[llvm-bugs] Issue 13826 in oss-fuzz: llvm/clang-fuzzer: Timeout in llvm_clang-fuzzer

2019-08-31 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: -Reproducible Unreproducible

Comment #8 on issue 13826 by ClusterFuzz-External: llvm/clang-fuzzer:  
Timeout in llvm_clang-fuzzer

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13826#c8

ClusterFuzz testcase 5092949752283136 appears to be flaky, updating  
reproducibility label.


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[llvm-bugs] Issue 11885 in oss-fuzz: llvm/llvm-special-case-list-fuzzer: Timeout in llvm_llvm-special-case-list-fuzzer

2019-08-31 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: -Reproducible Unreproducible

Comment #10 on issue 11885 by ClusterFuzz-External:  
llvm/llvm-special-case-list-fuzzer: Timeout in  
llvm_llvm-special-case-list-fuzzer

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11885#c10

ClusterFuzz testcase 5096442061914112 appears to be flaky, updating  
reproducibility label.


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[llvm-bugs] Issue 12433 in oss-fuzz: llvm/llvm-itanium-demangle-fuzzer: Timeout in llvm_llvm-itanium-demangle-fuzzer

2019-08-31 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: -Reproducible Unreproducible

Comment #9 on issue 12433 by ClusterFuzz-External:  
llvm/llvm-itanium-demangle-fuzzer: Timeout in  
llvm_llvm-itanium-demangle-fuzzer

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12433#c9

ClusterFuzz testcase 6040956316418048 appears to be flaky, updating  
reproducibility label.


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[llvm-bugs] Issue 16890 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in processTypeAttrs

2019-08-31 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 OS-Linux Proj-llvm Reported-2019-09-01

Type: Bug

New issue 16890 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow  
in processTypeAttrs

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16890

Detailed Report: https://oss-fuzz.com/testcase?key=5723531530207232

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7fff05cafd00
Crash State:
  processTypeAttrs
  ConvertDeclSpecToType
  GetDeclSpecTypeForDeclarator

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201908280324:201908290314


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5723531530207232


Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for  
instructions to reproduce this bug locally.


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[llvm-bugs] 5 issues changed in oss-fuzz

2019-08-31 Thread infeā€¦ via monorail via llvm-bugs

Updates:
Labels: -Unreproducible Reproducible

Comment by infe...@chromium.org:
Please ignore the reproducibility label flip to Unreproducible. This was an  
infrastructure issue that is now resolved. Switching the labels back, sorry  
for the inconvenience.


Affected issues:
  issue 10821: llvm/clang-fuzzer: Stack-overflow in EvaluateValue
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10821

  issue 11885: llvm/llvm-special-case-list-fuzzer: Timeout in  
llvm_llvm-special-case-list-fuzzer

http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11885

  issue 12433: llvm/llvm-itanium-demangle-fuzzer: Timeout in  
llvm_llvm-itanium-demangle-fuzzer

http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12433

  issue 12439: llvm/llvm-itanium-demangle-fuzzer: Stack-overflow in  
llvm::itanium_demangle::AbstractManglingParser
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12439

  issue 12898: llvm/clangd-fuzzer: Stack-overflow in  
llvm::json::Parser::parseValue

http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12898



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[llvm-bugs] Issue 16889 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in GetFullTypeForDeclarator

2019-08-31 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 OS-Linux Proj-llvm Reported-2019-09-01

Type: Bug

New issue 16889 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow  
in GetFullTypeForDeclarator

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16889

Detailed Report: https://oss-fuzz.com/testcase?key=5090109182967808

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffd51d2eec8
Crash State:
  GetFullTypeForDeclarator
  clang::Sema::GetTypeForDeclarator
  clang::Sema::ActOnBlockArguments

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201908280324:201908290314


Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5090109182967808


Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for  
instructions to reproduce this bug locally.


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[llvm-bugs] [Bug 43187] New: Crash given weak symbol in C, normal symbol in inline assembly

2019-08-31 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=43187

Bug ID: 43187
   Summary: Crash given weak symbol in C, normal symbol in inline
assembly
   Product: libraries
   Version: trunk
  Hardware: PC
OS: Linux
Status: NEW
  Severity: enhancement
  Priority: P
 Component: Backend: X86
  Assignee: unassignedb...@nondot.org
  Reporter: jonathanchesterfi...@gmail.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, spatel+l...@rotateright.com

For example,

__attribute__((weak)) int x = 4;
__asm__(".type x,@object\n"
".data\n"
".p2align 2\n"
"x:\n"
".long 42\n");
=> fatal error: error in backend: symbol 'x' is already defined

or, equivalently:

module asm ".type x,@object"
module asm ".data"
module asm ".p2align 2"
module asm "x:"
module asm ".long 42"
@x = weak dso_local global i32 4, align 4
=> same error

Expected behaviour is for x to have the initial value 42, replacing the weak
symbol. Observed behaviour is the fatal error.

Using non-inline assembly works as expected. Symbol overridden, no error.

Weak on either (or both) symbol(s) shows the same behaviour.

Non-reduced case has inline assembly in one translation unit and the weak
symbol in another. Compiling each separately to an elf and linking works fine,
llvm-link then llc fails as above.

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[llvm-bugs] [Bug 43186] New: A list of clang-format options that don't work as documented/expected.

2019-08-31 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=43186

Bug ID: 43186
   Summary: A list of clang-format options that don't work as
documented/expected.
   Product: clang
   Version: 8.0
  Hardware: PC
OS: Windows NT
Status: NEW
  Severity: enhancement
  Priority: P
 Component: Formatter
  Assignee: unassignedclangb...@nondot.org
  Reporter: danielmruss...@gmail.com
CC: djas...@google.com, kli...@google.com,
llvm-bugs@lists.llvm.org

#The following options are in the online documentation but don't work at all
 # or are very defective in release (8.0.1).

AllowAllConstructorInitializersOnNextLine: false
BraceWrapping:
AfterCaseLabel: true

# AfterColon and BeforeColon fails to break at all
BreakConstructorInitializers: AfterColon

ConstructorInitializerAllOnOneLineOrOnePerLine: false
#  There appears to be no way to make sure clang will break
# our constructor initializer lists. It REALLY wants to put them on the same
# line. Also the options are a total mess right now, lacking symmetry. No one
# online knows what the proper way to achieve this what they want w/
# constructor lists as a result.

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[llvm-bugs] [Bug 43170] Crash test-suite/SingleSource/UnitTests/Vector/AVX512F/t_movzext.c

2019-08-31 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=43170

Simon Pilgrim  changed:

   What|Removed |Added

 Fixed By Commit(s)||r370592
 Resolution|--- |FIXED
 Status|CONFIRMED   |RESOLVED

--- Comment #2 from Simon Pilgrim  ---
Fixed in rL370592

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[llvm-bugs] Issue 16853 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in clang::Lexer::LexNumericConstant

2019-08-31 Thread ClusterFuzz-External via monorail via llvm-bugs

Updates:
Labels: ClusterFuzz-Verified
Status: Verified

Comment #1 on issue 16853 by ClusterFuzz-External: llvm:clang-fuzzer:  
Stack-overflow in clang::Lexer::LexNumericConstant

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16853#c1

ClusterFuzz testcase 5741794200911872 is verified as fixed in  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm=201908290314:201908310326


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


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[llvm-bugs] [Bug 43185] New: Build fails using gn

2019-08-31 Thread via llvm-bugs
https://bugs.llvm.org/show_bug.cgi?id=43185

Bug ID: 43185
   Summary: Build fails using gn
   Product: Build scripts
   Version: trunk
  Hardware: PC
OS: All
Status: NEW
  Severity: normal
  Priority: P
 Component: cmake
  Assignee: unassignedb...@nondot.org
  Reporter: n@ndor.email
CC: llvm-bugs@lists.llvm.org

I am trying to add a new library under lib/clang/AST, along with a new tablegen
backend. It seems like a bot is failing when trying to build with gn:

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-gn/builds/4816/steps/annotate/logs/stdio

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