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Issue 643580 link

Starred by 1 user
Status: Assigned
Owner:
kwiberg@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Integer-overflow in WebRtcSpl_CrossCorrelationC

Project Member Reported by ClusterFuzz, Sep 2 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4764363271700480

Fuzzer: libfuzzer_audio_decoder_ilbc_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  WebRtcSpl_CrossCorrelationC
  WebRtcIlbcfix_EnhancerInterface
  WebRtcIlbcfix_DecodeImpl
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=396407:396452

Minimized Testcase (0.25 Kb): https://cluster-fuzz.appspot.com/download/AMIfv940O3kcmHc9CFVDxU4maFf7YAW1jQv3II2EDsrQpc01Q19GqNtebs0FI2Le-fs2_hOdV40VuL9WKSC19BHpaye_DaUdzM5ZEkpJTYfXHMiGge6WYjxh8lsIJ7KhuvZ-tZGoPA5OxPWFbrwjXIOIOrcF9ngBnw?testcase_id=4764363271700480

Issue manually filed by: msrchandra

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

Comment 1 by msrchandra@chromium.org, Sep 2 2016

Components: Blink>WebRTC Tools>Test>FindIt>CorrectResult
Labels: -Type-Bug Findit-for-crash Te-Logged Type-Bug-Regression
Owner: kwiberg@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner using find it. Below are the resources,
Suspected CLs	The result is a list of CLs that change the crashed files.

Author: kwiberg
Project: chromium-webrtc
Changelist: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+/aeadeccda87cab07676143722ed95547c8c8d229
Time: Mon May 23 10:28:28 2016
File decode.c is changed in this cl (and is part of stack frame #2, "WebRtcIlbcfix_DecodeImpl")
Minimum distance from crash line to modified line: 21. (file: decode.c, crashed on: 164, modified: 185).

Suspected Project: chromium-webrtc
Suspected Component: Blink>Webrtc

@kwiberg -- Could you please look into the issue. Pardon me if it has nothing to do with your changes.
Thank You.

Comment 2 by kwiberg@chromium.org, Sep 7 2016

Labels: -Pri-1 -Type-Bug-Regression Pri-3 Type-Bug
Lowering prio to 3, since iLBC is only used in tests.
Project Member

Comment 3 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

Comment 4 by kwiberg@chromium.org, Apr 3 2017

Status: Available (was: Assigned)

Comment 5 by mmoroz@chromium.org, Oct 24 2017 

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.

(bulk edit)

Comment 6 by benhenry@chromium.org, Aug 1

Status: Assigned (was: Available)
►

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