On Thu, Jul 30, 2020 at 1:27 PM Tetsuo Handa
wrote:
>
> On 2020/07/30 20:16, Daniel Vetter wrote:
> > Patch looks good, except ... does this compile? fbcon_update_vcs is
> > defined in fbcon.h, and that doesn't seem to be included here ...
> > Maybe what we want is an fb_set_var_ioctl in fbmem.c
On 2020/07/30 20:16, Daniel Vetter wrote:
> Patch looks good, except ... does this compile? fbcon_update_vcs is
> defined in fbcon.h, and that doesn't seem to be included here ...
> Maybe what we want is an fb_set_var_ioctl in fbmem.c so that the fbcon
> interaction is a bit better hidden (but
On Thu, Jul 30, 2020 at 12:47 AM Tetsuo Handa
wrote:
>
> syzbot is reporting OOB read bug in vc_do_resize() [1] caused by memcpy()
> based on outdated old_{rows,row_size} values, for resize_screen() can
> recurse into vc_do_resize() which changes vc->vc_{cols,rows} that outdates
>
syzbot is reporting OOB read bug in vc_do_resize() [1] caused by memcpy()
based on outdated old_{rows,row_size} values, for resize_screen() can
recurse into vc_do_resize() which changes vc->vc_{cols,rows} that outdates
old_{rows,row_size} values which were saved before calling resize_screen().
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