executing program
BUG: memory leak
unreferenced object 0xffff88811c86dd60 (size 32):
  comm "syz-executor197", pid 6635, jiffies 4294943345 (age 14.480s)
  hex dump (first 32 bytes):
    c0 a8 64 84 ff ff ff ff a0 a1 b4 83 ff ff ff ff  ..d.............
    00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 00 00  ........_t:s0...
  backtrace:
    [<000000006e74058f>] kmalloc include/linux/slab.h:555 [inline]
    [<000000006e74058f>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline]
    [<000000006e74058f>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline]
    [<000000006e74058f>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline]
    [<000000006e74058f>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735
    [<000000008ccf76d3>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469
    [<000000004589d760>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
    [<0000000076d47d88>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
    [<0000000076d47d88>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329
    [<00000000ee1b301f>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918
    [<000000004b6f1a38>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<000000004b6f1a38>] sock_sendmsg+0x4c/0x60 net/socket.c:672
    [<000000002e362a0f>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2362
    [<000000002985fa3b>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2416
    [<000000007679e535>] __sys_sendmsg+0x77/0xe0 net/socket.c:2449
    [<000000007408b042>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000d72d8486>] entry_SYSCALL_64_after_hwframe+0x44/0xa9