From: Ajaykumar Hotchandani <ajaykumar.hotchandani@xxxxxxxxxx>
Fixes: 6a21dfc0d0db ("RDMA/ucma: Limit possible option size")
Signed-off-by: Ajaykumar Hotchandani <ajaykumar.hotchandani@xxxxxxxxxx>
---
drivers/infiniband/core/ucma.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 3a9d0f5..63b5be9 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1297,7 +1297,7 @@ static ssize_t ucma_set_option(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
- if (unlikely(cmd.optval > KMALLOC_MAX_SIZE))
+ if (unlikely(cmd.optlen > KMALLOC_MAX_SIZE))
return -EINVAL;
optval = memdup_user((void __user *) (unsigned long) cmd.optval,
--
1.7.1
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