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[TySan][Clang] Add clang flag to use tysan outlined instrumentation a…

clangClang issues not falling into any other categoryClang issues not falling into any other category

clang:driver'clang' and 'clang++' user-facing binaries. Not 'clang-cl''clang' and 'clang++' user-facing binaries. Not 'clang-cl'

compiler-rt:tysanType sanitizerType sanitizer

Status: Open (in progress).

llvm/llvm-projectnumber 166170

#166170 In llvm/llvm-project;

· gbMattN opened on Nov 3, 2025

llvm Linux premerge builders are failing <code>ninja check-compiler-rt</code> on

compiler-rt:tysanType sanitizerType sanitizer

test-suite

Status: Open.

#143610 In llvm/llvm-project;

· gburgessiv opened on Jun 10, 2025

[tysan] False positive with placement new

compiler-rt:tysanType sanitizerType sanitizer

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#143587 In llvm/llvm-project;

· zygoloid opened on Jun 10, 2025

[TySan] can't build protobuf-c

compiler-rt:tysanType sanitizerType sanitizer

Status: Open.

#132629 In llvm/llvm-project;

· hoyhoy opened on Mar 23, 2025

[TySan] Can't build LLVM; many reports from llvm::cl::opt

build-problem

compiler-rt:tysanType sanitizerType sanitizer

Status: Open.

#124912 In llvm/llvm-project;

· gbMattN opened on Jan 29, 2025

[TySan] Extend TySan's ignorelists to have the 'global' and 'type' declarations

compiler-rt:tysanType sanitizerType sanitizer

enhancementImproving things as opposed to bug fixing, e.g. new or missing featureImproving things as opposed to bug fixing, e.g. new or missing feature

Status: Open.

Feature

#124253 In llvm/llvm-project;

· gbMattN opened on Jan 24, 2025

[TySan] False positive with global structs

compiler-rt:tysanType sanitizerType sanitizer

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#122954 In llvm/llvm-project;

· TheLastRar opened on Jan 14, 2025

[TySan] possible false positive with memcpy()?

compiler-rt:tysanType sanitizerType sanitizer

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#122934 In llvm/llvm-project;

· seanm opened on Jan 14, 2025

TypeSanitizer errors with global or static STL container

compiler-rt:tysanType sanitizerType sanitizer

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#122470 In llvm/llvm-project;

· firewave opened on Jan 10, 2025

[TySan] false positive with unions and placement-new

compiler-rt:tysanType sanitizerType sanitizer

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#120987 In llvm/llvm-project;

· Jannik2099 opened on Dec 23, 2024

Missed tysan violation with optimization

compiler-rt:tysanType sanitizerType sanitizer

false-negativeWarning doesn't fire when it shouldWarning doesn't fire when it should

Status: Open.

Bug

#120855 In llvm/llvm-project;

· thesamesam opened on Dec 21, 2024

Missed detection of aliasing violation with tysan

compiler-rt:tysanType sanitizerType sanitizer

false-negativeWarning doesn't fire when it shouldWarning doesn't fire when it should

Status: Open.

Bug

#120671 In llvm/llvm-project;

· thesamesam opened on Dec 20, 2024