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Bug 167921 - Incomming sequence arguments only 4096 elements long
Incomming sequence arguments only 4096 elements long
Product: Fedora
Classification: Fedora
Component: ORBit2 (Show other bugs)
All Linux
medium Severity high
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Assigned To: Matthias Clasen
Depends On:
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Reported: 2005-09-09 11:52 EDT by Martin Blom
Modified: 2007-11-30 17:11 EST (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2006-11-27 01:28:30 EST
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Description Martin Blom 2005-09-09 11:52:01 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.10) Gecko/20050720 Fedora/1.0.6-1.1.fc4 Firefox/1.0.6

Description of problem:
While tracking down what appears to be a memory trashing bug in out ORBit-using software, I noticed that the length of incomming sequences (of floats) had the value 4096 encoded in ORBitMemHow for _buffer, even though the _maximum/_length said (in our case) 8192 or 16777216.

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

How reproducible:

Steps to Reproduce:
1. No code, sorry

Additional info:

The value 4096 appears in ORBit_demarshal_value(), which in turn calls ORBit_realloc_tcval(). Shouldn't ORBit_realloc_tcval() update the ORBit_MemPrefix and ORBitMemHow information? It seems to me that otherwise, ORBit_free_T() would only call free_fn() on the first 4096 elements.

Not that I think it's related to our memory trashing problems, but I though I sould report it anyway. I suspect it could lead to severe memory leaks if the elements were not plain basic types.
Comment 1 Matthias Clasen 2006-11-27 01:28:30 EST
Thank you for the bug report. However, Fedora Project no longer maintains this
version of the product. Please upgrade to the latest version and open a new bug
if the problem persists.

The Fedora Legacy project (http://fedoralegacy.org/) maintains some older
releases, and if you believe this bug is interesting to them, please report the
problem against Fedora Legacy component

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