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r983 - in glibc-package/trunk/debian: . patches



Author: gotom
Date: 2005-08-01 15:35:23 +0000 (Mon, 01 Aug 2005)
New Revision: 983

Added:
   glibc-package/trunk/debian/patches/glibc235-execvp-fix.dpatch
Modified:
   glibc-package/trunk/debian/changelog
   glibc-package/trunk/debian/patches/00list
Log:
    * Serge Belyshev <belyshev@depni.sinp.msu.ru>:
      - debian/patches/glibc235-execvp-fix.dpatch: Fix execvp segv caused by
        invalid free pointer.



Modified: glibc-package/trunk/debian/changelog
===================================================================
--- glibc-package/trunk/debian/changelog	2005-07-29 09:07:28 UTC (rev 982)
+++ glibc-package/trunk/debian/changelog	2005-08-01 15:35:23 UTC (rev 983)
@@ -90,6 +90,10 @@
       - debian/debhelper.in/nscd.init: Provides a "status" option, fix the exit
         status if the script is given an unsupported option.  (Closes: #312404)
 
+    * Serge Belyshev <belyshev@depni.sinp.msu.ru>:
+      - debian/patches/glibc235-execvp-fix.dpatch: Fix execvp segv caused by
+        invalid free pointer.
+
  -- GOTO Masanori <gotom@debian.org>  Sun, 17 Jul 2005 17:27:30 +0900
 
 glibc (2.3.5-2) experimental; urgency=low

Modified: glibc-package/trunk/debian/patches/00list
===================================================================
--- glibc-package/trunk/debian/patches/00list	2005-07-29 09:07:28 UTC (rev 982)
+++ glibc-package/trunk/debian/patches/00list	2005-08-01 15:35:23 UTC (rev 983)
@@ -78,3 +78,4 @@
 glibc235-hppa-sysdeps
 glibc235-gcc4-s390-inline
 glibc235-gcc4-alpha-profile
+glibc235-execvp-fix

Added: glibc-package/trunk/debian/patches/glibc235-execvp-fix.dpatch
===================================================================
--- glibc-package/trunk/debian/patches/glibc235-execvp-fix.dpatch	2005-07-29 09:07:28 UTC (rev 982)
+++ glibc-package/trunk/debian/patches/glibc235-execvp-fix.dpatch	2005-08-01 15:35:23 UTC (rev 983)
@@ -0,0 +1,131 @@
+#! /bin/sh -e
+
+# All lines beginning with `# DP:' are a description of the patch.
+# DP: Description: fix BZ #1125
+# DP: Related bugs: Serge Belyshev <belyshev@depni.sinp.msu.ru>
+# DP: Dpatch author: Serge Belyshev <belyshev@depni.sinp.msu.ru>
+# DP: Patch author: Ulrich Drepper and Jakub Jelinek
+# DP: Upstream status: In CVS
+# DP: Status Details: 
+# DP: Date: 2005-07-29
+
+PATCHLEVEL=1
+
+if [ $# -ne 2 ]; then
+    echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
+    exit 1
+fi
+case "$1" in
+    -patch) patch -d "$2" -f --no-backup-if-mismatch -p$PATCHLEVEL < $0;;
+    -unpatch) patch -d "$2" -f --no-backup-if-mismatch -R -p$PATCHLEVEL < $0;;
+    *)
+	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
+	exit 1
+esac
+exit 0
+
+# append the patch here and adjust the -p? flag in the patch calls.
+2005-07-24  Ulrich Drepper  <drepper@redhat.com>
+
+        [BZ #1125]
+        * posix/Makefile (tests): Add tst-execvp4.
+        * posix/tst-execvp4.c: New file.
+
+2005-07-24  Jakub Jelinek  <jakub@redhat.com>
+
+        [BZ #1125]
+        * posix/execvp.c (execvp): Change path_malloc to
+        char *, free that pointer on failure.
+
+diff -purN a/posix/execvp.c b/posix/execvp.c
+--- a/posix/execvp.c	2005-07-26 01:15:32.000000000 +0400
++++ b/posix/execvp.c	2005-07-26 01:16:21.000000000 +0400
+@@ -88,7 +88,7 @@ execvp (file, argv)
+   else
+     {
+       char *path = getenv ("PATH");
+-      bool path_malloc = false;
++      char *path_malloc = NULL;
+       if (path == NULL)
+ 	{
+ 	  /* There is no `PATH' in the environment.
+@@ -100,7 +100,7 @@ execvp (file, argv)
+ 	    return -1;
+ 	  path[0] = ':';
+ 	  (void) confstr (_CS_PATH, path + 1, len);
+-	  path_malloc = true;
++	  path_malloc = path;
+ 	}
+ 
+       size_t len = strlen (file) + 1;
+@@ -108,8 +108,7 @@ execvp (file, argv)
+       char *name = malloc (pathlen + len + 1);
+       if (name == NULL)
+ 	{
+-	  if (path_malloc)
+-	    free (path);
++	  free (path_malloc);
+ 	  return -1;
+ 	}
+       /* Copy the file name at the top.  */
+@@ -190,8 +189,7 @@ execvp (file, argv)
+ 
+       free (script_argv);
+       free (name - pathlen);
+-      if (path_malloc)
+-	free (path);
++      free (path_malloc);
+     }
+ 
+   /* Return the error from the last attempt (probably ENOENT).  */
+diff -purN a/posix/Makefile b/posix/Makefile
+--- a/posix/Makefile	2005-07-26 01:15:32.000000000 +0400
++++ b/posix/Makefile	2005-07-26 01:16:21.000000000 +0400
+@@ -84,7 +84,7 @@ tests		:= tstgetopt testfnm runtests run
+ 		   transbug tst-rxspencer tst-pcre tst-boost \
+ 		   bug-ga1 tst-vfork1 tst-vfork2 tst-waitid \
+ 		   tst-getaddrinfo2 bug-glob1 bug-glob2 tst-sysconf \
+-		   tst-execvp1 tst-execvp2 tst-execlp1 tst-execlp2 \
++		   tst-execvp1 tst-execvp2 tst-execvp4 tst-execlp1 tst-execlp2 \
+ 		   tst-execv1 tst-execv2 tst-execl1 tst-execl2 \
+ 		   tst-execve1 tst-execve2 tst-execle1 tst-execle2
+ xtests		:= bug-ga2
+diff -purN a/posix/tst-execvp4.c b/posix/tst-execvp4.c
+--- a/posix/tst-execvp4.c	2005-07-26 01:15:32.000000000 +0400
++++ b/posix/tst-execvp4.c	2005-07-26 01:16:21.000000000 +0400
+@@ -0,0 +1,35 @@
++#include <errno.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <unistd.h>
++#include <sys/stat.h>
++
++static int
++do_test (void)
++{
++  char buf[40] = "/usr/bin/does-not-exist";
++  size_t stemlen = strlen (buf);
++  struct stat64 st;
++  int cnt = 0;
++  while (stat64 (buf, &st) != -1 || errno != ENOENT
++	 || stat64 (buf + 4, &st) != -1 || errno != ENOENT)
++    {
++      if (cnt++ == 100)
++	{
++	  puts ("cannot find a unique file name");
++	  return 0;
++	}
++
++      strcpy (buf + stemlen, ".XXXXXX");
++      mktemp (buf);
++    }
++
++  unsetenv ("PATH");
++  char *argv[] = { buf + 9, NULL };
++  execvp (argv[0], argv);
++  return 0;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"



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