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Issue 654942 link

Starred by 1 user
Status: Duplicate
Merged: issue 644420
Owner:
rsesek@chromium.org
Closed: Oct 2016
Cc:
vakh@chromium.org
mac-bugs-priority@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Crash in safe_browsing::dmg::UDIFBlockChunkReadStream::HandleBZ2

Project Member Reported by ClusterFuzz, Oct 11 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6624242378735616

Fuzzer: libfuzzer_safe_browsing_dmg_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: UNKNOWN WRITE
Crash Address: 0x000000000000
Crash State:
  safe_browsing::dmg::UDIFBlockChunkReadStream::HandleBZ2
  safe_browsing::dmg::UDIFPartitionReadStream::Read
  safe_browsing::dmg::ReadStream::ReadExact
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_libfuzzer_chrome_asan&range=423384:423408

Minimized Testcase (8.60 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97lWrkq9Y_TqFXyvt7SgUmdAQZycUqcCZiQ9h2h_6jK9uuDfC9qOGrhNbHQQ2RmkxXJw5eGZeILF92GwaDqFioRoFf7vZMW8eYbOQJzMbTsuDUshYpgT_CHcAJtYxnRkxU_giVCbBuvCopS_IG2JHHwN3RzyQ?testcase_id=6624242378735616

Issue manually filed by: mummareddy

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

Comment 1 by mummare...@chromium.org, Oct 12 2016

Components: Services>Safebrowsing
Labels: M-56 Te-Logged
Owner: rsesek@chromium.org
Status: Assigned (was: Untriaged)
Suspected CL
https://chromium.googlesource.com/chromium/src/+/5a29d68e849e2beb122b1ade3a53527a3db04186
rsesek@, could you please take a look?

Comment 2 by rsesek@chromium.org, Oct 12 2016

Mergedinto: 644420
Status: Duplicate (was: Assigned)
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
Project Member

Comment 4 by ClusterFuzz, May 27 2017 

ClusterFuzz has detected this issue as fixed in range 474926:474952.

Detailed report: https://clusterfuzz.com/testcase?key=6624242378735616

Fuzzer: libfuzzer_safe_browsing_dmg_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000000
Crash State:
  safe_browsing::dmg::UDIFBlockChunkReadStream::HandleBZ2
  safe_browsing::dmg::UDIFPartitionReadStream::Read
  safe_browsing::dmg::ReadStream::ReadExact
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=423384:423408
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=474926:474952

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6624242378735616


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.
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