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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7 |
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| #
975327a6 |
| 28-Dec-2022 |
Fangrui Song <i@maskray.me> |
[dfsan][test] Replace REQUIRES: x86_64-target-arch with lit.cfg.py check
Make it easier to support a new architecture.
Reviewed By: #sanitizers, vitalybuka
Differential Revision: https://reviews.l
[dfsan][test] Replace REQUIRES: x86_64-target-arch with lit.cfg.py check
Make it easier to support a new architecture.
Reviewed By: #sanitizers, vitalybuka
Differential Revision: https://reviews.llvm.org/D140744
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Revision tags: llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1, llvmorg-15.0.0, llvmorg-15.0.0-rc3, llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3 |
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| #
c6b5a25e |
| 17-Jun-2021 |
George Balatsouras <gbalats@google.com> |
[dfsan] Replace dfs$ prefix with .dfsan suffix
The current naming scheme adds the `dfs$` prefix to all
DFSan-instrumented functions. This breaks mangling and prevents stack
trace printers and other
[dfsan] Replace dfs$ prefix with .dfsan suffix
The current naming scheme adds the `dfs$` prefix to all
DFSan-instrumented functions. This breaks mangling and prevents stack
trace printers and other tools from automatically demangling function
names.
This new naming scheme is mangling-compatible, with the `.dfsan`
suffix being a vendor-specific suffix:
https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling-structure
With this fix, demangling utils would work out-of-the-box.
Reviewed By: stephan.yichao.zhao
Differential Revision: https://reviews.llvm.org/D104494
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Revision tags: llvmorg-12.0.1-rc2 |
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| #
5b4dda55 |
| 04-Jun-2021 |
George Balatsouras <gbalats@google.com> |
[dfsan] Add full fast8 support
Complete support for fast8:
- amend shadow size and mapping in runtime
- remove fast16 mode and -dfsan-fast-16-labels flag
- remove legacy mode and make fast8 mode the
[dfsan] Add full fast8 support
Complete support for fast8:
- amend shadow size and mapping in runtime
- remove fast16 mode and -dfsan-fast-16-labels flag
- remove legacy mode and make fast8 mode the default
- remove dfsan-fast-8-labels flag
- remove functions in dfsan interface only applicable to legacy
- remove legacy-related instrumentation code and tests
- update documentation.
Reviewed By: stephan.yichao.zhao, browneee
Differential Revision: https://reviews.llvm.org/D103745
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Revision tags: llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4 |
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| #
4e67ae7b |
| 10-Mar-2021 |
Jianzhou Zhao <jianzhouzh@google.com> |
[dfsan] Add origin ABI wrappers for thread/signal/fork
This is a part of https://reviews.llvm.org/D95835.
See https://github.com/llvm/llvm-project/commit/bb91e02efd00eda04296069a83228c8d9db105b7 ab
[dfsan] Add origin ABI wrappers for thread/signal/fork
This is a part of https://reviews.llvm.org/D95835.
See https://github.com/llvm/llvm-project/commit/bb91e02efd00eda04296069a83228c8d9db105b7 about the similar issue of fork in MSan's origin tracking.
Reviewed By: morehouse
Differential Revision: https://reviews.llvm.org/D98359
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Revision tags: llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3 |
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| #
0f3fd3b2 |
| 03-Feb-2021 |
Jianzhou Zhao <jianzhouzh@google.com> |
[dfsan] Add thread registration
This is a part of https://reviews.llvm.org/D95835.
This change is to address two problems
1) When recording stacks in origin tracking, libunwind is not async signal
[dfsan] Add thread registration
This is a part of https://reviews.llvm.org/D95835.
This change is to address two problems
1) When recording stacks in origin tracking, libunwind is not async signal safe. Inside signal callbacks, we need
to use fast unwind. Fast unwind needs threads
2) StackDepot used by origin tracking is not async signal safe, we set a flag per thread inside
a signal callback to prevent from using it.
The thread registration is similar to ASan and MSan.
Related MSan changes are
* https://github.com/llvm/llvm-project/commit/98f5ea0dbae664a2e5f9381a64f2913fe1add208
* https://github.com/llvm/llvm-project/commit/f653cda2695ac7390fe5663f2c0895213938334d
* https://github.com/llvm/llvm-project/commit/5a7c3643437c262137bd3dac7f6a0f5b9e8501be
Some changes in the diff are used in the next diffs
1) The test case pthread.c is not very interesting for now. It will be
extended to test origin tracking later.
2) DFsanThread::InSignalHandler will be used by origin tracking later.
Reviewed-by: morehouse
Differential Revision: https://reviews.llvm.org/D95963
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