syz_io_uring_submit(r1, r4, &(0x7f00000003c0)=@IORING_OP_READ=@use_registered_buffer={0x16, 0x3, 0x6000, @fd=r5, 0xffffffffffff8000, 0x0, 0x0, 0x0, 0x1, {0x2, r7}}, 0x1)
BUG: memory leak
unreferenced object 0xffff88800944ec80 (size 240):
  comm "syz-executor.2", pid 300, jiffies 4295355802 (age 24.395s)
  hex dump (first 32 bytes):
    02 00 00 00 01 00 00 00 00 00 00 00 ad 4e ad de  .............N..
    ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff  ................
  backtrace:
    [<00000000b8ff6caf>] alloc_pid+0xcd/0xd80
    [<00000000f90264d8>] copy_process+0x3969/0x6d60
    [<00000000c0b39640>] kernel_clone+0xe7/0xa60
    [<00000000ecb3f6d2>] __do_sys_clone+0xba/0x100
    [<00000000426721ff>] do_syscall_64+0x3b/0x90
    [<000000004ea0e1c6>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed