fix use after free in find_do_file v1 APPLIED

Rosie K Languet: 1
 fix use after free in find_do_file

 1 files changed, 4 insertions(+), 1 deletions(-)

[PATCH] fix use after free in find_do_file Export this patch

---
 src/main.ha | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main.ha b/src/main.ha
index ae42c2a..9365d99 100644
--- a/src/main.ha
+++ b/src/main.ha
@@ -402,8 +402,11 @@ fn find_do_file(target: str) (do_paths | void | errors::overflow) = {
 		};
 		path::add(&dobuf, "..")!;
 		const pathseg = path::basename(&dobuf);
+
 		if (pathseg == "/") break;
-		path::set(&targetbuf, pathseg, path::string(&targetbuf))?;
+		const targetdup = strings::dup(path::string(&targetbuf));
+		path::set(&targetbuf, pathseg, targetdup)?;
+		free(targetdup);
 	};
 };
 
-- 
2.40.0

Autumn! <autumnull@posteo.net>

1 year, 6 months ago

Thanks! Pushed with commit message slightly rephrased.

~Autumn