Hello
Using libcurl 7.53.1 with libssh2 1.8.0 in Windows, I find the memory
grows without bound when doing an sftp download, but only when
CURLOPT_TIMEOUT is non-zero.
I tested this with a binary SSL SSH build from the curl download page.

minimal example:
#include <curl/curl.h>
int main()
{
    curl_global_init(CURL_GLOBAL_ALL);
    while (1) {
        CURL* easy = curl_easy_init();
        curl_easy_setopt(easy, CURLOPT_TIMEOUT, 60L);
        curl_easy_setopt(easy, CURLOPT_USERPWD, "sshtest:sshtest");
        curl_easy_setopt(easy, CURLOPT_URL, "sftp://10.1.10.2/home/sshtest/");
        curl_easy_perform(easy);
        curl_easy_cleanup(easy);
    }
    return 0;
}

Eric
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Received on 2017-04-06