debug/pe, internal/saferio: use saferio to read PE section data
For #47653
Fixes #53189
Change-Id: If35b968fc53e4c96b18964cfb020cdc003b881bf
Reviewed-on: https://go-review.googlesource.com/c/go/+/412014 Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>