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Issue 759328 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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pobfuzz: AAFlatteningConvexPathOp::onPrepareDraw asserts on > uint16 tessellated indices

Project Member Reported by ClusterFuzz, Aug 26 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6626991657975808

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900004e29
Crash State:
  sk_abort_no_print
  AAFlatteningConvexPathOp::onPrepareDraws
  GrMeshDrawOp::onPrepare
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=496919:496954

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6626991657975808

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Internals>Skia
Labels: Test-Predator-Wrong-CLs M-62

Comment 2 by enne@chromium.org, Aug 28 2017

Labels: -M-62 Pri-2

Comment 3 by enne@chromium.org, Sep 7 2017

Cc: senorblanco@chromium.org enne@chromium.org
Owner: bsalomon@chromium.org
Status: Assigned (was: Untriaged)
Summary: pobfuzz: AAFlatteningConvexPathOp::onPrepareDraw asserts on > uint16 tessellated indices (was: Abrt in sk_abort_no_print)
https://skia.googlesource.com/skia/+/af720ca907461bdd282b3bafbffd723d47fc3039/src/gpu/ops/GrAALinearizingConvexPathRenderer.cpp#261
Owner: ethannicholas@chromium.org
Project Member

Comment 5 by ClusterFuzz, Oct 1 2017

Labels: Test-Predator-AutoComponents
Automatically applying components based on information from OWNERS files. If this seems incorrect, please apply the Test-Predator-Wrong-Components label.

Comment 6 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Project Member

Comment 8 by ClusterFuzz, Nov 22 2017

ClusterFuzz has detected this issue as fixed in range 518505:518524.

Detailed report: https://clusterfuzz.com/testcase?key=6626991657975808

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900000aa6
Crash State:
  sk_abort_no_print
  AAFlatteningConvexPathOp::onPrepareDraws
  GrMeshDrawOp::onPrepare
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=496919:496954
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=518505:518524

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6626991657975808

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 9 by ClusterFuzz, Nov 22 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6626991657975808 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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