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Issue metadata

Status: Duplicate
Merged: issue 798697
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Stack-overflow in CFX_XMLAttributeNode::~CFX_XMLAttributeNode

Project Member Reported by ClusterFuzz, Jan 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4607279835119616

Fuzzer: libFuzzer_pdf_xml_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffdccd48fe8
Crash State:
  CFX_XMLAttributeNode::~CFX_XMLAttributeNode
  CFX_XMLElement::~CFX_XMLElement
  CFX_XMLElement::~CFX_XMLElement
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=526580:526600

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4607279835119616

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 3 2018

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: brajkumar@chromium.org
Mergedinto: 798697
Status: Duplicate (was: Untriaged)
By comparing the stack trace of this issue it looks similar to  bug 798697 , hence merging in to it. Feel free to undupe if it's a different issue.

Thanks!
Project Member

Comment 3 by ClusterFuzz, Jan 6 2018

ClusterFuzz has detected this issue as fixed in range 527385:527421.

Detailed report: https://clusterfuzz.com/testcase?key=4607279835119616

Fuzzer: libFuzzer_pdf_xml_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffdccd48fe8
Crash State:
  CFX_XMLAttributeNode::~CFX_XMLAttributeNode
  CFX_XMLElement::~CFX_XMLElement
  CFX_XMLElement::~CFX_XMLElement
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=526580:526600
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=527385:527421

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4607279835119616

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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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