From: Namjae Jeon <namjae.jeon@samsung.com>
Date: Mon, 10 May 2021 00:08:19 +0000 (+0900)
Subject: cifsd: fix invalid memory access in smb2_write()
X-Git-Tag: v5.15-rc1~183^2~23
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bcd62a368314deeea8bd0823399b649a236b7d5b;p=thirdparty%2Fkernel%2Flinux.git

cifsd: fix invalid memory access in smb2_write()

Add missing fp initialzation to prevent invalid memory access in
smb2_write().

Reported-by: Coverity Scan <scan-admin@coverity.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/cifsd/smb2pdu.c b/fs/cifsd/smb2pdu.c
index d07d7c45f8991..18de8a7632098 100644
--- a/fs/cifsd/smb2pdu.c
+++ b/fs/cifsd/smb2pdu.c
@@ -6078,7 +6078,7 @@ int smb2_write(struct ksmbd_work *work)
 {
 	struct smb2_write_req *req;
 	struct smb2_write_rsp *rsp, *rsp_org;
-	struct ksmbd_file *fp;
+	struct ksmbd_file *fp = NULL;
 	loff_t offset;
 	size_t length;
 	ssize_t nbytes;