Can you get a stack dump for this crash? Have you tried a newer version? 7.22.0 is several years old now. You didn't show the code for http_get_callback or html_body, so without proof otherwise (like a stack dump), it's very likely the problem is in the app.

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** [bugs:#1254] libcurl http get sometime segmentation fault**
**Status:** open
**Created:** Fri Jun 28, 2013 07:02 AM UTC by john zhou
**Last Updated:** Fri Jun 28, 2013 07:03 AM UTC
**Owner:** nobody
please help me
i use liburl https get data，sometime happen segmentation fault，
specifically，url include 6U is not ok


The url:https://61.219.119.101/echarge/echapi.asmx/ecardGet?sid=UojgLlWa6U:1372442051&data=[{"md":""}] is not ok;

the url:https://61.219.119.101/echarge/echapi.asmx/ecardGet?sid=UojgLlWaxU:1372442051&data=[{"md":""}] is ok;

curl version:
curl 7.22.0 (i686-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3

linux version:
gcc version 4.6.3 Ubuntu/Linaro 4.6.3-1ubuntu5


my code :
CURL *curl;		
curl = curl_easy_init();
if(curl) { 
		//curl_easy_setopt(curl, CURLOPT_POST, 1); 
		curl_easy_setopt(curl, CURLOPT_URL, "https://61.219.119.101/echarge/echapi.asmx/ecardGet?sid=UojgLlWa6U:1372442051&data=[{\"md\":\"\"}]");
		curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);	
		curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); 
		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, http_get_callback);
		curl_easy_setopt(curl, CURLOPT_WRITEDATA, html_body);
		curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 5);
		//UojgLlWa6U:1372442051
		//curl_easy_setopt(curl, CURLOPT_POSTFIELDS, "sid=AxdnXdXckC:1371767608&data=[{\"md\":\"20111230222211\"}]");
		curl_easy_perform(curl);
		.................  

thanks

john 			
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