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Re: libcurl crahes when an SFTP server's home directory is non-exist

From: Daniel Stenberg <>
Date: Fri, 17 Jun 2016 15:17:23 +0200 (CEST)

On Thu, 16 Jun 2016, $BCHOBE*OBCH(J _ wrote:

>> What about this fix to avoid that:
>> }
>> - else if(rc > 0) {
>> + else if(rc >= 0) {
> I am very sorry that I had incorrect observation of the rc value. It's
> timeout but error code is not set. So this fix won't work.

Then I guess I didn't understand your problem. How does it end up crashing?

> The root cause is indeed in libssh2. I will report this to libssh2
> development team.

Ok, and as a libssh2 hacker I will appreciate that. But since this crash is
within libcurl within an existing libssh2 release I think we need to also add
some extra checks in libcurl to make sure it'll work for all those using this
or older libssh2 versions!


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Received on 2016-06-17