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-rw-r--r--fs/nfsd/nfs4xdr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index cfe535c286c3..59d471025949 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1585,6 +1585,8 @@ nfsd4_decode_getdeviceinfo(struct nfsd4_compoundargs *argp,
gdev->gd_maxcount = be32_to_cpup(p++);
num = be32_to_cpup(p++);
if (num) {
+ if (num > 1000)
+ goto xdr_error;
READ_BUF(4 * num);
gdev->gd_notify_types = be32_to_cpup(p++);
for (i = 1; i < num; i++) {