out of bounds access in GrAAConvexTessellator |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5958943768313856 Fuzzer: libFuzzer_paint_op_buffer_fuzzer Job Type: libfuzzer_chrome_asan_debug Platform Id: linux Crash Type: Abrt Crash Address: 0x0539000017a2 Crash State: sk_abort_no_print SkTDArray<GrAAConvexTessellator::Ring::PointData>::operator SkTDArray<GrAAConvexTessellator::Ring::PointData>::operator Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=529162:529166 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5958943768313856 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Apr 25 2018
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Apr 25 2018
The following revision refers to this bug: https://skia.googlesource.com/skia/+/890a8cc60478ca3d54645ee15e6d3389015bf38e commit 890a8cc60478ca3d54645ee15e6d3389015bf38e Author: Adrienne Walker <enne@chromium.org> Date: Wed Apr 25 23:15:30 2018 Fix GrAAConvexTessellator trying to fan a 0 point ring This prevents accessing off an empty array. Bug: chromium:830038 Change-Id: I5ad019d56659c667564efc498dcef7fb112da4af Reviewed-on: https://skia-review.googlesource.com/123800 Commit-Queue: Adrienne Walker <enne@chromium.org> Commit-Queue: Mike Klein <mtklein@google.com> Auto-Submit: Adrienne Walker <enne@chromium.org> Reviewed-by: Mike Klein <mtklein@google.com> [modify] https://crrev.com/890a8cc60478ca3d54645ee15e6d3389015bf38e/src/gpu/ops/GrAAConvexTessellator.cpp
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Apr 26 2018
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/34f0f203718a104254678606e72712dea0e11074 commit 34f0f203718a104254678606e72712dea0e11074 Author: skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com> Date: Thu Apr 26 04:56:37 2018 Roll src/third_party/skia/ 25af671a3..6b043cb9c (10 commits) https://skia.googlesource.com/skia.git/+log/25af671a3d7d..6b043cb9cc1a $ git log 25af671a3..6b043cb9c --date=short --no-merges --format='%ad %ae %s' 2018-04-26 angle-skia-autoroll Roll third_party/externals/angle2/ f827123d9..197d52949 (2 commits) 2018-04-25 fmalita [skottie] Add support for inverse mask paths 2018-04-25 swiftshader-skia-autoroll Roll third_party/externals/swiftshader/ c8eedebdf..840f47ea8 (5 commits) 2018-04-25 enne Fix GrAAConvexTessellator trying to fan a 0 point ring 2018-04-25 bsalomon Reland "Revert "Add arcs as a specialized geometry to GrShape."" 2018-04-25 liyuqian Remove SkASSERT(fConvexity == kUnknown_Convexity) due to racing 2018-04-25 bsalomon Make SkString::appendf safe for long strings. 2018-04-25 skcms-skia-autoroll Roll skia/third_party/skcms 2c9b55f..ba9fcb3 (1 commits) 2018-04-25 reed fix android-framework 2018-04-25 csmartdalton Remove the MSAA path renderer Created with: roll-dep src/third_party/skia BUG= chromium:830038 The AutoRoll server is located here: https://autoroll.skia.org Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+/master/autoroll/README.md If the roll is causing failures, please contact the current sheriff, who should be CC'd on the roll, and stop the roller if necessary. CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel TBR=stani@chromium.org Change-Id: I027b96e1a3a856ef003b64a2fbc01864671fea9b Reviewed-on: https://chromium-review.googlesource.com/1029611 Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com> Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/master@{#553921} [modify] https://crrev.com/34f0f203718a104254678606e72712dea0e11074/DEPS
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Apr 26 2018
ClusterFuzz has detected this issue as fixed in range 553919:553934. Detailed report: https://clusterfuzz.com/testcase?key=5958943768313856 Fuzzer: libFuzzer_paint_op_buffer_fuzzer Job Type: libfuzzer_chrome_asan_debug Platform Id: linux Crash Type: Abrt Crash Address: 0x0539000017a2 Crash State: sk_abort_no_print SkTDArray<GrAAConvexTessellator::Ring::PointData>::operator SkTDArray<GrAAConvexTessellator::Ring::PointData>::operator Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=529162:529166 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=553919:553934 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5958943768313856 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.
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Apr 26 2018
ClusterFuzz testcase 5958943768313856 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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Comment 1 by ClusterFuzz
, Apr 6 2018Labels: Test-Predator-Auto-Components