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Issue 678843 link

Starred by 4 users

Issue metadata

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



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Crash in base::debug::DebugBreak

Project Member Reported by ClusterFuzz, Jan 6 2017

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6043452971417600

Fuzzer: libfuzzer_gpu_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e90000510c
Crash State:
  base::debug::DebugBreak
  gpu::gles2::QueryManager::Query::MarkAsActive
  gpu::gles2::TimeStampQuery::QueryCounter
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=428837:429212

Minimized Testcase (0.19 Kb): https://cluster-fuzz.appspot.com/download/AMIfv957LA5qg2Acbz1Xf08Z9TXVwvE4jkcn1yK26cqwey2bP1ooRz5ivHmWgJVmTCKXIk4OphAYxtvU1KpQcXUBtmQrYn5wk7SV5EspAimcamUYn7VI1QMvjiLC_neaMQ51rbn-7JpMSW5hKANEjfVYP44D5vC_yg?testcase_id=6043452971417600

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: kbr@chromium.org
Components: Internals>GPU
Labels: Test-Predator-Wrong M-56

Comment 2 by kbr@chromium.org, Jan 6 2017

Labels: Needs-Feedback
Status: Unconfirmed (was: Untriaged)
The test case appears to be corrupt. It downloads as "fuzz-2-gpu_fuzzer" and is a binary file. Could you please look into this?

Owner: mummare...@chromium.org
Assigning an owner to hopefully answer question on comment#2.
Cc: mummare...@chromium.org infe...@chromium.org
Owner: ----
+ Abhishek for further inputs on c#2.

Thank you!
Project Member

Comment 5 by ClusterFuzz, Mar 8 2017

ClusterFuzz has detected this issue as fixed in range 455091:455226.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6043452971417600

Fuzzer: libfuzzer_gpu_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e900001336
Crash State:
  base::debug::DebugBreak
  gpu::gles2::QueryManager::Query::MarkAsActive
  gpu::gles2::TimeStampQuery::QueryCounter
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=428837:429212
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan_debug&range=455091:455226

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95kfnKwyYeJ8-_pk4n0VJndcy_C43_wUmAWEWNnm2eKALfDF2ogZWIPc_MLHKiFIgo_LDIl-CnOfTYxKTOCuhGgnbL5tFVtFHe5GOyzMN18QkFsrkukmCw_xTwgFcdgbbL2xMnI8LI6p7fLjcTDgMbU-HVOvGHFr5uCPrVnMbXPQ9vhiior_vqxb55Xo57garApiyLnHC3rYY6gXGGabnMyG0SrNiWE28A06kBOyiaw7QGR0DDT2dBCwtGd3Ds1nENA0UvLEqHFhOCAKd8ktEXwgv9o1KEUlxu4VgDYQ-0bFT2A-oj32W6FvV0FnqPrdyFcKoIa49jiplzE75sh9aajDrdOZMr_-v-76SSHLDZFFTC6Xnw?testcase_id=6043452971417600


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 6 by sheriffbot@chromium.org, Mar 8 2017

Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "kbr@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 7 by ClusterFuzz, Mar 8 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Unconfirmed)
ClusterFuzz testcase 6043452971417600 is verified as fixed, so closing issue.

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

Comment 8 by aarya@google.com, Apr 21 2017

Cc: jaslack@google.com

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