From: Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>
To: dev@dpdk.org
Cc: reshma.pattan@intel.com ,
cristian.dumitrescu@intel.com,
jananeex.m.parthasarathy@intel.com,
Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>,
stable@dpdk.org
Subject: [dpdk-dev] [PATCH] lib: fix strcat with equivalent logic
Date: Thu, 14 Feb 2019 09:35:42 +0000 [thread overview]
Message-ID: <1550136942-2813-1-git-send-email-tallurix.chaitanya.babu@intel.com> (raw)
In-Reply-To: <y>
Replace strcat with concatenation logic to avoid buffer overflow.
Fixes: a6a47ac9c2 ("cfgfile: rework load function")
Cc: stable@dpdk.org
Signed-off-by: Chaitanya Babu Talluri <tallurix.chaitanya.babu@intel.com>
---
lib/librte_cfgfile/rte_cfgfile.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
index 7d8c941ea..7616742f7 100644
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -227,7 +227,15 @@ rte_cfgfile_load_with_params(const char *filename, int flags,
while (end != NULL) {
if (*(end+1) == params->comment_character) {
*end = '\0';
- strcat(split[1], end+1);
+ int index = strlen(split[1]);
+ char *temp = end+1;
+ while (*temp != '\0') {
+ split[1][index] = *temp;
+ index++;
+ temp++;
+ }
+ split[1][index] = '\0';
+
} else
end++;
end = memchr(end, '\\', strlen(end));
--
2.17.2
next reply other threads:[~2019-02-14 9:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 9:35 Chaitanya Babu Talluri [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-02-14 9:30 Chaitanya Babu Talluri
2019-02-14 14:00 ` Bruce Richardson
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