On Sa, 2014-05-31 at 00:26 +0200, Jakub Wilk wrote: > * Manuel Schölling <manuel.schoelling@xxxxxx>, 2014-05-30, 15:27: > >Add a scrollback buffers for each VGA console. The benefit is that the > >scrollback history is not flushed when switching between consoles but > >is persistent. > > Some people rely on this scrollback flushing as a security feature. Is > there even another way to clear the scrollback, than to switch to > another vt and then back again? Thanks for raising this security issue! Maybe we should add something like VT_FLUSH_SCROLLBACK to vt_ioctl()? [1] I'm open for better ways to flush the scrollback history. [1] http://lxr.free-electrons.com/source/drivers/tty/vt/vt_ioctl.c#L334 > Debian ships this: > http://manpages.debian.org/cgi-bin/man.cgi?query=clear_console > https://sources.debian.net/src/bash/4.2%2Bdfsg-0.1/debian/clear_console.c > -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
