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IB/mlx5: Fix integer overflows in mlx5_ib_create_srq

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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: e126ba97db ("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>
This commit is contained in:
Boris Pismenny
2018-03-08 15:51:41 +02:00
committed by Doug Ledford
parent 2c292dbb39
commit c2b37f7648
2 changed files with 11 additions and 8 deletions
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4
include/linux/mlx5/driver.h
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@@ -453,8 +453,8 @@ 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);