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Starred by 2 users
Status: Verified
Owner: ----
Closed: May 2017
Cc:
Type: Bug



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ffmpeg: Crash in pred8x8_128_dc_8_c
Project Member Reported by ClusterFuzz-External, May 9 2017 Back to list
Detailed report: https://oss-fuzz.com/testcase?key=6483783723253760

Project: ffmpeg
Fuzzer: libFuzzer_ffmpeg_AV_CODEC_ID_WEBP_fuzzer
Fuzz target binary: ffmpeg_AV_CODEC_ID_WEBP_fuzzer
Job Type: libfuzzer_asan_ffmpeg
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x000000000000
Crash State:
  pred8x8_128_dc_8_c
  vp8_decode_mb_row_no_filter
  vp8_decode_mb_row_sliced
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201704301625:201705042156

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6483783723253760


Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse
without an upstream patch, then the bug report will automatically
become visible to the public.
 
Project Member Comment 1 by ClusterFuzz-External, May 9 2017
Labels: OS-Linux
Project Member Comment 2 by ClusterFuzz-External, May 12 2017
ClusterFuzz has detected this issue as fixed in range 201705101624:201705111623.

Detailed report: https://oss-fuzz.com/testcase?key=6483783723253760

Project: ffmpeg
Fuzzer: libFuzzer_ffmpeg_AV_CODEC_ID_WEBP_fuzzer
Fuzz target binary: ffmpeg_AV_CODEC_ID_WEBP_fuzzer
Job Type: libfuzzer_asan_ffmpeg
Platform Id: linux

Crash Type: UNKNOWN WRITE
Crash Address: 0x000000000000
Crash State:
  pred8x8_128_dc_8_c
  vp8_decode_mb_row_no_filter
  vp8_decode_mb_row_sliced
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201704301625:201705042156
Fixed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201705101624:201705111623

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6483783723253760


See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member Comment 3 by ClusterFuzz-External, May 12 2017
Labels: ClusterFuzz-Verified
Status: Verified
ClusterFuzz testcase 6483783723253760 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member Comment 4 by sheriffbot@chromium.org, Jun 11 2017
Labels: -restrict-view-commit
This bug has been fixed for 30 days. It has been opened to the public.

- Your friendly Sheriffbot
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