Bug #77439 [NEW]: parse_str segfaults when inserting item into existing array

From: sjon at hortensius dot net Operating system: PHP version: 7.3.0 Package: Scripting Engine problem Bug Type: Bug Bug description:parse_str segfaults when inserting item into existing array Description: ------------ While deprecated, this shouldn't segfault Test script: --------------- See https://3v4l.org/mj3d2 <?php $a = []; parse_str('a[1]=1'); Expected result: ---------------- Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/mj3d2 on line 3 Actual result: -------------- Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/mj3d2 on line 3 Process exited with code 139. -- Edit bug report at https://bugs.php.net/bug.php?id=77439&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77439&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77439&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77439&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77439&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77439&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77439&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77439&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77439&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77439&r=support Expected behavior: https://bugs.php.net/fix.php?id=77439&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77439&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77439&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77439&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77439&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77439&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77439&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77439&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77439&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77439&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77439&r=mysqlcfg