Bug 177300 - hugetlb_get_unmapped_area may overflow in X86_64 compat mode
hugetlb_get_unmapped_area may overflow in X86_64 compat mode
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
3.0
x86_64 Linux
medium Severity medium
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Assigned To: Larry Woodman
Brian Brock
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Depends On:
Blocks: 190430 212183
  Show dependency treegraph
 
Reported: 2006-01-09 05:34 EST by Bastien Nocera
Modified: 2007-11-30 17:07 EST (History)
3 users (show)

See Also:
Fixed In Version: RHSA-2007-0436
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2007-06-11 13:53:48 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
htest.c (509 bytes, text/plain)
2006-01-09 05:34 EST, Bastien Nocera
no flags Details
compat_huge_tasksize.patch (2.13 KB, patch)
2006-01-09 05:36 EST, Bastien Nocera
no flags Details | Diff

  None (edit)
Description Bastien Nocera 2006-01-09 05:34:29 EST
kernel 2.4.21-37.8.EL

The attached testcase segfaults when we should get a wrap-around at 4GB.
Comment 1 Bastien Nocera 2006-01-09 05:34:29 EST
Created attachment 122942 [details]
htest.c
Comment 2 Bastien Nocera 2006-01-09 05:36:02 EST
Created attachment 122943 [details]
compat_huge_tasksize.patch
Comment 10 Jay Turner 2007-02-20 07:47:40 EST
QE ack for 3.9.
Comment 11 Ernie Petrides 2007-03-19 23:42:09 EDT
A fix for this problem has just been committed to the RHEL3 U9
patch pool this evening (in kernel version 2.4.21-47.7.EL).
Comment 15 Red Hat Bugzilla 2007-06-11 13:53:48 EDT
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2007-0436.html

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