#49372 [NEW]: Segfault in function php_curl_option_url

From: sergk at sergk dot org dot ua Operating system: Debian GNU/Linux, kernel 2.6.30 PHP version: 5.2.10 PHP Bug Type: Reproducible crash Bug description: Segfault in function php_curl_option_url Description: ------------ There is segfault in strncasecmp calling from this code: curl/interface.c:186 : if (!strncasecmp("file", uri->scheme, sizeof("file"))) { ... when URI is without protocol part hence uri->scheme is NULL. Like in this example of backtrace: #0 0xb7e20a8b in strncasecmp () from /lib/i686/cmov/libc.so.6 #1 0xb777dd11 in php_curl_option_url (ch=0x856be00, url=0x856e360 "show.setlinks.ru/?host=SCREENEDHOSTNAME&k=WINDOWS-1251&p=b44eff595164745dee4a6a655a57a425", len=<value optimized out>) at /opt/src/build/apache-1-dweb/dbuild/003d/php-5.2.10/ext/curl/interface.c:187 This bug is also present in last 5.2.x development snapshot. -- Edit bug report at http://bugs.php.net/?id=49372&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49372&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49372&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49372&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49372&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49372&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49372&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49372&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49372&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49372&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49372&r=support Expected behavior: http://bugs.php.net/fix.php?id=49372&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49372&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49372&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49372&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49372&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49372&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49372&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49372&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49372&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49372&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49372&r=mysqlcfg