Bug#1054022: marked as done (libncursesw6: broken in GNU Screen)

Tue, 17 Oct 2023 08:54:15 -0700 

Your message dated Tue, 17 Oct 2023 15:50:04 +0000
with message-id <e1qsmka-00ba5k...@fasolo.debian.org>
and subject line Bug#1054022: fixed in ncurses 6.4+20231016-1
has caused the Debian Bug report #1054022,
regarding libncursesw6: broken in GNU Screen
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
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-- 
1054022: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054022
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message --- 
Package: libncursesw6
Version: 6.4+20231007-1
Severity: grave
Justification: renders package unusable

With libncursesw6 6.4+20231007-1, I get the following issue:

$ screen -dRR mutt /usr/bin/mutt
[screen is terminating]

after a few seconds (or immediately "[screen is terminating]" when
I hit a key). When rebuilding Mutt with debug support, this shows
that Mutt is actually running, but with no output, and I don't know
why it terminates.

Same issue with

  screen -dRR mutt sh -c "true; /usr/bin/mutt"

but

  screen -dRR mutt sh -c "sleep 1; /usr/bin/mutt"

appears to work. Some kind of race condition?

With

  /usr/bin/screen -dRR mutt strace -f -o str.out -s 256 /usr/bin/mutt

the strace output ends with

659013 openat(AT_FDCWD, "/usr/share/terminfo/s/screen.xterm-256color", 
O_RDONLY) = 3
659013 geteuid()                        = 1000
659013 setfsuid(1000)                   = 1000
659013 getegid()                        = 1000
659013 setfsgid(1000)                   = 1000
659013 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=3615, ...}, 
AT_EMPTY_PATH) = 0
659013 read(3, "\36\2=\0&\0\17\0q\1\247\5screen.xterm-256color|GNU Screen with 
xterm using 256 
colors\0\1\1\0\0\1\0\0\0\1\0\0\0\0\1\1\0\0\0\0\0\0\0\1\0\0\1\0\0\0\0\0\0\0\0\0\0\0\1\0P\0\0\0\10\0\0\0\30\0\0\0\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\0\1\0\0\0\0\1\0\0\0\4\0\6\0\10\0\31\0\36\0&\0*\0.\0\377\3779\0J\0L\0P\0W\0\377\377Y\0f\0\377\377j\0n\0x\0|\0\377\377\377\377\200\0\204\0\211\0\216\0\377\377\240\0\245\0\377\377\377\377\252\0\257\0\264\0\271\0\302\0\306\0\315\0\377\377"...,
 32768) = 3615
659013 read(3, "", 28672)               = 0
659013 close(3)                         = 0
659013 ioctl(1, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(1, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(1, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(1, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(1, TIOCGWINSZ, {ws_row=105, ws_col=333, ws_xpixel=3676, 
ws_ypixel=2124}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCSETSW, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 write(2, "\33[6n", 4)            = 4
659013 read(2, "", 19)                  = 0
659013 write(2, "\33[10000;10000H", 14) = 14
659013 write(2, "\33[6n", 4)            = 4
659013 read(2, "", 19)                  = 0
659013 write(2, "\33[437457153;385880577H", 22) = 22
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCSETSW, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCSETSW, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 write(2, "\33[6n", 4)            = 4
659013 read(2, "", 19)                  = 0
659013 write(2, "\33[10000;10000H", 14) = 14
659013 write(2, "\33[6n", 4)            = 4
659013 read(2, "", 19)                  = 0
659013 write(2, "\33[437457153;385880577H", 22) = 22
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ECHOE|ECHOK|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCSETSW, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 ioctl(2, TCGETS, {c_iflag=ICRNL|IUTF8, 
c_oflag=NL0|CR0|TAB0|BS0|VT0|FF0|OPOST|ONLCR, c_cflag=B38400|CS8|CREAD, 
c_lflag=ISIG|ICANON|ECHO|ECHOE|ECHOK|IEXTEN|ECHOCTL|ECHOKE, ...}) = 0
659013 mmap(NULL, 564432896, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 
-1, 0) = 0x7f7cbc5ff000
659013 write(2, "Error opening terminal: screen.xterm-256color.\n", 47) = 47
659013 exit_group(1)                    = ?
659013 +++ exited with 1 +++

Downgrading the ncurses packages to 6.4+20230625-2 makes this problem
disappear.

-- System Information:
Debian Release: trixie/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 
'stable-security'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 
'experimental')
merged-usr: no
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.5.0-2-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, 
TAINT_UNSIGNED_MODULE
Locale: LANG=POSIX, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libncursesw6 depends on:
ii  libc6      2.37-12
ii  libtinfo6  6.4+20231007-1

Versions of packages libncursesw6 recommends:
ii  libgpm2  1.20.7-10+b1

libncursesw6 suggests no packages.

-- no debconf information

-- 
Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

--- End Message ---
--- Begin Message --- 
Source: ncurses
Source-Version: 6.4+20231016-1
Done: Sven Joachim <svenj...@gmx.de>

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.

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 1054...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Sven Joachim <svenj...@gmx.de> (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 ftpmas...@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 17 Oct 2023 17:34:56 +0200
Source: ncurses
Architecture: source
Version: 6.4+20231016-1
Distribution: unstable
Urgency: medium
Maintainer: Ncurses Maintainers <ncur...@packages.debian.org>
Changed-By: Sven Joachim <svenj...@gmx.de>
Closes: 1054022
Changes:
 ncurses (6.4+20231016-1) unstable; urgency=medium
 .
   * New upstream patchlevel.
     - Make the recent change to setupterm optional and disable it
       by default (Closes: #1054022).
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