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authorBoris Pismenny <borisp@mellanox.com>2018-03-08 16:51:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-24 13:01:28 +0300
commitcf1eb16eef13f4693d6b6bf0fbb7d32a58dc5ca5 (patch)
tree46601a5ab8f67dfdbaa050af9303b9b3db35bc72 /include
parent3748694f1b91b17f6e311fb10f1168f2ae8e4eca (diff)
downloadlinux-cf1eb16eef13f4693d6b6bf0fbb7d32a58dc5ca5.tar.xz
IB/mlx5: Fix integer overflows in mlx5_ib_create_srq
commit c2b37f76485f073f020e60b5954b6dc4e55f693c upstream. This patch validates user provided input to prevent integer overflow due to integer manipulation in the mlx5_ib_create_srq function. Cc: syzkaller <syzkaller@googlegroups.com> Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mlx5/driver.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 8f9fc6e5539a..bfb4a9d962a5 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -432,8 +432,8 @@ struct mlx5_core_srq {
struct mlx5_core_rsc_common common; /* must be first */
u32 srqn;
int max;
- int max_gs;
- int max_avail_gather;
+ size_t max_gs;
+ size_t max_avail_gather;
int wqe_shift;
void (*event) (struct mlx5_core_srq *, enum mlx5_event);