On Sun, Feb 18, 2024 at 09:38:12AM -0800, Kees Cook wrote:
> Introduce --kallsyms argument for scanning binary files for known symbol
> addresses. This would have found the exposure in /sys/kernel/notes:
> 
> $ scripts/leaking_addresses.pl --kallsyms=<(sudo cat /proc/kallsyms)
> /sys/kernel/notes: hypercall_page @ 156
> /sys/kernel/notes: xen_hypercall_set_trap_table @ 156
> /sys/kernel/notes: startup_xen @ 132
> 
> Signed-off-by: Kees Cook <[email protected]>
> ---
> Cc: "Tobin C. Harding" <[email protected]>
> Cc: Tycho Andersen <[email protected]>
> Cc: Greg KH <[email protected]>
> Cc: Guixiong Wei <[email protected]>
> Cc: [email protected]
> ---
>  scripts/leaking_addresses.pl | 53 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 53 insertions(+)

Nice!

Acked-by: Greg Kroah-Hartman <[email protected]>

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