[dpdk-dev] [PATCH] examples/performance-thread: fix out-of-bounds read

[Slawomir Mrozowicz]

Overrunning array schedcore of 128 8-byte elements at element index 128
using index lcoreid.
Fixed by correct check index lcoreid condition.

Coverity issue: 143461
Fixes: 116819b9ed0d ("examples/performance-thread: add lthread subsystem")
Cc: ian.betts at intel.com
Cc: stable at dpdk.org

Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz at intel.com>
---
 examples/performance-thread/common/lthread_sched.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/examples/performance-thread/common/lthread_sched.c b/examples/performance-thread/common/lthread_sched.c
index 98291478e..138a87d32 100644
--- a/examples/performance-thread/common/lthread_sched.c
+++ b/examples/performance-thread/common/lthread_sched.c
@@ -578,10 +578,9 @@ int lthread_set_affinity(unsigned lcoreid)
 	struct lthread *lt = THIS_LTHREAD;
 	struct lthread_sched *dest_sched;
 
-	if (unlikely(lcoreid > LTHREAD_MAX_LCORES))
+	if (unlikely(lcoreid >= LTHREAD_MAX_LCORES))
 		return POSIX_ERRNO(EINVAL);
 
-
 	DIAG_EVENT(lt, LT_DIAG_LTHREAD_AFFINITY, lcoreid, 0);
 
 	dest_sched = schedcore[lcoreid];
-- 
2.11.0