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Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/774e03c6946af8fa37f226e3446bd80a5d27fd37 (Remove levels from RasterInterface).

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/20797261dc0080b25b11b5985c567ad6127fa32a

commit 20797261dc0080b25b11b5985c567ad6127fa32a
Author: Jonathan Backer <backer@chromium.org>
Date: Wed Jun 06 17:42:47 2018

Check tex_image_failed instead of glGetError

TextureManager does some validation and will reject a bad glTexImage2D
before it gets issued to the driver. We should prefer to check
tex_image_failed (which is set by TextureManager) over glGetError.

This issue was found by clusterfuzz. I added a gpu_unittest that fails
without this change because it hits DCHECKS in texture_manager.cc when
we call SetImmutable in raster_decoder.cc.

I have confirmed locally that this CL resolves the clusterfuzz issue.

Bug:  850056 
Cq-Include-Trybots: 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
Change-Id: Ibedec4ccc9ec4e3758eb38292642a8671ee8f975
Reviewed-on: https://chromium-review.googlesource.com/1089030
Reviewed-by: Peng Huang <penghuang@chromium.org>
Commit-Queue: Jonathan Backer <backer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#564953}
[modify] https://crrev.com/20797261dc0080b25b11b5985c567ad6127fa32a/gpu/command_buffer/service/raster_decoder.cc
[modify] https://crrev.com/20797261dc0080b25b11b5985c567ad6127fa32a/gpu/command_buffer/service/raster_decoder_unittest.cc
[modify] https://crrev.com/20797261dc0080b25b11b5985c567ad6127fa32a/gpu/command_buffer/service/raster_decoder_unittest_base.cc

ClusterFuzz has detected this issue as fixed in range 564946:564969.

Detailed report: https://clusterfuzz.com/testcase?key=5551906962014208

Fuzzer: libFuzzer_gpu_raster_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  1 <= levels in texture_manager.cc
  gpu::gles2::Texture::UpdateNumMipLevels
  gpu::gles2::Texture::SetImmutable
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=564546:564563
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=564946:564969

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5551906962014208

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 5551906962014208 is verified as fixed, so closing issue as verified.

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