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* [Bug libc/9854] glibc opens up new tty to print *** %n in writable segment detected ***
[not found] <bug-9854-131@http.sourceware.org/bugzilla/>
@ 2014-07-01 20:53 ` fweimer at redhat dot com
0 siblings, 0 replies; 4+ messages in thread
From: fweimer at redhat dot com @ 2014-07-01 20:53 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=9854
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fweimer at redhat dot com
Flags| |security-
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* [Bug libc/9854] glibc opens up new tty to print *** %n in writable segment detected ***
2009-02-17 0:33 [Bug libc/9854] New: " walch dot martin at web dot de
2009-02-17 1:42 ` [Bug libc/9854] " drepper at redhat dot com
2009-02-17 8:38 ` walch dot martin at web dot de
@ 2009-09-11 20:03 ` kees at outflux dot net
2 siblings, 0 replies; 4+ messages in thread
From: kees at outflux dot net @ 2009-09-11 20:03 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From kees at outflux dot net 2009-09-11 20:02 -------
glibc attempts to write to the controlling terminal, in the hopes that it will
be noticed at the highest possible level. Especially since a process may have
closed its stderr already.
To explicitly disable this and try to write to fd 2, you can set the environment
variable LIBC_FATAL_STDERR_=1 (yes, there is a trailing underscore in the
variable name).
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http://sourceware.org/bugzilla/show_bug.cgi?id=9854
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* [Bug libc/9854] glibc opens up new tty to print *** %n in writable segment detected ***
2009-02-17 0:33 [Bug libc/9854] New: " walch dot martin at web dot de
2009-02-17 1:42 ` [Bug libc/9854] " drepper at redhat dot com
@ 2009-02-17 8:38 ` walch dot martin at web dot de
2009-09-11 20:03 ` kees at outflux dot net
2 siblings, 0 replies; 4+ messages in thread
From: walch dot martin at web dot de @ 2009-02-17 8:38 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From walch dot martin at web dot de 2009-02-17 08:38 -------
IMO the exact opposite is true. The message can not be logged and will be
discarded. It will be ignored, because it will not even be recognized.
It is always possible to ignore a warning, no matter how it is announced. But
when caring about important warnings, they are expected on stderr. I personally
prefer an operating system that cooperates and does not force me to keep a
terminal open.
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http://sourceware.org/bugzilla/show_bug.cgi?id=9854
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* [Bug libc/9854] glibc opens up new tty to print *** %n in writable segment detected ***
2009-02-17 0:33 [Bug libc/9854] New: " walch dot martin at web dot de
@ 2009-02-17 1:42 ` drepper at redhat dot com
2009-02-17 8:38 ` walch dot martin at web dot de
2009-09-11 20:03 ` kees at outflux dot net
2 siblings, 0 replies; 4+ messages in thread
From: drepper at redhat dot com @ 2009-02-17 1:42 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From drepper at redhat dot com 2009-02-17 01:42 -------
The message should not be ignored and the code in glibc works hard to always get
the message out. It works as it should.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
http://sourceware.org/bugzilla/show_bug.cgi?id=9854
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end of thread, other threads:[~2014-07-01 20:53 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-9854-131@http.sourceware.org/bugzilla/>
2014-07-01 20:53 ` [Bug libc/9854] glibc opens up new tty to print *** %n in writable segment detected *** fweimer at redhat dot com
2009-02-17 0:33 [Bug libc/9854] New: " walch dot martin at web dot de
2009-02-17 1:42 ` [Bug libc/9854] " drepper at redhat dot com
2009-02-17 8:38 ` walch dot martin at web dot de
2009-09-11 20:03 ` kees at outflux dot net
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