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* [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64
[not found] <bug-6684-131@http.sourceware.org/bugzilla/>
@ 2014-07-04 6:52 ` fweimer at redhat dot com
0 siblings, 0 replies; 5+ messages in thread
From: fweimer at redhat dot com @ 2014-07-04 6:52 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=6684
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
--- Comment #5 from Florian Weimer <fweimer at redhat dot com> ---
makecontext was removed from POSIX after deprecation, instead of being
clarified.
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* [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64
2008-06-20 22:55 [Bug libc/6684] New: " khoroshilov at linuxtesting dot org
` (2 preceding siblings ...)
2008-08-14 13:51 ` drepper at redhat dot com
@ 2008-08-14 20:26 ` khoroshilov at linuxtesting dot org
3 siblings, 0 replies; 5+ messages in thread
From: khoroshilov at linuxtesting dot org @ 2008-08-14 20:26 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From khoroshilov at linuxtesting dot org 2008-08-14 20:24 -------
(In reply to comment #3)
> (In reply to comment #2)
> > Should it be a bug in POSIX?
>
> No. You just don't understand how these functions work.
I thought I have not to khow how any functions work BEFORE reading their POSIX
definitions (man pages).
I do not see how to understand this usage limitation from the existing text if
the reader does not know implementation details.
POSIX follows a very good rule to explicitly specify any usage limitation and
here is an obvious violation of the rule.
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http://sourceware.org/bugzilla/show_bug.cgi?id=6684
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* [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64
2008-06-20 22:55 [Bug libc/6684] New: " khoroshilov at linuxtesting dot org
2008-08-14 3:38 ` [Bug libc/6684] " drepper at redhat dot com
2008-08-14 6:44 ` khoroshilov at linuxtesting dot org
@ 2008-08-14 13:51 ` drepper at redhat dot com
2008-08-14 20:26 ` khoroshilov at linuxtesting dot org
3 siblings, 0 replies; 5+ messages in thread
From: drepper at redhat dot com @ 2008-08-14 13:51 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2008-08-14 13:49 -------
(In reply to comment #2)
> Should it be a bug in POSIX?
No. You just don't understand how these functions work.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6684
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* [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64
2008-06-20 22:55 [Bug libc/6684] New: " khoroshilov at linuxtesting dot org
2008-08-14 3:38 ` [Bug libc/6684] " drepper at redhat dot com
@ 2008-08-14 6:44 ` khoroshilov at linuxtesting dot org
2008-08-14 13:51 ` drepper at redhat dot com
2008-08-14 20:26 ` khoroshilov at linuxtesting dot org
3 siblings, 0 replies; 5+ messages in thread
From: khoroshilov at linuxtesting dot org @ 2008-08-14 6:44 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From khoroshilov at linuxtesting dot org 2008-08-14 06:43 -------
(In reply to comment #1)
> This code is invalid. It just works by accident. You cannot leave the call
> frame you try to reinstate.
I do not see such restriction for applications neither in POSIX nor in man pages.
Should it be a bug in POSIX?
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6684
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* [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64
2008-06-20 22:55 [Bug libc/6684] New: " khoroshilov at linuxtesting dot org
@ 2008-08-14 3:38 ` drepper at redhat dot com
2008-08-14 6:44 ` khoroshilov at linuxtesting dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: drepper at redhat dot com @ 2008-08-14 3:38 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2008-08-14 03:37 -------
This code is invalid. It just works by accident. You cannot leave the call
frame you try to reinstate.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
http://sourceware.org/bugzilla/show_bug.cgi?id=6684
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end of thread, other threads:[~2014-07-04 6:52 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-6684-131@http.sourceware.org/bugzilla/>
2014-07-04 6:52 ` [Bug libc/6684] Segmentation fault after getcontext() and setcontext() on ppc64 fweimer at redhat dot com
2008-06-20 22:55 [Bug libc/6684] New: " khoroshilov at linuxtesting dot org
2008-08-14 3:38 ` [Bug libc/6684] " drepper at redhat dot com
2008-08-14 6:44 ` khoroshilov at linuxtesting dot org
2008-08-14 13:51 ` drepper at redhat dot com
2008-08-14 20:26 ` khoroshilov at linuxtesting dot org
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