executing program executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff88810ac8bd40 (size 64): comm "syz-executor205", pid 7183, jiffies 4294946202 (age 24.560s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 50 bd c8 0a 81 88 ff ff 50 bd c8 0a 81 88 ff ff P.......P....... backtrace: [<0000000095826e5c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000095826e5c>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000095826e5c>] slab_alloc mm/slab.c:3320 [inline] [<0000000095826e5c>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000099bb7609>] kmalloc include/linux/slab.h:556 [inline] [<0000000099bb7609>] netdev_name_node_alloc+0x2a/0x70 net/core/dev.c:237 [<00000000bc2a1c43>] netdev_name_node_head_alloc net/core/dev.c:251 [inline] [<00000000bc2a1c43>] register_netdevice+0xaf/0x650 net/core/dev.c:9239 [<0000000055010edb>] ip_tunnel_newlink+0xda/0x220 net/ipv4/ip_tunnel.c:1141 [<00000000a1143432>] ipgre_newlink+0xa2/0xd0 net/ipv4/ip_gre.c:1299 [<00000000990a58d6>] __rtnl_newlink+0x89a/0xb80 net/core/rtnetlink.c:3303 [<00000000808b0734>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3361 [<0000000083143053>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5422 [<0000000000ced235>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477 [<00000000995fb948>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5440 [<000000000ad08bf5>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] [<000000000ad08bf5>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328 [<000000007a6ce19e>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917 [<00000000c52c7624>] sock_sendmsg_nosec net/socket.c:639 [inline] [<00000000c52c7624>] sock_sendmsg+0x54/0x70 net/socket.c:659 [<0000000006d41964>] ____sys_sendmsg+0x2d0/0x300 net/socket.c:2330 [<00000000631fab78>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384 [<00000000276bad8b>] __sys_sendmsg+0x80/0xf0 net/socket.c:2417 BUG: memory leak unreferenced object 0xffff8881234f5480 (size 64): comm "syz-executor205", pid 7184, jiffies 4294946738 (age 19.200s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90 54 4f 23 81 88 ff ff 90 54 4f 23 81 88 ff ff .TO#.....TO#.... backtrace: [<0000000095826e5c>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<0000000095826e5c>] slab_post_alloc_hook mm/slab.h:586 [inline] [<0000000095826e5c>] slab_alloc mm/slab.c:3320 [inline] [<0000000095826e5c>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<0000000099bb7609>] kmalloc include/linux/slab.h:556 [inline] [<0000000099bb7609>] netdev_name_node_alloc+0x2a/0x70 net/core/dev.c:237 [<00000000bc2a1c43>] netdev_name_node_head_alloc net/core/dev.c:251 [inline] [<00000000bc2a1c43>] register_netdevice+0xaf/0x650 net/core/dev.c:9239 [<0000000055010edb>] ip_tunnel_newlink+0xda/0x220 net/ipv4/ip_tunnel.c:1141 [<00000000a1143432>] ipgre_newlink+0xa2/0xd0 net/ipv4/ip_gre.c:1299 [<00000000990a58d6>] __rtnl_newlink+0x89a/0xb80 net/core/rtnetlink.c:3303 [<00000000808b0734>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3361 [<0000000083143053>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5422 [<0000000000ced235>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477 [<00000000995fb948>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5440 [<000000000ad08bf5>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] [<000000000ad08bf5>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328 [<000000007a6ce19e>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917 [<00000000c52c7624>] sock_sendmsg_nosec net/socket.c:639 [inline] [<00000000c52c7624>] sock_sendmsg+0x54/0x70 net/socket.c:659 [<0000000006d41964>] ____sys_sendmsg+0x2d0/0x300 net/socket.c:2330 [<00000000631fab78>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384 [<00000000276bad8b>] __sys_sendmsg+0x80/0xf0 net/socket.c:2417