FS#60924 - [shadow] useradd -D -s <any_shell> core dumps

Attached to Project: Arch Linux
Opened by alexander (pavard) - Wednesday, 28 November 2018, 02:21 GMT
Last edited by Dave Reisner (falconindy) - Saturday, 05 January 2019, 16:15 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To Dave Reisner (falconindy)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
useradd -D -s <any_shell> core dumps

Additional info:
* package version(s)
shadow 4.6-1
* config and/or log files etc.
----------------------------------------------->
(gdb) r
Starting program: /usr/bin/useradd -D -s /bin/sh
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff762d3c3 in __gen_tempname () from /usr/lib/libc.so.6
(gdb) bt
#0 0x00007ffff762d3c3 in __gen_tempname () from /usr/lib/libc.so.6
#1 0x000055555555b7a3 in ?? ()
#2 0x000055555555a5e9 in ?? ()
#3 0x00007ffff75e3223 in __libc_start_main () from /usr/lib/libc.so.6
#4 0x000055555555ad0a in ?? ()
(gdb)
----------------------------------------------->

Steps to reproduce:
execute as root: useradd -D -s <any_shell>

ps. there are similar bugs in other distributions: https://bugzilla.redhat.com/show_bug.cgi?id=1614563
This task depends upon

Closed by  Dave Reisner (falconindy)
Saturday, 05 January 2019, 16:15 GMT
Reason for closing:  Fixed
Additional comments about closing:  testing/shadow-4.6-2
Comment by loqs (loqs) - Wednesday, 28 November 2018, 14:07 GMT
https://github.com/shadow-maint/shadow/issues/125
Comment by Shaarad (shaaraddalvi) - Monday, 31 December 2018, 10:54 GMT
Dave, the fix seems to have gone in into the upstream shadow here - https://github.com/shadow-maint/shadow/commit/10e388efc2c786d1ec4ed007891bfefa8826b6fd Can you please update the package?
Comment by Dave Reisner (falconindy) - Monday, 31 December 2018, 13:16 GMT
This is now shadow-4.6-2 in [testing].

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