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Issue 675404 link

Starred by 3 users

Issue metadata

Status: Verified
Owner:
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in walk_convex_edges

Project Member Reported by ClusterFuzz, Dec 17 2016

Issue description

Components: Internals>Skia

Comment 2 by hcm@chromium.org, Jan 17 2017

Cc: hcm@chromium.org caryclark@google.com
Owner: reed@google.com
I have dreams about this crash- it comes and goes..perhaps this time it will repro, Mozilla just ran into it as well.

Comment 3 by hcm@google.com, Jan 17 2017

Cc: hcm@google.com
 Issue skia:6123  has been merged into this issue.
Status: Assigned (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Jan 18 2017

ClusterFuzz has detected this issue as fixed in range 443963:443986.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4796262970032128

Fuzzer: afl_skia_path_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000018
Crash State:
  walk_convex_edges
  sk_fill_path
  SkScan::FillPath
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=419709:419768
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=443963:443986

Minimized Testcase (0.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv956DhyLsivYaMd-ILLscAiLPfwT0wRSxKL_w5WUP98a_CX-W4Tjp6LlXY-V4c1VPkUAjA4zCYR5zMH0P6GpHZImP6-b-t_QYejWU57mnXSpEHbNiRbcN01mPOOHzWukdz6UtvAXlb5hteWJxvrDHwifayvthw?testcase_id=4796262970032128

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 6 by ClusterFuzz, Jan 18 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4796262970032128 is verified as fixed, so closing issue.

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

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