[Bug 1036283] Re: callgrind_control cannot connect because of different executable name

[Colin Watson]

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** Tags added: verification-done

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Title:
  callgrind_control cannot connect because of different executable name

Status in “valgrind” package in Ubuntu:
  Fix Released
Status in “valgrind” source package in Precise:
  Fix Committed

Bug description:
  [Impact]
  When starting a Callgrind session using "valgrind", the actual executable name is "valgrind.bin". However, when callgrind_control searches for processes, its Perl regexp does not allow for this possibility. See callgrind_control line 32:
  Additionally the code contains several buffer overflows that can break depending on compiler optimizations.

  [TESTCASE]
    $ valgrind --tool=callgrind sleep 100 &
    $ callgrind_control -b
    No active callgrind runs detected.
  After making the change:
    $ valgrind --tool
    $ callgrind_control -b
    PID 23522: sleep 100

  [Regression Potential]
  the program currently doesn't work properly so there is little risk of things getting worse.
  The overflow fixes are applied upstream since several month and the process name fix is also in debian wheezy.

  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: valgrind 1:3.7.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
  Uname: Linux 3.2.0-27-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  Date: Mon Aug 13 18:30:06 2012
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: valgrind
  UpgradeStatus: Upgraded to precise on 2012-08-02 (11 days ago)

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