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Issue metadata

Status: Verified
Owner:
Closed: Oct 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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WasmCodeFuzzerHash=bc67dc9e in wasm-code.cc

Project Member Reported by ClusterFuzz, Oct 5 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4994250901291008

Fuzzer: afl_v8_wasm_code_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  WasmCodeFuzzerHash=bc67dc9e in wasm-code.cc
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=423075:423096

Minimized Testcase (0.00 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97PRsYaEhU2aktk5Z2rqH40IltiqWEuzzIAbPKtk-fenbj-jVB3_A2YmzSjs7E8OWR2Ktm59lQgYjYrQKHgSOcpdbGH0HCfFB918p4choFu7NkEusKRm_D6w7uMkQkE7ZuwMFMFCFG6-nY9caSZJ5Kh1Jzh4A?testcase_id=4994250901291008
;;N9


Issue manually filed by: mmohammad

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Owner: ahaas@chromium.org
Status: Assigned (was: Untriaged)
suspected might be https://chromium.googlesource.com/v8/v8/+/55da769bafac8b531cd8b388df56161b8b7c6416%5E%21/test/fuzzer/wasm-code.cc

ahaas @ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

Comment 2 by ahaas@chromium.org, Oct 6 2016

Status: Started (was: Assigned)
Project Member

Comment 3 by bugdroid1@chromium.org, Oct 6 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/a03ac68c55980016bda6e651f71d3ec763b4dd4d

commit a03ac68c55980016bda6e651f71d3ec763b4dd4d
Author: ahaas <ahaas@chromium.org>
Date: Thu Oct 06 11:44:25 2016

[wasm] grow_memory(0) is the same as memory_size()

BUG= chromium:653264 
TEST=cctest/test-run-wasm-module/GrowMemoryZero
R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2389263005
Cr-Commit-Position: refs/heads/master@{#40030}

[modify] https://crrev.com/a03ac68c55980016bda6e651f71d3ec763b4dd4d/src/wasm/wasm-module.cc
[modify] https://crrev.com/a03ac68c55980016bda6e651f71d3ec763b4dd4d/test/cctest/wasm/test-run-wasm-module.cc

Project Member

Comment 4 by ClusterFuzz, Oct 8 2016

ClusterFuzz has detected this issue as fixed in range 423951:424006.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4994250901291008

Fuzzer: afl_v8_wasm_code_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  WasmCodeFuzzerHash=bc67dc9e in wasm-code.cc
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=423075:423096
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=423951:424006

Minimized Testcase (0.00 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97PRsYaEhU2aktk5Z2rqH40IltiqWEuzzIAbPKtk-fenbj-jVB3_A2YmzSjs7E8OWR2Ktm59lQgYjYrQKHgSOcpdbGH0HCfFB918p4choFu7NkEusKRm_D6w7uMkQkE7ZuwMFMFCFG6-nY9caSZJ5Kh1Jzh4A?testcase_id=4994250901291008
;;N9


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 5 by ClusterFuzz, Oct 8 2016

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

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

Comment 6 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

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