git.itanic.dy.fi Git - linux-stable/commit

author	Max Filippov <jcmvbkbc@gmail.com>
	Tue, 2 May 2023 10:20:47 +0000 (03:20 -0700)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Tue, 30 May 2023 13:03:18 +0000 (14:03 +0100)
commit	522bbbfcb612b11f1c3ec4205c6300d16f878f81
tree	753dfa30fd1f04f7f7e51800cb9227b63dd2221c	tree \| snapshot
parent	08456605089120cc828a8f3d8a46e215844f7af7	commit \| diff

xtensa: fix signal delivery to FDPIC process

commit 9c2cc74fb31ec76b8b118c97041a6a154a3ff219 upstream.

Fetch function descriptor pointed to by the signal handler pointer from
userspace on signal delivery and function pointer pointed to by the
sa_restorer on return from the signal handler.

Cc: stable@vger.kernel.org
Fixes: e3ddb8bbe0f8 ("xtensa: add FDPIC and static PIE support for noMMU")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>