Null-dereference READ in CPDF_ShadingPattern::Load |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=4721491622232064 Fuzzer: ifratric_pdf_generic Job Type: linux_asan_pdfium Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000010 Crash State: CPDF_ShadingPattern::Load CPDF_StreamContentParser::Handle_ShadeFill CPDF_StreamContentParser::Parse Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524458:524459 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4721491622232064 Issue filed automatically. See https://github.com/google/clusterfuzz-tools for more information.
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Dec 16 2017
Automatically applying components based on crash stacktrace and information from OWNERS files. If this is incorrect, please apply the Test-Predator-Wrong-Components label.
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Dec 16 2017
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/3208356db199098d1110780e138b74b6436deb0b (Validate shading pattern's ColorSpace. It cannot be a Pattern CS.). If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
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Dec 16 2017
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Dec 16 2017
Easy fix.
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Dec 16 2017
The following revision refers to this bug: https://pdfium.googlesource.com/pdfium/+/682118834b3cf2b5510ee676088fdd8f11869e84 commit 682118834b3cf2b5510ee676088fdd8f11869e84 Author: Lei Zhang <thestig@chromium.org> Date: Sat Dec 16 06:52:48 2017 Fix null-dereference in CPDF_ShadingPattern::Load(). BUG= chromium:795490 TBR=hnakashima@chromium.org Change-Id: Ic9f12c1c709c148f7294ab2aaf65fcc695960835 Reviewed-on: https://pdfium-review.googlesource.com/21530 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org> [modify] https://crrev.com/682118834b3cf2b5510ee676088fdd8f11869e84/core/fpdfapi/page/cpdf_shadingpattern.cpp
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Dec 16 2017
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Dec 17 2017
ClusterFuzz has detected this issue as fixed in range 524599:524600. Detailed report: https://clusterfuzz.com/testcase?key=4721491622232064 Fuzzer: ifratric_pdf_generic Job Type: linux_asan_pdfium Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000010 Crash State: CPDF_ShadingPattern::Load CPDF_StreamContentParser::Handle_ShadeFill CPDF_StreamContentParser::Parse Sanitizer: address (ASAN) Regressed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524458:524459 Fixed: https://clusterfuzz.com/revisions?job=linux_asan_pdfium&range=524599:524600 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4721491622232064 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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Dec 17 2017
ClusterFuzz testcase 4721491622232064 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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Dec 18 2017
Issue 795532 has been merged into this issue.
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Dec 18 2017
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Dec 18 2017
The following revision refers to this bug: https://pdfium.googlesource.com/pdfium/+/9ecd41496d25a077adfafc975ad201c3fc15b60a commit 9ecd41496d25a077adfafc975ad201c3fc15b60a Author: Henrique Nakashima <hnakashima@chromium.org> Date: Mon Dec 18 20:41:23 2017 [Merge M64] Fix null-dereference in CPDF_ShadingPattern::Load(). BUG= chromium:795490 TBR=hnakashima@chromium.org Change-Id: Ic9f12c1c709c148f7294ab2aaf65fcc695960835 Reviewed-on: https://pdfium-review.googlesource.com/21530 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org> (cherry picked from commit 682118834b3cf2b5510ee676088fdd8f11869e84) Reviewed-on: https://pdfium-review.googlesource.com/21630 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> [modify] https://crrev.com/9ecd41496d25a077adfafc975ad201c3fc15b60a/core/fpdfapi/page/cpdf_shadingpattern.cpp
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Dec 18 2017
Issue 795889 has been merged into this issue. |
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Comment 1 by ClusterFuzz
, Dec 16 2017