On Mon, 12 Apr 2021, Daniel Vetter wrote:
> > Note that it's entirely possible that things continue to work well
> > despite this warning. It's unclear to me from your email if you
> > actually see any difference (and apparently you're not able to see it
> > right now due to not being close to
On Mon, Apr 12, 2021 at 12:15 AM Linus Torvalds
wrote:
>
> On Sun, Apr 11, 2021 at 2:43 PM Maciej W. Rozycki wrote:
> >
> > So it does trigger with vgacon and my old server, which I have started
> > experimenting with and for a start I have switched to a new kernel for an
> > unrelated purpose
On Sun, Apr 11, 2021 at 2:43 PM Maciej W. Rozycki wrote:
>
> So it does trigger with vgacon and my old server, which I have started
> experimenting with and for a start I have switched to a new kernel for an
> unrelated purpose (now that I have relieved it from all its usual tasks
> except for
On Tue, 29 Sep 2020, Greg KH wrote:
> > > > >> VT_RESIZEX was introduced in Linux 1.3.3, but it is unclear that what
> > > > >> comes to the "+ more" part, and I couldn't find a user of VT_RESIZEX.
> > > > >>
> > > > >
> > > > > It seems this is/was used by "svgatextmode" which seems to be at
>
On Tue, Sep 29, 2020 at 06:56:57PM +0200, Daniel Vetter wrote:
> On Tue, Sep 29, 2020 at 12:52:03PM +0200, Martin Hostettler wrote:
> > On Tue, Sep 29, 2020 at 10:12:46AM +0900, Tetsuo Handa wrote:
> > > On 2020/09/29 2:59, Martin Hostettler wrote:
> > > > On Sun, Sep 27, 2020 at 08:46:30PM +0900,
On Tue, Sep 29, 2020 at 12:52:03PM +0200, Martin Hostettler wrote:
> On Tue, Sep 29, 2020 at 10:12:46AM +0900, Tetsuo Handa wrote:
> > On 2020/09/29 2:59, Martin Hostettler wrote:
> > > On Sun, Sep 27, 2020 at 08:46:30PM +0900, Tetsuo Handa wrote:
> > >> VT_RESIZEX was introduced in Linux 1.3.3,
On Tue, Sep 29, 2020 at 10:12:46AM +0900, Tetsuo Handa wrote:
> On 2020/09/29 2:59, Martin Hostettler wrote:
> > On Sun, Sep 27, 2020 at 08:46:30PM +0900, Tetsuo Handa wrote:
> >> VT_RESIZEX was introduced in Linux 1.3.3, but it is unclear that what
> >> comes to the "+ more" part, and I couldn't
On 2020/09/29 2:59, Martin Hostettler wrote:
> On Sun, Sep 27, 2020 at 08:46:30PM +0900, Tetsuo Handa wrote:
>> VT_RESIZEX was introduced in Linux 1.3.3, but it is unclear that what
>> comes to the "+ more" part, and I couldn't find a user of VT_RESIZEX.
>>
>
> It seems this is/was used by
On Sun, Sep 27, 2020 at 08:46:30PM +0900, Tetsuo Handa wrote:
> VT_RESIZEX was introduced in Linux 1.3.3, but it is unclear that what
> comes to the "+ more" part, and I couldn't find a user of VT_RESIZEX.
>
It seems this is/was used by "svgatextmode" which seems to be at
On Sun, Sep 27, 2020 at 08:46:30PM +0900, Tetsuo Handa wrote:
> syzbot is reporting UAF/OOB read at bit_putcs()/soft_cursor() [1][2], for
> vt_resizex() from ioctl(VT_RESIZEX) allows setting font height larger than
> actual font height calculated by con_font_set() from ioctl(PIO_FONT).
> Since
syzbot is reporting UAF/OOB read at bit_putcs()/soft_cursor() [1][2], for
vt_resizex() from ioctl(VT_RESIZEX) allows setting font height larger than
actual font height calculated by con_font_set() from ioctl(PIO_FONT).
Since fbcon_set_font() from con_font_set() allocates minimal amount of
memory
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