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Tue, 4 Apr 2023 19:28:50 GMT (envelope-from git) Date: Tue, 4 Apr 2023 19:28:50 GMT Message-Id: <202304041928.334JSoOX093128@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Eric van Gyzen Subject: git: ecaeac805b04 - main - mlxfw: fix potential NULL pointer dereference List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: vangyzen X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: ecaeac805b044f715c98960a8fbf19fe2b76ae6b Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by vangyzen: URL: https://cgit.FreeBSD.org/src/commit/?id=ecaeac805b044f715c98960a8fbf19fe2b76ae6b commit ecaeac805b044f715c98960a8fbf19fe2b76ae6b Author: Eric van Gyzen AuthorDate: 2023-03-30 23:27:06 +0000 Commit: Eric van Gyzen CommitDate: 2023-04-04 20:27:46 +0000 mlxfw: fix potential NULL pointer dereference Reported by: Coverity (an internal run at Dell) Reviewed by: kib MFC after: 1 week Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D39348 --- sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.c b/sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.c index 1b6080930724..78ddf10f359d 100644 --- a/sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.c +++ b/sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.c @@ -60,6 +60,8 @@ mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file, if (tlv->type == MLXFW_MFA2_TLV_MULTI_PART) { multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, tlv); + if (!multi) + return NULL; tlv_len = NLA_ALIGN(tlv_len + be16_to_cpu(multi->total_len)); }