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Issue 806597 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in SkImage::width

Project Member Reported by ClusterFuzz, Jan 28 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6370463400591360

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  SkImage::width
  cc::PaintImage::width
  cc::CreateDrawImage
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=529788:529845

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6370463400591360

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 28 2018

Components: Internals>Compositing Internals>Skia
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, Jan 28 2018

Cc: jvanverth@google.com khushals...@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

cc/ipc: Use PaintFilter serialization directly for FilterOperations. by khushalsagar@chromium.org - https://chromium.googlesource.com/chromium/src/+/edcfacf19e21ebe0910f7ad90d10902170cda21a

Support scaled color emojis for SDF fallback by jvanverth@google.com - https://skia.googlesource.com/skia/+/c65b65dd816b7a9fbd148f577f0271cd555c4df6

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Components: -Internals>Skia Internals>Compositing>OOP-Raster
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, May 3 2018

ClusterFuzz has detected this issue as fixed in range 555638:555648.

Detailed report: https://clusterfuzz.com/testcase?key=6370463400591360

Fuzzer: libFuzzer_paint_op_buffer_eq_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000000000c
Crash State:
  SkImage::width
  cc::PaintImage::width
  cc::CreateDrawImage
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=529788:529845
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=555638:555648

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6370463400591360

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 5 by ClusterFuzz, May 3 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6370463400591360 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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