syzbot

BUG: memory leak
unreferenced object 0xffff8881110bb308 (size 8):
  comm "syz.0.17", pid 6090, jiffies 4294942958
  hex dump (first 8 bytes):
    2e 00 00 00 00 00 00 00                          ........
  backtrace (crc ecfc7064):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4953 [inline]
    slab_alloc_node mm/slub.c:5258 [inline]
    __do_kmalloc_node mm/slub.c:5651 [inline]
    __kmalloc_node_track_caller_noprof+0x3b2/0x670 mm/slub.c:5759
    __kmemdup_nul mm/util.c:64 [inline]
    kstrdup+0x3c/0x80 mm/util.c:84
    kstrdup_const+0x63/0x80 mm/util.c:104
    kvasprintf_const+0xca/0x110 lib/kasprintf.c:48
    debugfs_change_name+0xf6/0x5d0 fs/debugfs/inode.c:854
    cfg80211_dev_rename+0xd8/0x110 net/wireless/core.c:149
    nl80211_set_wiphy+0x102/0x1770 net/wireless/nl80211.c:3844
    genl_family_rcv_msg_doit+0x11e/0x190 net/netlink/genetlink.c:1115
    genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
    genl_rcv_msg+0x2fd/0x440 net/netlink/genetlink.c:1210
    netlink_rcv_skb+0x93/0x1d0 net/netlink/af_netlink.c:2550
    genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
    netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
    netlink_unicast+0x3a3/0x4f0 net/netlink/af_netlink.c:1344
    netlink_sendmsg+0x335/0x6b0 net/netlink/af_netlink.c:1894
    sock_sendmsg_nosec net/socket.c:718 [inline]
    __sock_sendmsg net/socket.c:733 [inline]
    ____sys_sendmsg+0x562/0x5a0 net/socket.c:2608
    ___sys_sendmsg+0xc8/0x130 net/socket.c:2662
    __sys_sendmsg+0xc7/0x140 net/socket.c:2694

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF