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Fix readlink call in ldconfig's chroot handling

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This commit is contained in:
Thomas Jarosch
2011-10-29 12:24:38 -04:00
committed by Ulrich Drepper
parent 51d91b1895
commit 1760874da6
3 changed files with 9 additions and 4 deletions
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4
ChangeLog
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@@ -1,5 +1,9 @@
2011-10-29 Ulrich Drepper <drepper@gmail.com>
[BZ #13335]
* elf/chroot_canon.c (chroot_canon): Fix readlink call.
Patch by Thomas Jarosch <thomas.jarosch@intra2net.com>.
* string/test-strchr.c: Make usable for strchrnul testing.
* string/test-strchrnul.c: New file.
* string/Makefile (strop-tests): Add strchrnul.

5
NEWS
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@@ -1,4 +1,4 @@
GNU C Library NEWS -- history of user-visible changes. 2011-10-27
GNU C Library NEWS -- history of user-visible changes. 2011-10-29
Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
See the end for copying conditions.
@@ -11,7 +11,8 @@ Version 2.15
6779, 6783, 9696, 11589, 12403, 12847, 12868, 12852, 12874, 12885, 12892,
12907, 12922, 12935, 13007, 13021, 13067, 13068, 13090, 13092, 13114,
13118, 13123, 13134, 13138, 13150, 13179, 13192, 13268, 13291, 13344
13118, 13123, 13134, 13138, 13150, 13179, 13192, 13268, 13291, 13335,
13344
* New program pldd to list loaded object of a process
Implemented by Ulrich Drepper.

4
elf/chroot_canon.c
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@@ -1,5 +1,5 @@
/* Return the canonical absolute name of a given file inside chroot.
Copyright (C) 1996,1997,1998,1999,2000,2001,2004,2005,2010
Copyright (C) 1996,1997,1998,1999,2000,2001,2004,2005,2010,2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -135,7 +135,7 @@ chroot_canon (const char *chroot, const char *name)
goto error;
}
n = readlink (rpath, buf, PATH_MAX);
n = readlink (rpath, buf, PATH_MAX - 1);
if (n < 0)
{
if (*end == '\0')