Unable to provide possible suspect using Predator, CL and Code Search.

Could someone from dev team would look into the issue, assign it to the concern owner.


Thank You.

Removing "CF-NeedsTriage" since it has been assigned to right component.

Appears to be a crash in Angle (with Angle fuzzer). geofflang@ can you take a look? Thanks!

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The link referenced in the description is no longer valid.

Corentin, want to triage this?

The following revision refers to this bug:
  https://chromium.googlesource.com/angle/angle/+/d78e33a8da3130f424a10c6053dad05a010beb6e

commit d78e33a8da3130f424a10c6053dad05a010beb6e
Author: Corentin Wallez <cwallez@chromium.org>
Date: Wed Nov 01 17:01:08 2017

preprocessor: Fix lineno overflow on line continuations

BUG= chromium:774807 

Change-Id: I4b3fbee31683f411810080572cfff0f8307b93bf
Reviewed-on: https://chromium-review.googlesource.com/744183
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

[modify] https://crrev.com/d78e33a8da3130f424a10c6053dad05a010beb6e/src/compiler/preprocessor/Tokenizer.cpp
[modify] https://crrev.com/d78e33a8da3130f424a10c6053dad05a010beb6e/src/tests/preprocessor_tests/location_test.cpp
[modify] https://crrev.com/d78e33a8da3130f424a10c6053dad05a010beb6e/src/compiler/preprocessor/DiagnosticsBase.cpp
[modify] https://crrev.com/d78e33a8da3130f424a10c6053dad05a010beb6e/src/compiler/preprocessor/Tokenizer.l
[modify] https://crrev.com/d78e33a8da3130f424a10c6053dad05a010beb6e/src/compiler/preprocessor/Input.cpp

The following revision refers to this bug:
  https://skia.googlesource.com/skia/+/407750ffd84fac63d70793b0d485a84facd2987b

commit 407750ffd84fac63d70793b0d485a84facd2987b
Author: angle-deps-roller@chromium.org <angle-deps-roller@chromium.org>
Date: Wed Nov 01 17:59:10 2017

Roll skia/third_party/externals/angle2/ 63458a3ed..4751aabb7 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/63458a3ed819..4751aabb7614

$ git log 63458a3ed..4751aabb7 --date=short --no-merges --format='%ad %ae %s'
2017-10-30 geofflang Fix minor issues with ANGLE_texture_rectangle.
2017-10-30 cwallez preprocessor: Fix lineno overflow on line continuations
2017-11-01 geofflang Revert BGRA renderability change for ES drivers.

Created with:
  roll-dep skia/third_party/externals/angle2
BUG= 774807 , 779346 


The AutoRoll server is located here: https://angle-skia-roll.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=skia.primary:Perf-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE,Perf-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE,Perf-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE,Perf-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE,Perf-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE,Perf-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE,Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE,Test-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE,Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE,Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE,Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE,Test-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE,Build-Debian9-GCC-x86_64-Release-ANGLE
TBR=stani@google.com

Change-Id: If9875dc915b6e4db290bf706869a94ef65fc7597
Reviewed-on: https://skia-review.googlesource.com/66283
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>

[modify] https://crrev.com/407750ffd84fac63d70793b0d485a84facd2987b/DEPS

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c2ef14a3402ecfd9b9331bdd2748bc3a559d2227

commit c2ef14a3402ecfd9b9331bdd2748bc3a559d2227
Author: skia-deps-roller@chromium.org <skia-deps-roller@chromium.org>
Date: Wed Nov 01 19:52:15 2017

Roll src/third_party/skia/ 206bda5b7..d29e0da35 (10 commits)

https://skia.googlesource.com/skia.git/+log/206bda5b7931..d29e0da3523e

$ git log 206bda5b7..d29e0da35 --date=short --no-merges --format='%ad %ae %s'
2017-11-01 csmartdalton Fold analytic clip FPs into GrReducedClip
2017-11-01 angle-deps-roller Roll skia/third_party/externals/angle2/ 63458a3ed..4751aabb7 (3 commits)
2017-11-01 bungeman Directly use SkScalerContextRec.
2017-11-01 fmalita Gradient cleanup pass
2017-11-01 brianosman Add testcase for gbr config running on GTX1070 bots to test.py
2017-11-01 angle-deps-roller Roll skia/third_party/externals/angle2/ 206a58d1f..63458a3ed (1 commit)
2017-11-01 csmartdalton Revert "Fold analytic clip FPs into GrReducedClip"
2017-10-31 csmartdalton Fold analytic clip FPs into GrReducedClip
2017-11-01 brianosman Test SkColorSpaceXformCanvas on GTX1070 bots
2017-11-01 mtklein consolidate SkSRGB functions, and remove unused

Created with:
  roll-dep src/third_party/skia
BUG= 774807 , 779346 


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;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=stani@chromium.org

Change-Id: I4acba3e45376fc7007bd455124260045960e9aa3
Reviewed-on: https://chromium-review.googlesource.com/749046
Reviewed-by: Skia Deps Roller <skia-deps-roller@chromium.org>
Commit-Queue: Skia Deps Roller <skia-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513225}
[modify] https://crrev.com/c2ef14a3402ecfd9b9331bdd2748bc3a559d2227/DEPS

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/09ce14c7d3c8ef1dd4e7e32fc1ed043b703d8da9

commit 09ce14c7d3c8ef1dd4e7e32fc1ed043b703d8da9
Author: angle-deps-roller@chromium.org <angle-deps-roller@chromium.org>
Date: Fri Nov 03 05:32:24 2017

Roll src/third_party/angle/ 63458a3ed..7b62cf97d (24 commits)

https://chromium.googlesource.com/angle/angle.git/+log/63458a3ed819..7b62cf97d12b

$ git log 63458a3ed..7b62cf97d --date=short --no-merges --format='%ad %ae %s'
2017-11-02 jmadill Refactor TextureFormatMap to store an array.
2017-11-02 jmadill Add missing reset to GL multi-view dirty bits.
2017-11-02 jmadill Use active textures mask with robust init.
2017-11-02 jmadill Vulkan: Refactor format table.
2017-11-02 oetuaho Remove repeated "success" check from compileTreeImpl
2017-10-27 jie.a.chen ES31 program query: support AtomicCounterBuffer and UniformBlock
2017-11-02 jmadill Add a meta-script to run code generators.
2017-10-27 geofflang Pass offsets to base validation for CompressedSubTexImage3D.
2017-10-28 jmadill Vulkan: Add vk::GetImpl helper.
2017-10-28 jmadill Vulkan: Allow in-flight Framebuffer changes.
2017-11-02 oetuaho Add missing check in Compiler
2017-11-01 jie.a.chen Refactor StaticallyUsed
2017-09-27 geofflang Make GL_OES_get_program_binary enableable.
2017-10-27 ynovikov Run angle_perftests on GLES backend
2017-10-28 jmadill Vulkan: Fix deleting in-use Framebuffer.
2017-10-30 geofflang Make compressed texture format extensions enableable.
2017-11-01 jmadill Vulkan: Support Texture redefinition.
2017-10-30 geofflang Make ANGLE_texture_usage enableable.
2017-10-28 jmadill Vulkan: Fix re-creating buffer storage.
2017-10-28 jmadill Introduce SimpleStateChangeTests.
2017-10-28 jmadill Remove WrappedObject::retain.
2017-10-30 geofflang Fix minor issues with ANGLE_texture_rectangle.
2017-10-30 cwallez preprocessor: Fix lineno overflow on line continuations
2017-11-01 geofflang Revert BGRA renderability change for ES drivers.

Created with:
  roll-dep src/third_party/angle
BUG= 780545 ,675997, 774807 , 779346 


The AutoRoll server is located here: https://angle-chromium-roll.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.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=cwallez@chromium.org

Change-Id: Ic633a311ad465c126e473a2c38704b034c7e799d
Reviewed-on: https://chromium-review.googlesource.com/752511
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513699}
[modify] https://crrev.com/09ce14c7d3c8ef1dd4e7e32fc1ed043b703d8da9/DEPS

ClusterFuzz has detected this issue as fixed in range 513694:513713.

Detailed report: https://clusterfuzz.com/testcase?key=6425274353975296

Fuzzer: libFuzzer_angle_translator_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  pp::Input::read
  yy_get_next_buffer
  pplex
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=423338:423416
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=513694:513713

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6425274353975296

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.

ClusterFuzz testcase 6425274353975296 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.