From: Steve French <stfrench@microsoft.com>
Date: Sun, 2 Oct 2022 22:09:45 -0500
Subject: [PATCH] smb3: fix oops in calculating shash_setkey
Git-commit: 958553d13478ad0e35fa09fecad3ce73277ccaf5
References: bsc#1193629
Patch-mainline: v6.1-rc1
shash was not being initialized in one place in smb3_calc_signature
and smb2_calc_signature
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Paulo Alcantara <palcantara@suse.de>
---
fs/cifs/smb2transport.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index dfcbcc0b86e4..8e3f26e6f6b9 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -215,7 +215,7 @@ smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server,
struct kvec *iov = rqst->rq_iov;
struct smb2_hdr *shdr = (struct smb2_hdr *)iov[0].iov_base;
struct cifs_ses *ses;
- struct shash_desc *shash;
+ struct shash_desc *shash = NULL;
struct smb_rqst drqst;
ses = smb2_find_smb_ses(server, le64_to_cpu(shdr->SessionId));
@@ -535,7 +535,7 @@ smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server,
unsigned char *sigptr = smb3_signature;
struct kvec *iov = rqst->rq_iov;
struct smb2_hdr *shdr = (struct smb2_hdr *)iov[0].iov_base;
- struct shash_desc *shash;
+ struct shash_desc *shash = NULL;
struct smb_rqst drqst;
u8 key[SMB3_SIGN_KEY_SIZE];
--
2.38.0