[llvm-bugs] Issue 7522 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: (I.atEnd() || std::next(I) == def_instr_end()) && "getVRegDef assumes a single d

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 7522 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: (I.atEnd() || std::next(I) ==  
def_instr_end()) && "getVRegDef assumes a single d
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7522#c2

ClusterFuzz has detected this issue as fixed in range  
201804100522:201804110524.

Detailed report: https://oss-fuzz.com/testcase?key=5658950759350272

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--x86_64-O2
Fuzz target binary: llvm-isel-fuzzer--x86_64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   (I.atEnd() || std::next(I) == def_instr_end()) && "getVRegDef assumes a  
single d
   llvm::MachineRegisterInfo::getVRegDef
   llvm::LiveVariables::runOnMachineFunction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201804090528:201804100522
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201804100522:201804110524

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5658950759350272

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

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

-- 
You received this message because:
   1. You were specifically CC'd on the issue

You may adjust your notification preferences at:
https://bugs.chromium.org/hosting/settings

Reply to this email to add a comment.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20180411/ff9376fe/attachment.html>