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Issue metadata

Status: Verified
Owner:
Closed: Dec 26
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug



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Null-dereference READ in sqlite3ExprCollSeq

Project Member Reported by ClusterFuzz, Dec 13

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6210827432230912

Fuzzer: libFuzzer_sqlite3_lpm_fuzzer
Fuzz target binary: sqlite3_lpm_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000011
Crash State:
  sqlite3ExprCollSeq
  sqlite3BinaryCompareCollSeq
  codeCompare
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=615329:615346

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6210827432230912

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Dec 13

Labels: OS-Windows
Project Member

Comment 2 by ClusterFuzz, Dec 13

Components: Internals>Storage
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 3 by ClusterFuzz, Dec 13

Cc: mpdenton@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 4 by ClusterFuzz, Dec 13

Labels: Test-Predator-Auto-Owner
Owner: mpdenton@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7d3def8575ecd2e5e2e7ab7f585961206007bd25 (Adds LPM-based SQLite fuzzer).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Owner: pwnall@chromium.org
Project Member

Comment 6 by ClusterFuzz, Dec 26

ClusterFuzz has detected this issue as fixed in range 618925:618926.

Detailed report: https://clusterfuzz.com/testcase?key=6210827432230912

Fuzzer: libFuzzer_sqlite3_lpm_fuzzer
Fuzz target binary: sqlite3_lpm_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000011
Crash State:
  sqlite3ExprCollSeq
  sqlite3BinaryCompareCollSeq
  codeCompare
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=615329:615346
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=618925:618926

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6210827432230912

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 7 by ClusterFuzz, Dec 26

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6210827432230912 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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