827584e2f3
The current msanwrite() segfaults during libpreinit when built with -msan on arm64. The cause is msancall() in runtime/msan_arm64.s called by msanwrite() assumes that it is always called with a valid g, leading to a segfult. This CL adds a check for nil g in msancall(). Fixes #34338 Change-Id: If4ad7e37556cd1d99346c1a7b4852651d1e4e4aa Reviewed-on: https://go-review.googlesource.com/c/go/+/196157 Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> |
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