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[PATCH] Update in-kernel zlib routines

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These bugs have been fixed in the standard zlib for a while.

See for example

 a) http://sources.redhat.com/ml/bug-gnu-utils/1999-06/msg00183.html
 b) http://bugs.gentoo.org/show_bug.cgi?id=94584

Signed-off-by: Tim Yamin <plasmaroo@gentoo.org>
Signed-off-by: Tavis Ormandy <taviso@gentoo.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Tim Yamin 2005-07-25 23:16:13 +01:00 committed by Linus Torvalds
parent 00a5dfdb93
commit 4aad724d3e
3 changed files with 12 additions and 9 deletions
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3
arch/ppc64/boot/zlib.c
View file

@ -1307,7 +1307,7 @@ local int huft_build(
{
*t = (inflate_huft *)Z_NULL;
*m = 0;
return Z_OK;
return Z_DATA_ERROR;
}
@ -1351,6 +1351,7 @@ local int huft_build(
if ((j = *p++) != 0)
v[x[j]++] = i;
} while (++i < n);
n = x[g]; /* set n to length of v */
/* Generate the Huffman codes and for each, make the table entries */

16
lib/inflate.c
View file

@ -326,7 +326,7 @@ DEBG("huft1 ");
{
*t = (struct huft *)NULL;
*m = 0;
return 0;
return 2;
}
DEBG("huft2 ");
@ -374,6 +374,7 @@ DEBG("huft5 ");
if ((j = *p++) != 0)
v[x[j]++] = i;
} while (++i < n);
n = x[g]; /* set n to length of v */
DEBG("h6 ");
@ -410,12 +411,13 @@ DEBG1("1 ");
DEBG1("2 ");
f -= a + 1; /* deduct codes from patterns left */
xp = c + k;
while (++j < z) /* try smaller tables up to z bits */
{
if ((f <<= 1) <= *++xp)
break; /* enough codes to use up j bits */
f -= *xp; /* else deduct codes from patterns */
}
if (j < z)
while (++j < z) /* try smaller tables up to z bits */
{
if ((f <<= 1) <= *++xp)
break; /* enough codes to use up j bits */
f -= *xp; /* else deduct codes from patterns */
}
}
DEBG1("3 ");
z = 1 << j; /* table entries for j-bit table */

2
lib/zlib_inflate/inftrees.c
View file

@ -141,7 +141,7 @@ static int huft_build(
{
*t = NULL;
*m = 0;
return Z_OK;
return Z_DATA_ERROR;
}