Null-dereference READ in blink::HTMLCanvasElement::CopiedImage |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5485510206947328 Fuzzer: ochang_domfuzzer Job Type: linux_msan_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::HTMLCanvasElement::CopiedImage blink::WriteImageNodeToClipboard blink::WebLocalFrameImpl::CopyImageAt Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=562303:562305 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5485510206947328 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Jul 23
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d58a24353033b9213b3076bb7c603519f76dc852 (Use CanvasResource as a vehicle for OffscreenCanvas placeholder frames). 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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Jul 25
Remove Blink>Editing, since this is caused by copy image from off-screen canvas.
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Jul 25
ClusterFuzz has detected this issue as fixed in range 577565:577567. Detailed report: https://clusterfuzz.com/testcase?key=5485510206947328 Fuzzer: ochang_domfuzzer Job Type: linux_msan_content_shell_drt Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: blink::HTMLCanvasElement::CopiedImage blink::WriteImageNodeToClipboard blink::WebLocalFrameImpl::CopyImageAt Sanitizer: memory (MSAN) Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=562303:562305 Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=577565:577567 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5485510206947328 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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Jul 25
ClusterFuzz testcase 5485510206947328 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
, Jul 23Labels: Test-Predator-Auto-Components