BUG: memory leak unreferenced object 0xffff88811555f920 (size 32): comm "syz-executor135", pid 7078, jiffies 4294955851 (age 28.550s) hex dump (first 32 bytes): 6d 61 63 73 65 63 31 00 6b 2f 37 30 37 38 00 de macsec1.k/7078.. 33 33 ff 00 00 29 0f 86 f4 07 00 00 49 83 eb 10 33...)......I... backtrace: [<00000000b0184ebe>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b0184ebe>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000b0184ebe>] slab_alloc mm/slab.c:3320 [inline] [<00000000b0184ebe>] __do_kmalloc mm/slab.c:3654 [inline] [<00000000b0184ebe>] __kmalloc_track_caller+0x165/0x300 mm/slab.c:3671 [<00000000c25082e9>] kstrdup+0x3a/0x70 mm/util.c:60 [<000000003197ec3f>] kstrdup_const+0x48/0x60 mm/util.c:82 [<0000000029ade82e>] kvasprintf_const+0x7e/0xe0 lib/kasprintf.c:48 [<0000000038998770>] kobject_set_name_vargs+0x40/0xe0 lib/kobject.c:289 [<00000000dd42a347>] dev_set_name+0x63/0x90 drivers/base/core.c:2265 [<00000000d09c1a38>] netdev_register_kobject+0x5a/0x1b0 net/core/net-sysfs.c:1736 [<00000000d098a017>] register_netdevice+0x1ce/0x650 net/core/dev.c:9316 [<00000000e7dfdf17>] macsec_newlink+0xe5/0x530 drivers/net/macsec.c:3250 [<0000000092c0d79a>] __rtnl_newlink+0x89a/0xb80 net/core/rtnetlink.c:3305 [<000000008d2b5205>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3363 [<000000004e15ff62>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5424 [<00000000470cbb91>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477 [<00000000d4d9fd71>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5442 [<00000000bdd9a4fc>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] [<00000000bdd9a4fc>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328 [<00000000b56a18dc>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917