tree 5cd7c7bfc7210a64b44a50c9ec543db2550bf552
parent a07e28194a05800215efe192d2ff840f339924f0
author Keith Randall <khr@golang.org> 1592509895 -0700
committer Keith Randall <khr@golang.org> 1592532695 +0000

reflect: zero stack slots before writing to them with write barriers

reflect.assignTo writes to the target using write barriers. Make sure
that the memory it is writing to is zeroed, so the write barrier does
not read pointers from uninitialized memory.

Fixes #39541

Change-Id: Ia64b2cacc193bffd0c1396bbce1dfb8182d4905b
Reviewed-on: https://go-review.googlesource.com/c/go/+/238760
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>