Your message dated Tue, 28 Sep 2010 23:32:21 +0000
with message-id <[email protected]>
and subject line Bug#597175: fixed in ncurses 5.7+20100313-4
has caused the Debian Bug report #597175,
regarding libncurses5: incorrect free of SCREEN in delscreen() make application
to crash or loop endlessly
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
597175: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597175
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libncurses5
Version: 5.7+20081213-1
Severity: normal
Tags: patch
Hello,
When porting an own application using ncurses from an old 5.5 version to
a current 5.7 (i.e. on a Debian Lenny system), I found a bug related to free
of screens (the application manages multiple terminals) : when the close
of terminals was in the same order they was created, the application
segfaulted or looped indefinitely. I identified the bug in the
delscreen() function, and more precisely in delink_screen() where the
global list of screens is incorrectly updated.
I've successfully tested my application with the simple patch attached.
This bug is also present in Squeeze and Sid. It has been fixed
upstream in 2010/4/24 (last version of Sid is 20100313), I checked this
with upstream authors (T. Dickey).
It would be nice if the patch could be integrated in next Lenny
release (if an
y) and also in coming Squeeze.
Thanks,
Fred.
-- System Information:
Debian Release: 5.0.6
APT prefers lenny
APT policy: (990, 'lenny'), (990, 'stable'), (800, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-2-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libncurses5 depends on:
ii libc6 2.7-18lenny4 GNU C Library: Shared libraries
Versions of packages libncurses5 recommends:
ii libgpm2 1.20.4-3.1 General Purpose Mouse -
shared lib
libncurses5 suggests no packages.
-- no debconf information
diff -Naur ncurses-5.7+20081213/ncurses/base/lib_set_term.c ncurses-5.7+20081213mod/ncurses/base/lib_set_term.c
--- ncurses-5.7+20081213/ncurses/base/lib_set_term.c 2008-08-04 20:11:12.000000000 +0200
+++ ncurses-5.7+20081213mod/ncurses/base/lib_set_term.c 2010-09-17 11:13:37.000000000 +0200
@@ -106,7 +106,7 @@
for (each_screen(temp)) {
if (temp == sp) {
if (last)
- last = sp->_next_screen;
+ last->_next_screen = sp->_next_screen;
else
_nc_screen_chain = sp->_next_screen;
result = TRUE;
--- End Message ---
--- Begin Message ---
Source: ncurses
Source-Version: 5.7+20100313-4
We believe that the bug you reported is fixed in the latest version of
ncurses, which is due to be installed in the Debian FTP archive:
lib32ncurses5-dev_5.7+20100313-4_amd64.deb
to main/n/ncurses/lib32ncurses5-dev_5.7+20100313-4_amd64.deb
lib32ncurses5_5.7+20100313-4_amd64.deb
to main/n/ncurses/lib32ncurses5_5.7+20100313-4_amd64.deb
lib32ncursesw5-dev_5.7+20100313-4_amd64.deb
to main/n/ncurses/lib32ncursesw5-dev_5.7+20100313-4_amd64.deb
lib32ncursesw5_5.7+20100313-4_amd64.deb
to main/n/ncurses/lib32ncursesw5_5.7+20100313-4_amd64.deb
libncurses5-dbg_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncurses5-dbg_5.7+20100313-4_amd64.deb
libncurses5-dev_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncurses5-dev_5.7+20100313-4_amd64.deb
libncurses5_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncurses5_5.7+20100313-4_amd64.deb
libncursesw5-dbg_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncursesw5-dbg_5.7+20100313-4_amd64.deb
libncursesw5-dev_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncursesw5-dev_5.7+20100313-4_amd64.deb
libncursesw5_5.7+20100313-4_amd64.deb
to main/n/ncurses/libncursesw5_5.7+20100313-4_amd64.deb
ncurses-base_5.7+20100313-4_all.deb
to main/n/ncurses/ncurses-base_5.7+20100313-4_all.deb
ncurses-bin_5.7+20100313-4_amd64.deb
to main/n/ncurses/ncurses-bin_5.7+20100313-4_amd64.deb
ncurses-term_5.7+20100313-4_all.deb
to main/n/ncurses/ncurses-term_5.7+20100313-4_all.deb
ncurses_5.7+20100313-4.diff.gz
to main/n/ncurses/ncurses_5.7+20100313-4.diff.gz
ncurses_5.7+20100313-4.dsc
to main/n/ncurses/ncurses_5.7+20100313-4.dsc
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Sven Joachim <[email protected]> (supplier of updated ncurses package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Tue, 28 Sep 2010 07:08:17 +0200
Source: ncurses
Binary: libncurses5 libncurses5-dev libncurses5-dbg libncursesw5
libncursesw5-dev libncursesw5-dbg lib64ncurses5 lib64ncurses5-dev lib32ncurses5
lib32ncurses5-dev lib32ncursesw5 lib32ncursesw5-dev ncurses-bin ncurses-base
ncurses-term
Architecture: source amd64 all
Version: 5.7+20100313-4
Distribution: unstable
Urgency: low
Maintainer: Craig Small <[email protected]>
Changed-By: Sven Joachim <[email protected]>
Description:
lib32ncurses5 - shared libraries for terminal handling (32-bit)
lib32ncurses5-dev - developer's libraries for ncurses (32-bit)
lib32ncursesw5 - shared libraries for terminal handling (wide character
support) (
lib32ncursesw5-dev - developer's libraries for ncursesw (32-bit)
lib64ncurses5 - shared libraries for terminal handling (64-bit)
lib64ncurses5-dev - developer's libraries for ncurses (64-bit)
libncurses5 - shared libraries for terminal handling
libncurses5-dbg - debugging/profiling libraries for ncurses
libncurses5-dev - developer's libraries and docs for ncurses
libncursesw5 - shared libraries for terminal handling (wide character support)
libncursesw5-dbg - debugging/profiling libraries for ncurses
libncursesw5-dev - developer's libraries for ncursesw
ncurses-base - basic terminal type definitions
ncurses-bin - terminal-related programs and man pages
ncurses-term - additional terminal type definitions
Closes: 597175
Changes:
ncurses (5.7+20100313-4) unstable; urgency=low
.
* New patch 09-fix-delscreen-segfault.diff taken from upstream
patchlevel 20100501, fixes a segfault or infinite loop in applications
using multiple screens (Closes: #597175).
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