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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Dec 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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var->is_function() in asm-wasm-builder.cc

Project Member Reported by ClusterFuzz, Dec 12 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5687337351905280

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  type != AsmType::None() in asm-wasm-builder.cc
  
Regressed: V8: r41514:41515

Minimized Testcase (5.19 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97LMAnCjfC-s9pqEG0587Jg7Jyy4ts2sGKtwpA57oat5_o1lYmytzJAUy9ZVXJAZ8bGbXenEP8mj7xUTh7BxzI7BK6JojzycQn3kJmnjX6zE_tsGt0jyhSzCAaOnQRcOwwaf2695WW3JDb7RtyMX2Mc2LI9Uw?testcase_id=5687337351905280

Issue manually filed by: ishell

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Dec 12 2016

Summary: var->is_function() in asm-wasm-builder.cc (was: type != AsmType::None() in asm-wasm-builder.cc)
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5625762385494016

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  var->is_function() in asm-wasm-builder.cc
  
Regressed: V8: r41514:41515

Minimized Testcase (8.75 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94_uN774cuSlAoDp1CfA8ibSXko3XIERgCjh_t5ACMcE3WDqA7b3G1jQOKehgbcwhGS01IQF-Jtu2CunChAOTwHfs_io3vRJCdhJiMCSEYHkYbsHTOOYuYBXMidPtp5gKAr4eofTlcgoc53GQtUiBFvAwuBDw?testcase_id=5625762385494016

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 2 by ishell@chromium.org, Dec 12 2016

Cc: titzer@chromium.org ahaas@chromium.org
Owner: bradnelson@chromium.org
Status: Assigned (was: Untriaged)
CF points to 3e8a67e5406be46e971908d69af93bf92b6ff980
Fix for first issue:
https://codereview.chromium.org/2568773002/

Project Member

Comment 5 by ClusterFuzz, Dec 13 2016

ClusterFuzz has detected this issue as fixed in range 41642:41643.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5687337351905280

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  type != AsmType::None() in asm-wasm-builder.cc
  
Regressed: V8: r41514:41515
Fixed: V8: r41642:41643

Minimized Testcase (5.19 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97LMAnCjfC-s9pqEG0587Jg7Jyy4ts2sGKtwpA57oat5_o1lYmytzJAUy9ZVXJAZ8bGbXenEP8mj7xUTh7BxzI7BK6JojzycQn3kJmnjX6zE_tsGt0jyhSzCAaOnQRcOwwaf2695WW3JDb7RtyMX2Mc2LI9Uw?testcase_id=5687337351905280

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 ClusterFuzz, Dec 13 2016

ClusterFuzz has detected this issue as fixed in range 41637:41638.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5625762385494016

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  var->is_function() in asm-wasm-builder.cc
  
Regressed: V8: r41514:41515
Fixed: V8: r41637:41638

Minimized Testcase (8.75 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94_uN774cuSlAoDp1CfA8ibSXko3XIERgCjh_t5ACMcE3WDqA7b3G1jQOKehgbcwhGS01IQF-Jtu2CunChAOTwHfs_io3vRJCdhJiMCSEYHkYbsHTOOYuYBXMidPtp5gKAr4eofTlcgoc53GQtUiBFvAwuBDw?testcase_id=5625762385494016

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 7 by ClusterFuzz, Dec 13 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5625762385494016 is verified as fixed, so closing issue.

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

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