Arm64: [PAC-RET] NativeAOT changes by SwapnilGaikwad · Pull Request #128950 · dotnet/runtime

SwapnilGaikwad · 2026-06-03T14:57:20Z

This PR covers the final subset of changes from #125436 related to NativeAOT as suggested in comment.
It follows the previous work from- #127949, #127838 and #128147.

More details on PAC and its role in software security can be found (here).

cc: @dotnet/arm64-contrib @a74nh @jkotas @dhartglassMSFT

As suggested in [comment](dotnet#125436 (comment)), this PR covers subset of changes from dotnet#125436 related to NativeAOT. More details on PAC and its role in software security can be found ([here](https://llsoftsec.github.io/llsoftsecbook/#sec:pointer-authentication)).

dotnet-policy-service · 2026-06-03T14:58:58Z

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jkotas · 2026-06-11T02:08:33Z

/azp run runtime-nativeaot-outerloop

azure-pipelines · 2026-06-11T02:08:48Z

Azure Pipelines successfully started running 1 pipeline(s).

jkotas · 2026-06-12T05:21:42Z

Tests failing on linux-arm64 with

Debug Assertion Violation

Expression: 'IsUnwindable((PTR_VOID)pRegisterSet->IP)'

File: /__w/1/s/src/coreclr/nativeaot/Runtime/unix/UnixNativeCodeManager.cpp, Line: 1476

SwapnilGaikwad · 2026-07-03T16:25:15Z

Failures seem unrelated to the PR.

jkotas

Thank you!

jkotas · 2026-07-07T00:10:55Z

/azp run runtime-nativeaot-outerloop

azure-pipelines · 2026-07-07T00:11:08Z

Azure Pipelines successfully started running 1 pipeline(s).

MichalStrehovsky · 2026-07-07T05:16:58Z

/azp run runtime-nativeaot-outerloop

This is another PR that is now blocked on #129966. ARM64 testing has been impossible for a week now (Cc @EgorBo).

MichalStrehovsky · 2026-07-08T04:34:20Z

/azp run runtime-nativeaot-outerloop

azure-pipelines · 2026-07-08T04:34:36Z

Azure Pipelines successfully started running 1 pipeline(s).

SwapnilGaikwad · 2026-07-08T09:54:52Z

Current failures don't seem related to the PR.

jkotas · 2026-07-09T01:07:05Z

/ba-g known issue #53720, infrastructure timeouts

This PR covers the final subset of changes from #125436 related to NativeAOT as suggested in [comment](#125436 (comment)). It follows the previous work from- #127949, #127838 and #128147. More details on PAC and its role in software security can be found ([here](https://llsoftsec.github.io/llsoftsecbook/#sec:pointer-authentication)). --------- Co-authored-by: Jan Kotas <jkotas@microsoft.com>

SwapnilGaikwad requested a review from MichalStrehovsky as a code owner June 3, 2026 14:57

github-actions Bot added the area-NativeAOT-coreclr label Jun 3, 2026

dotnet-policy-service Bot added the community-contribution Indicates that the PR has been added by a community member label Jun 3, 2026

SwapnilGaikwad added 3 commits June 5, 2026 17:23

Merge main

9a83057

Fix build failures on non-x86 machines

3929397

Merge main

7205e0d

SwapnilGaikwad mentioned this pull request Jun 5, 2026

Arm64: [PAC-RET] Add Pointer Authentication support for Arm64 #125436

Open

5 tasks

jkotas reviewed Jun 6, 2026

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Comment thread src/coreclr/inc/daccess.h Outdated

SwapnilGaikwad added 2 commits June 8, 2026 11:13

Address review comments

8d25498

Merge main

4dc9a08

build-analysis Bot mentioned this pull request Jun 8, 2026

[ci-scan] Build break: crosscomp.h CONTEXT_UNWOUND_TO_CALL macro redefinition in runtime-diagnostics #129111

Closed

SwapnilGaikwad added 3 commits June 9, 2026 21:46

Merge main

4d01608

Avoid parsing Apple compact unwind as PAC DWARF info

6c9909e

Merge main

8bd3656

This was referenced Jun 10, 2026

CI build failure: error CS8032: An instance of analyzer Microsoft.NetCore.CSharp.Analyzers.... cannot be created #129031

Closed

[browser][coreCLR] Wasm.Console.Node.Sample - undefined symbol: SystemInteropJS_GetManagedStackTrace #129229

Closed

This was referenced Jun 11, 2026

Multiple Helix work items fail on maccatalyst/tvos CoreCLR Release #126460

Open

[ci-scan] Test failure: OutOfMemoryException.cmd on NativeAOT CET/CFG #129209

Closed

SwapnilGaikwad added 4 commits June 12, 2026 14:03

Restore Linux ARM64 NativeAOT unwindability behavior

d38310d

Merge main

032eaec

Revert cdac unwinder changes

f6f137a

Merge main

5888b08

build-analysis Bot mentioned this pull request Jul 3, 2026

[ci-scan] Test failure: System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile #130177

Closed

jkotas reviewed Jul 3, 2026

View reviewed changes

Comment thread src/coreclr/nativeaot/Runtime/windows/CoffNativeCodeManager.cpp Outdated

SwapnilGaikwad added 2 commits July 6, 2026 10:58

Address review comments

d312a7c

Merge main

a0f6da9

build-analysis Bot mentioned this pull request Jul 6, 2026

iOS tests failing with WORKLOAD TIMED OUT - Killing user command. #108103

Open

SwapnilGaikwad added 2 commits July 6, 2026 20:32

Treat autiasp/autibsp part of epilog

567b7dc

Merge main

c234f09

jkotas reviewed Jul 6, 2026

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Comment thread src/coreclr/nativeaot/Runtime/unix/UnixNativeCodeManager.cpp Outdated

SwapnilGaikwad added 2 commits July 6, 2026 20:48

Remove redundant explict bailing out on RET

968cae1

Address review comments

9c6a02a

jkotas approved these changes Jul 6, 2026

View reviewed changes

Merge branch 'main' into github-aot-pac

31c383a

build-analysis Bot mentioned this pull request Jul 7, 2026

[ci-scan] Build break: NativeAOT linker alignment error in PhysicalPromotion test (arm64) #129936

Closed

jkotas mentioned this pull request Jul 9, 2026

Test failing in CI: Microsoft.Extensions.Hosting.InternalHostTests.HostApplicationLifetimeEventsOrderedCorrectlyDuringShutdown #53720

Open

jkotas merged commit c1d33fc into dotnet:main Jul 9, 2026
157 of 163 checks passed

dotnet-maestro Bot mentioned this pull request Jul 9, 2026

[main] Source code updates from dotnet/runtime dotnet/dotnet#7617

Merged

a74nh mentioned this pull request Jul 9, 2026

Improve Arm64 for .NET11 #121787

Open

20 tasks

SwapnilGaikwad deleted the github-aot-pac branch July 9, 2026 08:56

kotlarmilos mentioned this pull request Jul 10, 2026

[NativeAOT][tvOS] PacStripPtr executes xpaci on devices without pointer authentication #130470

Closed

Copilot AI mentioned this pull request Jul 10, 2026

Use hint-safe pointer authentication stripping in NativeAOT #130474

Merged

dotnet-milestone-bot Bot added this to the 11.0-preview7 milestone Jul 10, 2026

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