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From: Peng Fan <van.freenix@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] common: cli_simple: use strncpy instead of strcpy
Date: Sat,  9 Jan 2016 21:31:48 +0800	[thread overview]
Message-ID: <1452346308-16676-1-git-send-email-van.freenix@gmail.com> (raw)

Report Coverity log:
Destination buffer too small (STRING_OVERFLOW)
string_overflow: You might overrun the 1024 byte destination string
lastcommand by writing 1025 bytes from console_buffer

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
---
 common/cli_simple.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/cli_simple.c b/common/cli_simple.c
index 9c3d073..c51f963 100644
--- a/common/cli_simple.c
+++ b/common/cli_simple.c
@@ -276,7 +276,8 @@ void cli_simple_loop(void)
 
 		flag = 0;	/* assume no special flags for now */
 		if (len > 0)
-			strcpy(lastcommand, console_buffer);
+			strncpy(lastcommand, console_buffer,
+				CONFIG_SYS_CBSIZE + 1);
 		else if (len == 0)
 			flag |= CMD_FLAG_REPEAT;
 #ifdef CONFIG_BOOT_RETRY_TIME
-- 
2.6.2

             reply	other threads:[~2016-01-09 13:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-09 13:31 Peng Fan [this message]
2016-01-09 14:03 ` [U-Boot] [PATCH] common: cli_simple: use strncpy instead of strcpy Tom Rini
2016-01-10  4:59   ` Peng Fan

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