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Issue metadata

Status: Verified
Owner:
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Crash in webrtc::rtcp::DecodeSymbol

Project Member Reported by ClusterFuzz, Jul 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6107024201089024

Fuzzer: libfuzzer_rtcp_receiver_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e90000051d
Crash State:
  webrtc::rtcp::DecodeSymbol
  webrtc::rtcp::RunLengthChunk::ParseFrom
  webrtc::rtcp::TransportFeedback::ParseChunk
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408389:408457

Minimized Testcase (0.38 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95eJe1FNFQZEwqxvEDaaDlTXuqJ5A642-GsF-6t9jk48ELpSZQ4Dz4mUz_ns1RTev-w8V3OgYulAP-Rf3vGcVhZC2uM2E1IqsTO5EMWqxNZYoRZT2ewXPkyaMyOSqPXy-UyWVMqaUkOgmxhlL1olAU9PKuk7A?testcase_id=6107024201089024

Filer: rnimmagadda

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Tools>Test>FindIt>CorrectResult
Labels: -Pri-1 -Type-Bug M-54 Findit-for-crash Te-Logged Pri-2 Type-Bug-Regression
Owner: sprang@chromium.org
Status: Assigned (was: Untriaged)
Suspecting:

Author: Erik Språng
Project: chromium-webrtc
Changelist: https://chromium.googlesource.com/external/webrtc/trunk/webrtc.git/+/9694f1b99715753f47f36ab366aa971cc7558b34
Time: Wed Jul 29 08:46:54 2015
The CL last changed line 70 of file transport_feedback.cc, which is stack frame 1.

@sprang: Could you please look into this issue.

Thank you.
Project Member

Comment 2 by ClusterFuzz, Aug 1 2016

ClusterFuzz has detected this issue as fixed in range 408588:408608.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6107024201089024

Fuzzer: libfuzzer_rtcp_receiver_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x03e90000051d
Crash State:
  webrtc::rtcp::DecodeSymbol
  webrtc::rtcp::RunLengthChunk::ParseFrom
  webrtc::rtcp::TransportFeedback::ParseChunk
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408389:408457
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=408588:408608

Minimized Testcase (0.38 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95eJe1FNFQZEwqxvEDaaDlTXuqJ5A642-GsF-6t9jk48ELpSZQ4Dz4mUz_ns1RTev-w8V3OgYulAP-Rf3vGcVhZC2uM2E1IqsTO5EMWqxNZYoRZT2ewXPkyaMyOSqPXy-UyWVMqaUkOgmxhlL1olAU9PKuk7A?testcase_id=6107024201089024

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 3 by ClusterFuzz, Aug 1 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
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 4 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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