[llvm-bugs] Issue 4778 in oss-fuzz: llvm/clang-fuzzer: Stack-overflow in clang::StmtVisitorBase::Visit

2018-01-14 Thread ClusterFuzz-External via monorail via llvm-bugs


Comment #3 on issue 4778 by ClusterFuzz-External: llvm/clang-fuzzer:  
Stack-overflow in clang::StmtVisitorBaseIntExprEvaluator, bool>::Visit

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4778#c3

ClusterFuzz has detected this issue as fixed in range  
201801130619:201801140616.


Detailed report: https://oss-fuzz.com/testcase?key=5083207931265024

Project: llvm
Fuzzer: libFuzzer_llvm_clang-fuzzer
Fuzz target binary: clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffd34c19f00
Crash State:
  clang::StmtVisitorBasebool>::Visit

  Evaluate
  IntExprEvaluator::VisitUnaryOperator

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201711140614:201711141648
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801130619:201801140616


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5083207931265024


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.


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[llvm-bugs] Issue 4778 in oss-fuzz: llvm/clang-fuzzer: Stack-overflow in clang::StmtVisitorBase::Visit

2018-01-14 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #4 on issue 4778 by ClusterFuzz-External: llvm/clang-fuzzer:  
Stack-overflow in clang::StmtVisitorBaseIntExprEvaluator, bool>::Visit

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4778#c4

ClusterFuzz testcase 5083207931265024 is verified as fixed, so closing  
issue as verified.


If this is incorrect, please file a bug on  
https://github.com/google/oss-fuzz/issues/new


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[llvm-bugs] [Bug 12961] attached testcase compiles in c++ mode, but not in c++11 mode

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=12961

Roman Lebedev  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 CC||lebedev...@gmail.com
 Status|NEW |RESOLVED

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[llvm-bugs] [Bug 21629] Warning "missing braces around initializer" causing problems with std::array

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=21629

Nico Weber  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEW |RESOLVED
 CC||nicolaswe...@gmx.de

--- Comment #10 from Nico Weber  ---
Sounds like this is done.

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[llvm-bugs] [Bug 35944] incorrect weak-vtables warning on abstract base class

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=35944

Christian Maaser  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |INVALID

--- Comment #1 from Christian Maaser  ---
The reason for this warning seems to be that a pure virtual destructor's
definition cannot be key function for where to place the vtable. See 
https://stackoverflow.com/questions/28786473/clang-no-out-of-line-virtual-method-definitions-pure-abstract-c-class/40550578
and
http://clang.llvm.org/doxygen/classclang_1_1ASTContext.html#a439522ed0cae62952acae5f30f283de2

> NOTE: In the abstract, a pure virtual destructor could be used as the key
> function, as it must be defined even though it is pure. However, the ABI
> committee did not realize this fact until after the specification of key
> function was complete; therefore a pure virtual destructor cannot be the
> key function.

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[llvm-bugs] Issue 5303 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: BaseReg == nullptr

2018-01-14 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, llvm-b...@lists.llvm.org, v...@apple.com,  
mitchphi...@outlook.com, xpl...@gmail.com, akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-01-14

Type: Bug

New issue 5303 by ClusterFuzz-External: llvm/llvm-isel-fuzzer--x86_64-O2:  
ASSERT: BaseReg == nullptr

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5303

Detailed report: https://oss-fuzz.com/testcase?key=4575078260932608

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:
  BaseReg == nullptr
  CodeGenPrepare::optimizeMemoryInst
  CodeGenPrepare::optimizeInst

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801120612:201801130619


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=4575078260932608


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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[llvm-bugs] [Bug 35843] Assertion in APInt::getSExtValue in -aa-eval

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=35843

Davide Italiano  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEW |RESOLVED

--- Comment #5 from Davide Italiano  ---
r322467

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[llvm-bugs] Issue 5308 in oss-fuzz: llvm: Stack-overflow in llvm::StringMapImpl::LookupBucketFor

2018-01-14 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, llvm-b...@lists.llvm.org, v...@apple.com,  
mitchphi...@outlook.com, xpl...@gmail.com, akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2018-01-15

Type: Bug

New issue 5308 by ClusterFuzz-External: llvm: Stack-overflow in  
llvm::StringMapImpl::LookupBucketFor

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5308

Detailed report: https://oss-fuzz.com/testcase?key=6129584899620864

Project: llvm
Fuzzer: libFuzzer_llvm_clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7fffe9754aa8
Crash State:
  llvm::StringMapImpl::LookupBucketFor
  std::__1::pair, bool>  
llvm::Stri

  clang::Preprocessor::LookUpIdentifierInfo

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801110649:201801120612


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6129584899620864


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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[llvm-bugs] [Bug 35382] No matching function for call to RegisterTarget

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=35382

Kaushik Phatak  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 CC||kpha...@gmail.com
 Resolution|--- |FIXED

--- Comment #3 from Kaushik Phatak  ---
This is fixed in r318895 by a patch from Leslie Zhai.
Setting this to resolved.

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[llvm-bugs] [Bug 35899] -globals-aa affected by dbg intrinsic leading to different code after instcombine

2018-01-14 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=35899

Mikael Holmén  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #2 from Mikael Holmén  ---
(In reply to Mikael Holmén from comment #1)
> I created a patch that solves the problem but I don't know if it should be
> fixed in some ther way or not:
> https://reviews.llvm.org/D41984

Pushed in rL322470.

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