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Issue metadata

Status: Verified
Owner:
Closed: Jan 12
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Heap-buffer-overflow in vdbeRecordDecodeInt

Project Member Reported by ClusterFuzz, Dec 13

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5652443029045248

Fuzzer: afl_sqlite3_dbfuzz2_fuzzer
Fuzz target binary: sqlite3_dbfuzz2_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x611000001bae
Crash State:
  vdbeRecordDecodeInt
  sqlite3VdbeRecordCompareWithSkip
  sqlite3BtreeMovetoUnpacked
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=614849:614856

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5652443029045248

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 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 2 by ClusterFuzz, Dec 13

Cc: pwnall@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 3 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/+/e3140a8f27345d395ea75fe619d730951a438e89 (Run SQLite DBFuzz2 on ClusterFuzz to fuzz for data corruption).

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.
This is one I haven't sent upstream yet.
Owner: pwnall@chromium.org
Project Member

Comment 6 by sheriffbot@chromium.org, Dec 13

Labels: Pri-2
Cc: mpdenton@chromium.org
Labels: -Type-Bug-Security -Restrict-View-SecurityTeam -Security_Severity-Low -Security_Impact-Head Type-Bug
Project Member

Comment 8 by ClusterFuzz, Jan 12

ClusterFuzz has detected this issue as fixed in range 622199:622235.

Detailed report: https://clusterfuzz.com/testcase?key=5652443029045248

Fuzzer: afl_sqlite3_dbfuzz2_fuzzer
Fuzz target binary: sqlite3_dbfuzz2_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x611000001bae
Crash State:
  vdbeRecordDecodeInt
  sqlite3VdbeRecordCompareWithSkip
  sqlite3BtreeMovetoUnpacked
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=614849:614856
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=622199:622235

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5652443029045248

Additional requirements: Requires Gestures

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 9 by ClusterFuzz, Jan 12

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5652443029045248 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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