[dpdk-dev] [PATCH] examples/exception_path: bad shift operation in setup_port_lcore_affinities

[Daniel Mrzyglod]

CID: #30688
The operaton may have an undefined behavior or yield to an unexpected result.

In setup_port_lcore_affinities: A bit shift operation has a shift amount which
is too large or has a negative value.

Fixes: af75078fece3 ("first public release")

Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
---
 examples/exception_path/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index bec9804..c14a933 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -351,7 +351,7 @@ setup_port_lcore_affinities(void)

                        port_ids[i] = rx_port++;
                }
-               else if (output_cores_mask & (1ULL << i)) {
+               else if (output_cores_mask & (1ULL << (i & 0x3f))) {
                        /* Skip ports that are not enabled */
                        while ((ports_mask & (1 << tx_port)) == 0) {
                                tx_port++;
-- 
2.5.5