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Issue 801869 link

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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Abrt in sk_abort_no_print

Project Member Reported by ClusterFuzz, Jan 14 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4995398715572224

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900003e8a
Crash State:
  sk_abort_no_print
  SkRegion::validate
  SkRegion::validate
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=528691:528704

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4995398715572224

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 14 2018

Components: Internals>Skia
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jan 14 2018

Labels: Test-Predator-Auto-Owner
Owner: reed@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://skia.googlesource.com/skia/+/a766ca9af12e1175cfb01f4b516802da9197ba78 (use 64bit math to compute is a rect is empty).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by bugdroid1@chromium.org, Jan 16 2018

The following revision refers to this bug:
  https://skia.googlesource.com/skia/+/0ec7dc7a1bd5e9643c96c60b0d148c80c728fdae

commit 0ec7dc7a1bd5e9643c96c60b0d148c80c728fdae
Author: Mike Reed <reed@google.com>
Date: Tue Jan 16 20:41:14 2018

detect if the computed rgn bounds is too big

Bug:801869
Change-Id: I7380bfb86aedc719cf67e20e918ef39d1b143aee
Reviewed-on: https://skia-review.googlesource.com/95020
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>

[modify] https://crrev.com/0ec7dc7a1bd5e9643c96c60b0d148c80c728fdae/src/core/SkRegion.cpp
[modify] https://crrev.com/0ec7dc7a1bd5e9643c96c60b0d148c80c728fdae/tests/RegionTest.cpp

Project Member

Comment 4 by ClusterFuzz, Jan 18 2018

ClusterFuzz has detected this issue as fixed in range 529706:529718.

Detailed report: https://clusterfuzz.com/testcase?key=4995398715572224

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900003e8a
Crash State:
  sk_abort_no_print
  SkRegion::validate
  SkRegion::validate
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=528691:528704
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=529706:529718

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4995398715572224

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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, Jan 18 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4995398715572224 is verified as fixed, so closing issue as verified.

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

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