From 202d9f1b1fd3a7647079cd2046651d53710ff0dc Mon Sep 17 00:00:00 2001
From: Christoph Herzog <chris@theduke.at>
Date: Tue, 7 Mar 2023 11:35:07 +0100
Subject: [PATCH] fix: Remove invalid memory access for tracing field

Could read invalid memory and cause UB
---
 lib/wasi/src/syscalls/wasi/fd_prestat_dir_name.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/wasi/src/syscalls/wasi/fd_prestat_dir_name.rs b/lib/wasi/src/syscalls/wasi/fd_prestat_dir_name.rs
index 75bfadd861a..13547b5dea1 100644
--- a/lib/wasi/src/syscalls/wasi/fd_prestat_dir_name.rs
+++ b/lib/wasi/src/syscalls/wasi/fd_prestat_dir_name.rs
@@ -13,6 +13,7 @@ pub fn fd_prestat_dir_name<M: MemorySize>(
     let path_chars = wasi_try_mem!(path.slice(&memory, path_len));
 
     let inode = wasi_try!(state.fs.get_fd_inode(fd));
+    Span::current().record("path", inode.name.as_ref());
 
     // check inode-val.is_preopened?