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Bug 1451801 - "setfacl --restore" fails due to use of uninitialized memory
Summary: "setfacl --restore" fails due to use of uninitialized memory
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: acl
Version: 6.9
Hardware: Unspecified
OS: Unspecified
urgent
high
Target Milestone: rc
: ---
Assignee: Kamil Dudka
QA Contact: qe-baseos-daemons
URL:
Whiteboard:
Depends On: 1451820
Blocks: 1464897
TreeView+ depends on / blocked
 
Reported: 2017-05-17 14:41 UTC by Renaud Métrich
Modified: 2020-09-10 10:35 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1451820 1464897 (view as bug list)
Environment:
Last Closed: 2018-06-21 08:45:47 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Suggested fix (470 bytes, patch)
2017-05-17 14:41 UTC, Renaud Métrich 		no flags Details | Diff
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Description Renaud Métrich 2017-05-17 14:41:57 UTC 
Created attachment 1279726 [details]
Suggested fix

Description of problem:

When using "setfacl --restore <aclfile>" command, the command may fail when setting ACLs because of the reading of unitialized memory, causing unexpected code path to be executed.

Requesting backport of http://git.savannah.gnu.org/cgit/acl.git/commit?id=33f01b5d

Version-Release number of selected component (if applicable):

acl-2.2.49-7.el6.x86_64

How reproducible:

Always on customer setup, never on mine.

Additional info:

Backporting http://git.savannah.gnu.org/cgit/acl.git/commit?id=33f01b5d fixed the issue.
Comment 3 Kamil Dudka 2017-05-17 14:59:31 UTC 
As discussed privately, this is easy and safe to backport.  Moreover, the fix is already verified in customer's environment.
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