From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/bytemuck/tests/wrapper_forgets.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 vendor/bytemuck/tests/wrapper_forgets.rs (limited to 'vendor/bytemuck/tests/wrapper_forgets.rs') diff --git a/vendor/bytemuck/tests/wrapper_forgets.rs b/vendor/bytemuck/tests/wrapper_forgets.rs new file mode 100644 index 0000000..5484744 --- /dev/null +++ b/vendor/bytemuck/tests/wrapper_forgets.rs @@ -0,0 +1,13 @@ +use bytemuck::TransparentWrapper; + +#[repr(transparent)] +struct Wrap(Box); + +// SAFETY: it's #[repr(transparent)] +unsafe impl TransparentWrapper> for Wrap {} + +fn main() { + let value = Box::new(5); + // This used to duplicate the wrapped value, creating a double free :( + Wrap::wrap(value); +} -- cgit v1.2.3