[Bug 948004] [NEW] valgrind can't redirect strlen for 32-bit executables

[Jay Foad]

Public bug reported:

On x86_64 I can't valgrind even a simple 32-bit program that uses
strlen. I get:

$ cat s.c
#include <string.h>
int main(int argc, const char *argv[]) {
  return strlen(argv[0]);
}
$ gcc -m32 -o s s.c && valgrind ./s
==6462== Memcheck, a memory error detector
==6462== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==6462== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==6462== Command: ./s
==6462== 

valgrind:  Fatal error at startup: a function redirection
valgrind:  which is mandatory for this platform-tool combination
valgrind:  cannot be set up.  Details of the redirection are:
valgrind:  
valgrind:  A must-be-redirected function
valgrind:  whose name matches the pattern:      strlen
valgrind:  in an object with soname matching:   ld-linux.so.2
valgrind:  was not found whilst processing
valgrind:  symbols from the object with soname: ld-linux.so.2
valgrind:  
valgrind:  Possible fixes: (1, short term): install glibc's debuginfo
valgrind:  package on this machine.  (2, longer term): ask the packagers
valgrind:  for your Linux distribution to please in future ship a non-
valgrind:  stripped ld.so (or whatever the dynamic linker .so is called)
valgrind:  that exports the above-named function using the standard
valgrind:  calling conventions for this platform.  The package you need
valgrind:  to install for fix (1) is called
valgrind:  
valgrind:    On Debian, Ubuntu:                 libc6-dbg
valgrind:    On SuSE, openSuSE, Fedora, RHEL:   glibc-debuginfo
valgrind:  
valgrind:  Cannot continue -- exiting now.  Sorry.

However, I already have libc6-dbg installed, and I can't find any 32-bit
multilib package called "libc6-dbg-i386" or similar.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: valgrind 1:3.7.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94-0ubuntu2
Architecture: amd64
Date: Tue Mar  6 13:33:39 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: valgrind
UpgradeStatus: Upgraded to precise on 2012-03-05 (1 days ago)

** Affects: valgrind (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise

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https://bugs.launchpad.net/bugs/948004

Title:
  valgrind can't redirect strlen for 32-bit executables

Status in “valgrind” package in Ubuntu:
  New

Bug description:
  On x86_64 I can't valgrind even a simple 32-bit program that uses
  strlen. I get:

  $ cat s.c
  #include <string.h>
  int main(int argc, const char *argv[]) {
    return strlen(argv[0]);
  }
  $ gcc -m32 -o s s.c && valgrind ./s
  ==6462== Memcheck, a memory error detector
  ==6462== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
  ==6462== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
  ==6462== Command: ./s
  ==6462== 

  valgrind:  Fatal error at startup: a function redirection
  valgrind:  which is mandatory for this platform-tool combination
  valgrind:  cannot be set up.  Details of the redirection are:
  valgrind:  
  valgrind:  A must-be-redirected function
  valgrind:  whose name matches the pattern:      strlen
  valgrind:  in an object with soname matching:   ld-linux.so.2
  valgrind:  was not found whilst processing
  valgrind:  symbols from the object with soname: ld-linux.so.2
  valgrind:  
  valgrind:  Possible fixes: (1, short term): install glibc's debuginfo
  valgrind:  package on this machine.  (2, longer term): ask the packagers
  valgrind:  for your Linux distribution to please in future ship a non-
  valgrind:  stripped ld.so (or whatever the dynamic linker .so is called)
  valgrind:  that exports the above-named function using the standard
  valgrind:  calling conventions for this platform.  The package you need
  valgrind:  to install for fix (1) is called
  valgrind:  
  valgrind:    On Debian, Ubuntu:                 libc6-dbg
  valgrind:    On SuSE, openSuSE, Fedora, RHEL:   glibc-debuginfo
  valgrind:  
  valgrind:  Cannot continue -- exiting now.  Sorry.

  However, I already have libc6-dbg installed, and I can't find any
  32-bit multilib package called "libc6-dbg-i386" or similar.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: valgrind 1:3.7.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  Uname: Linux 3.2.0-18-generic x86_64
  ApportVersion: 1.94-0ubuntu2
  Architecture: amd64
  Date: Tue Mar  6 13:33:39 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: valgrind
  UpgradeStatus: Upgraded to precise on 2012-03-05 (1 days ago)

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