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* [dpdk-stable] [dpdk-dev] [PATCH 1/2] app/crypto-perf: use strcpy for allocated string
@ 2018-05-16  6:39 Jerin Jacob
  2018-05-16  6:39 ` [dpdk-stable] [dpdk-dev] [PATCH 2/2] app/crypto-perf: fix memcpy source range Jerin Jacob
                   ` (2 more replies)
  0 siblings, 3 replies; 11+ messages in thread
From: Jerin Jacob @ 2018-05-16  6:39 UTC (permalink / raw)
  To: dev; +Cc: thomas, Jerin Jacob, declan.doherty, andy, stable

inlined from ‘cperf_test_vector_get_from_file’ at
../app/test-crypto-perf/cperf_test_vector_parsing.c:578:11:
../app/test-crypto-perf/cperf_test_vector_parsing.c:510:3: error:
‘strncpy’ output truncated before terminating nul copying as many bytes
from a string as its length [-Werror=stringop-truncation]
   strncpy(entry, line, strlen(line));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../app/test-crypto-perf/cperf_test_vector_parsing.c:528:5: error:
‘strncat’ output truncated before terminating nul copying as many bytes
from a string as its length [-Werror=stringop-truncation]
     strncat(entry, line, strlen(line));
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Found this issue with meson build and gcc 8.1.

Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test application")

Cc: declan.doherty@intel.com
Cc: andy@warmcat.com
Cc: stable@dpdk.org

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
 app/test-crypto-perf/cperf_test_vector_parsing.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/app/test-crypto-perf/cperf_test_vector_parsing.c b/app/test-crypto-perf/cperf_test_vector_parsing.c
index 26321d004..92932a230 100644
--- a/app/test-crypto-perf/cperf_test_vector_parsing.c
+++ b/app/test-crypto-perf/cperf_test_vector_parsing.c
@@ -506,8 +506,7 @@ parse_file(struct cperf_test_vector *vector, struct cperf_options *opts)
 		if (entry == NULL)
 			return -1;
 
-		memset(entry, 0, strlen(line) + 1);
-		strncpy(entry, line, strlen(line));
+		strcpy(entry, line);
 
 		/* check if entry ends with , or = */
 		if (entry[strlen(entry) - 1] == ','
@@ -524,8 +523,8 @@ parse_file(struct cperf_test_vector *vector, struct cperf_options *opts)
 				if (entry_extended == NULL)
 					goto err;
 				entry = entry_extended;
-
-				strncat(entry, line, strlen(line));
+				/* entry has been allocated accordingly */
+				strcpy(&entry[strlen(entry)], line);
 
 				if (entry[strlen(entry) - 1] != ',')
 					break;
-- 
2.17.0

^ permalink raw reply	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2018-05-17 16:31 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-05-16  6:39 [dpdk-stable] [dpdk-dev] [PATCH 1/2] app/crypto-perf: use strcpy for allocated string Jerin Jacob
2018-05-16  6:39 ` [dpdk-stable] [dpdk-dev] [PATCH 2/2] app/crypto-perf: fix memcpy source range Jerin Jacob
2018-05-16 11:40   ` De Lara Guarch, Pablo
2018-05-16 11:59     ` Jerin Jacob
2018-05-16  9:50 ` [dpdk-stable] [dpdk-dev] [PATCH 1/2] app/crypto-perf: use strcpy for allocated string De Lara Guarch, Pablo
2018-05-16 12:28 ` [dpdk-stable] [dpdk-dev] [PATCH v2 " Jerin Jacob
2018-05-16 12:28   ` [dpdk-stable] [dpdk-dev] [PATCH v2 2/2] app/crypto-perf: fix memcpy source Jerin Jacob
2018-05-16 12:44     ` Andy Green
2018-05-16 12:50     ` De Lara Guarch, Pablo
2018-05-17 16:31     ` De Lara Guarch, Pablo
2018-05-17 16:31   ` [dpdk-stable] [dpdk-dev] [PATCH v2 1/2] app/crypto-perf: use strcpy for allocated string De Lara Guarch, Pablo

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