When parsing tree entries, reject mode values that don't fit into an
unsigned int.
Signed-off-by: René Scharfe <l.s.r@xxxxxx>
---
tree-walk.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tree-walk.c b/tree-walk.c
index 74f4d710e8..5e7bc38600 100644
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -17,6 +17,8 @@ static const char *get_mode(const char *str, unsigned int *modep)
while ((c = *str++) != ' ') {
if (c < '0' || c > '7')
return NULL;
+ if ((mode << 3) >> 3 != mode)
+ return NULL;
mode = (mode << 3) + (c - '0');
}
*modep = mode;
--
2.39.1
