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author | Imre Kis <imre.kis@arm.com> | 2021-01-12 22:27:20 +0100 |
---|---|---|
committer | György Szing <gyorgy.szing@arm.com> | 2021-02-02 10:00:13 +0000 |
commit | 78f102cc57c9692edf322e540ce4f53f7c147592 (patch) | |
tree | 481a93db30ce564ab9dd56fe876b40f80b1d8264 | |
parent | 21e0665c8f3071c93159f15666203fdd3f6eb803 (diff) | |
download | trusted-services-78f102cc57c9692edf322e540ce4f53f7c147592.tar.gz |
libsp: Fix buffer boundary check in sp_discovery
Fix verification if RX buffer can hold returned partition descriptors.
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I062f08816e4de6dc37f4bcd69c114e0cf6ce698e
-rw-r--r-- | components/messaging/ffa/libsp/sp_discovery.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/components/messaging/ffa/libsp/sp_discovery.c b/components/messaging/ffa/libsp/sp_discovery.c index a80116779..1f512a7b9 100644 --- a/components/messaging/ffa/libsp/sp_discovery.c +++ b/components/messaging/ffa/libsp/sp_discovery.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: BSD-3-Clause /* - * Copyright (c) 2020, Arm Limited and Contributors. All rights reserved. + * Copyright (c) 2020-2021, Arm Limited and Contributors. All rights reserved. */ #include "sp_discovery.h" @@ -64,7 +64,7 @@ partition_info_get(const struct sp_uuid *uuid, return SP_RESULT_FFA(ffa_res); } - if (*count * sizeof(struct ffa_partition_information) < buffer_size) { + if ((*count * sizeof(struct ffa_partition_information)) > buffer_size) { /* * The indicated amount of info structures doesn't fit into the * RX buffer. |