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Re: crash freeing memory in Curl_llist_destroy

From: Stephen Powers <>
Date: Sun, 24 Aug 2008 14:01:48 -0700

>> has anyone seen this crash before?
>> Program terminated with signal 11, Segmentation fault.
>> #0 0xfedd6100 in realfree () from /usr/lib/
>> (gdb) bt
>> #0 0xfedd6100 in realfree () from /usr/lib/
>> #1 0xfedd6928 in _free_unlocked () from /usr/lib/
>> #2 0xfedd6864 in free () from /usr/lib/
>> #3 0xff352818 in Curl_llist_destroy () from /opt/AMS_500/ARC/
>Yes, when people use threaded programs and SSL without doing the mutex
>You didn't mention what libcurl version, what platform or many specifics of
>your code so we cannot make any really good guesses.

we are running on a Solaris Sparc platform and using libcurl version 7.16.1.
I'll check the mail archives for some history on this problem. I see we are using
mutex callbacks for SSL and will take a closer look at our implementation.



Received on 2008-08-24