#46110 [NEW]: XMLWriter - openmemory() and openuri() mem. leaks

From: felipe@php.net Operating system: PHP version: 5.3CVS-2008-09-17 (CVS) PHP Bug Type: XML Writer Bug description: XMLWriter - openmemory() and openuri() mem. leaks Description: ------------ The mem. leak happens when calling two or more times the openuri() and openmemory(). See below. Reproduce code: --------------- <?php $x = new xmlwriter; $x->openuri(1); $x->openuri(1); $x->openmemory(); $x->openmemory(); Actual result: -------------- ==19574== 18 bytes in 6 blocks are indirectly lost in loss record 2 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x51CFE65: xmlStrndup (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x51D000B: xmlStrdup (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x5225BE9: xmlNewTextWriter (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x52260D1: xmlNewTextWriterFilename (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357E54: zif_xmlwriter_open_uri (php_xmlwriter.c:1833) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== 8,450 (8 direct, 8,442 indirect) bytes in 1 blocks are definitely lost in loss record 12 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x8357C71: zif_xmlwriter_open_memory (php_xmlwriter.c:1890) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== 64 bytes in 4 blocks are indirectly lost in loss record 5 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x517C151: xmlBufferCreate (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x5185786: xmlAllocOutputBuffer (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x518585A: xmlOutputBufferCreateIO (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x51858BB: xmlOutputBufferCreateBuffer (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x522602C: xmlNewTextWriterMemory (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357C5F: zif_xmlwriter_open_memory (php_xmlwriter.c:1884) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 72 bytes in 6 blocks are indirectly lost in loss record 6 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x5184C0B: xmlListCreate (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x5225BB0: xmlNewTextWriter (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x522603A: xmlNewTextWriterMemory (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357C5F: zif_xmlwriter_open_memory (php_xmlwriter.c:1884) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 72 bytes in 6 blocks are indirectly lost in loss record 7 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x5184BE8: xmlListCreate (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x5225BB0: xmlNewTextWriter (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x52260D1: xmlNewTextWriterFilename (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357E54: zif_xmlwriter_open_uri (php_xmlwriter.c:1833) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 96 bytes in 3 blocks are indirectly lost in loss record 8 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x5185768: xmlAllocOutputBuffer (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8072B24: php_libxml_output_buffer_create_filename (libxml.c:413) ==19574== by 0x518848F: xmlOutputBufferCreateFilename (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x52260C3: xmlNewTextWriterFilename (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357E54: zif_xmlwriter_open_uri (php_xmlwriter.c:1833) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 132 bytes in 3 blocks are indirectly lost in loss record 9 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x5225B82: xmlNewTextWriter (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x522603A: xmlNewTextWriterMemory (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357C5F: zif_xmlwriter_open_memory (php_xmlwriter.c:1884) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 264 bytes in 3 blocks are indirectly lost in loss record 10 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x517D843: xmlNewDoc (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x5225C00: xmlNewTextWriter (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x522603A: xmlNewTextWriterMemory (in /usr/lib/libxml2.so.2.6.27) ==19574== by 0x8357C5F: zif_xmlwriter_open_memory (php_xmlwriter.c:1884) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) ==19574== ==19574== ==19574== 8,676 (16 direct, 8,660 indirect) bytes in 2 blocks are definitely lost in loss record 13 of 14 ==19574== at 0x4021620: malloc (vg_replace_malloc.c:149) ==19574== by 0x8357E6A: zif_xmlwriter_open_uri (php_xmlwriter.c:1840) ==19574== by 0x83FB4DF: zend_do_fcall_common_helper_SPEC (zend_vm_execute.h:315) ==19574== by 0x83E9602: execute (zend_vm_execute.h:104) ==19574== by 0x83C3A6E: zend_execute_scripts (zend.c:1197) ==19574== by 0x836916C: php_execute_script (main.c:2080) ==19574== by 0x845B734: main (php_cli.c:1130) -- Edit bug report at http://bugs.php.net/?id=46110&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=46110&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=46110&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=46110&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=46110&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=46110&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=46110&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=46110&r=needscript Try newer version: http://bugs.php.net/fix.php?id=46110&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=46110&r=support Expected behavior: http://bugs.php.net/fix.php?id=46110&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=46110&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=46110&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=46110&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=46110&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=46110&r=dst IIS Stability: http://bugs.php.net/fix.php?id=46110&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=46110&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=46110&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=46110&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=46110&r=mysqlcfg