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smb3: fix oops in calculating shash_setkey

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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>
This commit is contained in:
Steve French
2022-10-02 22:09:45 -05:00
parent 1f3d5477b9
commit 958553d134
1 changed files with 2 additions and 2 deletions
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4
fs/cifs/smb2transport.c
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@@ -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];