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Issue 641446 link

Starred by 1 user

Issue metadata

Status: Fixed
Owner:
Closed: Sep 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Out-of-memory in sfntly_fuzzer

Project Member Reported by ClusterFuzz, Aug 26 2016

Issue description

Comment 1 by mmoroz@chromium.org, Aug 26 2016

Cc: mmoroz@chromium.org kcc@chromium.org aizatsky@chromium.org
Components: Internals>Plugins>PDF
Owner: thestig@chromium.org

Comment 2 by mmoroz@chromium.org, Aug 26 2016

Components: -Internals>Plugins>PDF Internals>Skia>PDF
Status: Started (was: Untriaged)
bug_641446.patch
4.5 KB Download
Cc: js...@chromium.org behdad@chromium.org
Project Member

Comment 5 by bugdroid1@chromium.org, Sep 8 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8fe11cb88b21b7e1c3a8830249ab30c72d556bd7

commit 8fe11cb88b21b7e1c3a8830249ab30c72d556bd7
Author: thestig <thestig@chromium.org>
Date: Thu Sep 08 09:11:00 2016

Roll DEPS for sfntly b18b09b..1ef790a

https://chromium.googlesource.com/external/github.com/googlei18n/sfntly/+log/b18b09b..1ef790a

1ef790a Add missing header from commit c9025ecc.
6917286 Merge pull request #58 from leizleiz/leizleiz-lotsofchecks
4f1aa49 Add ReadableFontData::kInvalidUnsigned.
c9025ec Add more bounds checks in WritableFontData.
dd23046 Return error values in ReadableFontData::Read*().
813efeb Add a size limit for font tables.
08652be Add a nullptr check to GlyphTable::Glyph().

BUG= 641330 , 641446 , 641460 , 642300 
TBR=behdad@chromium.org

Review-Url: https://codereview.chromium.org/2316303003
Cr-Commit-Position: refs/heads/master@{#417229}

[modify] https://crrev.com/8fe11cb88b21b7e1c3a8830249ab30c72d556bd7/DEPS

Status: Fixed (was: Started)
Project Member

Comment 7 by bugdroid1@chromium.org, Sep 8 2016

Labels: merge-merged-2854
The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8fe11cb88b21b7e1c3a8830249ab30c72d556bd7

commit 8fe11cb88b21b7e1c3a8830249ab30c72d556bd7
Author: thestig <thestig@chromium.org>
Date: Thu Sep 08 09:11:00 2016

Roll DEPS for sfntly b18b09b..1ef790a

https://chromium.googlesource.com/external/github.com/googlei18n/sfntly/+log/b18b09b..1ef790a

1ef790a Add missing header from commit c9025ecc.
6917286 Merge pull request #58 from leizleiz/leizleiz-lotsofchecks
4f1aa49 Add ReadableFontData::kInvalidUnsigned.
c9025ec Add more bounds checks in WritableFontData.
dd23046 Return error values in ReadableFontData::Read*().
813efeb Add a size limit for font tables.
08652be Add a nullptr check to GlyphTable::Glyph().

BUG= 641330 , 641446 , 641460 , 642300 
TBR=behdad@chromium.org

Review-Url: https://codereview.chromium.org/2316303003
Cr-Commit-Position: refs/heads/master@{#417229}

[modify] https://crrev.com/8fe11cb88b21b7e1c3a8830249ab30c72d556bd7/DEPS

Project Member

Comment 8 by ClusterFuzz, Sep 9 2016

ClusterFuzz has detected this issue as fixed in range 417024:417277.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4907377180803072

Fuzzer: libfuzzer_sfntly_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Out-of-memory
Crash Address: 
Crash State:
  sfntly_fuzzer
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=414164:414272
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=417024:417277

Minimized Testcase (1.14 Kb): https://cluster-fuzz.appspot.com/download/AMIfv977JSZN7ZEdSSTyGwGQ6cqZMZ8Lw-BKmK6j18-FNm_TBhy9qOmxMW2GvPkMBM_xLF1t4Tw7IYsuBYixVKi7VHWpvD3VU4N_LUv4hD4aQ99HyPFsYl1up_QCWP0okf4JnLMqAqorjTAZMg23vE5SIVxld4L3Lg?testcase_id=4907377180803072

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 9 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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