X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fzpl_inode.c;h=8c8ec24147816d7fb72d4188096932a1668641a9;hb=389cf730cedd42dd1ef653e9358635c114e458d5;hp=e4062887878244b87fbeb41706b8ae8530dc55a7;hpb=09a661e960df49f1256ba4c5ae15f6956d27df84;p=zfs.git

diff --git a/module/zfs/zpl_inode.c b/module/zfs/zpl_inode.c
index e406288..8c8ec24 100644
--- a/module/zfs/zpl_inode.c
+++ b/module/zfs/zpl_inode.c
@@ -41,6 +41,9 @@ zpl_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 	struct inode *ip;
 	int error;
 
+	if (dlen(dentry) > ZFS_MAXNAMELEN)
+		return ERR_PTR(-ENAMETOOLONG);
+
 	crhold(cr);
 	error = -zfs_lookup(dir, dname(dentry), &ip, 0, cr, NULL, NULL);
 	ASSERT3S(error, <=, 0);