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Issue metadata

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



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Crash in v8::internal::wasm::BuildFunctionTable

Project Member Reported by ClusterFuzz, Sep 28 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5272086430089216

Fuzzer: afl_v8_wasm_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::wasm::BuildFunctionTable
  v8::internal::wasm::WasmModule::CompileFunctions
  v8::internal::wasm::CreateModuleObjectFromBytes
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=421457:421501

Minimized Testcase (0.12 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95dPP2M6s-fxqsL12vnlIBedNNPR2gCpw3q2mP1zB4u0qy1ZZfRdr4hxwq0A6SvJmd6GvTOOj6lK9aP0pS3v-yPLlY7IChFY2NZwHcI3I7TE7eZk7V5hKuOJOl4V0xoAuM32YhD1f0hvzPrg315ciMvYsZn2g?testcase_id=5272086430089216

Issue manually filed by: mummareddy

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Blink>JavaScript
Labels: M-55 Te-Logged
Cc: bradnelson@chromium.org ahaas@chromium.org
Owner: titzer@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Oct 21 2016

ClusterFuzz has detected this issue as fixed in range 426487:426550.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5272086430089216

Fuzzer: afl_v8_wasm_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::wasm::BuildFunctionTable
  v8::internal::wasm::WasmModule::CompileFunctions
  v8::internal::wasm::CreateModuleObjectFromBytes
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=421457:421501
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=426487:426550

Minimized Testcase (0.12 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95dPP2M6s-fxqsL12vnlIBedNNPR2gCpw3q2mP1zB4u0qy1ZZfRdr4hxwq0A6SvJmd6GvTOOj6lK9aP0pS3v-yPLlY7IChFY2NZwHcI3I7TE7eZk7V5hKuOJOl4V0xoAuM32YhD1f0hvzPrg315ciMvYsZn2g?testcase_id=5272086430089216

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 21 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
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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