0ea4b0e2cc
commit f35c1e0671728d1c9abc405d05ef548b5fcb2fc4 upstream. It's -EFAULT, not -1 (and contrary to the comment in there, __strnlen_user() can return 0 - on faults). Acked-by: Richard Kuo <rkuo@codeaurora.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Willy Tarreau <w@1wt.eu>