From aec63c06fda5ffba3b870ff898d904b5cfedcbed Mon Sep 17 00:00:00 2001
From: Joerg Jaspert <joerg@debian.org>
Date: Fri, 10 Jun 2022 23:42:16 +0200
Subject: [PATCH] Forbid octal numbers for width parameter

---
 src/uu/ls/src/ls.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/uu/ls/src/ls.rs b/src/uu/ls/src/ls.rs
index 2ebd2fb97..382528be0 100644
--- a/src/uu/ls/src/ls.rs
+++ b/src/uu/ls/src/ls.rs
@@ -570,7 +570,13 @@ impl Config {
 
         let width = match options.value_of(options::WIDTH) {
             Some(x) => match x.parse::<u16>() {
-                Ok(u) => u,
+                Ok(u) => {
+                    if u != 0 && x.starts_with('0') {
+                        return Err(LsError::InvalidLineWidth(x.into()).into());
+                    } else {
+                        u
+                    }
+                }
                 Err(_) => return Err(LsError::InvalidLineWidth(x.into()).into()),
             },
             None => match termsize::get() {