Bug #54623 [Asn->Csd]: Segmentation fault after writing to first socket after closing of second socket

Edit report at http://bugs.php.net/bug.php?id=54623&edit=1 ID: 54623 Updated by: cataphract@php.net Reported by: tiger dot seo at gmail dot com Summary: Segmentation fault after writing to first socket after closing of second socket -Status: Assigned +Status: Closed Type: Bug Package: Sockets related Operating System: Ubuntu 10.10 PHP Version: 5.3.6 Assigned To: cataphract Block user comment: N Private report: N New Comment: Fixed in SVN. Thanks for the report. Previous Comments: ------------------------------------------------------------------------ [2011-05-01 05:57:03] cataphract@php.net Automatic comment from SVN on behalf of cataphract Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=310681 Log: - Fixed bug #54623 (Segfault when when writing to a persistent socket after closing a copy of the socket). ------------------------------------------------------------------------ [2011-04-30 22:00:22] cataphract@php.net Looks like a persistent version of bug #24557 (see r136199 and r136088). ------------------------------------------------------------------------ [2011-04-28 17:08:47] tiger dot seo at gmail dot com Port can be any other, for example with 80 port bug is reproduced ------------------------------------------------------------------------ [2011-04-28 16:58:33] tiger dot seo at gmail dot com Description: ------------ BTW, my friend with 5.2.6 says that bug doesn`t reproduces in her, but in version 5.2.10 it does reproduced, and in version 5.3.3 also reproduced. Backtrace from GDB: Starting program: /usr/bin/php memcached.php [Thread debugging using libthread_db enabled] [New Thread 0xb7c1cb70 (LWP 11369)] [Thread 0xb7c1cb70 (LWP 11369) exited] Program received signal SIGSEGV, Segmentation fault. 0x080ab68a in ?? () (gdb) bt #0 0x080ab68a in ?? () #1 0x082c9d0a in ?? () #2 0x0823a439 in zif_fwrite () #3 0x08334647 in execute_internal () #4 0x0092b474 in xdebug_execute_internal (current_execute_data=0x893d5bc, return_value_used=0) at /build/buildd/xdebug-2.1.0/build-php5/xdebug.c:1339 #5 0x08360310 in ?? () #6 0x08336fde in execute () #7 0x0092b123 in xdebug_execute (op_array=0x890bc14) at /build/buildd/xdebug-2.1.0/build-php5/xdebug.c:1272 #8 0x0830cf06 in zend_execute_scripts () #9 0x082b1654 in php_execute_script () #10 0x083a41bb in ?? () #11 0x00646ce7 in __libc_start_main () from /lib/libc.so.6 #12 0x08066ca1 in _start () Test script: --------------- <?php $sock = pfsockopen('10.4.8.2', '11211'); $data = "add 1_".md5(time())." 0 10 10\r\n".time()."\r\n"; fwrite($sock, $data); $sock2 = pfsockopen('10.4.8.2', '11211'); $data2 = "add 2_".md5(time())." 0 10 10\r\n".time()."\r\n"; fwrite($sock2, $data2); fclose($sock2); $data = "add 3_".md5(time())." 0 10 10\r\n".time()."\r\n"; fwrite($sock, $data); Expected result: ---------------- Data normally writed to first socket Actual result: -------------- Program received signal SIGSEGV, Segmentation fault. ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/bug.php?id=54623&edit=1