[llvm-bugs] Issue 19866 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: !IsScalable && "Request for a fixed size on a scalable object"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-01-07
Type: Bug

New issue 19866 by ClusterFuzz-External:  
llvm:llvm-opt-fuzzer--x86_64-instcombine: ASSERT: !IsScalable && "Request  
for a fixed size on a scalable object"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19866

Detailed Report: https://oss-fuzz.com/testcase?key=5705451346067456

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-instcombine
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   !IsScalable && "Request for a fixed size on a scalable object"
   llvm::FindAvailablePtrLoadStore
   llvm::FindAvailableLoadedValue

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201912130427:201912200437

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5705451346067456

Issue filed automatically.

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