[Bug 1037357] Re: at-spi2-registryd crashed with SIGSEGV in register_client()

[Brian Murray]

This bug too is missing a test case although looking at the error
tracker for the new package version not appearing in the bucket from the
bug description should be sufficient.

** Description changed:

  Impact:
  Users occasionally experience crashes from at-spi2-registryd on their system, even though they may not be using any applications that use at-spi.
  
  Regression potential:
  Minimal to nonexistant. The proposed patch adds extra checks to make sure there is an error mesage.
  
+ 
+ Errors bucket:
+ https://errors.ubuntu.com/bucket/?id=/usr/lib/at-spi2-core/at-spi2-registryd:11:register_client:main
  .
  
- ProblemType: Crash
- DistroRelease: Ubuntu 12.10
+ ProblemType: CrashDistroRelease: Ubuntu 12.10
  Package: at-spi2-core 2.5.5-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-10.10-generic 3.5.1
  Uname: Linux 3.5.0-10-generic i686
  ApportVersion: 2.4-0ubuntu6
  Architecture: i386
  Date: Wed Aug 15 20:21:02 2012
  ExecutablePath: /usr/lib/at-spi2-core/at-spi2-registryd
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120803.1)
  ProcCmdline: /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
  ProcEnviron:
-  SHELL=/bin/bash
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
+  SHELL=/bin/bash
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
  SegvAnalysis:
-  Segfault happened at: 0xb77305bf <main+847>:	mov    0x8(%eax),%eax
-  PC (0xb77305bf) ok
-  source "0x8(%eax)" (0x00000008) not located in a known VMA region (needed readable region)!
-  destination "%eax" ok
+  Segfault happened at: 0xb77305bf <main+847>:	mov    0x8(%eax),%eax
+  PC (0xb77305bf) ok
+  source "0x8(%eax)" (0x00000008) not located in a known VMA region (needed readable region)!
+  destination "%eax" ok
  SegvReason: reading NULL VMA
- Signal: 11
- SourcePackage: at-spi2-core
+ Signal: 11SourcePackage: at-spi2-core
  Stacktrace:
-  #0  0xb77305bf in main ()
-  No symbol table info available.
+  #0  0xb77305bf in main ()
+  No symbol table info available.
  StacktraceTop: main ()
  Title: at-spi2-registryd crashed with SIGSEGV in main()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Changed in: at-spi2-core (Ubuntu Saucy)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1037357

Title:
  at-spi2-registryd crashed with SIGSEGV in register_client()

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