afaea1bf9a
It is necessary to bundle a wrapper script to execute Chrome with HWASan on non-hwasan devices with Android 14+: https://developer.android.com/ndk/guides/hwasan#wrapsh Bug: 372157557 Change-Id: I6bb409f1394912f8d772e8a41e2c77f5513977fa Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6299174 Commit-Queue: Pâris Meuleman <pmeuleman@chromium.org> Reviewed-by: Andrew Grieve <agrieve@chromium.org> Reviewed-by: Benjamin Joyce (Ben) <bjoyce@chromium.org> Cr-Commit-Position: refs/heads/main@{#1430174}
62 lines
1.9 KiB
Python
Executable File
62 lines
1.9 KiB
Python
Executable File
#! /usr/bin/env python3
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# Copyright 2024 The Chromium Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import argparse
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import pathlib
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def _generate(arch, is_hwasan):
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if is_hwasan:
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return """\
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#!/system/bin/sh
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# https://developer.android.com/ndk/guides/hwasan#wrapsh
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# import options file
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_HWASAN_OPTIONS=$(cat /data/local/tmp/hwasan.options 2> /dev/null || true)
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log -t cr_wrap.sh -- "Launching with HWASAN enabled."
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log -t cr_wrap.sh -- "HWASAN_OPTIONS=$_HWASAN_OPTIONS"
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log -t cr_wrap.sh -- "LD_HWASAN=1"
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log -t cr_wrap.sh -- "Command: $0 $@"
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export HWASAN_OPTIONS=$_HWASAN_OPTIONS
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export LD_HWASAN=1
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exec "$@"
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"""
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return f"""\
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#!/system/bin/sh
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# See: https://github.com/google/sanitizers/wiki/AddressSanitizerOnAndroid/\
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01f8df1ac1a447a8475cdfcb03e8b13140042dbd#running-with-wrapsh-recommended
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HERE="$(cd "$(dirname "$0")" && pwd)"
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# Options suggested by wiki docs:
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_ASAN_OPTIONS="log_to_syslog=false,allow_user_segv_handler=1"
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# Chromium-specific option (supposedly for graphics drivers):
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_ASAN_OPTIONS="$_ASAN_OPTIONS,strict_memcmp=0,use_sigaltstack=1"
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_LD_PRELOAD="$HERE/libclang_rt.asan-{arch}-android.so"
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log -t cr_wrap.sh -- "Launching with ASAN enabled."
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log -t cr_wrap.sh -- "LD_PRELOAD=$_LD_PRELOAD"
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log -t cr_wrap.sh -- "ASAN_OPTIONS=$_ASAN_OPTIONS"
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log -t cr_wrap.sh -- "Command: $0 $@"
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# Export LD_PRELOAD after running "log" commands to not risk it affecting
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# them.
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export LD_PRELOAD=$_LD_PRELOAD
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export ASAN_OPTIONS=$_ASAN_OPTIONS
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exec "$@"
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"""
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--arch', required=True)
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parser.add_argument('--output', required=True)
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parser.add_argument('--is_hwasan', action='store_true', default=False)
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args = parser.parse_args()
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pathlib.Path(args.output).write_text(_generate(args.arch, args.is_hwasan))
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if __name__ == '__main__':
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main()
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