[llvm-bugs] Issue 7307 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_rotate: ASSERT: Amt->getType()->isIntegerTy() && "Allocation array size is not an integer!"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-04-02
Type: Bug

New issue 7307 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_rotate: ASSERT:  
Amt->getType()->isIntegerTy() && "Allocation array size is not an integer!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7307

Detailed report: https://oss-fuzz.com/testcase?key=5457660892676096

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-loop_rotate
Fuzz target binary: llvm-opt-fuzzer--x86_64-loop_rotate
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   Amt->getType()->isIntegerTy() && "Allocation array size is not an  
integer!"
   llvm::AllocaInst::AllocaInst
   BitcodeReader::parseFunctionBody

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802210603:201802211531

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5457660892676096

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

When you fix this bug, please
   * mention the fix revision(s).
   * state whether the bug was a short-lived regression or an old bug in any  
stable releases.
   * add any other useful information.
This information can help downstream consumers.

If you have questions for the OSS-Fuzz team, please file an issue at  
https://github.com/google/oss-fuzz/issues.

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