Account for nul terminator in total_args_envs_auxvpointee_size

2025-12-07 19:38:14 +01:00
parent 6021ece539
commit 45a58f1a9e
1 changed files with 2 additions and 2 deletions
@@ -308,8 +308,8 @@ pub fn fexec_impl(
    )?;
    push(AT_PHENT)?;

-    let total_args_envs_auxvpointee_size = args.iter().map(|arg| arg.len()).sum::<usize>()
-        + envs.iter().map(|env| env.len()).sum::<usize>()
+    let total_args_envs_auxvpointee_size = args.iter().map(|arg| arg.len() + 1).sum::<usize>()
+        + envs.iter().map(|env| env.len() + 1).sum::<usize>()
        + extrainfo.cwd.map_or(0, |s| s.len() + 1)
        + extrainfo.default_scheme.map_or(0, |s| s.len() + 1);
    let args_envs_size_aligned = total_args_envs_auxvpointee_size.next_multiple_of(PAGE_SIZE);