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Issue 799901 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Dec 1
Cc:
█ brajkumar@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Stack-overflow in xmlFreeDocElementContent

Project Member Reported by ClusterFuzz, Jan 8 2018 
Detailed report: https://clusterfuzz.com/testcase?key=5166627653156864

Fuzzer: libFuzzer_libxml_xml_read_memory_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffdbe533fb8
Crash State:
  xmlFreeDocElementContent
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=395614:395804

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5166627653156864

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 8 2018

Components: Blink>XML
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.

Comment 2 by brajkumar@chromium.org, Jan 9 2018

Cc: brajkumar@chromium.org joelhockey@chromium.org scottmg@chromium.org
Labels: M-64 Test-Predator-Wrong CF-NeedsTriage
Unable to find actual suspect through code search and also from the provided CL, hence marking it as untriaged.

Note: Observing some recent changes for the below file 'valid.c', so cc'ing to @joelhockey and @scottmg for more updates on this issue.

https://chromium.googlesource.com/chromium/src/+/1932201570802d524f80c5055644bfaac65a5a86
https://chromium.googlesource.com/chromium/src/+/75915266f693b8a7bc8c16ba66ddd91ce8b62495

Thanks!

Comment 3 by schenney@chromium.org, Apr 12 2018

Cc: -joelhockey@chromium.org -scottmg@chromium.org
Labels: -Pri-1 -M-64 -CF-NeedsTriage Pri-2
Status: Available (was: Untriaged)
Stack overflow not a P1.
Project Member

Comment 4 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5166627653156864 appears to be flaky, updating reproducibility label.
Project Member

Comment 5 by ClusterFuzz, Dec 1

Status: WontFix (was: Available)
ClusterFuzz testcase 5166627653156864 is flaky and no longer crashes, so closing issue.

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