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IDProjectCategoryView StatusDate SubmittedLast Update
0002034XdebugUncategorizedpublic2021-10-12 07:052021-10-15 13:19
ReporterMG Assigned To 
PrioritynormalSeveritycrashReproducibilityalways
Status closedResolutionfixed 
Product Version3.1.0 
Target Version3.1devFixed in Version3.1.1 
Summary0002034: Xdebug throws a Segmentation fault when 'set_time_limit' function is disabled
Description

Xdebug throws a Segmentation fault when 'set_time_limit' function is disabled

php -v
 PHP 8.0.11 (cli) (built: Sep 28 2021 14:47:01) ( NTS )
 Copyright (c) The PHP Group
 Zend Engine v4.0.11, Copyright (c) Zend Technologies
     with Xdebug v3.1.0, Copyright (c) 2002-2021, by Derick Rethans
Steps To Reproduce

Add following setting to your php ini file:

disable_functions = set_time_limit

Start php cli (even without script file)

php -m
Segmentation fault (core dumped)
Additional Information

Bug has been reproduced in:

  • apache module mode
  • cli mode

Docker container used, built from official Debian-based image

Tagscrash, php8.0
Operating SystemDebian Buster
PHP Version8.0.5-8.0.9

Activities

derick

2021-10-12 10:09

administrator   ~0006107

I can reproduce this on PHP 8 and later, with this one liner:

php -n -dzend_extension=xdebug -ddisable_functions=set_time_limit -m

derick

2021-10-12 14:43

administrator   ~0006108

https://github.com/xdebug/xdebug/pull/800

derick

2021-10-12 15:11

administrator   ~0006109

Fixed for 3.1.1.