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Issue 680313 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in v8::internal::Scope::is_function_scope

Project Member Reported by ClusterFuzz, Jan 11 2017

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5756337842814976

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x625000043990
Crash State:
  v8::internal::Scope::is_function_scope
  v8::internal::Scope::MaxNestedContextChainLength
  v8::internal::interpreter::BytecodeGenerator::BytecodeGenerator
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: V8: r42243:42244

Minimized Testcase (6.19 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96I5jkjLK34yRumSkuQV5xWeGswGVSyl5G755vbFLufwsRUebIG1yYWi3Imq7aAgahtRRxrfjTqto5LbVKMc8HQdYEvy4J_cJI4I0TWGbprGK1scmWLFEM9YvDZMqWkULlbDgeI99RMtLkipoZtCIm36XojOlqgqZL9e5Pfj2gFsaIDtRDNEn_z2fl2JpjoZEVRxELSaLBBE62HVCHBKa-c32QG1wasASxrfJIO-jl3Sl6WvJebbnJ1ZIiTyhWw54-IUKm85DLoPyz3Srb1WIztXGfFCc4Ti2zC6Z0o1y5nPUg8DQMWinCab9xIu-8RjNBVoceW2013fr0DnPna5XDk7REQPN2CIFlZlZJ9eW99cKjhNQ_aZRg7mJ5OCM0aV1snJxIAaMHogR9vAHW6Fh5ahxy5hQ?testcase_id=5756337842814976

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 12 2017

ClusterFuzz has detected this issue as fixed in range 42252:42253.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5756337842814976

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x625000043990
Crash State:
  v8::internal::Scope::is_function_scope
  v8::internal::Scope::MaxNestedContextChainLength
  v8::internal::interpreter::BytecodeGenerator::BytecodeGenerator
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: V8: r42243:42244
Fixed: V8: r42252:42253

Minimized Testcase (6.19 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96I5jkjLK34yRumSkuQV5xWeGswGVSyl5G755vbFLufwsRUebIG1yYWi3Imq7aAgahtRRxrfjTqto5LbVKMc8HQdYEvy4J_cJI4I0TWGbprGK1scmWLFEM9YvDZMqWkULlbDgeI99RMtLkipoZtCIm36XojOlqgqZL9e5Pfj2gFsaIDtRDNEn_z2fl2JpjoZEVRxELSaLBBE62HVCHBKa-c32QG1wasASxrfJIO-jl3Sl6WvJebbnJ1ZIiTyhWw54-IUKm85DLoPyz3Srb1WIztXGfFCc4Ti2zC6Z0o1y5nPUg8DQMWinCab9xIu-8RjNBVoceW2013fr0DnPna5XDk7REQPN2CIFlZlZJ9eW99cKjhNQ_aZRg7mJ5OCM0aV1snJxIAaMHogR9vAHW6Fh5ahxy5hQ?testcase_id=5756337842814976

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, Jan 12 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5756337842814976 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, Jan 12 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -reward-topanel reward-0
Project Member

Comment 5 by sheriffbot@chromium.org, Apr 20 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 6 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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