Fix null pointer dereference in zfs_freebsd_setacl().
authormm <mm@FreeBSD.org>
Thu, 2 Mar 2017 23:23:28 +0000 (23:23 +0000)
committermm <mm@FreeBSD.org>
Thu, 2 Mar 2017 23:23:28 +0000 (23:23 +0000)
commit4e7dd147205abccc1830a386ed8ad58e7e492bdd
tree11c25e36f21c5587145e710b70ea1baf93e8bcbe
parente42e0ff9b171c9af84969b028a305807706cb576
Fix null pointer dereference in zfs_freebsd_setacl().

Prevents unprivileged users from panicking the kernel by calling
__acl_delete_*() on files or directories inside a ZFS mount.

MFC after: 3 days
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c