executing program
BUG: memory leak
unreferenced object 0xffff8881170bbee0 (size 32):
  comm "syz-executor570", pid 6495, jiffies 4294943039 (age 13.350s)
  hex dump (first 32 bytes):
    c0 f9 64 84 ff ff ff ff 60 35 b5 83 ff ff ff ff  ..d.....`5......
    00 00 00 00 00 00 00 00 46 e4 b1 1f 1f 6d 7d cc  ........F....m}.
  backtrace:
    [<000000007f9faf64>] kmalloc include/linux/slab.h:555 [inline]
    [<000000007f9faf64>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline]
    [<000000007f9faf64>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline]
    [<000000007f9faf64>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline]
    [<000000007f9faf64>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735
    [<000000009f10e327>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469
    [<0000000058048b8e>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
    [<000000001a37b968>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
    [<000000001a37b968>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329
    [<000000000b47edcc>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918
    [<00000000b03087ea>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000b03087ea>] sock_sendmsg+0x4c/0x60 net/socket.c:672
    [<0000000020e232d4>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2352
    [<000000003000ad99>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2406
    [<0000000023ef96ad>] __sys_sendmsg+0x77/0xe0 net/socket.c:2439
    [<000000009ecfc91f>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<000000009539adc1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9