/vxlan_core.c:4370) vxlan [ 193.724436][ T1569] ? rtnl_create_link (net/core/rtnetlink.c:3657) [ 193.724753][ T1569] rtnl_newlink_create (net/core/rtnetlink.c:3843) [ 193.725078][ T1569] ? rtnl_create_link (net/core/rtnetlink.c:3806) [ 193.725360][ T1569] ? __dev_get_by_name (net/core/dev.c:865) [ 193.725564][ T1569] ? rtnl_dev_get (net/core/rtnetlink.c:3419) [ 193.725766][ T1569] ? rtnl_validate_mdb_entry_del_bulk (net/core/rtnetlink.c:3419) [ 193.726024][ T1569] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 193.726230][ T1569] ? reacquire_held_locks (kernel/locking/lockdep.c:5385) [ 193.726430][ T1569] __rtnl_newlink (net/core/rtnetlink.c:3957) [ 193.726628][ T1569] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 193.726825][ T1569] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 193.727039][ T1569] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 193.727276][ T1569] ? __lock_release (kernel/locking/lockdep.c:5536) [ 193.727478][ T1569] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 193.727671][ T1569] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 193.727864][ T1569] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 193.728074][ T1569] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 193.728275][ T1569] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 193.728519][ T1569] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 193.728722][ T1569] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 193.728919][ T1569] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 193.729165][ T1569] ? 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) [ 193.729365][ T1569] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 193.729562][ T1569] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 193.729759][ T1569] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 193.729958][ T1569] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 193.730171][ T1569] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 193.730380][ T1569] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 193.730587][ T1569] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 193.730783][ T1569] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 193.730982][ T1569] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 193.731242][ T1569] ? __copy_msghdr (net/socket.c:2556) [ 193.731465][ T1569] ___sys_sendmsg (net/socket.c:2686) [ 193.731664][ T1569] ? copy_msghdr_from_user (net/socket.c:2673) [ 193.731870][ T1569] ? do_pte_missing (mm/memory.c:6134) [ 193.732103][ T1569] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 193.732304][ T1569] ? __handle_mm_fault (mm/memory.c:6318) [ 193.732509][ T1569] ? __pmd_alloc (mm/memory.c:6229) [ 193.732708][ T1569] ? lock_vma_under_rcu (mm/mmap_lock.c:226) [ 193.732904][ T1569] ? lock_vma_under_rcu (mm/mmap_lock.c:259) [ 193.733115][ T1569] __sys_sendmsg (net/socket.c:2716) [ 193.733317][ T1569] ? __sys_sendmsg_sock (net/socket.c:2701) [ 193.733520][ T1569] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 193.733720][ T1569] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:143 ./include/linux/mmap_lock.h:182 arch/x86/mm/fault.c:1338) [ 193.733921][ T1569] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 193.734137][ T1569] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 193.734345][ T1569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 193.734591][ T1569] RIP: 0033:0x7fc025bb91d7 [ 193.734803][ T1569] Code: Unable to access opcode bytes at 0x7fc025bb91ad. Code starting with the faulting instruction =========================================== [ 193.735079][ T1569] RSP: 002b:00007ffdfda73158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 193.735390][ T1569] RAX: ffffffffffffffda RBX: 00007ffdfda73880 RCX: 00007fc025bb91d7 [ 193.735685][ T1569] RDX: 0000000000000000 RSI: 00007ffdfda731c0 RDI: 0000000000000005 [ 193.735979][ T1569] RBP: 000000000000000d R08: 000000000000008c R09: 0000000000000000 [ 193.736295][ T1569] R10: 00007fc025ab0770 R11: 0000000000000246 R12: 00007ffdfda738a0 Finger prints: lockdep_init_map_type:gro_cells_init:vxlan_init:register_netdevice:__vxlan_dev_create