From 5d5cea67af386cfd53428f1eb404841eca8e9062 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 9 Apr 2007 21:13:58 -0700 Subject: [PATCH] Avoid overflowing name buffer in deep directory structures 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 Signed-off-by: Junio C Hamano --- dir.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/dir.c b/dir.c index 7426fde33..4f5a2241e 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; -- 2.30.2