[Bug 1622379] Re: SRU: sin(0)/sin(0) crash the the calculator

[Iain Lane]

I uploaded - thanks!

-- 
You received this bug notification because you are a member of Ubuntu
Sponsors Team, which is subscribed to the bug report.
https://bugs.launchpad.net/bugs/1622379

Title:
  SRU: sin(0)/sin(0) crash the the calculator

Status in GNOME Calculator:
  Fix Released
Status in gnome-calculator package in Ubuntu:
  Fix Released
Status in gnome-calculator source package in Xenial:
  In Progress

Bug description:
  [Impact]

  It is possible to cause gnome-calcualtor segfault when elements of
  division to zero have null assigned tokens. For example, the following
  calculation will trigger a segfault:

  sin(0)/sin(0)

  [Test Case]

  Open a terminal with CTRL+ALT+t and launch 'gnome-calculator'. Type
  the following into the equation entry area 'sin(0)/sin(0)' and press
  enter, gnome-calculator will segfault.

  When the patched 'gnome-calculator' package is installed performing
  the same calculation described above will not cause 'gnome-calculator'
  to crash and instead the following will be displayed: Division by zero
  is undefined

  A debdiff for Xenial is attached in comment #2:

    * https://bugs.launchpad.net/ubuntu/+source/gnome-
  calculator/+bug/1622379/comments/2

  [Regression Potential]

  None expected. The applied patch is taken directly from the following
  upstream commit:

    * https://git.gnome.org/browse/gnome-
  calculator/commit/?id=647eb687821fd74764a55767bf1e34f68f5df940

  gnome-calculator packages have been built in a PPA and tested.

  [Other Info]

  dw3 at linux:~$ gnome-calculator

  (gnome-calculator:29011): GLib-CRITICAL **: g_str_has_prefix:
  assertion 'str != NULL' failed

  (gnome-calculator:29011): GLib-CRITICAL **: g_str_has_prefix: assertion 'str != NULL' failed
  Segmentation fault (core dumped)
  dw3 at linux:~$

  sin(0)/sin(0) = NaN, but it crash the calculator

To manage notifications about this bug go to:
https://bugs.launchpad.net/gnome-calculator/+bug/1622379/+subscriptions