* [PATCH AUTOSEL 5.14 35/40] smb3: correct smb3 ACL security descriptor
[not found] <20210928055524.172051-1-sashal@kernel.org>
@ 2021-09-28 5:55 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2021-09-28 5:55 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Steve French, Dan Carpenter, Ronnie Sahlberg, Sasha Levin,
sfrench, linux-cifs, samba-technical
From: Steve French <stfrench@microsoft.com>
[ Upstream commit b06d893ef2492245d0319b4136edb4c346b687a3 ]
Address warning:
fs/smbfs_client/smb2pdu.c:2425 create_sd_buf()
warn: struct type mismatch 'smb3_acl vs cifs_acl'
Pointed out by Dan Carpenter via smatch code analysis tool
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/cifs/smb2pdu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index b6d2e3591927..e1739d0135b4 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2398,7 +2398,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len)
buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd);
/* Ship the ACL for now. we will copy it into buf later. */
aclptr = ptr;
- ptr += sizeof(struct cifs_acl);
+ ptr += sizeof(struct smb3_acl);
/* create one ACE to hold the mode embedded in reserved special SID */
acelen = setup_special_mode_ACE((struct cifs_ace *)ptr, (__u64)mode);
@@ -2423,7 +2423,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len)
acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */
acl.AclSize = cpu_to_le16(acl_size);
acl.AceCount = cpu_to_le16(ace_count);
- memcpy(aclptr, &acl, sizeof(struct cifs_acl));
+ memcpy(aclptr, &acl, sizeof(struct smb3_acl));
buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd);
*len = roundup(ptr - (__u8 *)buf, 8);
--
2.33.0
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