executing program
BUG: memory leak
unreferenced object 0xffff88811c5f8800 (size 32):
  comm "syz-executor318", pid 6663, jiffies 4294946952 (age 13.640s)
  hex dump (first 32 bytes):
    40 90 64 84 ff ff ff ff 18 4c b4 83 ff ff ff ff  @.d......L......
    00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 00 00  ........_t:s0...
  backtrace:
    [<000000005eb2b272>] kmalloc include/linux/slab.h:555 [inline]
    [<000000005eb2b272>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline]
    [<000000005eb2b272>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline]
    [<000000005eb2b272>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline]
    [<000000005eb2b272>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735
    [<00000000d3a5e770>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469
    [<00000000434ae7a7>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
    [<00000000b5652533>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
    [<00000000b5652533>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329
    [<00000000fa2bcb3b>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918
    [<000000004540a50b>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<000000004540a50b>] sock_sendmsg+0x4c/0x60 net/socket.c:672
    [<00000000979552e7>] sock_no_sendpage+0x8c/0xb0 net/core/sock.c:2763
    [<00000000ffe819f2>] kernel_sendpage+0x45/0x80 net/socket.c:3808
    [<000000009d76e3a4>] sock_sendpage+0x40/0x50 net/socket.c:950
    [<00000000f5c0f69b>] pipe_to_sendpage+0x87/0xe0 fs/splice.c:458
    [<000000004d4a093c>] splice_from_pipe_feed fs/splice.c:512 [inline]
    [<000000004d4a093c>] __splice_from_pipe+0x14a/0x250 fs/splice.c:636
    [<00000000ec5ed1be>] splice_from_pipe+0x70/0xb0 fs/splice.c:671
    [<000000005d9e6656>] do_splice_from fs/splice.c:863 [inline]
    [<000000005d9e6656>] do_splice+0x3a9/0x780 fs/splice.c:1170
    [<00000000be15273c>] __do_sys_splice fs/splice.c:1447 [inline]
    [<00000000be15273c>] __se_sys_splice fs/splice.c:1427 [inline]
    [<00000000be15273c>] __x64_sys_splice+0x12b/0x140 fs/splice.c:1427
    [<000000001dc38037>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000c613efa5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9