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Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2017
Cc:
Type: Bug-Security



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gdal/gtiff_fuzzer: Crash in TIFFFillTile

Project Member Reported by ClusterFuzz-External, Nov 9 2017

Issue description

Detailed report: https://oss-fuzz.com/testcase?key=6518095486124032

Project: gdal
Fuzzer: libFuzzer_gdal_gtiff_fuzzer
Fuzz target binary: gtiff_fuzzer
Job Type: libfuzzer_ubsan_gdal
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7ff53c4aaa40
Crash State:
  TIFFFillTile
  TIFFReadEncodedTile
  gtTileSeparate
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_gdal&range=201710110523:201710111651

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6518095486124032

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.

When you fix this bug, please
  * mention the fix revision(s).
  * state whether the bug was a short-lived regression or an old bug in any stable releases.
  * add any other useful information.
This information can help downstream consumers.

If you have questions for the OSS-Fuzz team, please file an issue at https://github.com/google/oss-fuzz/issues.
 
Project Member

Comment 1 by ClusterFuzz-External, Nov 9 2017

Labels: OS-Linux
Project Member

Comment 3 by ClusterFuzz-External, Nov 10 2017

ClusterFuzz has detected this issue as fixed in range 201711090704:201711100655.

Detailed report: https://oss-fuzz.com/testcase?key=6518095486124032

Project: gdal
Fuzzer: libFuzzer_gdal_gtiff_fuzzer
Fuzz target binary: gtiff_fuzzer
Job Type: libfuzzer_ubsan_gdal
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7ff53c4aaa40
Crash State:
  TIFFFillTile
  TIFFReadEncodedTile
  gtTileSeparate
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_gdal&range=201710110523:201710111651
Fixed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_gdal&range=201711090704:201711100655

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6518095486124032

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 4 by ClusterFuzz-External, Nov 10 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: New)
ClusterFuzz testcase 6518095486124032 is verified as fixed, so closing issue as verified.

If this is incorrect, please file a bug on https://github.com/google/oss-fuzz/issues/new
Project Member

Comment 5 by sheriffbot@chromium.org, Dec 10

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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