[llvm-bugs] Issue 7560 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: Heap-use-after-free in llvm::LoopVectorizationCostModel::setCostBasedWideningDecision

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs


Comment #11 on issue 7560 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: Heap-use-after-free in  
llvm::LoopVectorizationCostModel::setCostBasedWideningDecision

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7560#c11

ClusterFuzz has detected this issue as fixed in range  
201903070433:201903090441.


Detailed report: https://oss-fuzz.com/testcase?key=5746655065276416

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

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x608124e0
Crash State:
  llvm::LoopVectorizationCostModel::setCostBasedWideningDecision
  llvm::LoopVectorizationCostModel::collectUniformsAndScalars
  llvm::LoopVectorizationPlanner::plan

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802190622:201802200626
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903070433:201903090441


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5746655065276416


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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[llvm-bugs] Issue 13229 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: !getMember(0)->mayWriteToMemory() && "Group should have been invalidated"

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs


Comment #2 on issue 13229 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize:  
ASSERT: !getMember(0)->mayWriteToMemory() && "Group should have been  
invalidated"

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13229#c2

ClusterFuzz has detected this issue as fixed in range  
201903070433:201903090441.


Detailed report: https://oss-fuzz.com/testcase?key=5713358093811712

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

Crash Type: ASSERT
Crash Address:
Crash State:
  !getMember(0)->mayWriteToMemory() && "Group should have been invalidated"
  llvm::LoopVectorizationCostModel::interleavedAccessCanBeWidened
  llvm::LoopVectorizationCostModel::setCostBasedWideningDecision

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201810170227:20181623
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903070433:201903090441


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5713358093811712


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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[llvm-bugs] Issue 13128 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: WideningDecision != CM_Unknown && "Widening decision should be ready at this mom

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs


Comment #2 on issue 13128 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: WideningDecision !=  
CM_Unknown && "Widening decision should be ready at this mom

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13128#c2

ClusterFuzz has detected this issue as fixed in range  
201903070433:201903090441.


Detailed report: https://oss-fuzz.com/testcase?key=5754785267974144

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

Crash Type: ASSERT
Crash Address:
Crash State:
  WideningDecision != CM_Unknown && "Widening decision should be ready at  
this mom

  llvm::LoopVectorizationCostModel::collectLoopScalars
  llvm::LoopVectorizationCostModel::collectLoopScalars

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201810160226:201810170227
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903070433:201903090441


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5754785267974144


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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[llvm-bugs] Issue 13499 in oss-fuzz: llvm/clang-fuzzer: Stack-overflow in llvm::StringMapImpl::LookupBucketFor

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs


Comment #1 on issue 13499 by ClusterFuzz-External: llvm/clang-fuzzer:  
Stack-overflow in llvm::StringMapImpl::LookupBucketFor

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13499#c1

ClusterFuzz has detected this issue as fixed in range  
201903070433:201903090441.


Detailed report: https://oss-fuzz.com/testcase?key=5698428825239552

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: 0x7ffd21cf1f28
Crash State:
  llvm::StringMapImpl::LookupBucketFor
  std::__1::pair, bool>  
llvm::Stri

  clang::Preprocessor::LookUpIdentifierInfo

Sanitizer: address (ASAN)

Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903070433:201903090441


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5698428825239552


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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[llvm-bugs] Issue 13499 in oss-fuzz: llvm/clang-fuzzer: Stack-overflow in llvm::StringMapImpl::LookupBucketFor

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #2 on issue 13499 by ClusterFuzz-External: llvm/clang-fuzzer:  
Stack-overflow in llvm::StringMapImpl::LookupBucketFor

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13499#c2

ClusterFuzz testcase 5698428825239552 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] Issue 13229 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: !getMember(0)->mayWriteToMemory() && "Group should have been invalidated"

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #3 on issue 13229 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize:  
ASSERT: !getMember(0)->mayWriteToMemory() && "Group should have been  
invalidated"

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13229#c3

ClusterFuzz testcase 5713358093811712 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] Issue 7560 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: Heap-use-after-free in llvm::LoopVectorizationCostModel::setCostBasedWideningDecision

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #12 on issue 7560 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: Heap-use-after-free in  
llvm::LoopVectorizationCostModel::setCostBasedWideningDecision

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7560#c12

ClusterFuzz testcase 5746655065276416 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] Issue 13128 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: WideningDecision != CM_Unknown && "Widening decision should be ready at this mom

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #3 on issue 13128 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: WideningDecision !=  
CM_Unknown && "Widening decision should be ready at this mom

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13128#c3

ClusterFuzz testcase 5754785267974144 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] Issue 13630 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: MRI->getVRegDef(Reg) && "Machine instr not mapped for this vreg?!"

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,  
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,  
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,  
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2019-03-09

Type: Bug

New issue 13630 by ClusterFuzz-External: llvm/llvm-isel-fuzzer--x86_64-O2:  
ASSERT: MRI->getVRegDef(Reg) && "Machine instr not mapped for this vreg?!"

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13630

Detailed report: https://oss-fuzz.com/testcase?key=5647237177147392

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:
  MRI->getVRegDef(Reg) && "Machine instr not mapped for this vreg?!"
  MachineLICMBase::IsLoopInvariantInst
  MachineLICMBase::runOnMachineFunction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903050442:201903070433


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5647237177147392


Issue filed automatically.

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


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 need to contact the OSS-Fuzz team with a question, concern, or any  
other feedback, please file an issue at  
https://github.com/google/oss-fuzz/issues.


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[llvm-bugs] Issue 13631 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: use_empty() && "Uses remain when a value is destroyed!"

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,  
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,  
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,  
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2019-03-09

Type: Bug

New issue 13631 by ClusterFuzz-External: llvm/llvm-isel-fuzzer--x86_64-O2:  
ASSERT: use_empty() && "Uses remain when a value is destroyed!"

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13631

Detailed report: https://oss-fuzz.com/testcase?key=5658096699965440

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:
  use_empty() && "Uses remain when a value is destroyed!"
  llvm::Value::~Value
  llvm::Value::deleteValue

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903050442:201903070433


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5658096699965440


Issue filed automatically.

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


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 need to contact the OSS-Fuzz team with a question, concern, or any  
other feedback, please file an issue at  
https://github.com/google/oss-fuzz/issues.


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[llvm-bugs] Issue 13639 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-strength_reduce: Direct-leak in llvm::Value::setNameImpl

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,  
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,  
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,  
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Stability-Memory-LeakSanitizer Engine-libfuzzer Proj-llvm  
Reported-2019-03-09

Type: Bug

New issue 13639 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-strength_reduce: Direct-leak in  
llvm::Value::setNameImpl

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13639

Detailed report: https://oss-fuzz.com/testcase?key=5765912626462720

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

Crash Type: Direct-leak
Crash Address:
Crash State:
  llvm::Value::setNameImpl
  llvm::Value::setName
  BitcodeReader::recordValue

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=5765912626462720


Issue filed automatically.

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


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 need to contact the OSS-Fuzz team with a question, concern, or any  
other feedback, please file an issue at  
https://github.com/google/oss-fuzz/issues.


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[llvm-bugs] [Bug 41019] New: Incorrectly warning about nullable parameter

2019-03-09 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=41019

Bug ID: 41019
   Summary: Incorrectly warning about nullable parameter
   Product: clang
   Version: trunk
  Hardware: Macintosh
OS: MacOS X
Status: NEW
  Severity: enhancement
  Priority: P
 Component: -New Bugs
  Assignee: unassignedclangb...@nondot.org
  Reporter: alexbrachetmia...@gmail.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org,
neeil...@live.com, richard-l...@metafoo.co.uk

Seems to be a bug around nullability. attr argument to pthread_mutex_init is
declared _Nullable in the header on my machine but clang still complains to me
when passing NULL. Not a huge bug but it is annoying.

int pthread_mutex_init(pthread_mutex_t * __restrict,
const pthread_mutexattr_t * _Nullable __restrict);

thpool.c:37:47: warning: null passed to a callee that requires a non-null
argument [-Wnonnull]
(void) pthread_mutex_init(&tp->mutex, NULL);
  ^

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[llvm-bugs] [Bug 40442] [SelectionDAG] Enable ISD::SADDO/SSUBO/SMULO/UADDO/USUBO/UMULO vector support

2019-03-09 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=40442

Nikita Popov  changed:

   What|Removed |Added

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

--- Comment #8 from Nikita Popov  ---
Nope, I think we got everything here :)

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[llvm-bugs] [Bug 37763] [X86] Investigate vectorization of the overflow add/sub nodes to PADD+PADDS+PCMPEQ etc.

2019-03-09 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=37763
Bug 37763 depends on bug 40442, which changed state.

Bug 40442 Summary: [SelectionDAG] Enable 
ISD::SADDO/SSUBO/SMULO/UADDO/USUBO/UMULO vector support
https://bugs.llvm.org/show_bug.cgi?id=40442

   What|Removed |Added

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

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[llvm-bugs] Issue 13641 in oss-fuzz: llvm/clang-fuzzer: ASSERT: isa(Val) && "cast() argument of incompatible type!"

2019-03-09 Thread ClusterFuzz-External via monorail via llvm-bugs

Status: New
Owner: 
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,  
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,  
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,  
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,  
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer Proj-llvm Reported-2019-03-10

Type: Bug

New issue 13641 by ClusterFuzz-External: llvm/clang-fuzzer: ASSERT:  
isa(Val) && "cast() argument of incompatible type!"

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13641

Detailed report: https://oss-fuzz.com/testcase?key=6196881187667968

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

Crash Type: ASSERT
Crash Address:
Crash State:
  isa(Val) && "cast() argument of incompatible type!"
  clang::OverloadExpr::find
  clang::Sema::ResolveAndFixSingleFunctionTemplateSpecialization

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201902140416:201902150428


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6196881187667968


Issue filed automatically.

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


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 need to contact the OSS-Fuzz team with a question, concern, or any  
other feedback, please file an issue at  
https://github.com/google/oss-fuzz/issues.


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