Re: [PATCH 0/2] Adjust brk randomness

2024-02-17 Thread H. Peter Anvin
On February 16, 2024 10:25:42 PM PST, Kees Cook wrote: >Hi, > >It was recently pointed out[1] that x86_64 brk entropy was not great, >and that on all architectures the brk can (when the random offset is 0) >be immediately adjacent to .bss, leaving no gap that could stop linear >overflows from the

Re: [PATCH] x86, relocs: Ignore relocations in .notes section

2024-02-27 Thread H. Peter Anvin
://lore.kernel.org/all/20240218073501.54555-1-guixiong...@gmail.com/ >> Fixes: 5ead97c84fa7 ("xen: Core Xen implementation") >> Fixes: da1a679cde9b ("Add /sys/kernel/notes") >> Signed-off-by: Kees Cook >> --- >> Cc: Borislav Petkov >> Cc: Thomas