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Invalidate Samsung's persist.sys.zygote.early

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Samsung FDE devices with the "persist.sys.zygote.early=true" property will cause Zygote to start before post-fs-data. According to Magisk's document, the post-fs-data phase should always happen before Zygote is started. Features assuming this behavior (like Zygisk and modules that need to control zygote) will not work. To avoid breaking existing modules, we simply invalidate this property to prevent this non-standard behavior from happening

Fix #5299, fix #5328, fix #5308

Co-authored-by: LoveSy <shana@zju.edu.cn>
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残页 2022-02-03 16:46:52 +08:00 committed by GitHub
parent ffec9a4ddd
commit 79620c97d1
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6
native/jni/init/rootdir.cpp
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@ -31,6 +31,12 @@ static void patch_init_rc(const char *src, const char *dest, const char *tmp_dir
fprintf(rc, "service flash_recovery /system/bin/xxxxx\n");
return true;
}
// Samsung's persist.sys.zygote.early will start zygotes before actual post-fs-data phase
if (str_starts(line, "on property:persist.sys.zygote.early=")) {
LOGD("Invalidate persist.sys.zygote.early\n");
fprintf(rc, "on property:persist.sys.zygote.early.xxxxx=true\n");
return true;
}
// Else just write the line
fprintf(rc, "%s", line.data());
return true;