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  1. C Driver
  2. CDRIVER-2693

Segfault in bson_b64_pton parsing valid BSON

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 1.10.3
    • Affects Version/s: 1.10.2
    • Component/s: libbson
    • None
    • Environment:
      CentOS 7
      cmake3

      installed via 

       

      cmake3 -DCMAKE_INSTALL_PREFIX=/usr -DENABLE_AUTOMATIC_INIT_AND_CLEANUP=OFF -DENABLE_BSON=ONLY -DCMAKE_BUILD_TYPE=Debug .
cd src/libbson
make
make install

       

       

      #include <stdio.h>
#include <bson.h>
static void test_binary(){
 bson_t *b, *c;
 char *str;
 size_t len;
 b = bson_new ();
 const uint8_t binary[] = {0, 1, 2, 3, 4};
 BSON_ASSERT (bson_append_binary (b, "binary", -1, BSON_SUBTYPE_BINARY, binary, sizeof binary));
 str = bson_as_json (b, &len);
 //str = "{ \"binary\" : { \"$binary\" : \"AAECAwQ=\", \"$type\" : \"00\" } }"
 bson_error_t e;
 c = bson_new_from_json(str, len, &e);
 printf("%s\n", str);
 bson_free (str);
 bson_destroy (b);
}
int
main (int argc,
 char *argv[])
{
 test_binary();
 return 0;
}

       

      bson_new_from_json calls

      bson_json_reader_read calls

      jsonsl_feed calls

      bson_b64_pton

       

      segfaults on line

      c = bson_new_from_json(str, len, &e);

       

        1. 000-initialize-b64rmap.patch
          0.9 kB

            Assignee:
            jesse@mongodb.com A. Jesse Jiryu Davis
            Reporter:
            bauman Dan Bauman
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            Watchers:
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              Created:
              Updated:
              Resolved: