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Heap-buffer-overflow in SkiaState::AdjustClip |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4711783817543680 Fuzzer: ifratric_pdf_generic Job Type: linux_asan_pdfium Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x60400340f15c Crash State: SkiaState::AdjustClip CFX_SkiaDeviceDriver::DrawShading CPDF_RenderStatus::DrawShading Sanitizer: address (ASAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=481531:481564 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4711783817543680 Issue filed automatically. See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
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Jun 24 2017
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it. If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jun 24 2017
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Jun 25 2017
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Jun 26 2017
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Jun 26 2017
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Jun 27 2017
ClusterFuzz has detected this issue as fixed in range 482264:482277. Detailed report: https://clusterfuzz.com/testcase?key=4711783817543680 Fuzzer: ifratric_pdf_generic Job Type: linux_asan_pdfium Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x60400340f15c Crash State: SkiaState::AdjustClip CFX_SkiaDeviceDriver::DrawShading CPDF_RenderStatus::DrawShading Sanitizer: address (ASAN) Recommended Security Severity: Medium Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=481531:481564 Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=482264:482277 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4711783817543680 See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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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Jun 27 2017
ClusterFuzz testcase 4711783817543680 is verified as fixed, so closing issue. If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
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Jun 27 2017
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Jun 27 2017
This probably only got fixed after disabling Skia, it should be looked with Skia paths enabled.
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Jul 26 2017
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Oct 3 2017
This bug has been closed for more than 14 weeks. Removing security view restrictions. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot |
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Comment 1 by sheriffbot@chromium.org
, Jun 24 2017