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Issue metadata

Status: WontFix
Owner: ----
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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Heap-buffer-overflow in _get_bitmap_surface

Project Member Reported by ClusterFuzz, Feb 15 2017

Issue description

Comment 1 by och...@chromium.org, Feb 16 2017

Status: WontFix (was: Untriaged)
We've seen this a couple of times -- looks like a crash in a system lib that's usually pretty flaky.
Project Member

Comment 2 by sheriffbot@chromium.org, Feb 16 2017

Labels: -reward-topanel reward-ineligible
Project Member

Comment 3 by ClusterFuzz, Feb 18 2017

ClusterFuzz has detected this issue as fixed in range 451144:451230.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6500410023215104

Fuzzer: attekett_surku_fuzzer
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x60300094d24c
Crash State:
  _get_bitmap_surface
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=388749:389333
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=451144:451230

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97mhYgt3wJY8TjA-kcGGM5rcJWmVX_Yf1eNo15x8MF5YCyFTfvjtB97_U4odrtt7tPH9X_WXo9qQJMhKnw26QaZkClnKYXEKRmnfp-kbrZdoZV1HK6sdIOQMqnW8hgzbUBhCqV77zcn6hl2Q0SBlDs0TT4QwN5dScaRyMx-u4pD327kClFytsZfMQBtXA5Ye_e103klFntzi5YQp55HHxdyq0bAmqH_dM3VOkdp53lZwfmWLIHU14EoLlNQ-JsS9ktwfn3CWshK_TIDYdon6Ly4bdMy-to5miy2q5b7uZt_7CFoQAszT76BLGHHx__NfSsAy0vylU74IGZie81Kr_qxuJ0MGuzfrs91KPMXvo2_533REW9fTrGsgXfmxyyMS8tJO7-oUzuV6CFJeh2pon5PeYjfWQ?testcase_id=6500410023215104


Additional requirements: Requires Gestures

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 4 by sheriffbot@chromium.org, May 25 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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