Edit report at https://bugs.php.net/bug.php?id=61186&edit=1
ID: 61186 Updated by: ras...@php.net Reported by: larue...@php.net Summary: valgrind complain of invalid reading Status: Open Type: Bug Package: Scripting Engine problem PHP Version: 5.3.10 Block user comment: N Private report: N New Comment: Ok, verified. It only happens with --enable-debug Previous Comments: ------------------------------------------------------------------------ [2012-02-26 19:38:19] phpmpan at mpan dot pl ./configure --with-readline --enable-debug --enable-zend-multibyte Happens for snapshot (2012/02/26 18:30) of 5.3, but *does not* happen on snapshot of trunk. ------------------------------------------------------------------------ [2012-02-26 15:53:55] ras...@php.net Still clean for me with --enable-zend-multibyte Please provide the minimum set of configure flags you can reproduce this with. ------------------------------------------------------------------------ [2012-02-26 15:42:52] larue...@php.net try after enable multi-byte support, thanks ------------------------------------------------------------------------ [2012-02-26 15:28:30] ras...@php.net Not seeing that here on my 5.3.10 build: 3:26pm x220:~/php-5.3.10> memcheck sapi/cli/php test.php ==32664== Memcheck, a memory error detector ==32664== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al. ==32664== Using Valgrind-3.6.1-Debian and LibVEX; rerun with -h for copyright info ==32664== Command: sapi/cli/php test.php ==32664== 2==32664== ==32664== HEAP SUMMARY: ==32664== in use at exit: 1,016 bytes in 7 blocks ==32664== total heap usage: 25,722 allocs, 25,715 frees, 3,633,436 bytes allocated ==32664== ==32664== LEAK SUMMARY: ==32664== definitely lost: 0 bytes in 0 blocks ==32664== indirectly lost: 0 bytes in 0 blocks ==32664== possibly lost: 0 bytes in 0 blocks ==32664== still reachable: 0 bytes in 0 blocks ==32664== suppressed: 1,016 bytes in 7 blocks ==32664== ==32664== For counts of detected and suppressed errors, rerun with: -v ==32664== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 12 from 6) My memcheck script is: #!/bin/bash USE_ZEND_ALLOC=0 valgrind --tool=memcheck -- suppressions=/home/rasmus/.suppressions --leak-check=yes --track-origins=yes -- num-callers=30 --show-reachable=yes "$@" And I am not suppressing that one obviously. ------------------------------------------------------------------------ [2012-02-26 15:12:05] larue...@php.net Description: ------------ while use valgrind exam PHP 5.3, it complain of invalid reading. Test script: --------------- <?php echo 2; ?> #run $USE_ZEND_ALLOC=0 valgrind php53 above.php Expected result: ---------------- no complaint Actual result: -------------- ==11759== Memcheck, a memory error detector ==11759== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==11759== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info ==11759== Command: php above.php ==11759== ==11759== Invalid read of size 1 ==11759== at 0x8F4D95: lex_scan (zend_language_scanner.c:1028) ==11759== by 0x932C91: zendlex (zend_compile.c:4975) ==11759== by 0x8EA7E3: zendparse (zend_language_parser.c:2948) ==11759== by 0x8F240B: compile_file (zend_language_scanner.l:364) ==11759== by 0x6CA931: phar_compile_file (phar.c:3393) ==11759== by 0x94DD0E: zend_execute_scripts (zend.c:1228) ==11759== by 0x8B5E33: php_execute_script (main.c:2308) ==11759== by 0xA430C4: main (php_cli.c:1184) ==11759== Address 0x87ec132 is 0 bytes after a block of size 18 alloc'd ==11759== at 0x490514E: malloc (vg_replace_malloc.c:195) ==11759== by 0x91DC2D: _emalloc (zend_alloc.c:2348) ==11759== by 0x8F1E36: open_file_for_scanning (zend_language_scanner.l:288) ==11759== by 0x8F2343: compile_file (zend_language_scanner.l:352) ==11759== by 0x6CA931: phar_compile_file (phar.c:3393) ==11759== by 0x94DD0E: zend_execute_scripts (zend.c:1228) ==11759== by 0x8B5E33: php_execute_script (main.c:2308) ==11759== by 0xA430C4: main (php_cli.c:1184) ==11759== 2==11759== ==11759== HEAP SUMMARY: ==11759== in use at exit: 46,688 bytes in 1,586 blocks ==11759== total heap usage: 29,304 allocs, 27,718 frees, 4,549,300 bytes allocated ==11759== ==11759== LEAK SUMMARY: ==11759== definitely lost: 0 bytes in 0 blocks ==11759== indirectly lost: 0 bytes in 0 blocks ==11759== possibly lost: 0 bytes in 0 blocks ==11759== still reachable: 46,688 bytes in 1,586 blocks ==11759== suppressed: 0 bytes in 0 blocks ==11759== Rerun with --leak-check=full to see details of leaked memory ==11759== ==11759== For counts of detected and suppressed errors, rerun with: -v ==11759== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 4 from 4) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=61186&edit=1
