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Prevent undefined behavior in magiskboot

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topjohnwu
2021-05-10 18:38:30 -07:00
parent 6099f3b015
commit 7df23ceb74
7 changed files with 31 additions and 45 deletions
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2
native/jni/magiskboot/hexpatch.cpp
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@@ -34,7 +34,7 @@ int hexpatch(const char *image, const char *from, const char *to) {
curr = static_cast<uint8_t*>(memmem(curr, end - curr, pattern.data(), pattern.size()));
if (curr == nullptr)
return patched;
fprintf(stderr, "Patch @ %08X [%s] -> [%s]\n", curr - buf, from, to);
fprintf(stderr, "Patch @ %08X [%s] -> [%s]\n", (unsigned)(curr - buf), from, to);
memset(curr, 0, pattern.size());
memcpy(curr, patch.data(), patch.size());
patched = 0;