Bug 676050
Summary: | perl threads crash on string evals | ||||||
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Product: | Red Hat Enterprise Linux 5 | Reporter: | Jeff Bastian <jbastian> | ||||
Component: | perl | Assignee: | Marcela Mašláňová <mmaslano> | ||||
Status: | CLOSED ERRATA | QA Contact: | Petr Šplíchal <psplicha> | ||||
Severity: | medium | Docs Contact: | |||||
Priority: | medium | ||||||
Version: | 5.6 | CC: | ohudlick, ppisar, psabata, psplicha | ||||
Target Milestone: | rc | Keywords: | Patch | ||||
Target Release: | --- | ||||||
Hardware: | Unspecified | ||||||
OS: | Linux | ||||||
Whiteboard: | |||||||
Fixed In Version: | perl-5.8.8-35.el5 | Doc Type: | Bug Fix | ||||
Doc Text: |
Cause
String evaluation in threads.
Consequence
String evaluation in threads can produce crash.
Fix
String evaluation is internally done in non threaded variables and module threads was updated to version 1.79.
Result
String evaluation do not lead to crashes.
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Story Points: | --- | ||||
Clone Of: | Environment: | ||||||
Last Closed: | 2012-02-21 05:40:23 UTC | Type: | --- | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
Bug Depends On: | 641320 | ||||||
Bug Blocks: | |||||||
Attachments: |
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Description
Jeff Bastian
2011-02-08 17:50:23 UTC
We would need update of threads to 1.71 from 1.07 and apply change of op.c from commit http://perl5.git.perl.org/perl.git/commit/401667e9af6ec282136e4e49614eb18614c5654b This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux. Created attachment 518708 [details]
newCONTSUB wasn't thread safe
This patch fix threads part in perl, but you also need update of threads module at least to 1.71.
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Cause String evaluation in threads. Consequence String evaluation in threads can produce crash. Fix String evaluation is internally done in non threaded variables and module threads was updated to version 1.79. Result String evaluation do not lead to crashes. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHBA-2012-0199.html |