From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- fs/jffs2/ioctl.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 fs/jffs2/ioctl.c (limited to 'fs/jffs2/ioctl.c') diff --git a/fs/jffs2/ioctl.c b/fs/jffs2/ioctl.c new file mode 100644 index 000000000..859a598af --- /dev/null +++ b/fs/jffs2/ioctl.c @@ -0,0 +1,22 @@ +/* + * JFFS2 -- Journalling Flash File System, Version 2. + * + * Copyright © 2001-2007 Red Hat, Inc. + * Copyright © 2004-2010 David Woodhouse + * + * Created by David Woodhouse + * + * For licensing information, see the file 'LICENCE' in this directory. + * + */ + +#include +#include "nodelist.h" + +long jffs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + /* Later, this will provide for lsattr.jffs2 and chattr.jffs2, which + will include compression support etc. */ + return -ENOTTY; +} + -- cgit v1.3.1