From: Aizal Khan <aizumusheer2@gmail.com>
Date: Tue, 7 Jul 2026 10:14:38 +0000 (+0530)
Subject: col: guard c_width sign before size_t cast in BS branch
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d255a1ea5831a7c72b871a508a5a2cd69f028d6;p=thirdparty%2Futil-linux.git

col: guard c_width sign before size_t cast in BS branch

Signed-off-by: Aizal Khan <aizumusheer2@gmail.com>
---

diff --git a/text-utils/col.c b/text-utils/col.c
index 9c0c9acef..9c8f9c225 100644
--- a/text-utils/col.c
+++ b/text-utils/col.c
@@ -397,7 +397,7 @@ static int handle_not_graphic(struct col_ctl *ctl, struct col_lines *lns)
 		if (lns->cur_col == 0)
 			return 1;	/* can't go back further */
 		if (lns->c) {
-			if ((size_t) lns->c->c_width <= lns->cur_col)
+			if (lns->c->c_width >= 0 && (size_t) lns->c->c_width <= lns->cur_col)
 				lns->cur_col -= lns->c->c_width;
 			else
 				lns->cur_col = 0;