From: "J. Bruce Fields" <bfields@xxxxxxxxxx> This was an omission from 8c18f2052e756e7d5dea712fc6e7ed70c00e8a39 "nfsd41: SUPPATTR_EXCLCREAT attribute". Cc: stable@xxxxxxxxxxxxxxx Cc: Benny Halevy <bhalevy@xxxxxxxxxxxxxxx> Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx> --- fs/nfsd/nfs4xdr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 63f2395..668bfe1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2483,6 +2483,8 @@ out_acl: goto out; } if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) { + if ((buflen -= 16) < 0) + goto out_resource; WRITE32(3); WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD0); WRITE32(NFSD_SUPPATTR_EXCLCREAT_WORD1); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html