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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-buffer-overflow in copyFTBitmap

Project Member Reported by ClusterFuzz, Feb 28 2017

Issue description

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Comment 1 by sheriffbot@chromium.org, Feb 28 2017

Labels: M-58
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Comment 2 by sheriffbot@chromium.org, Feb 28 2017

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Comment 3 by sheriffbot@chromium.org, Feb 28 2017

Labels: Pri-1

Comment 4 by vakh@chromium.org, Feb 28 2017

Cc: bsalomon@chromium.org
Components: Internals>Skia
Owner: msarett@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Mar 2 2017

ClusterFuzz has detected this issue as fixed in range 453894:453925.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4735213143064576

Fuzzer: ochang_search_index_mutator
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 1
Crash Address: 0x619000040580
Crash State:
  copyFTBitmap
  SkScalerContext_FreeType_Base::generateGlyphImage
  SkScalerContext_FreeType::generateImage
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_media&range=453196:453213
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_media&range=453894:453925

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97eO6dtbuMHo4c6JRQ-5AFgW6U09baDNToLl3cSNM0DZ7wH9UZ16PmPfZIV6prjKsBU-aNOGDZfSWUwIAVPiL_MaWurTZoWaOkwqWdj5PbQFdl8fPrQfGhkbz_j2MRby00-SCWyrIV6XElrEnoiAIB-mlFRvpxHgNDHiDTdBL7cnw9BOJuo0meazkLYK6lcOKpVrte08G-sg8H1FaeE_ltdb75x2HwTT-DUFh2716xtM34Xc4G5xks3AGDcVIZxMYQL_Oew04oGvGcD4BSeCa1TkqzQfvmVW03heqiR0SJ_k4O9qv8F4bk-oQWiau9rUe2B2QtXSoaXf9p4AMj18StOM_0ysXR3qFhbJ_IT_vvW1Esd-PU?testcase_id=4735213143064576


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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Comment 6 by ClusterFuzz, Mar 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4735213143064576 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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Comment 7 by sheriffbot@chromium.org, Mar 2 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Beta
Project Member

Comment 9 by sheriffbot@chromium.org, Jun 8 2017

Labels: -Restrict-View-SecurityNotify allpublic
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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