From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Jason Wessel <jason.wessel@windriver.com>,
Daniel Thompson <daniel.thompson@linaro.org>
Cc: kgdb-bugreport@lists.sourceforge.net,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] kdb: kdb_support: replace strcpy() by strscpy()
Date: Mon, 22 Apr 2019 11:21:06 -0500 [thread overview]
Message-ID: <20190422162106.GA28977@embeddedor> (raw)
The strcpy() function is being deprecated. Replace it by the safer
strscpy() and fix the following Coverity warning:
"You might overrun the 129-character fixed-size string ks_namebuf
by copying name without checking the length."
Addresses-Coverity-ID: 138995 ("Copy into fixed size buffer")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
kernel/debug/kdb/kdb_support.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index 50bf9b119bad..b8e6306e7e13 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -192,7 +192,7 @@ int kallsyms_symbol_complete(char *prefix_name, int max_len)
while ((name = kdb_walk_kallsyms(&pos))) {
if (strncmp(name, prefix_name, prefix_len) == 0) {
- strcpy(ks_namebuf, name);
+ strscpy(ks_namebuf, name, sizeof(ks_namebuf));
/* Work out the longest name that matches the prefix */
if (++number == 1) {
prev_len = min_t(int, max_len-1,
--
2.21.0
reply other threads:[~2019-04-22 16:21 UTC|newest]
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