fix: Remove invalid memory access for tracing field

Could read invalid memory and cause UB
wasmerio · Mar 7, 2023 · 202d9f1 · 202d9f1
1 parent 36eddab
commit 202d9f1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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?