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Issue 722130 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Security



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Heap-buffer-overflow in __printf_chk

Project Member Reported by ClusterFuzz, May 14 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6312644184375296

Fuzzer: cdiehl_dharma
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Heap-buffer-overflow READ {*}
Crash Address: 0x7fe653eac800
Crash State:
  __printf_chk
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=469308:469332

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6312644184375296


Additional requirements: Requires Gestures

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, May 15 2017

Labels: Pri-2

Comment 2 by wfh@chromium.org, May 16 2017

could this be a flake, it looks like a really weird stack?

Comment 3 by kenrb@chromium.org, May 23 2017

Cc: mmoroz@chromium.org mbarbe...@chromium.org
mbarbella, mmoroz: Do either of you have any thoughts on what is going on here? I have no idea what to make of this report.
Project Member

Comment 4 by ClusterFuzz, May 24 2017

ClusterFuzz has detected this issue as fixed in range 473820:473831.

Detailed report: https://clusterfuzz.com/testcase?key=6312644184375296

Fuzzer: cdiehl_dharma
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Heap-buffer-overflow READ {*}
Crash Address: 0x7fe653eac800
Crash State:
  __printf_chk
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=466203:466237
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=473820:473831

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6312644184375296


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.

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

Cc: kenrb@chromium.org
Ken, it does really look flaky, and now ClusterFuzz decided that it's fixed, so nothing to do here :)
Project Member

Comment 6 by ClusterFuzz, May 24 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6312644184375296 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 7 by sheriffbot@chromium.org, May 24 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -reward-topanel reward-0
Project Member

Comment 9 by sheriffbot@chromium.org, Aug 30 2017

Labels: -Restrict-View-SecurityNotify 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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