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Fix an UAF UB (#1607)

This commit is contained in:
LoveSy 2022-02-02 17:06:03 +08:00 committed by GitHub
parent 3c03d4d160
commit ad2ff45789
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
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5
core/src/main/cpp/main/src/elf_util.cpp
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@ -248,9 +248,8 @@ bool ElfImg::findModuleBase() {
} }
} }
} }
if (buff) free(buff);
if (!found) { if (!found) {
if (buff) free(buff);
LOGE("failed to read load address for %s", elf.data()); LOGE("failed to read load address for %s", elf.data());
fclose(maps); fclose(maps);
return false; return false;
@ -260,6 +259,8 @@ bool ElfImg::findModuleBase() {
LOGE("failed to read load address for %s", elf.data()); LOGE("failed to read load address for %s", elf.data());
} }
if (buff) free(buff);
fclose(maps); fclose(maps);
LOGD("get module base %s: %lx", elf.data(), load_addr); LOGD("get module base %s: %lx", elf.data(), load_addr);