BUG: memory leak unreferenced object 0xffff88811fbf02e0 (size 32): comm "syz-executor116", pid 6808, jiffies 4294944458 (age 14.030s) hex dump (first 32 bytes): 76 65 74 68 30 00 61 73 6b 2f 36 38 30 38 00 00 veth0.ask/6808.. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000a0c7934a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000a0c7934a>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000a0c7934a>] slab_alloc mm/slab.c:3319 [inline] [<00000000a0c7934a>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000a0c7934a>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3670 [<00000000ead21c95>] kstrdup+0x3a/0x70 mm/util.c:60 [<0000000077e1c90e>] kstrdup_const+0x48/0x60 mm/util.c:82 [<0000000021cd7fda>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<0000000063e9d120>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<0000000073838191>] dev_set_name+0x63/0x90 drivers/base/core.c:2005 [<000000008133ae97>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1727 [<000000001c3b1bb7>] register_netdevice+0x397/0x610 net/core/dev.c:8781 [<00000000f9316084>] veth_newlink+0x1ee/0x420 drivers/net/veth.c:1302 [<00000000e21547b3>] __rtnl_newlink+0x892/0xb30 net/core/rtnetlink.c:3196 [<000000002df1afd2>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3254 [<000000004eec0eb4>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5223 [<000000006a61928a>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477 [<00000000a2f05e8f>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241 [<0000000055a75782>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] [<0000000055a75782>] netlink_unicast+0x1ec/0x2d0 net/netlink/af_netlink.c:1328 [<00000000952be3e6>] netlink_sendmsg+0x270/0x480 net/netlink/af_netlink.c:1917