Fix buffer overflow in git diff

If PATH_MAX on your system is smaller than a path stored, it may cause
buffer overflow and stack corruption in diff_addremove() and diff_change()
functions when running git-diff

Signed-off-by: Dmitry Potapov <dpotapov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Dmitry Potapov
2008-07-16 18:54:02 +04:00
committed by Junio C Hamano
parent 620e2bb937
commit fd55a19eb1
5 changed files with 34 additions and 25 deletions

View File

@ -259,7 +259,7 @@ static int tree_difference = REV_TREE_SAME;
static void file_add_remove(struct diff_options *options,
int addremove, unsigned mode,
const unsigned char *sha1,
const char *base, const char *path)
const char *fullpath)
{
int diff = REV_TREE_DIFFERENT;
@ -285,7 +285,7 @@ static void file_change(struct diff_options *options,
unsigned old_mode, unsigned new_mode,
const unsigned char *old_sha1,
const unsigned char *new_sha1,
const char *base, const char *path)
const char *fullpath)
{
tree_difference = REV_TREE_DIFFERENT;
DIFF_OPT_SET(options, HAS_CHANGES);