BUG: memory leak
unreferenced object 0xffff888116dba600 (size 224):
  comm "syz-executor.7", pid 8009, jiffies 4294964327 (age 18.900s)
  hex dump (first 32 bytes):
    d0 98 0f 06 81 88 ff ff d0 98 0f 06 81 88 ff ff  ................
    00 00 00 00 00 00 00 00 00 70 8f 09 81 88 ff ff  .........p......
  backtrace:
    [<000000006e737302>] __alloc_skb+0x6a/0x220 net/core/skbuff.c:198
    [<000000000b2136f0>] alloc_skb include/linux/skbuff.h:1081 [inline]
    [<000000000b2136f0>] nr_loopback_queue+0x22/0xc0 net/netrom/nr_loopback.c:34
    [<000000001454d4f8>] nr_route_frame+0x306/0x550 net/netrom/nr_route.c:772
    [<00000000b77a86f7>] nr_transmit_buffer+0x75/0xb0 net/netrom/nr_out.c:209
    [<00000000a9a3ec3a>] nr_write_internal+0x129/0x2e0 net/netrom/nr_subr.c:205
    [<00000000fda91df7>] nr_establish_data_link+0x24/0x50 net/netrom/nr_out.c:227
    [<000000006fe0f304>] nr_connect+0x129/0x4a0 net/netrom/af_netrom.c:691
    [<0000000068852814>] __sys_connect_file+0x88/0x90 net/socket.c:1857
    [<00000000823ba39b>] __sys_connect+0xd2/0x110 net/socket.c:1874
    [<00000000cbce0c6b>] __do_sys_connect net/socket.c:1885 [inline]
    [<00000000cbce0c6b>] __se_sys_connect net/socket.c:1882 [inline]
    [<00000000cbce0c6b>] __x64_sys_connect+0x1a/0x20 net/socket.c:1882
    [<00000000d095916c>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:294
    [<00000000fc1480be>] entry_SYSCALL_64_after_hwframe+0x44/0xa9