drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
add null-check on function pointer before dereference on ops->cursor Reported-by:<syzbot+b67aaae8d3a927f68d20@syzkaller.appspotmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Du Cheng <ducheng2@gmail.com> Link: https://lore.kernel.org/r/20210312081421.452405-1-ducheng2@gmail.com Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
ce068bc7