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Heap-use-after-free in fxcrt::UnownedPtr<unsigned char const>::ProbeForLowSeverityLifetimeIssue |
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Issue descriptionDetailed report: https://clusterfuzz.com/testcase?key=5273645159809024 Fuzzer: libFuzzer_pdfium_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-use-after-free READ 1 Crash Address: 0x603000006b30 Crash State: fxcrt::UnownedPtr<unsigned char const>::ProbeForLowSeverityLifetimeIssue PDF_DataDecode CPDF_StreamAcc::ProcessFilteredData Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=599300:599311 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5273645159809024 Issue filed automatically. See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
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Oct 12
Automatically adding ccs based on OWNERS file / target commit history. If this is incorrect, please add ClusterFuzz-Wrong label.
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Oct 12
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/0f567261d33a70860bb3ec3db4cf1185df1a9a54 (Make PDF_DataDecode()'s buffer out parameter a std::unique_ptr.). 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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Oct 12
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Oct 13
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Oct 13
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Oct 13
The following revision refers to this bug: https://pdfium.googlesource.com/pdfium/+/4f5ccaaecd7e524e98b79af6823a9ab6a8753d7f commit 4f5ccaaecd7e524e98b79af6823a9ab6a8753d7f Author: Lei Zhang <thestig@chromium.org> Date: Sat Oct 13 06:39:00 2018 Fix span / unique_ptr destruction order in PDF_DataDecode(). BUG= chromium:895026 Change-Id: Ie7d8bfd6e42308c3531ce6637ad29ec2231a2095 Reviewed-on: https://pdfium-review.googlesource.com/c/43984 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org> [modify] https://crrev.com/4f5ccaaecd7e524e98b79af6823a9ab6a8753d7f/core/fpdfapi/parser/fpdf_parser_decode.cpp
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Oct 13
Issue 895067 has been merged into this issue.
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Oct 13
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Oct 13
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/13071d410865e477c39fc706ff72a6de73c51dd5 commit 13071d410865e477c39fc706ff72a6de73c51dd5 Author: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com> Date: Sat Oct 13 09:19:22 2018 Roll src/third_party/pdfium 355f9eaaf10a..4f5ccaaecd7e (3 commits) https://pdfium.googlesource.com/pdfium.git/+log/355f9eaaf10a..4f5ccaaecd7e git log 355f9eaaf10a..4f5ccaaecd7e --date=short --no-merges --format='%ad %ae %s' 2018-10-13 thestig@chromium.org Fix span / unique_ptr destruction order in PDF_DataDecode(). 2018-10-13 thestig@chromium.org Make testing/ pass gn check. 2018-10-13 thestig@chromium.org Fix v8 ToLocalChecked() failure in CJS_Runtime. Created with: gclient setdep -r src/third_party/pdfium@4f5ccaaecd7e The AutoRoll server is located here: https://autoroll.skia.org/r/pdfium-autoroll Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+/master/autoroll/README.md If the roll is causing failures, please contact the current sheriff, who should be CC'd on the roll, and stop the roller if necessary. BUG= chromium:895026 , chromium:894938 TBR=dsinclair@chromium.org Change-Id: I385c86e2fdb8668f66ff1842698837b25f463ae2 Reviewed-on: https://chromium-review.googlesource.com/c/1279913 Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com> Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/master@{#599501} [modify] https://crrev.com/13071d410865e477c39fc706ff72a6de73c51dd5/DEPS
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Oct 13
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Oct 13
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Oct 14
ClusterFuzz testcase 6720560317595648 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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Oct 15
ClusterFuzz has detected this issue as fixed in range 599500:599501. Detailed report: https://clusterfuzz.com/testcase?key=5273645159809024 Fuzzer: libFuzzer_pdfium_fuzzer Job Type: libfuzzer_chrome_asan Platform Id: linux Crash Type: Heap-use-after-free READ 1 Crash Address: 0x603000006b30 Crash State: fxcrt::UnownedPtr<unsigned char const>::ProbeForLowSeverityLifetimeIssue PDF_DataDecode CPDF_StreamAcc::ProcessFilteredData Sanitizer: address (ASAN) Recommended Security Severity: High Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=599300:599311 Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=599500:599501 Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5273645159809024 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.
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Jan 19
(3 days ago)
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 ClusterFuzz
, Oct 12Labels: Test-Predator-Auto-Components