5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Chuck Lever <chuck.lever@xxxxxxxxxx>
[ Upstream commit 1c8f0ad7dd35fd12307904036c7c839f77b6e3f9 ]
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/nfsd/nfs4xdr.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 0fe57ca0f31ac..9dc73ab95eac9 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -351,8 +351,11 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
} else
*acl = NULL;
if (bmval[1] & FATTR4_WORD1_MODE) {
- READ_BUF(4);
- iattr->ia_mode = be32_to_cpup(p++);
+ u32 mode;
+
+ if (xdr_stream_decode_u32(argp->xdr, &mode) < 0)
+ return nfserr_bad_xdr;
+ iattr->ia_mode = mode;
iattr->ia_mode &= (S_IFMT | S_IALLUGO);
iattr->ia_valid |= ATTR_MODE;
}
--
2.43.0
