Coverage Report

Created: 2023-03-26 07:01

/src/lzma-fuzz/common-alloc.h
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Source
1
/**
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 *
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 * @copyright Copyright (c) 2019 Joachim Bauch <mail@joachim-bauch.de>
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 *
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 * @license GNU GPL version 3 or any later version
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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 *
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 */
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#include <stdint.h>
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#include <stdlib.h>
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#include "7zAlloc.h"
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#include "7zTypes.h"
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#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
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// Arbitrary limit of 2 GByte for memory allocations. Used to prevent the
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// MemorySanitizer from aborting with errors like "requested allocation size
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// 0xffffffffffffffff exceeds maximum supported size of 0x200000000".
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static const size_t kMaxAllowedMemory = 2 * 1024 * 1024 * 1024L;
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425k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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425k
  if (size > kMaxAllowedMemory) {
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11
    return nullptr;
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11
  }
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40
425k
  return SzAlloc(nullptr, size);
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425k
}
lzma2enc_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
73.2k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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73.2k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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73.2k
  return SzAlloc(nullptr, size);
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73.2k
}
7z_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Count
Source
35
72.7k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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72.7k
  if (size > kMaxAllowedMemory) {
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8
    return nullptr;
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8
  }
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40
72.7k
  return SzAlloc(nullptr, size);
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72.7k
}
lzma2dec_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
10.9k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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10.9k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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10.9k
  return SzAlloc(nullptr, size);
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10.9k
}
lzmadec_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Count
Source
35
10.0k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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10.0k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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40
10.0k
  return SzAlloc(nullptr, size);
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10.0k
}
xzdec_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
72.8k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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72.8k
  if (size > kMaxAllowedMemory) {
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3
    return nullptr;
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3
  }
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72.8k
  return SzAlloc(nullptr, size);
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72.8k
}
lzmaenc_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
50.9k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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50.9k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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50.9k
  return SzAlloc(nullptr, size);
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50.9k
}
xzenc_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
131k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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131k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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40
131k
  return SzAlloc(nullptr, size);
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131k
}
ppmdenc_fuzzer.cc:LzmaAlloc(ISzAlloc const*, unsigned long)
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Source
35
3.31k
static void *LzmaAlloc(ISzAllocPtr p, size_t size) {
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3.31k
  if (size > kMaxAllowedMemory) {
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0
    return nullptr;
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0
  }
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3.31k
  return SzAlloc(nullptr, size);
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3.31k
}
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825k
static void LzmaFree(ISzAllocPtr p, void *address) {
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825k
  SzFree(nullptr, address);
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825k
}
lzma2enc_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
113k
static void LzmaFree(ISzAllocPtr p, void *address) {
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113k
  SzFree(nullptr, address);
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113k
}
7z_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
311k
static void LzmaFree(ISzAllocPtr p, void *address) {
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311k
  SzFree(nullptr, address);
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311k
}
lzma2dec_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
21.8k
static void LzmaFree(ISzAllocPtr p, void *address) {
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21.8k
  SzFree(nullptr, address);
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21.8k
}
lzmadec_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
20.1k
static void LzmaFree(ISzAllocPtr p, void *address) {
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20.1k
  SzFree(nullptr, address);
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20.1k
}
xzdec_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
87.7k
static void LzmaFree(ISzAllocPtr p, void *address) {
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87.7k
  SzFree(nullptr, address);
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87.7k
}
lzmaenc_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
87.3k
static void LzmaFree(ISzAllocPtr p, void *address) {
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87.3k
  SzFree(nullptr, address);
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87.3k
}
xzenc_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
176k
static void LzmaFree(ISzAllocPtr p, void *address) {
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176k
  SzFree(nullptr, address);
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176k
}
ppmdenc_fuzzer.cc:LzmaFree(ISzAlloc const*, void*)
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Source
43
6.62k
static void LzmaFree(ISzAllocPtr p, void *address) {
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6.62k
  SzFree(nullptr, address);
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6.62k
}
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static ISzAlloc CommonAlloc = {LzmaAlloc, LzmaFree};
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#else
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#include "7zAlloc.h"
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static ISzAlloc CommonAlloc = {SzAlloc, SzFree};
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#endif