lkml.org 
[lkml]   [2022]   [Sep]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: A divide error bug in snd_pcm_write
On Mon, 26 Sep 2022 19:16:48 +0200,
butt3rflyh4ck wrote:
>
> The latest kernel upstream.
> Yes, but using mmap, you can map the runtime->status page, and then
> copy the data through memcpy to overwrite the status->state data, or
> even more, which is incredible.

Ah, then that's exactly the case my latest patch set covers.
Either the first patch or the second patch alone should work.
https://lore.kernel.org/r/20220926135558.26580-2-tiwai@suse.de
https://lore.kernel.org/r/20220926135558.26580-3-tiwai@suse.de

Could you verify either of them fixes the problem?


thanks,

Takashi

\
 
 \ /
  Last update: 2022-09-26 20:14    [W:0.074 / U:0.760 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site