[lkml]   [2022]   [Dec]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH qemu] x86: don't let decompressed kernel image clobber setup_data
On Sat, Dec 31, 2022 at 02:51:28PM +0100, Jason A. Donenfeld wrote:
> That failure is unrelated to the ident mapping issue Peter and
> I discussed. The original failure is described in the commit message:
> decompression clobbers the data, so sd->next points to garbage.

Right, and the fact that the kernel overwrites it still feels kinda wrong: the
kernel knows where setup_data is - the address is in the setup header so
*actually*, it should take care of not to clobber it.

But hpa would correct me if I'm missing an aspect about whose responsibility it
is to do what here...



 \ /
  Last update: 2023-03-26 23:24    [W:0.110 / U:2.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site