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Issue 644661 link

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Issue metadata

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



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Integer-overflow in cmp

Project Member Reported by ClusterFuzz, Sep 7 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6218292266270720

Fuzzer: libfuzzer_harfbuzz_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  cmp
  bsearch<unsigned
  get_coverage
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=395640:395746

Minimized Testcase (0.63 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95jVUFttQiZjFbL9YWDi59vRLOH86aN_4EyJV2zMvjPMFvuLu5HFcRPHMIsZWMbZ0Fdjl7s_Y-LaDCb-IkU1AcZSKSjghrptxe51vMypmVg9pVqO0cyklCMp1QvkRbd0WcN6ZHQDp5sZbDEn5JNOjrycHo5jg?testcase_id=6218292266270720

Additional requirements: Requires Gestures

Issue manually filed by: mmoroz

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: drott@chromium.org kcc@chromium.org aizatsky@chromium.org mmoroz@chromium.org
Components: Blink>Fonts
Owner: behdad@chromium.org

Comment 2 by e...@chromium.org, Sep 8 2016

Labels: -Pri-1 Pri-2
Not a security issue. 

Comment 3 by e...@chromium.org, Sep 15 2016

Status: Available (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Oct 6 2016

ClusterFuzz has detected this issue as fixed in range 423338:423416.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6218292266270720

Fuzzer: libfuzzer_harfbuzz_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  cmp
  bsearch<unsigned
  get_coverage
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=395640:395746
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=423338:423416

Minimized Testcase (0.63 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95jVUFttQiZjFbL9YWDi59vRLOH86aN_4EyJV2zMvjPMFvuLu5HFcRPHMIsZWMbZ0Fdjl7s_Y-LaDCb-IkU1AcZSKSjghrptxe51vMypmVg9pVqO0cyklCMp1QvkRbd0WcN6ZHQDp5sZbDEn5JNOjrycHo5jg?testcase_id=6218292266270720

Additional requirements: Requires Gestures

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 5 by ClusterFuzz, Oct 6 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 6 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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