New issue
Advanced search Search tips

Issue 905621 link

Starred by 1 user

Issue metadata

Status: Verified
Owner: ----
Closed: Nov 20
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference READ in SkDiscardableMemory::Create

Project Member Reported by ClusterFuzz, Nov 15

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5244017882955776

Fuzzer: libFuzzer_skia_image_filter_deserialize_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkDiscardableMemory::Create
  SkResourceCache::newCachedData
  SkResourceCache::NewCachedData
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=607281:607292

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5244017882955776

Issue filed automatically.

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

Comment 2 by ClusterFuzz, Nov 20

ClusterFuzz has detected this issue as fixed in range 609334:609340.

Detailed report: https://clusterfuzz.com/testcase?key=5244017882955776

Fuzzer: libFuzzer_skia_image_filter_deserialize_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkDiscardableMemory::Create
  SkResourceCache::newCachedData
  SkResourceCache::NewCachedData
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=607281:607292
Fixed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=609334:609340

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5244017882955776

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing_on_windows.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 3 by ClusterFuzz, Nov 20

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5244017882955776 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
The documentation for reproducing bugs on Windows was moved to: https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md

Sign in to add a comment