[Bug 1028038] Re: sscanf always calls realloc/causes deadlock in google-perftools

[Chris J Arges]

** Description changed:

+ SRU Justification:
+ 
+ [Impact]
+ When using google-perftools eglibc causes a deadlock.
+ 
+ [Development Fix]
+ This is fixed in quantal.
+ 
+ [Stable Fix]
+ A fix can be backported from quantal into precise.
+ 
+ [Test Case]
+ Run google-perftools.
+ 
+ [Regression Potential]
+ Patch introduces changes in stdio-common/vfscanf.c.
+ 
+ --
+ 
  This is currently causing a deadlock in the google-perftools testing.
  
  The fix has been committed to glibc 2.16 - http://cygwin.com/ml/libc-
  alpha/2012-01/msg00026.html
  
  It would be great if either glibc could be upgraded to 2.16 or this
  patch applied to the version in quantal.
  
  I have verified locally that this resolves the deadlock issue in google-
  perftools.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: libc6 2.15-0ubuntu15
  ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7
  Uname: Linux 3.5.0-5-generic x86_64
  ApportVersion: 2.4-0ubuntu5
  Architecture: amd64
  Date: Mon Jul 23 17:33:24 2012
  SourcePackage: eglibc
  UpgradeStatus: Upgraded to quantal on 2012-06-11 (42 days ago)

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https://bugs.launchpad.net/bugs/1028038

Title:
  sscanf always calls realloc/causes deadlock in google-perftools

Status in “eglibc” package in Ubuntu:
  Fix Released
Status in “eglibc” source package in Precise:
  Triaged

Bug description:
  SRU Justification:

  [Impact]
  When using google-perftools eglibc causes a deadlock.

  [Development Fix]
  This is fixed in quantal.

  [Stable Fix]
  A fix can be backported from quantal into precise.

  [Test Case]
  Run google-perftools.

  [Regression Potential]
  Patch introduces changes in stdio-common/vfscanf.c.

  --

  This is currently causing a deadlock in the google-perftools testing.

  The fix has been committed to glibc 2.16 - http://cygwin.com/ml/libc-
  alpha/2012-01/msg00026.html

  It would be great if either glibc could be upgraded to 2.16 or this
  patch applied to the version in quantal.

  I have verified locally that this resolves the deadlock issue in
  google-perftools.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: libc6 2.15-0ubuntu15
  ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7
  Uname: Linux 3.5.0-5-generic x86_64
  ApportVersion: 2.4-0ubuntu5
  Architecture: amd64
  Date: Mon Jul 23 17:33:24 2012
  SourcePackage: eglibc
  UpgradeStatus: Upgraded to quantal on 2012-06-11 (42 days ago)

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