[Bug 1926298] [NEW] Segfault added in the recent changes

Launchpad Bug Tracker 1926298 at bugs.launchpad.net
Tue Apr 27 20:26:56 UTC 2021


You have been subscribed to a public bug by Ubuntu Foundations Team Bug Bot (crichton):

The issue is new using https://code.launchpad.net/~dbungert/update-
notifier/+git/update-notifier/+merge/397367 , the previous revision
didn't have the issue

* Create a file 'bug'

'Name: bug
Priority: Low
Command: "/bin/true"
DisplayIf: /bin/true
Description: update notifier bug'

and copy it to /var/lib/update-notifier/user.d

->  update-notifier segfaults

(gdb) bt
#0  0x00007ffff718c769 in __GI___libc_free (mem=0x5550000aa7f9) at malloc.c:3288
#1  0x00007ffff7365215 in g_strfreev (str_array=<optimized out>) at ../../../glib/gstrfuncs.c:2553
#2  g_strfreev (str_array=0x5555555d9e00) at ../../../glib/gstrfuncs.c:2546
#3  0x000055555555dd2d in hook_command_exists (cmd=0x555555702600 "\"/usr/bin/eog\"") at hooks.c:137
#4  0x000055555555fd6e in is_hook_relevant (hook_file=0x555555829e7b "apt-file.update-notifier")
    at hooks.c:717
#5  0x000055555555ffb1 in check_update_hooks (ta=0x5555556c9a20) at hooks.c:781
#6  0x0000555555560715 in hook_tray_icon_init (ta=0x5555556c9a20) at hooks.c:969
#7  0x000055555555cd77 in tray_icons_init (un=0x55555562c3e0, 


It seems likely to be the error on top of the weekly report for hirsute but that's missing a stacktrace


One comment in addition on the change there, was the env split + iterate over pathdirs basically a re-implementation of https://developer.gnome.org/glib/stable/glib-Miscellaneous-Utility-Functions.html#g-find-program-in-path ? If there is particular reason to do that I would recommend just using the glib function instead (which might also fix the issue as a side effect, I didn't check)

** Affects: update-notifier (Ubuntu)
     Importance: High
     Assignee: Dan Bungert (dbungert)
         Status: Confirmed


** Tags: fr-1314 patch
-- 
Segfault added in the recent changes
https://bugs.launchpad.net/bugs/1926298
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