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Issue metadata

Status: Verified
Owner:
Closed: Jan 8
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Direct-leak in dawn_wire::server::Server::HandleBufferMapAsync

Project Member Reported by ClusterFuzz, Jan 5

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5104134981943296

Fuzzer: libFuzzer_dawn_wire_server_and_frontend_fuzzer
Fuzz target binary: dawn_wire_server_and_frontend_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  dawn_wire::server::Server::HandleBufferMapAsync
  dawn_wire::server::Server::HandleCommands
  DawnWireServerAndFrontendFuzzer.cpp
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=619984:619987

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5104134981943296

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Jan 5

Cc: kainino@chromium.org cwallez@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Cc: -cwallez@chromium.org kkaluri@chromium.org
Labels: M-73 Test-Predator-Wrong
Owner: cwallez@chromium.org
Status: Assigned (was: Untriaged)
Using the provided regression range : 
https://chromium.googlesource.com/chromium/src/+log/a4bb437181ca96ba08d760d8c4de4c773b2595ab..fba8e1c09a862ad8ff8e2a021e7de3e1460d2902?pretty=fuller&n=10000


Assigning it to cwallez@ because of his recent work in https://dawn.googlesource.com/dawn.git/+log/93158ebede89..110bc7918fc2
Project Member

Comment 3 by ClusterFuzz, Jan 8

ClusterFuzz has detected this issue as fixed in range 620475:620478.

Detailed report: https://clusterfuzz.com/testcase?key=5104134981943296

Fuzzer: libFuzzer_dawn_wire_server_and_frontend_fuzzer
Fuzz target binary: dawn_wire_server_and_frontend_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  dawn_wire::server::Server::HandleBufferMapAsync
  dawn_wire::server::Server::HandleCommands
  DawnWireServerAndFrontendFuzzer.cpp
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=619984:619987
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=620475:620478

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5104134981943296

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

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, Jan 8

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5104134981943296 is verified as fixed, so closing issue as verified.

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

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