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[Bug 1348150] Re: Memory corruption (using memory after freeing) in GNU Make

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Ubuntu Foundations Team Bug Bot <1348150@xxxxxxxxxxxxxxxxxx>
Date: Thu, 24 Jul 2014 20:25:02 -0000
Reply-to: Bug 1348150 <1348150@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
The attachment "0001-Fix-memory-corruption-use-after-free.patch" seems
to be a patch.  If it isn't, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are a member of the
~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issues please contact him.]

** Tags added: patch

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https://bugs.launchpad.net/bugs/1348150

Title:
  Memory corruption (using memory after freeing) in GNU Make

Status in “make-dfsg” package in Ubuntu:
  New
Status in “make-dfsg” package in Fedora:
  New

Bug description:
  I'm getting memory corruption (accessing memory after freeing) in GNU
  Make on trivial Makefile

  #---------------------------------------------------------------
  release:        CXXFLAGS ?= -O2 -mfpmath=sse
  debug:          CXXFLAGS ?= -g
  CXXFLAGS ?= -O2 -g

  release debug all:
          @echo $(CXXFLAGS)
          @echo $(CXX)
  #---------------------------------------------------------------

  when providing value of CXXFLAGS in command line. For example

  make CXXFLAGS=-O2

  Reproduced on:

  Ubuntu 14.04 LTS x86_64
  Ubuntu 12.04.4 LTS i686 (really chroot)

  Also reproduced with GNU Make-3.82 from ftp.gnu.org compiled from
  sources. Did not happen with GNU Make 4.0 from ftp.gnu.org

  Valgrind error messages (package installed on Ubuntu 14.04 LTS x86_64):
  ==4354== Memcheck, a memory error detector
  ==4354== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
  ==4354== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright info
  ==4354== Command: make CXXFLAGS=-O3
  ==4354== 
  ==4354== Invalid read of size 1
  ==4354==    at 0x4C2E0E2: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x4EC066D: strdup (strdup.c:41)
  ==4354==    by 0x4122B8: ??? (in /usr/bin/make)
  ==4354==    by 0x416070: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354==  Address 0x520e880 is 0 bytes inside a block of size 4 free'd
  ==4354==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x416067: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354== 
  ==4354== Invalid read of size 1
  ==4354==    at 0x4C2E0F4: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x4EC066D: strdup (strdup.c:41)
  ==4354==    by 0x4122B8: ??? (in /usr/bin/make)
  ==4354==    by 0x416070: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354==  Address 0x520e881 is 1 bytes inside a block of size 4 free'd
  ==4354==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x416067: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354== 
  ==4354== Invalid read of size 2
  ==4354==    at 0x4C2FDC0: __GI_memcpy (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x4122B8: ??? (in /usr/bin/make)
  ==4354==    by 0x416070: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354==  Address 0x520e880 is 0 bytes inside a block of size 4 free'd
  ==4354==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==4354==    by 0x416067: ??? (in /usr/bin/make)
  ==4354==    by 0x416BA3: ??? (in /usr/bin/make)
  ==4354==    by 0x416F73: ??? (in /usr/bin/make)
  ==4354==    by 0x403216: ??? (in /usr/bin/make)
  ==4354==    by 0x4E58EC4: (below main) (libc-start.c:287)
  ==4354== 

  From similar test with make-3.82 I'm getting:

  ==24068== Memcheck, a memory error detector
  ==24068== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
  ==24068== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright info
  ==24068== Command: make-3.82 CXXFLAGS=-O3
  ==24068== 
  ==24068== Invalid read of size 1
  ==24068==    at 0x4C2E0E2: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x4EC066D: strdup (strdup.c:41)
  ==24068==    by 0x412E88: xstrdup (misc.c:413)
  ==24068==    by 0x416B8B: eval (read.c:1818)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068==  Address 0x521c650 is 0 bytes inside a block of size 4 free'd
  ==24068==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x416B82: eval (read.c:1817)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068== 
  ==24068== Invalid read of size 1
  ==24068==    at 0x4C2E0F4: strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x4EC066D: strdup (strdup.c:41)
  ==24068==    by 0x412E88: xstrdup (misc.c:413)
  ==24068==    by 0x416B8B: eval (read.c:1818)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068==  Address 0x521c651 is 1 bytes inside a block of size 4 free'd
  ==24068==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x416B82: eval (read.c:1817)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068== 
  ==24068== Invalid read of size 2
  ==24068==    at 0x4C2FDC0: __GI_memcpy (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x412E88: xstrdup (misc.c:413)
  ==24068==    by 0x416B8B: eval (read.c:1818)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068==  Address 0x521c650 is 0 bytes inside a block of size 4 free'd
  ==24068==    at 0x4C2BDEC: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
  ==24068==    by 0x416B82: eval (read.c:1817)
  ==24068==    by 0x417469: eval_makefile (read.c:423)
  ==24068==    by 0x417823: read_all_makefiles (read.c:257)
  ==24068==    by 0x403410: main (main.c:1659)
  ==24068==

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: make 3.81-8.2ubuntu3
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Thu Jul 24 14:35:00 2014
  Dependencies:
   gcc-4.9-base 4.9.1-1 [origin: unknown]
   libc6 2.19-0ubuntu6
   libgcc1 1:4.9.1-1 [origin: unknown]
   multiarch-support 2.19-0ubuntu6
  InstallationDate: Installed on 2014-07-07 (17 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  SourcePackage: make-dfsg
  UpgradeStatus: No upgrade log present (probably fresh install)

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References

[Bug 1348150] [NEW] Memory corruption (using memory after freeing) in GNU Make
From: Andris, 2014-07-24