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From: Michael Baum <michaelba@nvidia.com>
To: <dev@dpdk.org>
CC: Matan Azrad <matan@nvidia.com>, Raslan Darawsheh <rasland@nvidia.com>,
Viacheslav Ovsiienko <viacheslavo@nvidia.com>, <stable@dpdk.org>
Date: Thu, 1 Jul 2021 09:39:13 +0300
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Subject: [dpdk-stable] [PATCH v2 1/4] regex/mlx5: fix size of setup constants
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The constant representing the size of the metadata is defined as a
unsigned int variable with 32-bit.
Similarly the constant representing the maximal output is also defined
as a unsigned int variable with 32-bit.
There is potentially overflowing expression when those constants are
evaluated using 32-bit arithmetic, and then used in a context that
expects an expression of type size_t that might be 64 bit.
Change the size of the above constants to size_t.
Fixes: 30d604bb1504 ("regex/mlx5: fix type of setup constants")
Cc: stable@dpdk.org
Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
v2: use size_t and uintptr_t instead of uint64_t.
drivers/regex/mlx5/mlx5_regex_fastpath.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/regex/mlx5/mlx5_regex_fastpath.c b/drivers/regex/mlx5/mlx5_regex_fastpath.c
index b57e7d7794..910bc845f3 100644
--- a/drivers/regex/mlx5/mlx5_regex_fastpath.c
+++ b/drivers/regex/mlx5/mlx5_regex_fastpath.c
@@ -25,8 +25,8 @@
#include "mlx5_regex.h"
#define MLX5_REGEX_MAX_WQE_INDEX 0xffff
-#define MLX5_REGEX_METADATA_SIZE UINT32_C(64)
-#define MLX5_REGEX_MAX_OUTPUT RTE_BIT32(11)
+#define MLX5_REGEX_METADATA_SIZE ((size_t)64)
+#define MLX5_REGEX_MAX_OUTPUT (((size_t)1) << 11)
#define MLX5_REGEX_WQE_CTRL_OFFSET 12
#define MLX5_REGEX_WQE_METADATA_OFFSET 16
#define MLX5_REGEX_WQE_GATHER_OFFSET 32
--
2.25.1