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Nicolas Grekas 848a83078c bug #30327 [HttpKernel] Fix possible infinite loop of exceptions (enumag) This PR was merged into the 3.4 branch. Discussion ---------- [HttpKernel] Fix possible infinite loop of exceptions \| Q \| A \| ------------- \| --- \| Branch? \| 3.4 \| Bug fix? \| yes \| New feature? \| no \| BC breaks? \| no \| Deprecations? \| no \| Tests pass? \| yes \| Fixed tickets \| \| License \| MIT \| Doc PR \| I ran into an [issue](https://github.com/php-enqueue/enqueue-dev/issues/774) in the enqueue library which copied this part of code from Symfony. I'm now starting to understand what the problem is and it should most likely be fixed in Symfony as well. I didn't actually run into it in Symfony itself but it seems at least hypothetically possible. Imagine if [here](`8c3dc8254a/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php (L77)`) `$e` is somehow the same (===) as `$exception`. The code [below](https://github.com/symfony/symfony/blob/master/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php#L82-L92) will then find the last exception in the `getPrevious()` chain and assigns `$exception` as the previous. However in the off chance that `$exception` is actually `$e` (the first exception in the chain) then it creates an infinite loop of exceptions which is not good for monolog and exception handlers. What do you think? Commits ------- `3447222b68` [HttpKernel] Fix possible infinite loop of exceptions		2019-02-22 09:41:30 +01:00
.composer	Drop hirak/prestissimo	2016-05-12 07:44:15 -05:00
.github	add xabbuh as code owner of the Form component	2019-02-12 07:44:39 +01:00
src/Symfony	bug #30327 [HttpKernel] Fix possible infinite loop of exceptions (enumag)	2019-02-22 09:41:30 +01:00
.appveyor.yml	Fix CI	2018-11-29 16:06:32 +01:00
.editorconfig	Update .editorconfig	2018-09-06 16:22:56 +02:00
.gitignore	Add appveyor.yml for C.I. on Windows	2015-08-25 23:41:37 +02:00
.php_cs.dist	switched array() to []	2019-01-16 10:39:14 +01:00
.travis.yml	Use system wide memcached.so	2019-02-01 16:34:59 +01:00
CHANGELOG-3.0.md	Merge branch '2.8' into 3.1	2016-08-05 10:37:39 +02:00
CHANGELOG-3.1.md	updated CHANGELOG for 3.1.9	2017-01-12 12:43:31 -08:00
CHANGELOG-3.2.md	updated CHANGELOG for 3.2.13	2017-08-01 11:40:12 +02:00
CHANGELOG-3.3.md	updated CHANGELOG for 3.3.15	2018-01-05 08:28:38 +01:00
CHANGELOG-3.4.md	updated CHANGELOG for 3.4.22	2019-02-03 13:22:32 +01:00
CODE_OF_CONDUCT.md	Added the Code of Conduct file	2018-10-10 03:13:30 -07:00
CONTRIBUTING.md	Mention the community review guide	2016-12-18 22:02:35 +01:00
CONTRIBUTORS.md	update CONTRIBUTORS for 3.4.22	2019-02-03 13:22:40 +01:00
LICENSE	update year in license files	2019-01-01 14:45:19 +01:00
README.md	Merge branch '2.8' into 3.4	2018-05-25 16:50:57 +02:00
UPGRADE-3.0.md	Add framework asset changes to upgrade 3.0 guide	2018-11-06 16:58:15 +01:00
UPGRADE-3.1.md	[Serializer] Remove AbstractObjectNormalizer::isAttributeToNormalize	2016-12-08 16:02:32 +01:00
UPGRADE-3.2.md	Merge branch '2.8' into 3.4	2018-02-22 13:28:57 +01:00
UPGRADE-3.3.md	Merge branch '3.3' into 3.4	2017-11-30 15:59:23 +01:00
UPGRADE-3.4.md	Merge branch '2.8' into 3.4	2018-05-31 12:13:22 +02:00
UPGRADE-4.0.md	Merge branch '2.8' into 3.4	2018-05-31 12:13:22 +02:00
composer.json	[DoctrineBridge] allow dev versions of Doctrine again	2018-08-01 17:25:41 +02:00
link	Update Repository Symlink Helper	2018-02-11 12:15:02 +01:00
phpunit	Bump phpunit bridge cache id	2019-01-24 22:33:33 +01:00
phpunit.xml.dist	Merge branch '2.8' into 3.4	2018-11-11 20:48:54 +01:00

README.md

Symfony is a PHP framework for web applications and a set of reusable PHP components. Symfony is used by thousands of web applications (including BlaBlaCar.com and Spotify.com) and most of the popular PHP projects (including Drupal and Magento).

Installation

Install Symfony with Composer (see requirements details).
Symfony follows the semantic versioning strictly, publishes "Long Term Support" (LTS) versions and has a release process that is predictable and business-friendly.

Documentation

Read the Getting Started guide if you are new to Symfony.
Try the Symfony Demo application to learn Symfony in practice.
Master Symfony with the Guides and Tutorials, the Components docs and the Best Practices reference.

Community

Join the Symfony Community and meet other members at the Symfony events.
Get Symfony support on Stack Overflow, Slack, IRC, etc.
Follow us on GitHub, Twitter and Facebook.
Read our Code of Conduct and meet the CARE Team

Contributing

Symfony is an Open Source, community-driven project with thousands of contributors. Join them contributing code or contributing documentation.

Security Issues

If you discover a security vulnerability within Symfony, please follow our disclosure procedure.

About Us

Symfony development is sponsored by SensioLabs, led by the Symfony Core Team and supported by Symfony contributors.