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Issue metadata

Status: WontFix
Owner:
Closed: Apr 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ChromeOS , Chrome
Pri: 1
Type: Bug



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Timeout in puffin_fuzzer

Project Member Reported by ClusterFuzz, Mar 2 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5422354554159104

Fuzzer: libFuzzer_puffin_fuzzer
Job Type: libfuzzer_asan_chromeos
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  puffin_fuzzer
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5422354554159104

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Mar 2 2018

Labels: OS-Linux
Cc: manojgupta@google.com
Owner: ahass...@chromium.org
Status: Assigned (was: Untriaged)
Fixing fuzzer hangs helps it overcome blockers and find new bugs.
Labels: -OS-Linux
Project Member

Comment 4 by ClusterFuzz, Mar 3 2018

Labels: OS-Chromeos
Project Member

Comment 5 by bugdroid1@chromium.org, Mar 17 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/6afb65dd05101b0db8e7ec1f6a8d56055c860624

commit 6afb65dd05101b0db8e7ec1f6a8d56055c860624
Author: Amin Hassani <ahassani@google.com>
Date: Sat Mar 17 01:31:18 2018

bsdiff: Mark as stable

Some new fuzzer problems were fixed in the bsdiff, uprev so we can test the new
changes.

The fixes were:
https://android-review.googlesource.com/c/platform/external/bsdiff/+/638404
https://android-review.googlesource.com/c/platform/external/bsdiff/+/638402
https://android-review.googlesource.com/c/platform/external/bsdiff/+/638401

TEST=unittest
BUG= chromium:820043 
BUG= chromium:819956 
BUG= chromium:818174 

Change-Id: Ifa8d0d66d82bc09b81bb71bae082406af3eb662d
Reviewed-on: https://chromium-review.googlesource.com/967008
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>

[rename] https://crrev.com/6afb65dd05101b0db8e7ec1f6a8d56055c860624/dev-util/bsdiff/bsdiff-4.3.1-r12.ebuild

I think this should've been resolved by now. I cannot reproduce it anymore.
Status: WontFix (was: Assigned)
We are not seeing the original crash, but more timeouts coming, will wait for CF to open new bugs.
Cc: -manojgupta@google.com manojgupta@chromium.org

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