Bug 143362 - multiply qualifying expression fixes
multiply qualifying expression fixes
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: strace (Show other bugs)
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medium Severity high
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Assigned To: Roland McGrath
Brian Brock
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Depends On:
Blocks:
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Reported: 2004-12-19 17:29 EST by Dmitry V. Levin
Modified: 2007-11-30 17:10 EST (History)
0 users

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Fixed In Version: RHBA-2005-130
Doc Type: Bug Fix
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Last Closed: 2005-02-01 23:40:30 EST
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Attachments (Terms of Use)
strace-4.5.8-alt-qual.patch (1.78 KB, patch)
2004-12-19 17:32 EST, Dmitry V. Levin
no flags Details | Diff

  None (edit)
Description Dmitry V. Levin 2004-12-19 17:29:14 EST
Description of problem:
1. -e signal=!io (example from manpage) is broken.
2. Missing bounds checks of user input cause segfaults.

Version-Release number of selected component (if applicable):
strace-4.5.8

Steps to Reproduce:
Actual results:

$ env -i strace -e 'signal=!io' /bin/true
strace: invalid signal `io'
$ strace -e signal=999999 true
Segmentation fault
$ strace -e read=999999 true
Segmentation fault


Expected results:
$ env -i strace -e 'signal=!io' /bin/true
execve("/bin/true", ["/bin/true"], [/* 0 vars */]) = 0
_exit(0)                                = ?
$ strace -e signal=999999 true
strace: invalid signal `999999'
$ strace -e read=999999 true
strace: invalid descriptor `999999'
Comment 1 Dmitry V. Levin 2004-12-19 17:32:49 EST
Created attachment 108865 [details]
strace-4.5.8-alt-qual.patch

Proposed patch.
Comment 2 Roland McGrath 2005-02-01 23:40:30 EST
I've merged in those fixes.
Comment 3 Tim Powers 2005-05-19 17:10:03 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/RHBA-2005-131.html

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