Bug #64564 [NEW]: pg_trace corrupts memory and crashes server

From: php at compressedtime dot com Operating system: Linux PHP version: 5.3.23 Package: PostgreSQL related Bug Type: Bug Bug description:pg_trace corrupts memory and crashes server Description: ------------ When I use pg_trace on my Linux server I got a lot of segmentation faults in the error_log. PHP 5.3.3 (cli) (built: Feb 22 2013 02:37:06) Copyright (c) 1997-2010 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies Here's a backtrace from a core file: #0 0x00007f3f608ad59c in free () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f3f608a5d69 in _IO_free_backup_area () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f3f608a52e5 in _IO_file_overflow () from /lib/x86_64-linux-gnu/libc.so.6 #3 0x00007f3f608a4025 in _IO_file_xsputn () from /lib/x86_64-linux-gnu/libc.so.6 #4 0x00007f3f60872aa1 in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x00007f3f609330cb in __fprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f3f5ac10404 in ?? () from /usr/lib/libpq.so.5 #7 0x00007f3f5ac08257 in ?? () from /usr/lib/libpq.so.5 #8 0x00007f3f5ac0860e in PQfinish () from /usr/lib/libpq.so.5 #9 0x00007f3f573f4c4d in ?? () from /usr/lib/php5/20090626/pgsql.so #10 0x00007f3f5da3ffde in ?? () from /usr/lib/apache2/modules/libphp5.so #11 0x00007f3f5da3c81e in ?? () from /usr/lib/apache2/modules/libphp5.so #12 0x00007f3f5da3e0a8 in zend_hash_graceful_reverse_destroy () from /usr/lib/apache2/modules/libphp5.so #13 0x00007f3f5da3032c in ?? () from /usr/lib/apache2/modules/libphp5.so #14 0x00007f3f5d9dd030 in php_request_shutdown () from /usr/lib/apache2/modules/libphp5.so #15 0x00007f3f5dac0d67 in ?? () from /usr/lib/apache2/modules/libphp5.so #16 0x00007f3f61705508 in ap_run_handler () #17 0x00007f3f6170597e in ap_invoke_handler () #18 0x00007f3f61715570 in ap_process_request () #19 0x00007f3f61712398 in ?? () #20 0x00007f3f6170bfa8 in ap_run_process_connection () #21 0x00007f3f6171a1d0 in ?? () -- Edit bug report at https://bugs.php.net/bug.php?id=64564&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64564&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64564&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64564&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64564&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64564&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64564&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64564&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64564&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64564&r=support Expected behavior: https://bugs.php.net/fix.php?id=64564&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64564&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64564&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64564&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64564&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64564&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64564&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64564&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64564&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64564&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64564&r=mysqlcfg