From 4aad724d3e52238e1ce005f166fbba5b4072a7f6 Mon Sep 17 00:00:00 2001 From: Tim Yamin Date: Mon, 25 Jul 2005 23:16:13 +0100 Subject: [PATCH] Update in-kernel zlib routines 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 Signed-off-by: Tavis Ormandy Signed-off-by: Linus Torvalds --- lib/inflate.c | 16 +++++++++------- lib/zlib_inflate/inftrees.c | 2 +- 2 files changed, 10 insertions(+), 8 deletions(-) (limited to 'lib') diff --git a/lib/inflate.c b/lib/inflate.c index 75e7d303c72e..6db6e98d1637 100644 --- a/lib/inflate.c +++ b/lib/inflate.c @@ -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 */ diff --git a/lib/zlib_inflate/inftrees.c b/lib/zlib_inflate/inftrees.c index 874950ec4858..c5f66fbb0dd0 100644 --- a/lib/zlib_inflate/inftrees.c +++ b/lib/zlib_inflate/inftrees.c @@ -141,7 +141,7 @@ static int huft_build( { *t = NULL; *m = 0; - return Z_OK; + return Z_DATA_ERROR; } -- cgit v1.2.3