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Issue 915291 link

Starred by 1 user
Status: Verified
Owner:
pwnall@chromium.org
Closed: Jan 12
Cc:
mpdenton@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Heap-buffer-overflow in insertCell

Project Member Reported by ClusterFuzz, Dec 14 
Detailed report: https://clusterfuzz.com/testcase?key=4668819014156288

Fuzzer: libFuzzer_sqlite3_dbfuzz2_fuzzer
Fuzz target binary: sqlite3_dbfuzz2_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Heap-buffer-overflow WRITE 5
Crash Address: 0x12a3aa785ffb
Crash State:
  insertCell
  balance
  sqlite3BtreeInsert
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=614851:614852

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4668819014156288

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing_on_windows.md for more information.
Project Member

Comment 1 by ClusterFuzz, Dec 14

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 14

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 14

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.

Comment 4 by mpdenton@chromium.org, Dec 14

Cc: -metzman@chromium.org -pwnall@chromium.org mpdenton@chromium.org
Labels: -Type-Bug-Security -Restrict-View-SecurityTeam -Security_Impact-Head -Security_Severity-High Pri-2 Type-Bug
Owner: pwnall@chromium.org

Comment 5 by metzman@chromium.org, Dec 14 

The documentation for reproducing on Windows has been moved to https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md
Project Member

Comment 6 by ClusterFuzz, Jan 12 

ClusterFuzz has detected this issue as fixed in range 622191:622221.

Detailed report: https://clusterfuzz.com/testcase?key=4668819014156288

Fuzzer: libFuzzer_sqlite3_dbfuzz2_fuzzer
Fuzz target binary: sqlite3_dbfuzz2_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Heap-buffer-overflow WRITE 5
Crash Address: 0x12a3aa785ffb
Crash State:
  insertCell
  balance
  sqlite3BtreeInsert
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=614851:614852
Fixed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=622191:622221

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4668819014156288

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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, Jan 12

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4668819014156288 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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