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authorAndy Green <andy@warmcat.com>2007-05-02 15:49:06 +0400
committerSam Ravnborg <sam@ravnborg.org>2007-05-02 23:35:03 +0400
commit04c58f8196b386948abf68128605de3d2db3c6ba (patch)
treef8dc6efb0d8911ee6092830c6bbdc7910bca3d5f
parent1e093ecd4a850ad61b93d84c221e342a67ea9d56 (diff)
downloadlinux-04c58f8196b386948abf68128605de3d2db3c6ba.tar.xz
kbuild: scripts/basic/fixdep segfault on pathological string-o-death
build scripts: fixdep blows segfault on string CONFIG_MODULE seen The string "CONFIG_MODULE" appearing anywhere in a source file causes fixdep to segfault. This string appeared in the wild in the current mISDN sources (I think they meant CONFIG_MODULES). But it shouldn't segfault (esp as CONFIG_MODULE appeared in a quoted string). Signed-off-by: Andy Green <andy@warmcat.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
-rw-r--r--scripts/basic/fixdep.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 6bc7e7cfccf6..8912c0f5460b 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -249,6 +249,8 @@ void parse_config_file(char *map, size_t len)
found:
if (!memcmp(q - 7, "_MODULE", 7))
q -= 7;
+ if( (q-p-7) < 0 )
+ continue;
use_config(p+7, q-p-7);
}
}