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Issue 688159 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Feb 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug

Blocked on:
issue v8:5848



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V8 correctness failure in configs: x64,ignition:ia32,ignition

Project Member Reported by ClusterFuzz, Feb 2 2017

Issue description

Cc: bmeu...@chromium.org jarin@chromium.org mstarzinger@chromium.org
Labels: -Pri-1 Pri-2
Status: Available (was: Untriaged)
// x64/ia32 precision problem. Repro:

print(4294967295 ** 1.1)

// Output:

# Compared x64,ignition with ia32,ignition
#
# Flags of x64,ignition:
--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 1234 --ignition --turbo-filter=~ --hydrogen-filter=~ --validate-asm --nocrankshaft
# Flags of ia32,ignition:
--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 1234 --ignition --turbo-filter=~ --hydrogen-filter=~ --validate-asm --nocrankshaft
#
# Difference:
- 39468974931.341644
+ 39468974931.34164
#
# Source file:
none
#
### Start of configuration x64,ignition:
39468974931.341644

### End of configuration x64,ignition
#
### Start of configuration ia32,ignition:
39468974931.34164

### End of configuration ia32,ignition

Blockedon: v8:5848
The exponentiation operation is actually constant folded by the parser. Most likely this is pure dupe of issue v8:5848.
 Issue 689362  has been merged into this issue.
Project Member

Comment 4 by bugdroid1@chromium.org, Feb 9 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/d128338d231713d80ded009a1d90264870dbbeec

commit d128338d231713d80ded009a1d90264870dbbeec
Author: Michael Achenbach <machenbach@chromium.org>
Date: Thu Feb 09 08:33:16 2017

[foozzie] Suppress  crbug.com/688159 

BUG= chromium:688159 
NOTRY=true
TBR=bmeurer@chromium.org,mstarzinger@chromium.org

Change-Id: I9b5c0c531af31534a0dd33e078a148b822834448
Reviewed-on: https://chromium-review.googlesource.com/439184
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43053}
[modify] https://crrev.com/d128338d231713d80ded009a1d90264870dbbeec/tools/foozzie/v8_suppressions.py

Project Member

Comment 5 by ClusterFuzz, Feb 10 2017

ClusterFuzz has detected this issue as fixed in range 43052:43053.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6224859081474048

Fuzzer: foozzie_js_mutation
Job Type: foozzie_ignition_x64_ia32
Platform Id: linux

Crash Type: V8 correctness failure
Crash Address: 
Crash State:
  configs: x64,ignition:ia32,ignition
  sources: fb9
  
Sanitizer: address (ASAN)

Fixed: V8: 43052:43053

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97RDHjLkjSs5a890yigwDYujk-yISvA_In0jmaawAgRAarrx9ESTfHgeNBSpgUTDQyI-d378GB7hDwacd6QcwDUR1gZHr_IC-N-AY2gr1VF_ILdDSWdJvsxI9PGs58bWF5wjW1dYi46uA0ZNeWHftmj_ulZs_goxAozPop9uVk0j5uqUVUXwo4GEb7KE3RqfHruT3v0jk_QNwFxLS5ckhZyg-t-aTpt1e6F2LOYq7lFIOrvFN2_UbewWNoPE-kc3wDsdUiG1YELVVwhh8dgXzzOvHSc9FYVg6ULCF1U-yAbFBX5eYxaXQpBVXmI-O3CSsyHT1mnfDSW2kyJZrKJnq18Am_aBqEGs9TX24G2nQPia4MB8hQ?testcase_id=6224859081474048


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, Feb 10 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6224859081474048 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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