runtime: memory corruption on `android-arm-corellium`

[bcmills]

#!watchflakes
default <- builder == "android-arm-corellium"

Go version

b25f555

What operating system and processor architecture are you using (go env)?

:: Running /data/data/com.termux/files/usr/bin/bash with args ["bash" "/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/go/src/make.bash" "-force"] and env ["SHELL=/data/data/com.termux/files/usr/bin/bash" "COLORTERM=truecolor" "TERM_PROGRAM_VERSION=next-3.4" "TMUX=/data/data/com.termux/files/usr/var/run/tmux-10066/default,2426,0" "PREFIX=/data/data/com.termux/files/usr" "TERMUX_IS_DEBUGGABLE_BUILD=0" "TERMUX_MAIN_PACKAGE_FORMAT=debian" "TERMUX_VERSION=0.118.0" "EXTERNAL_STORAGE=/sdcard" "HOME=/data/data/com.termux/files/home" "LANG=en_US.UTF-8" "TMUX_TMPDIR=/data/data/com.termux/files/usr/var/run" "TERMUX_APK_RELEASE=F_DROID" "GO_BUILDER_ENV=host-android-arm64-corellium-android" "ANDROID_DATA=/data" "TERM=screen-256color" "TMUX_PANE=%0" "SHLVL=0" "ANDROID_ROOT=/system" "BOOTCLASSPATH=/system/framework/core-oj.jar:/system/framework/core-libart.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/bouncycastle.jar:/system/framework/apache-xml.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/ims-common.jar:/system/framework/android.hidl.base-V1.0-java.jar:/system/framework/android.hidl.manager-V1.0-java.jar:/system/framework/framework-oahl-backward-compatibility.jar:/system/framework/android.test.base.jar" "TERMUX_APP_PID=2377" "PATH=/data/data/com.termux/files/home/go/bin:/data/data/com.termux/files/usr/bin" "CC=/data/data/com.termux/files/home/clangwrap" "TERM_PROGRAM=tmux" "_=/data/data/com.termux/files/home/go/bin/buildlet" "WORKDIR=/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android" "GO_BUILDER_NAME=android-arm-corellium" "GOROOT_BOOTSTRAP=/data/data/com.termux/files/home/go-android-arm64-bootstrap" "GOMAXPROCS=1" "CGO_ENABLED=1" "GOARCH=arm" "GO_TEST_TIMEOUT_SCALE=2" "GOBIN=" "TMPDIR=/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/tmp" "GOCACHE=/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/gocache" "GOPLSCACHE=/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/goplscache" "PWD=/data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/go/src"] in dir /data/data/com.termux/files/home/tmpdir/workdir-host-android-arm64-corellium-android/go/src

What did you do?

Check builder status on https://build.golang.org/.

What did you expect to see?

All tests consistently passing.

What did you see instead?

The android-arm-corellium builder is failing essentially every run, but not in a consistent place. The failure symptoms are consistent with memory corruption, although it's not obvious to me whether the corruption is a hardware or platform issue or a bug somewhere in the Go runtime or compiler.

(attn @golang/android)