From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Michael Guralnik <michaelgur@mellanox.com>,
Yishai Hadas <yishaih@mellanox.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Sasha Levin <sashal@kernel.org>,
linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 5.5 391/542] RDMA/uverbs: Verify MR access flags
Date: Fri, 14 Feb 2020 10:46:23 -0500 [thread overview]
Message-ID: <20200214154854.6746-391-sashal@kernel.org> (raw)
In-Reply-To: <20200214154854.6746-1-sashal@kernel.org>
From: Michael Guralnik <michaelgur@mellanox.com>
[ Upstream commit ca95c1411198c2d87217c19d44571052cdc94725 ]
Verify that MR access flags that are passed from user are all supported
ones, otherwise an error is returned.
Fixes: 4fca03778351 ("IB/uverbs: Move ib_access_flags and ib_read_counters_flags to uapi")
Link: https://lore.kernel.org/r/1578506740-22188-6-git-send-email-yishaih@mellanox.com
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/rdma/ib_verbs.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index cb02d36d41d22..a14f837fb1c84 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4303,6 +4303,9 @@ static inline int ib_check_mr_access(int flags)
!(flags & IB_ACCESS_LOCAL_WRITE))
return -EINVAL;
+ if (flags & ~IB_ACCESS_SUPPORTED)
+ return -EINVAL;
+
return 0;
}
--
2.20.1
next prev parent reply other threads:[~2020-02-14 17:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200214154854.6746-1-sashal@kernel.org>
2020-02-14 15:40 ` [PATCH AUTOSEL 5.5 040/542] RDMA/i40iw: fix a potential NULL pointer dereference Sasha Levin
2020-02-14 15:40 ` [PATCH AUTOSEL 5.5 045/542] RDMA/netlink: Do not always generate an ACK for some netlink operations Sasha Levin
2020-02-14 15:40 ` [PATCH AUTOSEL 5.5 059/542] IB/core: Let IB core distribute cache update events Sasha Levin
2020-02-14 15:41 ` [PATCH AUTOSEL 5.5 079/542] RDMA/mlx5: Fix handling of IOVA != user_va in ODP paths Sasha Levin
2020-02-14 15:41 ` [PATCH AUTOSEL 5.5 108/542] IB/mlx5: Return the administrative GUID if exists Sasha Levin
2020-02-14 15:41 ` [PATCH AUTOSEL 5.5 118/542] RDMA/umem: Fix ib_umem_find_best_pgsz() Sasha Levin
2020-02-14 15:41 ` [PATCH AUTOSEL 5.5 119/542] RDMA/cma: Fix unbalanced cm_id reference count during address resolve Sasha Levin
2020-02-14 15:44 ` [PATCH AUTOSEL 5.5 277/542] RDMA/rxe: Fix error type of mmap_offset Sasha Levin
2020-02-14 15:44 ` [PATCH AUTOSEL 5.5 294/542] mlx5: work around high stack usage with gcc Sasha Levin
2020-02-14 15:44 ` [PATCH AUTOSEL 5.5 295/542] RDMA/hns: Avoid printing address of mtt page Sasha Levin
2020-02-14 15:45 ` [PATCH AUTOSEL 5.5 314/542] RDMA/core: Fix locking in ib_uverbs_event_read Sasha Levin
2020-02-14 15:45 ` [PATCH AUTOSEL 5.5 315/542] IB/hfi1: Add software counter for ctxt0 seq drop Sasha Levin
2020-02-14 15:45 ` [PATCH AUTOSEL 5.5 316/542] IB/hfi1: Add RcvShortLengthErrCnt to hfi1stats Sasha Levin
2020-02-14 15:45 ` [PATCH AUTOSEL 5.5 339/542] RDMA/uverbs: Remove needs_kfree_rcu from uverbs_obj_type_class Sasha Levin
2020-02-14 15:46 ` [PATCH AUTOSEL 5.5 372/542] IB/srp: Never use immediate data if it is disabled by a user Sasha Levin
2020-02-14 15:46 ` [PATCH AUTOSEL 5.5 385/542] RDMA/mlx5: Don't fake udata for kernel path Sasha Levin
2020-02-14 15:46 ` Sasha Levin [this message]
2020-02-14 15:46 ` [PATCH AUTOSEL 5.5 393/542] IB/mlx4: Fix memory leak in add_gid error flow Sasha Levin
2020-02-14 15:47 ` [PATCH AUTOSEL 5.5 443/542] net/mlx5e: Fix printk format warning Sasha Levin
2020-02-14 15:47 ` [PATCH AUTOSEL 5.5 469/542] RDMA/core: Ensure that rdma_user_mmap_entry_remove() is a fence Sasha Levin
2020-02-14 15:48 ` [PATCH AUTOSEL 5.5 490/542] IB/mlx4: Fix leak in id_map_find_del Sasha Levin
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