[PATCH] smb: client: mask server-provided mode to 07777 in modefromsid
Bjoern Doebel <[email protected]>
| Newsgroups | org.kernel.vger.linux-cifs,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
From: Norbert Manthey <[email protected]> When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path. Fixes: e2f8fbfb8d09c ("cifs: get mode bits from special sid on stat") Signed-off-by: Norbert Manthey <[email protected]> Assisted-by: Kiro:claude-opus-4.6 Cc: [email protected] --- fs/smb/client/cifsacl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/smb/client/cifsacl.c b/fs/smb/client/cifsacl.c index 6d572dd995d79..a0a68404fbff7 100644 --- a/fs/smb/client/cifsacl.c +++ b/fs/smb/client/cifsacl.c @@ -962,7 +962,7 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl, */ fattr->cf_mode &= ~07777; fattr->cf_mode |= - le32_to_cpu(ppace[i]->sid.sub_auth[2]); + le32_to_cpu(ppace[i]->sid.sub_auth[2]) & 07777; break; } else { if (compare_sids(&(ppace[i]->sid), pownersid) == 0) { -- 2.50.1