Suspecting:

Author: senorblanco
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/900c36779610dc65c42a5004ee3693fd70961ba4
Time: Wed Apr 27 18:31:23 2016
Lines 172 of file SkImageFilter.cpp which potentially caused crash are changed in this cl (frame #5, "SkImageFilter::~SkImageFilter").

File SkImageFilterCache.cpp is changed in this cl (and is part of stack frame #0, "CacheImpl"; frame #1, "Create"; frame #2, "operator"; frame #4, "SkImageFilterCache::Get")
Minimum distance from crash line to modified line: 0. (file: SkImageFilter.cpp, crashed on: 172, modified: 172).

@senorblanco: Could you please look into this issue.

Thank you.

I can't repro this in a 64-bit ASAN build, and my machine is currently incapable of building 32-bit Skia. I suspect this is probably a badly-handled OOM. Duping.

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ClusterFuzz has detected this issue as fixed in range 485950:486007.

Detailed report: https://clusterfuzz.com/testcase?key=6440876800999424

Fuzzer: sugoi_filter_fuzzer
Job Type: linux_asan_filter_fuzz_stub_32bit
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x00000004
Crash State:
  SkImageFilterCache::Get
  SkImageFilter::~SkImageFilter
  SkDropShadowImageFilter::~SkDropShadowImageFilter
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_filter_fuzz_stub_32bit&range=390115:390221
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_filter_fuzz_stub_32bit&range=485950:486007

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6440876800999424


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.