Bug #51572 [NEW]: Broscap crash on shutdown

From: Operating system: Linux PHP version: 5.3.2 Package: Reproducible crash Bug Type: Bug Bug description:Broscap crash on shutdown Description: ------------ I am running pgp-cgi in fast cgi mode and when I shutdown the server with killall php-cgi it crashes. Below is the backtrace, I am not sure how to reproduce exactly but I only use get_browser once per request and it always crashes killing after it has been running for a while. Test script: --------------- <?php $b = get_browser(); Expected result: ---------------- Shutdown gracefully Actual result: -------------- #0 0x00007fed7590ba75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007fed7590f5c0 in *__GI_abort () at abort.c:92 #2 0x00007fed759454fb in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 #3 0x00007fed7594f5b6 in malloc_printerr (action=3, str=0x7fed75a1e2e2 "corrupted double-linked list", ptr=<value optimized out>) at malloc.c:6264 #4 0x00007fed75952a25 in _int_free (av=0x7fed75c55e40, p=0x1671ec0) at malloc.c:4954 #5 0x00007fed75955e53 in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3738 #6 0x0000000000692c58 in browscap_entry_dtor (zvalue=0x1670c48) at /usr/src/php-5.3.2/ext/standard/browscap.c:41 #7 0x0000000000750750 in zend_hash_destroy (ht=0xebdcc0) at /usr/src/php- 5.3.2/Zend/zend_hash.c:526 #8 0x0000000000692bfb in zm_shutdown_browscap (type=<value optimized out>, module_number=<value optimized out>) at /usr/src/php- 5.3.2/ext/standard/browscap.c:236 #9 0x000000000068fc65 in zm_shutdown_basic (type=1, module_number=32) at /usr/src/php-5.3.2/ext/standard/basic_functions.c:3685 #10 0x000000000074a56f in module_destructor (module=0x1170bf0) at /usr/src/php- 5.3.2/Zend/zend_API.c:2098 #11 0x00000000007503e2 in zend_hash_apply_deleter (ht=0xec4f40, p=0x1170b90) at /usr/src/php-5.3.2/Zend/zend_hash.c:611 #12 0x0000000000750698 in zend_hash_graceful_reverse_destroy (ht=0xec4f40) at /usr/src/php-5.3.2/Zend/zend_hash.c:646 #13 0x0000000000744d18 in zend_shutdown () at /usr/src/php-5.3.2/Zend/zend.c:759 #14 0x00000000006f097d in php_module_shutdown () at /usr/src/php- 5.3.2/main/main.c:2138 #15 0x00000000007cc9e5 in main (argc=1, argv=0x7fffab6ce008) at /usr/src/php- 5.3.2/sapi/cgi/cgi_main.c:2231 -- Edit bug report at http://bugs.php.net/bug.php?id=51572&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=51572&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=51572&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=51572&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=51572&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51572&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=51572&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=51572&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=51572&r=needscript Try newer version: http://bugs.php.net/fix.php?id=51572&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=51572&r=support Expected behavior: http://bugs.php.net/fix.php?id=51572&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=51572&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=51572&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=51572&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51572&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=51572&r=dst IIS Stability: http://bugs.php.net/fix.php?id=51572&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=51572&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=51572&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=51572&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=51572&r=mysqlcfg