This just makes sure that when we do a read_directory(), we check
that the filename fits in the buffer we allocated (with a bit of
slop)

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 dir.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dir.c b/dir.c
index 7426fde..4f5a224 100644
--- a/dir.c
+++ b/dir.c
@@ -353,6 +353,9 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 			     !strcmp(de->d_name + 1, "git")))
 				continue;
 			len = strlen(de->d_name);
+			/* Ignore overly long pathnames! */
+			if (len + baselen + 8 > sizeof(fullname))
+				continue;
 			memcpy(fullname + baselen, de->d_name, len+1);
 			if (simplify_away(fullname, baselen + len, simplify))
 				continue;
-- 
1.5.1.110.g1e4c

-
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