Your message dated Fri, 06 Feb 2026 08:10:14 +0000
with message-id <[email protected]>
and subject line Bug#1068904: fixed in procps 2:4.0.6-1
has caused the Debian Bug report #1068904,
regarding w: crashes because of the systemd support
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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--
1068904: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1068904
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: procps
Version: 2:4.0.4-4
Severity: normal
I noticed that w is segfaulting sometimes. Backtracing it showed the
issue. Running `w -hs` crashes. The main function passes NULL utmp entry
together with the systemd session, while later print_from expects to be
able to access the utmp data.
(gdb) r
Starting program: /tmp/procps-4.0.4/src/.libs/w -hs
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
print_host (host=host@entry=0x4c <error: Cannot access memory at address 0x4c>,
len=16, len@entry=256, fromlen=fromlen@entry=16) at src/w.c:112
112 if (*host == '\0') break;
(gdb) bt
#0 print_host (host=host@entry=0x4c <error: Cannot access memory at address
0x4c>, len=16, len@entry=256, fromlen=fromlen@entry=16) at src/w.c:112
#1 0x0000555555557371 in print_from (session=session@entry=0x0, u=u@entry=0x0,
ip_addresses=ip_addresses@entry=0, fromlen=fromlen@entry=16) at src/w.c:264
#2 0x0000555555557e6e in showinfo (session=0x5555555654d0 "1794",
name=name@entry=0x55555555d800 "lumag", u=u@entry=0x0,
formtype=formtype@entry=0, maxcmd=maxcmd@entry=156, from=from@entry=1,
userlen=8, fromlen=16, ip_addresses=0, pids=0) at src/w.c:622
#3 0x000055555555671f in main (argc=<optimized out>, argv=<optimized out>) at
src/w.c:831
(gdb) list src/w.c:831
826 if (!strcmp(name, user))
827
showinfo(sessions_list[i], name, NULL, longform,
828 maxcmd, from,
userlen, fromlen,
829 ip_addresses,
pids);
830 } else {
831 showinfo(sessions_list[i],
name, NULL, longform, maxcmd,
832 from, userlen,
fromlen, ip_addresses, pids);
833 }
834 free(name);
835 free(sessions_list[i]);
(gdb) l src/w.c:264
259 if (len) { /* IP address is non-empty, print it (and
concatenate with display, if present) */
260 fputs(buf, stdout);
261 /* show the display part of the host or IPv6
link addr. interface, if present */
262 print_display_or_interface(u->ut_host,
UT_HOSTSIZE, fromlen - len);
263 } else { /* IP address is empty, print the host instead
*/
264 print_host(u->ut_host, UT_HOSTSIZE, fromlen);
265 }
266 } else { /* -i switch NOT used */
267 print_host(u->ut_host, UT_HOSTSIZE, fromlen);
268 }
-- System Information:
Debian Release: trixie/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 6.6.15-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/bash
Init: systemd (via /run/systemd/system)
Versions of packages procps depends on:
ii init-system-helpers 1.66
ii libc6 2.37-15
ii libncursesw6 6.4+20240113-1
ii libproc2-0 2:4.0.4-4
ii libsystemd0 255.4-1
ii libtinfo6 6.4+20240113-1
Versions of packages procps recommends:
ii psmisc 23.7-1
procps suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: procps
Source-Version: 2:4.0.6-1
Done: Craig Small <[email protected]>
We believe that the bug you reported is fixed in the latest version of
procps, 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 [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Craig Small <[email protected]> (supplier of updated procps 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: SHA512
Format: 1.8
Date: Thu, 29 Jan 2026 21:34:30 +1100
Source: procps
Binary: libproc2-1 libproc2-1-dbgsym libproc2-dev procps procps-dbgsym
Architecture: source amd64
Version: 2:4.0.6-1
Distribution: experimental
Urgency: medium
Maintainer: Craig Small <[email protected]>
Changed-By: Craig Small <[email protected]>
Description:
libproc2-1 - library for accessing process information from /proc
libproc2-dev - library for accessing process information from /proc
procps - /proc file system utilities
Closes: 469156 612146 883638 925437 926361 959375 978989 1068904 1080335 1108549
Changes:
procps (2:4.0.6-1) experimental; urgency=medium
.
* New upstream version
library and w: Don't check for sd_booted Closes: #1108549
pgrep: Match on process ID Closes: #612146
pgrep: Add --quiet option
pmap: add -k option to print raw names from kernel
ps.1: cols and collums alias width option Closes: #926361
ps.1: Add format equivalents Closes: #925437
slabtop: Increase column width Closes: #959375
sysctl: Use options after --system Closes: #978989
w: Add terminal mode to show all terminal sessions
w: Use process TTY as backup for user TTY Closes: #1080335
w: Use correct return value for sd_get_sessions Closes: #1068904
watch: Add --follow option Closes: #469156
watch: 256 color support
watch.1: Warn about -d permanent option Closes: #883638
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Files:
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7e41246e132394ae5d63ec52bd357af3 1577796 admin optional
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procps_4.0.6-1.debian.tar.xz
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