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Issue metadata

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



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gdal/ogr_fuzzer: Null-dereference READ in VSIFSeekL

Project Member Reported by ClusterFuzz-External, Nov 3 2017

Issue description

Detailed report: https://oss-fuzz.com/testcase?key=5469484052643840

Project: gdal
Fuzzer: libFuzzer_gdal_ogr_fuzzer
Fuzz target binary: ogr_fuzzer
Job Type: libfuzzer_asan_gdal
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  VSIFSeekL
  GTM::fetchNextTrack
  GTMTrackLayer::GetNextFeature
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_gdal&range=201710230523:201710240523

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5469484052643840

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 3 2017

Labels: OS-Linux
Project Member

Comment 3 by ClusterFuzz-External, Nov 4 2017

ClusterFuzz has detected this issue as fixed in range 201711030550:201711040550.

Detailed report: https://oss-fuzz.com/testcase?key=5469484052643840

Project: gdal
Fuzzer: libFuzzer_gdal_ogr_fuzzer
Fuzz target binary: ogr_fuzzer
Job Type: libfuzzer_asan_gdal
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  VSIFSeekL
  GTM::fetchNextTrack
  GTMTrackLayer::GetNextFeature
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_gdal&range=201710230523:201710240523
Fixed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_gdal&range=201711030550:201711040550

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5469484052643840

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 4 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: New)
ClusterFuzz testcase 5469484052643840 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 4

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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