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Code Issues Releases Wiki Activity

NFSD: change LISTXATTRS cookie encoding to big-endian

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Function nfsd4_listxattr_validate_cookie() expects the cookie
as an offset to the list thus it needs to be encoded in big-endian.

Fixes: 23e50fe3a5 ("nfsd: implement the xattr functions and en/decode logic")
Signed-off-by: Jorge Mora <mora@netapp.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Jorge Mora 2024-01-25 07:46:12 -07:00 committed by Chuck Lever
parent 52a357db80
commit 61ab5e0758
1 changed files with 3 additions and 1 deletions
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4
fs/nfsd/nfs4xdr.c
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@ -5407,6 +5407,7 @@ nfsd4_encode_listxattrs(struct nfsd4_compoundres *resp, __be32 nfserr,
u64 cookie;
char *sp;
__be32 status, tmp;
__be64 wire_cookie;
__be32 *p;
u32 nuser;
@ -5498,7 +5499,8 @@ nfsd4_encode_listxattrs(struct nfsd4_compoundres *resp, __be32 nfserr,
cookie = offset + count;
write_bytes_to_xdr_buf(xdr->buf, cookie_offset, &cookie, 8);
wire_cookie = cpu_to_be64(cookie);
write_bytes_to_xdr_buf(xdr->buf, cookie_offset, &wire_cookie, 8);
tmp = cpu_to_be32(count);
write_bytes_to_xdr_buf(xdr->buf, count_offset, &tmp, 4);
out: