The fix is currently in Trusty, which means it's not directly accessible
to Saucy. Within a few days, the fix should be in the -proposed
repository.

Also, shouldn't ~ubuntu-sru be subscribed?

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https://bugs.launchpad.net/bugs/1210785

Title:
  wpa_supplicant crashed with SIGSEGV

Status in “wpa” package in Ubuntu:
  Fix Released
Status in “wpa” source package in Saucy:
  In Progress

Bug description:
  [Impact]
  Any user of wpasupplicant, provided they have hardware that reports 
supporting P2P, possibly others as well. This is timing related in how 
wpasupplicant handles management interface changes (usually from request of 
another process, such as NetworkManager).

  [Regression potential]
  This fixes a known issue in the logic handling the p2p (wpa) context in 
wpasupplicant, specifically for P2P, so not expected to actually break things 
for a lot of people, given that P2P, although enabled, is not currently 
supported by NetworkManager or any other way except with manual configuration 
of wpasupplicant.
  If anything, what would be likely to break is tracking of the context for a 
p2p supplicant: in other words, it could be possible for the context (the way 
for the supplicant to get to the control interface, and as such possibly log 
information or errors) for the p2p supplicant (the supplicant process 
specifically for Wifi P2P support, which is somewhat separate from the standard 
wifi process) to be lost as the management interface changes due to command 
line requests, suspend/resume cycle, etc. causing a change in the available 
interfaces. I hope this is somewhat clear-ish ;)

  [Test Case]
  1) remove wpa crash files from /var/crash:
  rm -f /var/crash/_sbin_wpa*

  2) Suspend/resume repeatedly until the supplicant crashes.

  Without the patch, you should see an apport dialog pop up after a few cycles 
(possibly within 10 cycles?)
  With the patch, the supplicant should not crash.

  ----

  wpa_supplicant crashed with SIGSEGV

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: wpasupplicant 1.0-3ubuntu2
  ProcVersionSignature: Ubuntu 3.11.0-1.4-generic 3.11.0-rc4
  Uname: Linux 3.11.0-1-generic i686
  ApportVersion: 2.12-0ubuntu3
  Architecture: i386
  CrashCounter: 1
  Date: Sat Aug 10 16:58:28 2013
  ExecutablePath: /sbin/wpa_supplicant
  InstallationDate: Installed on 2013-08-06 (4 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130730)
  MarkForUpload: True
  ProcCmdline: /sbin/wpa_supplicant -B -P 
/run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant
  ProcEnviron:

  SegvAnalysis:
   Segfault happened at: 0x81028d0:     mov    0x4(%esi),%edx
   PC (0x081028d0) ok
   source "0x4(%esi)" (0x0000012d) not located in a known VMA region (needed 
readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: wpa
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: wpa_supplicant crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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