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Issue metadata

Status: Verified
Owner: ----
Closed: Oct 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Undefined-shift in DiyFpStrtod

Project Member Reported by ClusterFuzz, Oct 19 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5779207831683072

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  DiyFpStrtod
  parseDouble
  double WTF::toDoubleType<unsigned char,
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=410518:410604

Minimized Testcase (0.07 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97-nNu_twfHwrwPrzJP29w-L5uIDwnpePfFiAqdeh5uz9ltrS0Cb5i4iFnNpQEK2JiSUKB6mwHuFcsH8mSDAzm0FISQU9Uf1BmejkMhm8auqkbdVcP30rDGo8d1PuM_9z27202qaglkLGXQYYHrQOQI9z_XBg?testcase_id=5779207831683072
<style>
.c23:lang(ch) { text-combine-upright: digits calc(61e2 * 116e-122);


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: danakj@chromium.org
Status: Assigned (was: Untriaged)
danakj@ could you please look into this.please feel free to re-assigned back if needed. thanks in advance !

Comment 2 by danakj@chromium.org, Oct 20 2016

Owner: mmohammad@chromium.org
I'm not a WTF owner, please find an owner in the area.
Cc: tsepez@chromium.org mstarzinger@chromium.org
Owner: ----
Status: av (was: Assigned)
Status: Available (was: Av)
Cc: -mstarzinger@chromium.org
I'm not an owner of anything involved in this issue.
Project Member

Comment 6 by ClusterFuzz, Oct 23 2016

ClusterFuzz has detected this issue as fixed in range 426954:426978.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5779207831683072

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  DiyFpStrtod
  parseDouble
  double WTF::toDoubleType<unsigned char,
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=410518:410604
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=426954:426978

Minimized Testcase (0.07 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97-nNu_twfHwrwPrzJP29w-L5uIDwnpePfFiAqdeh5uz9ltrS0Cb5i4iFnNpQEK2JiSUKB6mwHuFcsH8mSDAzm0FISQU9Uf1BmejkMhm8auqkbdVcP30rDGo8d1PuM_9z27202qaglkLGXQYYHrQOQI9z_XBg?testcase_id=5779207831683072
<style>
.c23:lang(ch) { text-combine-upright: digits calc(61e2 * 116e-122);


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, Oct 23 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
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 8 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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