From fdb93bb9e646fad0c763be43a53c11b2543bdcbe Mon Sep 17 00:00:00 2001
From: Yorhel <git@yorhel.nl>
Date: Wed, 6 Oct 2021 14:06:48 +0200
Subject: [PATCH] Fix use-after-free in argument parsing
Introduced in 53d3e4c112a475ecbaae42cc1e58d42b986d76fc
---
src/main.zig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/main.zig b/src/main.zig
index b8f19a5..bf210dc 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -429,7 +429,7 @@ pub fn main() void {
if (!opt.opt) {
// XXX: ncdu 1.x doesn't error, it just silently ignores all but the last argument.
if (scan_dir != null) ui.die("Multiple directories given, see ncdu -h for help.\n", .{});
- scan_dir = opt.val;
+ scan_dir = allocator.dupeZ(u8, opt.val) catch unreachable;
continue;
}
if (opt.is("-h") or opt.is("-?") or opt.is("--help")) help()
--
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