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Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutBlock::dirtyForLayoutFromPercentageHeightDescendants

Project Member Reported by ClusterFuzz, Apr 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4579055522545664

Fuzzer: bj_broddelwerk
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x6130000951c0
Crash State:
  blink::LayoutBlock::dirtyForLayoutFromPercentageHeightDescendants
  blink::LayoutBlockFlow::layoutBlockChildren
  blink::LayoutBlockFlow::layoutChildren
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=456626:457730

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95_RWY68ZSqqW4bralt_qwcfYodx-ggBZZAP246rzHyoSiFztMR66KQEIZjMMUSbQ95ikmBkWV33u6coD0tGoxJ7WKHFWWZkVqvkUeN8tX2amr63c3JagR3-8iYKnotJthS4l4a_RRRWHITKTMPHaVAZSmZNDqAhJfIIIh14u6zq8-_AHAr7uRaCaevUZ9hPD7ENXYZkCVZQAlAcBT9qyVQI9enfxBi-_rvBNtZSDVplxHM1VhsS6TKHrPEjfd-PTeXZ4_4j6Hyde-sK3T52JD6I_SIW2wFPTFlK1NLQuf6IRsFxXdgw4g0BVAPZ_otlV5pEfhjdt7c5m6aR4mo4WARLgr_prshlzfChCme_6ytCqylkzkGS5QH23bU2cVb_3lsKTm4-CPPUuDH9mzCFw6HJr5HBA?testcase_id=4579055522545664


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 9 2017

ClusterFuzz has detected this issue as fixed in range 458746:463137.

Detailed report: https://clusterfuzz.com/testcase?key=4579055522545664

Fuzzer: bj_broddelwerk
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x6130000951c0
Crash State:
  blink::LayoutBlock::dirtyForLayoutFromPercentageHeightDescendants
  blink::LayoutBlockFlow::layoutBlockChildren
  blink::LayoutBlockFlow::layoutChildren
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=456626:457730
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=458746:463137

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv95_RWY68ZSqqW4bralt_qwcfYodx-ggBZZAP246rzHyoSiFztMR66KQEIZjMMUSbQ95ikmBkWV33u6coD0tGoxJ7WKHFWWZkVqvkUeN8tX2amr63c3JagR3-8iYKnotJthS4l4a_RRRWHITKTMPHaVAZSmZNDqAhJfIIIh14u6zq8-_AHAr7uRaCaevUZ9hPD7ENXYZkCVZQAlAcBT9qyVQI9enfxBi-_rvBNtZSDVplxHM1VhsS6TKHrPEjfd-PTeXZ4_4j6Hyde-sK3T52JD6I_SIW2wFPTFlK1NLQuf6IRsFxXdgw4g0BVAPZ_otlV5pEfhjdt7c5m6aR4mo4WARLgr_prshlzfChCme_6ytCqylkzkGS5QH23bU2cVb_3lsKTm4-CPPUuDH9mzCFw6HJr5HBA?testcase_id=4579055522545664


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.
Project Member

Comment 2 by ClusterFuzz, Apr 9 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4579055522545664 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 3 by sheriffbot@chromium.org, Apr 9 2017

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

Comment 4 by sheriffbot@chromium.org, Jul 16 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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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