executing program
BUG: memory leak
unreferenced object 0xffff8881185e6640 (size 32):
  comm "syz-executor297", pid 6615, jiffies 4294945972 (age 13.270s)
  hex dump (first 32 bytes):
    00 a9 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:
    [<00000000bc98a402>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000bc98a402>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline]
    [<00000000bc98a402>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline]
    [<00000000bc98a402>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline]
    [<00000000bc98a402>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735
    [<000000003d6624c9>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469
    [<0000000074042848>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
    [<00000000bc5361fc>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
    [<00000000bc5361fc>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329
    [<0000000017f1388f>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918
    [<00000000719d7a40>] sock_sendmsg_nosec net/socket.c:652 [inline]
    [<00000000719d7a40>] sock_sendmsg+0x4c/0x60 net/socket.c:672
    [<00000000635ac96e>] sock_write_iter+0xc5/0x140 net/socket.c:1004
    [<0000000048e65510>] call_write_iter include/linux/fs.h:1907 [inline]
    [<0000000048e65510>] new_sync_write+0x18e/0x240 fs/read_write.c:484
    [<00000000d4674025>] __vfs_write+0x73/0x90 fs/read_write.c:497
    [<000000004ecec3d2>] vfs_write fs/read_write.c:559 [inline]
    [<000000004ecec3d2>] vfs_write+0xe0/0x200 fs/read_write.c:543
    [<00000000ef25720e>] ksys_write+0xd8/0x120 fs/read_write.c:612
    [<0000000075c78c81>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000075737bb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9