[llvm-bugs] Issue 5446 in oss-fuzz: llvm/llvm-isel-fuzzer--aarch64-O2: ASSERT: getMinSignedBits() <= 64 && "Too many bits for int64_t"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Thu Jan 3 07:12:00 PST 2019


Comment #7 on issue 5446 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--aarch64-O2: ASSERT: getMinSignedBits() <= 64 && "Too  
many bits for int64_t"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5446#c7

ClusterFuzz has detected this issue as fixed in range  
201901010410:201901030410.

Detailed report: https://oss-fuzz.com/testcase?key=4577867338874880

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--aarch64-O2
Fuzz target binary: llvm-isel-fuzzer--aarch64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   getMinSignedBits() <= 64 && "Too many bits for int64_t"
   llvm::APInt::getSExtValue
   llvm::BasicAAResult::DecomposeGEPExpression

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201710300453:201710310454
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201901010410:201901030410

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=4577867338874880

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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