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In case mprotect fails

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LoveSy 2022-11-27 01:06:31 +08:00
parent 229adbe159
commit c9e91f007e
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1 changed files with 5 additions and 4 deletions
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3
lsplt/src/main/jni/lsplt.cc
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@ -164,11 +164,12 @@ public:
info.hooks.clear(); info.hooks.clear();
continue; continue;
} }
mprotect(reinterpret_cast<void *>(info.start), len, PROT_WRITE); if (!mprotect(reinterpret_cast<void *>(info.start), len, PROT_WRITE)) {
for (auto &[addr, backup] : info.hooks) { for (auto &[addr, backup] : info.hooks) {
*reinterpret_cast<uintptr_t *>(addr) = backup; *reinterpret_cast<uintptr_t *>(addr) = backup;
} }
mprotect(reinterpret_cast<void *>(info.start), len, info.perm); mprotect(reinterpret_cast<void *>(info.start), len, info.perm);
}
info.hooks.clear(); info.hooks.clear();
info.backup = 0; info.backup = 0;
} }