syz_io_uring_submit(r1, r2, &(0x7f00000001c0)=@IORING_OP_RECV=@use_registered_buffer={0x1b, 0x0, 0x0, r3}, 0x0) io_uring_enter(r0, 0x1, 0x0, 0x0, 0x0, 0x0) BUG: leak checking failed