The "uresp.reserved" field isn't initialized on this path so it could
leak uninitialized stack information to the user.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: different approach to fixing the problem
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index e87f220..d228383 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -226,6 +226,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
mm->len = PAGE_ALIGN(((1UL << uresp.size_log2) + 1) *
sizeof(struct t3_cqe));
uresp.memsize = mm->len;
+ uresp.reserved = 0;
resplen = sizeof uresp;
}
if (ib_copy_to_udata(udata, &uresp, resplen)) {
--
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