New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 764106 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

Null-dereference READ in blink::TextResourceDecoder::Decode

Project Member Reported by ClusterFuzz, Sep 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5289884331016192

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000088
Crash State:
  blink::TextResourceDecoder::Decode
  blink::DecodedDataDocumentParser::AppendBytes
  blink::HTMLDocumentParser::AppendBytes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=495207:495222

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5289884331016192

Additional requirements: Requires Gestures

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Cc: msrchandra@chromium.org pnangunoori@chromium.org
Components: Blink
Labels: M-63 Test-Predator-Correct-CLs
Owner: japhet@chromium.org
Status: Assigned (was: Untriaged)
Author: Nate Chapin
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/06d0ad12bb257b7da70bef82147d4890c5d49f33
Time: Thu Aug 17 18:04:26 2017
The CL last changed line 700 of file DocumentLoader.cpp, which is stack frame 3.

@japhet  -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.

Thank You.
Components: -Blink Blink>Loader
Project Member

Comment 3 by ClusterFuzz, Sep 13 2017

ClusterFuzz has detected this issue as fixed in range 496287:501540.

Detailed report: https://clusterfuzz.com/testcase?key=5289884331016192

Fuzzer: inferno_twister
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000088
Crash State:
  blink::TextResourceDecoder::Decode
  blink::DecodedDataDocumentParser::AppendBytes
  blink::HTMLDocumentParser::AppendBytes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=495207:495222
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=496287:501540

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5289884331016192

Additional requirements: Requires Gestures

See https://github.com/google/clusterfuzz-tools 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 4 by ClusterFuzz, Sep 13 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5289884331016192 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment