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Update example_flush_fuzzer.c (#8688) 

Update zlib InflateSync() fuzzer to work with newer zlib versions
(1.1.12+), as well as old ones. See
0d36ec47f3 (diff-ee2056925e4c37440ea48152cc692dd2f33019dfe6a2d688787751a9af8f8282)
This commit is contained in:
Connal de Souza 2022-10-06 14:50:04 -04:00 committed by GitHub
parent a442ef149d
commit 87008c74aa
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1 changed files with 15 additions and 3 deletions
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18
projects/zlib/example_flush_fuzzer.c
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@ -1,3 +1,15 @@
/* Copyright 2022 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <stdio.h>
#include <stddef.h>
#include <stdint.h>
@ -85,9 +97,9 @@ int test_sync(unsigned char *compr, size_t comprLen, unsigned char *uncompr,
CHECK_ERR(err, "inflateSync");
err = inflate(&d_stream, Z_FINISH);
if (err != Z_DATA_ERROR) {
fprintf(stderr, "inflate should report DATA_ERROR\n");
/* Because of incorrect adler32 */
if (err != Z_DATA_ERROR && err != Z_STREAM_END) {
fprintf(stderr, "inflate should report DATA_ERROR or Z_STREAM_END\n");
/* v1.1.11= reports DATA_ERROR because of incorrect adler32. v1.1.12+ reports Z_STREAM END because it skips the adler32 check. */
return 0;
}
err = inflateEnd(&d_stream);