util-linux/backport-cal-avoid-out-of-bound-write.patch
2024-12-16 02:37:59 +00:00

35 lines
1.0 KiB
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From 1be53cb47e5e94f5efecaf6ebc55311493343183 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Tue, 26 Dec 2023 11:18:00 +0100
Subject: [PATCH] cal: avoid out of bound write
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Reference:https://github.com/util-linux/util-linux/commit/1be53cb47e5e94f5efecaf6ebc55311493343183
Conflict:NA
---
misc-utils/cal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/misc-utils/cal.c b/misc-utils/cal.c
index 693449dbc..e6f4a6e4f 100644
--- a/misc-utils/cal.c
+++ b/misc-utils/cal.c
@@ -692,9 +692,9 @@ static void headers_init(struct cal_control *ctl)
for (i = 0; i < DAYS_IN_WEEK; i++) {
size_t space_left;
- if (i)
- strcat(cur_dh++, " ");
space_left = sizeof(day_headings) - (cur_dh - day_headings);
+ if (i && space_left)
+ strncat(cur_dh++, " ", space_left--);
if (space_left <= (ctl->day_width - 1))
break;
--
2.33.0