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Integer overflow LimitIterator #19577
Description
Description
The following code:
<?php
$it = new ArrayIterator(array(0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D'));
$it = new LimitIterator($it, 2, PHP_INT_MAX);
foreach($it as $val=>$key)
$fusion = $clsAttr;Resulted in this output:
/home/phpfuzz/WorkSpace/flowfusion/php-src/ext/spl/spl_iterators.c:2194:2: runtime error: signed integer overflow: 2 + 9223372036854775807 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/phpfuzz/WorkSpace/flowfusion/php-src/ext/spl/spl_iterators.c:2194:2 in
To reproduce:
./php-src/sapi/cli/php ./test.php
Commit:
4a1789cc34c58e045140020e5cc283d6e6789ae7
Configurations:
CC="clang-12" CXX="clang++-12" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug --enable-address-sanitizer --enable-undefined-sanitizer --enable-re2c-cgoto --enable-fpm --enable-litespeed --enable-phpdbg-debug --enable-zts --enable-bcmath --enable-calendar --enable-dba --enable-dl-test --enable-exif --enable-ftp --enable-gd --enable-gd-jis-conv --enable-mbstring --enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-zend-test --with-zlib --with-bz2 --with-curl --with-enchant --with-gettext --with-gmp --with-mhash --with-ldap --with-libedit --with-readline --with-snmp --with-sodium --with-xsl --with-zip --with-mysqli --with-pdo-mysql --with-pdo-pgsql --with-pgsql --with-sqlite3 --with-pdo-sqlite --with-webp --with-jpeg --with-freetype --enable-sigchild --with-readline --with-pcre-jit --with-iconv
Operating System:
Ubuntu 20.04 Host, Docker 0599jiangyc/flowfusion:latest
This report is automatically generated by FlowFusion
PHP Version
nightly
Operating System
No response
Activity
Fix GH-19577: avoid integer overflow when using a small offset and PH…
Merge branch 'PHP-8.3' into PHP-8.4
Merge branch 'PHP-8.4'