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[Bug 1720627] Re: Segfault when using docker and overlay2

 

Based on my irc conversation with Dariusz... it seems like Debian and
Ubuntu devel release (bionic) only has half of the upstream commit. Only
fixing "count.c" and not "rd_stats.c".

Seems like there is a potential of 2 separate segfault scenario depending on sadc usage:
https://github.com/sysstat/sysstat/issues/162

I think it would be safe to address both situations right now in the
same SRU.

This will involve forwarding it to Debian and prepare a debdiff for
bionic (which are requirements before considering to SRU'd).

Once the above requirements are done, I'll gladly sponsor it.

Regards,
Eric



** Bug watch added: github.com/sysstat/sysstat/issues #162
   https://github.com/sysstat/sysstat/issues/162

** Changed in: sysstat (Ubuntu Artful)
       Status: New => In Progress

** Changed in: sysstat (Ubuntu Zesty)
       Status: New => In Progress

** Changed in: sysstat (Ubuntu Xenial)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1720627

Title:
  Segfault when using docker and overlay2

Status in sysstat package in Ubuntu:
  Fix Released
Status in sysstat source package in Xenial:
  In Progress
Status in sysstat source package in Zesty:
  In Progress
Status in sysstat source package in Artful:
  In Progress
Status in sysstat package in Debian:
  Fix Released

Bug description:
  [Impact]

   * With long entries in mtab tools utilizing the get_filesystem_nr and read_filesystem functions cause a segfault due to a fact that they don't
  check strchr result for being null.

  [Test Case]

   *

  [Regression Potential]

   * The fix is present upstream, so the behaviour will be consistent
  with the upstream version.

   * I don't see any potential regression manifestation, as this is a
  simple bugfix fixing ignoring function return values.

  [Other Info]
  Original bug description:

  This is the same bug as https://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=872926 which is fixed upstream by
  https://github.com/sysstat/sysstat/commit/d40c8ecc530303d7e802617f21a9ac85dbcd68bd

  Would it be possible to get this patch added?

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