Float-cast-overflow in blink::ShapeResultBuffer::IndividualCharacterAdvances |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5955757661749248 Fuzzer: inferno_twister_c Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Float-cast-overflow Crash Address: Crash State: blink::ShapeResultBuffer::IndividualCharacterAdvances blink::CachingWordShaper::IndividualCharacterAdvances blink::Font::IndividualCharacterAdvances Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=583777:583778 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5955757661749248 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Sep 4
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/3c61aca7b5c67ebdee22f5e146f215d724249fae (Separate TextMetrics advances from CharacterRanges (ligatures fixed).). If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
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Sep 10
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/e5b5efa7c13fc585c98406e333df1a2c61721938 commit e5b5efa7c13fc585c98406e333df1a2c61721938 Author: David Quiroz Marin <davidqu@chromium.org> Date: Mon Sep 10 19:03:32 2018 Fix float-cast-overflow in IndividualCharacterAdvances Advances should be store as doubles, but the previous code was using a float as a part of their computation. Bug: 880169 Change-Id: I47fd70bf947c9b1e0fdb827eba69108bd938a72a Reviewed-on: https://chromium-review.googlesource.com/1213516 Reviewed-by: Stephen White <senorblanco@chromium.org> Commit-Queue: David Quiroz Marin <davidqu@chromium.org> Cr-Commit-Position: refs/heads/master@{#590010} [modify] https://crrev.com/e5b5efa7c13fc585c98406e333df1a2c61721938/third_party/blink/renderer/platform/fonts/shaping/shape_result_buffer.cc [modify] https://crrev.com/e5b5efa7c13fc585c98406e333df1a2c61721938/third_party/blink/renderer/platform/fonts/shaping/shape_result_buffer.h
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Sep 11
ClusterFuzz has detected this issue as fixed in range 590008:590010. Detailed report: https://clusterfuzz.com/testcase?key=5955757661749248 Fuzzer: inferno_twister_c Job Type: linux_ubsan_chrome Platform Id: linux Crash Type: Float-cast-overflow Crash Address: Crash State: blink::ShapeResultBuffer::IndividualCharacterAdvances blink::CachingWordShaper::IndividualCharacterAdvances blink::Font::IndividualCharacterAdvances Sanitizer: undefined (UBSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=583777:583778 Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=590008:590010 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5955757661749248 See https://github.com/google/clusterfuzz-tools 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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Sep 11
ClusterFuzz testcase 5955757661749248 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
, Sep 4Labels: Test-Predator-Auto-Components