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Issue 718745 link

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Issue metadata

Status: Fixed
Owner:
Closed: May 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug


Participants' hotlists:
Hotlist-AsmJsParser


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<unreachable> in AsmJsParser::GetVarInfo (asm-parser.cc:228)

Project Member Reported by ClusterFuzz, May 5 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5393106282479616

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Fatal error
Crash Address: 
Crash State:
  NULL
Sanitizer: address (ASAN)

Regressed: V8: 45077:45078

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5393106282479616


Issue manually filed by: clemensh

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: mstarzinger@chromium.org
Status: Assigned (was: Untriaged)
Summary: <unreachable> in AsmJsParser::GetVarInfo (asm-parser.cc:228) (was: <no crash state available>)
Cool. Thanks! Will take a look.
Project Member

Comment 3 by bugdroid1@chromium.org, May 5 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/2ed278f04a329c3fb62acb67ef4b08d8cb32fafd

commit 2ed278f04a329c3fb62acb67ef4b08d8cb32fafd
Author: Michael Starzinger <mstarzinger@chromium.org>
Date: Fri May 05 12:45:53 2017

[asm.js] Fix checking of "fround" in parameter annotation.

R=clemensh@chromium.org
TEST=mjsunit/asm/regress-718745
BUG= chromium:718745 

Change-Id: I4d31e90d7a2bbb1d07ce946682a95582f63c7e27
Reviewed-on: https://chromium-review.googlesource.com/497469
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45134}
[modify] https://crrev.com/2ed278f04a329c3fb62acb67ef4b08d8cb32fafd/src/asmjs/asm-parser.cc
[add] https://crrev.com/2ed278f04a329c3fb62acb67ef4b08d8cb32fafd/test/mjsunit/asm/regress-718745.js

Status: Fixed (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, May 6 2017

ClusterFuzz has detected this issue as fixed in range 45133:45134.

Detailed report: https://clusterfuzz.com/testcase?key=5393106282479616

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Fatal error
Crash Address: 
Crash State:
  NULL
Sanitizer: address (ASAN)

Regressed: V8: 45077:45078
Fixed: V8: 45133:45134

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5393106282479616


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.

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