File size: 4,309 Bytes
ae82e13
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
{
  "python": "3.12.3 (main, Mar 23 2026, 19:04:32) [GCC 13.3.0]",
  "cwd": "/home/hacnho/Projects/research",
  "huge_declared_length": 2147483647,
  "control_size": 155,
  "malicious_size": 158,
  "memory_limit_mb": 512,
  "results": [
    {
      "path": "/tmp/tmpb1tkdk9g/control.avro",
      "mode": "fastavro",
      "returncode": 0,
      "elapsed": 0.050711631774902344,
      "stdout": "[{'x': 1}]\n",
      "stderr": "",
      "memory_error": false
    },
    {
      "path": "/tmp/tmpb1tkdk9g/control.avro",
      "mode": "apache-avro",
      "returncode": 0,
      "elapsed": 0.06384634971618652,
      "stdout": "[{'x': 1}]\n",
      "stderr": "",
      "memory_error": false
    },
    {
      "path": "/tmp/tmpb1tkdk9g/malicious-huge-avro-schema-length.avro",
      "mode": "fastavro",
      "returncode": 1,
      "elapsed": 0.053327322006225586,
      "stdout": "",
      "stderr": "Traceback (most recent call last):\n  File \"<string>\", line 7, in <module>\n  File \"fastavro/_read.pyx\", line 1137, in fastavro._read.reader.__init__\n  File \"fastavro/_read.pyx\", line 1064, in fastavro._read.file_reader.__init__\n  File \"fastavro/_read.pyx\", line 780, in fastavro._read._read_data\n  File \"fastavro/_read.pyx\", line 654, in fastavro._read.read_record\n  File \"fastavro/_read.pyx\", line 764, in fastavro._read._read_data\n  File \"fastavro/_read.pyx\", line 487, in fastavro._read.read_map\n  File \"fastavro/_read.pyx\", line 750, in fastavro._read._read_data\n  File \"fastavro/_read.pyx\", line 298, in fastavro._read.read_bytes\nMemoryError\n",
      "memory_error": true
    },
    {
      "path": "/tmp/tmpb1tkdk9g/malicious-huge-avro-schema-length.avro",
      "mode": "apache-avro",
      "returncode": 1,
      "elapsed": 0.0594182014465332,
      "stdout": "",
      "stderr": "Traceback (most recent call last):\n  File \"<string>\", line 12, in <module>\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/datafile.py\", line 327, in __init__\n    self._read_header()\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/datafile.py\", line 377, in _read_header\n    header = cast(HeaderType, self.datum_reader.read_data(META_SCHEMA, META_SCHEMA, self.raw_decoder))\n                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 717, in read_data\n    return self.read_record(writers_schema, readers_schema, decoder)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 912, in read_record\n    field_val = self.read_data(field.type, readers_field.type, decoder)\n                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 714, in read_data\n    return self.read_map(writers_schema, readers_schema, decoder)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 843, in read_map\n    read_items[key] = self.read_data(writers_schema.values, readers_schema.values, decoder)\n                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 696, in read_data\n    return decoder.read_bytes()\n           ^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 312, in read_bytes\n    return self.read(self.read_long())\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n  File \"/home/hacnho/Projects/research/targets/huntr/work/avro-lab/.venv/lib/python3.12/site-packages/avro/io.py\", line 217, in read\n    read_bytes = self.reader.read(n)\n                 ^^^^^^^^^^^^^^^^^^^\nMemoryError\n",
      "memory_error": true
    }
  ],
  "finding": true
}