[dpdk-stable] [PATCH] app/testpmd: fix unintentional integer overflow
Tiwei Bie
tiwei.bie at intel.com
Wed Apr 24 04:29:31 CEST 2019
Fix the potential overflow in expression 1 << begin by using 1ULL.
Coverity issue: 279437, 279445
Fixes: c73a9071877a ("app/testpmd: add commands to test new offload API")
Cc: stable at dpdk.org
Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
---
app/test-pmd/cmdline.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 5a10c5f38..03926f913 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -17739,7 +17739,7 @@ print_rx_offloads(uint64_t offloads)
begin = __builtin_ctzll(offloads);
end = sizeof(offloads) * CHAR_BIT - __builtin_clzll(offloads);
- single_offload = 1 << begin;
+ single_offload = 1ULL << begin;
for (bit = begin; bit < end; bit++) {
if (offloads & single_offload)
printf(" %s",
@@ -18133,7 +18133,7 @@ print_tx_offloads(uint64_t offloads)
begin = __builtin_ctzll(offloads);
end = sizeof(offloads) * CHAR_BIT - __builtin_clzll(offloads);
- single_offload = 1 << begin;
+ single_offload = 1ULL << begin;
for (bit = begin; bit < end; bit++) {
if (offloads & single_offload)
printf(" %s",
--
2.17.1
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