[Bug libc/5443] SIGSEGV occurs in strerror_r()

[Bug libc/5443] SIGSEGV occurs in strerror_r()

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=5443

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |fweimer at redhat dot com
              Flags|                            |security+

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=5443

--- Comment #6 from Florian Weimer <fweimer at redhat dot com> ---
Fix: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=9a69db292ac

This went into glibc 2.8.

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[drepper at redhat dot com]

------- Additional Comments From drepper at redhat dot com  2008-03-31 00:38 -------
The patch is in principal OK but since all gettext users only read the data it
is overly restrictive.  I've checked in an expanded version which avoids the
problem.

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             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://sourceware.org/bugzilla/show_bug.cgi?id=5443

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[ryo at np dot css dot fujitsu dot com]

------- Additional Comments From ryo at np dot css dot fujitsu dot com  2007-12-28 04:28 -------
Created an attachment (id=2163)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2163&action=view)
patch to fix this problem

I propose a following patch.

This patch adds lock between _dcigettext() and setlocale() using lock variables

 __libc_setlocale_lock . So _dcigettext() and setlocale() runs excluisively,
 and avoid segmentation fault.

I comfirmed that problem is resolved with this patch.

best regards,
Ryo Hirukawa


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http://sourceware.org/bugzilla/show_bug.cgi?id=5443

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[ryo at np dot css dot fujitsu dot com]

------- Additional Comments From ryo at np dot css dot fujitsu dot com  2007-12-17 09:20 -------
I confirmed it with Fedora8 again. 
In the uniprocessor environment, it was confirmed that the test program 
operated normally. 
However, the test program fails in SIGSEGV in the multiprocessor environment. 

Best regards,

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http://sourceware.org/bugzilla/show_bug.cgi?id=5443

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[drepper at redhat dot com]

------- Additional Comments From drepper at redhat dot com  2007-12-16 21:54 -------
*** Bug 5489 has been marked as a duplicate of this bug. ***

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                 CC|                            |madcoder at debian dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=5443

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[Bug libc/5443] SIGSEGV occurs in strerror_r()

[ismail at pardus dot org dot tr]

------- Additional Comments From ismail at pardus dot org dot tr  2007-12-15 09:51 -------
Can't confirm with glibc 2.7 on x86 32bit.

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                 CC|                            |ismail at pardus dot org dot
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http://sourceware.org/bugzilla/show_bug.cgi?id=5443

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