Re: Segfault in HTCP CLR request on 64-bit

From: Adrian Chadd <adrian_at_squid-cache.org>
Date: Sat, 26 Sep 2009 12:58:08 +0800

Could you please create a bugzilla report for this, complete with a
patch against Squid-2.HEAD and 2.7? I'll then commit it.

2009/9/26 Jason Noble <jason_at_linuxbox.com>:
> I recently ran into an issue where Squid 2.7 would segfault trying to issue
> HTCP CLR requests.  I found the segfault only occurred on 64-bit machines.
>  While debugging, I found that the value of stuff.S.req_hdrs was not
> initialized but later, strlen was being called on it.  This seems to -- by
> chance -- not fail on 32 bit builds, but always segfaults on 64-bit.  The
> attached patch fixed the problem for me and it seems good programming
> practice to properly initialize pointers to prevent issues such as this.  As
> the htcpStuff struct is used in other places, I have concerns that other
> issues may be lurking as well, although I have yet to run into them.
>
> Regards,
> Jason
>
Received on Sat Sep 26 2009 - 04:58:16 MDT

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