System.Collections.Concurrent.Tests crashing in CI

[ViktorHofer]

Build: https://dev.azure.com/dnceng/public/_build/results?buildId=905607&view=ms.vss-test-web.build-test-results-tab&runId=28901114&resultId=182589&paneView=attachments

Configuration: net6.0-Linux-Release-x64-CoreCLR_release-RedHat.7.Amd64.Open

how-to-debug-dump.md:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/how-to-debug-dump.md?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

core.1000.22024:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/core.1000.22024?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

console.8cc118e5.log:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/console.8cc118e5.log?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

Runfo Tracking Issue: system.collections.concurrent.tests crashes

Build	Definition	Kind	Run Name	Console	Core Dump	Test Results	Run Client
1082899	runtime	PR 51099	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1072066	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump		runclient.py
1072066	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump
1071508	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1071508	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump
1067051	runtime	PR 50479	net6.0-OSX-Debug-x64-Mono_release-OSX.1014.Amd64.Open	console.log	core dump		runclient.py
1067051	runtime	PR 50479	net6.0-OSX-Debug-x64-Mono_release-OSX.1015.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-mono_interpreter_release-Debian.9.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-(Centos.8.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-8-helix-20201229003624-c1bf759	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-RedHat.7.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-(Debian.10.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-10-helix-amd64-bfcd90a-20200121150006	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1604.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1804.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-SLES.15.Amd64.Open	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-x64-Mono_release-(Fedora.30.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-30-helix-20200512010621-4f8cef7	console.log	core dump
1067051	runtime	PR 50479	net6.0-Linux-Debug-arm64-Mono_release-(Ubuntu.1804.ArmArch.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-16.04-helix-arm64v8-20210106155927-56c6673	console.log	core dump
1066426	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1066426	runtime	PR 50364	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump
1059736	runtime	PR 50232	net6.0-OSX-Debug-x64-CoreCLR_checked-OSX.1013.Amd64.Open	console.log	core dump		runclient.py
1059736	runtime	PR 50232	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1059736	runtime	PR 50232	net6.0-windows-Release-x86-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1059736	runtime	PR 50232	net6.0-Linux-Debug-x64-CoreCLR_checked-Ubuntu.1804.Amd64.Open	console.log	core dump		runclient.py
1059736	runtime	PR 50232	net6.0-Linux-Debug-x64-CoreCLR_checked-(Alpine.312.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-20200602002622-e06dc59	console.log	core dump		runclient.py
1059736	runtime	PR 50232	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump		runclient.py
1059736	runtime	PR 50232	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump		runclient.py
1059736	runtime	PR 50232	net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e	console.log	core dump		runclient.py
1050603	runtime	PR 49990	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log
1050314	runtime	PR 48601	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1050243	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1050243	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1047146	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1047146	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1047146	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1047146	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-mono_interpreter_release-Debian.9.Amd64.Open	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-(Centos.8.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-8-helix-20201229003624-c1bf759	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-RedHat.7.Amd64.Open	console.log	core dump		runclient.py
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-(Debian.10.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-10-helix-amd64-bfcd90a-20200121150006	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1604.Amd64.Open	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1804.Amd64.Open	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-SLES.15.Amd64.Open	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-x64-Mono_release-(Fedora.30.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-30-helix-20200512010621-4f8cef7	console.log	core dump
1046026	runtime	PR 49740	net6.0-Linux-Debug-arm64-Mono_release-(Ubuntu.1804.ArmArch.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-16.04-helix-arm64v8-20210106155927-56c6673	console.log	core dump
1046026	runtime	PR 49740	net6.0-OSX-Debug-x64-Mono_release-OSX.1014.Amd64.Open	console.log
1046026	runtime	PR 49740	net6.0-OSX-Debug-x64-Mono_release-OSX.1015.Amd64.Open	console.log	core dump
1045420	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1045420	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1042619	runtime	Rolling	net5.0-Linux-Release-x64-Mono_release-SLES.15.Amd64.Open	console.log			runclient.py
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1041040	runtime	PR 49635	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1039858	runtime	PR 43706	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1039858	runtime	PR 43706	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump
1038213	runtime	PR 49511	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log	core dump	test results
1038213	runtime	PR 49511	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log	core dump	test results
1033540	runtime	PR 48601	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1027303	runtime	PR 49072	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1027303	runtime	PR 49072	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1027001	runtime	PR 49072	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1026754	runtime	PR 49256	net6.0-OSX-Debug-x64-CoreCLR_checked-OSX.1013.Amd64.Open	console.log			runclient.py
1026754	runtime	PR 49256	net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e	console.log	core dump
1026754	runtime	PR 49256	net6.0-Linux-Debug-x64-CoreCLR_checked-Ubuntu.1804.Amd64.Open	console.log	core dump
1026754	runtime	PR 49256	net6.0-Linux-Debug-x64-CoreCLR_checked-(Alpine.312.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-20200602002622-e06dc59	console.log	core dump
1025834	runtime	PR 49260	net6.0-OSX-Debug-x64-Mono_release-OSX.1014.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-OSX-Debug-x64-Mono_release-OSX.1015.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-(Centos.8.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-8-helix-20201229003624-c1bf759	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-RedHat.7.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-(Debian.10.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-10-helix-amd64-bfcd90a-20200121150006	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1604.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1804.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-SLES.15.Amd64.Open	console.log	core dump
1025834	runtime	PR 49260	net6.0-Linux-Debug-x64-Mono_release-(Fedora.30.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-30-helix-20200512010621-4f8cef7	console.log	core dump
1025834	runtime	PR 49260	net6.0-windows-Debug-x64-Mono_release-Windows.81.Amd64.Open	console.log
1025834	runtime	PR 49260	net6.0-windows-Debug-x64-Mono_release-Windows.10.Amd64.Server19H1.ES.Open	console.log
1025677	runtime	PR 49257	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log
1025677	runtime	PR 49257	net6.0-windows-Release-x86-CoreCLR_checked-Windows.10.Amd64.Open	console.log
1025677	runtime	PR 49257	net6.0-OSX-Debug-x64-CoreCLR_checked-OSX.1013.Amd64.Open	console.log
1025677	runtime	PR 49257	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1025677	runtime	PR 49257	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log
1025677	runtime	PR 49257	net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e	console.log	core dump		runclient.py
1025677	runtime	PR 49257	net6.0-Linux-Debug-x64-CoreCLR_checked-Ubuntu.1804.Amd64.Open	console.log	core dump
1025677	runtime	PR 49257	net6.0-Linux-Debug-x64-CoreCLR_checked-(Alpine.312.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-20200602002622-e06dc59	console.log	core dump
1024591	runtime	PR 48601	net6.0-windows-Debug-x64-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1024540	runtime	PR 47269	net6.0-Linux-Release-arm-CoreCLR_checked-(Ubuntu.1804.Arm32.Open)Ubuntu.1804.Armarch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7-bfcd90a-20200121150440	console.log	core dump		runclient.py
1024540	runtime	PR 47269	net6.0-Linux-Release-arm64-CoreCLR_checked-(Alpine.312.Arm64.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm64v8-20200602002604-25f8a3e	console.log	core dump
1024540	runtime	PR 47269	net6.0-Linux-Release-arm-CoreCLR_checked-(Alpine.312.Arm32.Open)Ubuntu.1804.ArmArch.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.12-helix-arm32v7-20200908125213-5bece88	console.log	core dump
1024540	runtime	PR 47269	net6.0-windows-Release-x86-CoreCLR_checked-Windows.10.Amd64.Open	console.log
1022669	runtime	PR 49072	net6.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log
1022669	runtime	PR 49072	net6.0-Browser-Release-wasm-Mono_Release-wasmtestonbrowser-Ubuntu.1804.Amd64.Open	console.log
1019817	runtime	PR 47864	net6.0-OSX-Debug-arm64-Mono_release-OSX.1100.ARM64.Open	console.log	core dump		runclient.py
1017879	runtime	PR 48923	net6.0-windows-Release-x86-CoreCLR_checked-Windows.10.Amd64.Open	console.log			runclient.py
1016780	runtime	PR 48908	net6.0-OSX-Debug-x64-Mono_release-OSX.1014.Amd64.Open	console.log			runclient.py
1016780	runtime	PR 48908	net6.0-OSX-Debug-x64-Mono_release-OSX.1015.Amd64.Open	console.log	core dump
1016780	runtime	PR 48908	net6.0-Linux-Debug-x64-Mono_release-(Centos.8.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-8-helix-20201229003624-c1bf759	console.log	core dump
1016780	runtime	PR 48908	net6.0-Linux-Debug-x64-Mono_release-RedHat.7.Amd64.Open	console.log	core dump
1016780	runtime	PR 48908	net6.0-Linux-Debug-x64-Mono_release-(Debian.10.Amd64.Open)ubuntu.1604.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-10-helix-amd64-bfcd90a-20200121150006	console.log	core dump
1016780	runtime	PR 48908	net6.0-Linux-Debug-x64-Mono_release-Ubuntu.1604.Amd64.Open	console.log	core dump

Displaying 100 of 143 results

Build Result Summary

Day Hit Count	Week Hit Count	Month Hit Count
1	1	16

Tagging subscribers to this area: @eiriktsarpalis
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Build: https://dev.azure.com/dnceng/public/_build/results?buildId=905607&view=ms.vss-test-web.build-test-results-tab&runId=28901114&resultId=182589&paneView=attachments

Configuration: net6.0-Linux-Release-x64-CoreCLR_release-RedHat.7.Amd64.Open

how-to-debug-dump.md:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/how-to-debug-dump.md?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

core.1000.22024:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/core.1000.22024?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

console.8cc118e5.log:
https://helixre8s23ayyeko0k025g8.blob.core.windows.net/dotnet-runtime-refs-heads-master-b6482f3963824bb38a/System.Collections.Concurrent.Tests/console.8cc118e5.log?sv=2019-07-07&se=2020-12-22T10%3A40%3A07Z&sr=c&sp=rl&sig=l5N76%2FlDXHLoRkWIFox8OOiSkZPdUawXGM9N0cBe86A%3D

Author:	ViktorHofer
Assignees:	-
Labels:	area-System.Collections, blocking-clean-ci
Milestone:	-

[ViktorHofer]

cc @jkotas in case you are interested in the dump

[jkotas]

Crash during background GC handle table scan:

(lldb) bt
* thread #1, name = 'dotnet', stop reason = signal SIGSEGV
  * frame #0: 0x00007f0e1aef3ed0 libcoreclr.so`WKS::gc_heap::background_mark_simple1(unsigned char*) [inlined] MethodTable::GetFlag(this=<unavailable>, flag=enum_flag_HasComponentSize) const at methodtable.h:3705:16
    frame #1: 0x00007f0e1aef3ed0 libcoreclr.so`WKS::gc_heap::background_mark_simple1(unsigned char*) [inlined] MethodTable::HasComponentSize(this=<unavailable>) const at methodtable.h:1688
    frame #2: 0x00007f0e1aef3ed0 libcoreclr.so`WKS::gc_heap::background_mark_simple1(unsigned char*) [inlined] WKS::my_get_size(ob=<unavailable>) at gc.cpp:9693
    frame #3: 0x00007f0e1aef3ec9 libcoreclr.so`WKS::gc_heap::background_mark_simple1(oo="i�\xa2\r\x7f") at gc.cpp:20333
    frame #4: 0x00007f0e1aef4882 libcoreclr.so`WKS::gc_heap::background_promote(Object**, ScanContext*, unsigned int) at gc.cpp:20528:17
    frame #5: 0x00007f0e1aef482e libcoreclr.so`WKS::gc_heap::background_promote(ppObject=0x00007f0e1c966110, sc=<unavailable>, flags=<unavailable>) at gc.cpp:20608
    frame #6: 0x00007f0e1ae8245d libcoreclr.so`BlockScanBlocksWithoutUserData(TableSegment*, unsigned int, unsigned int, ScanCallbackInfo*) [inlined] ScanConsecutiveHandlesWithoutUserData(pValue=0x00007f0e1c966110, pLast=0x00007f0e1c966200, pInfo=0x00007f0d427fbb70, (null)=<unavailable>) at handletablescan.cpp:443:13
    frame #7: 0x00007f0e1ae82424 libcoreclr.so`BlockScanBlocksWithoutUserData(pSegment=0x00007f0e1c960000, uBlock=40, uCount=1, pInfo=0x00007f0d427fbb70) at handletablescan.cpp:555
    frame #8: 0x00007f0e1ae834b0 libcoreclr.so`xxxTableScanQueuedBlocksAsync(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) [inlined] ProcessScanQNode(pAsyncInfo=<unavailable>, pQNode=<unavailable>) at handletablescan.cpp:1231:9
    frame #9: 0x00007f0e1ae83482 libcoreclr.so`xxxTableScanQueuedBlocksAsync(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) at handletablescan.cpp:1201
    frame #10: 0x00007f0e1ae83436 libcoreclr.so`xxxTableScanQueuedBlocksAsync(pTable=<unavailable>, pSegment=<unavailable>, pCrstHolder=0x00007f0d427fbba0)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) at handletablescan.cpp:1312
    frame #11: 0x00007f0e1ae842ca libcoreclr.so`xxxTableScanHandlesAsync(HandleTable*, unsigned int const*, unsigned int, TableSegment* (*)(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*), void (*)(TableSegment*, unsigned int, unsigned int, ScanCallbackInfo*), ScanCallbackInfo*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) [inlined] xxxAsyncSegmentIterator(pTable=0x00005636d227bea0, pPrevSegment=<unavailable>, pCrstHolder=0x00007f0d427fbba0)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) at handletablescan.cpp:1537:9
    frame #12: 0x00007f0e1ae842a6 libcoreclr.so`xxxTableScanHandlesAsync(HandleTable*, unsigned int const*, unsigned int, TableSegment* (*)(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*), void (*)(TableSegment*, unsigned int, unsigned int, ScanCallbackInfo*), ScanCallbackInfo*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) [inlined] TableScanHandles(pTable=<unavailable>, puType=<unavailable>, uTypeCount=<unavailable>, pfnSegmentIterator=<unavailable>, pfnBlockHandler=<unavailable>, pInfo=<unavailable>, pCrstHolder=<unavailable>)(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*), void (*)(TableSegment*, unsigned int, unsigned int, ScanCallbackInfo*), ScanCallbackInfo*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) at handletablescan.cpp:1699
    frame #13: 0x00007f0e1ae83e32 libcoreclr.so`xxxTableScanHandlesAsync(pTable=0x00005636d227bea0, puType=<unavailable>, uTypeCount=<unavailable>, pfnSegmentIterator=<unavailable>, pfnBlockHandler=<unavailable>, pInfo=<unavailable>, pCrstHolder=0x00007f0d427fbba0)(HandleTable*, TableSegment*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*), void (*)(TableSegment*, unsigned int, unsigned int, ScanCallbackInfo*), ScanCallbackInfo*, Holder<CrstBase*, &(CrstBase::AcquireLock(CrstBase*)), &(CrstBase::ReleaseLock(CrstBase*)), 0ul, &(int CompareDefault<CrstBase*>(CrstBase*, CrstBase*)), true>*) at handletablescan.cpp:1781
    frame #14: 0x00007f0e1ae7ee71 libcoreclr.so`HndScanHandlesForGC(hTable=0x00005636d227bea0, scanProc=(libcoreclr.so`PromoteObject(Object**, unsigned long*, unsigned long, unsigned long) at objecthandle.cpp:305:5), param1=139694926969976, param2=139698558158720, types=0x00007f0d427fbc28, typeCount=<unavailable>, condemned=2, maxgen=2, flags=2)(Object**, unsigned long*, unsigned long, unsigned long), unsigned long, unsigned long, unsigned int const*, unsigned int, unsigned int, unsigned int, unsigned int) at handletable.cpp:789:9
    frame #15: 0x00007f0e1ae85dfd libcoreclr.so`Ref_TraceNormalRoots(condemned=2, maxgen=2, sc=0x00007f0d427fbc78, fn=(libcoreclr.so`WKS::gc_heap::background_promote(Object**, ScanContext*, unsigned int) at gc.cpp:20553))(Object**, ScanContext*, unsigned int)) at objecthandle.cpp:1059:21
    frame #16: 0x00007f0e1aee7504 libcoreclr.so`WKS::gc_heap::background_mark_phase() at gc.cpp:27932:9
    frame #17: 0x00007f0e1aee6400 libcoreclr.so`WKS::gc_heap::gc1() at gc.cpp:17500:13
    frame #18: 0x00007f0e1af013ac libcoreclr.so`WKS::gc_heap::bgc_thread_function() at gc.cpp:29072:9
    frame #19: 0x00007f0e1adac366 libcoreclr.so`(anonymous namespace)::CreateSuspendableThread(void (*)(void*), void*, char16_t const*)::$_0::__invoke(void*) [inlined] (anonymous namespace)::CreateSuspendableThread(this=<unavailable>, argument=<unavailable>)(void*), void*, char16_t const*)::$_0::operator()(void*) const at gcenv.ee.cpp:1376:17
    frame #20: 0x00007f0e1adac301 libcoreclr.so`(anonymous namespace)::CreateSuspendableThread(argument=<unavailable>)(void*), void*, char16_t const*)::$_0::__invoke(void*) at gcenv.ee.cpp:1356

[jkotas]

GC heap is corrupted. The corrupted objects are System.Xml.Linq.XAttributes used by xunit harness for report.

(lldb) verifyheap
object 00007f0d6c2bffc0 contains free object 00007F0D6C2BFE10 at 00007F0D6C2BFFD8
Last good object: 00007F0D6C2BFE10.
object 00007f0d6c2c7d20 contains free object 00007F0D6C2C7D58 at 00007F0D6C2C7D48
Last good object: 00007F0D6C2C7CE0.
object 00007f0d6c2c83c8 contains free object 00007F0D6C2C8400 at 00007F0D6C2C83E0
Last good object: 00007F0D6C2C8390.
object 00007f0d6c2c89a0 contains free object 00007F0D6C2C89D8 at 00007F0D6C2C89B8
Last good object: 00007F0D6C2C8818.

(lldb) dumpobj 00007f0d6c2bffc0
Name:        System.Xml.Linq.XAttribute
MethodTable: 00007f0da202d968
EEClass:     00007f0da20354e8
Size:        56(0x38) bytes
File:        /home/helixbot/work/A19B08C0/p/shared/Microsoft.NETCore.App/6.0.0/System.Private.Xml.Linq.dll
Fields:
              MT    Field   Offset                 Type VT     Attr            Value Name
00007f0da1cdeb58  40001cf        8 ...l.Linq.XContainer  0 instance 00007f0d6c2bc4a8 parent
00007f0da19d0c18  40001d0       10        System.Object  0 instance 0000000000000000 annotations
00007f0da202d968  400006a       18 ...l.Linq.XAttribute  0 instance 00007f0d6c2bfe10 next
00007f0da202d418  400006b       20 ...em.Xml.Linq.XName  0 instance 00007f0d6c1c9820 name
00007f0da1a97c28  400006c       28        System.String  0 instance 00007f0d6c2bfff8 value
(lldb) gcroot 00007f0d6c2bffc0
Thread 5608:
    00007FFD9F287900 00007F0DA1F58113 Xunit.ConsoleClient.ConsoleRunner.ExecuteAssembly(System.Object, Xunit.XunitProjectAssembly, Boolean, Boolean, System.Nullable`1<Boolean>, System.Nullable`1<Int32>, Boolean, Boolean, System.Nullable`1<Xunit.AppDomainSupport>, Boolean, Boolean, Xunit.XunitFilters, Boolean)
        r14:
            ->  00007F0D6C1B0560 Xunit.DelegatingLongRunningTestDetectionSink
            ->  00007F0D6C1B03F0 Xunit.DelegatingXmlCreationSink
            ->  00007F0D6C1B0480 System.Collections.Generic.Dictionary`2[[System.Guid, System.Private.CoreLib],[System.Xml.Linq.XElement, System.Private.Xml.Linq]]
            ->  00007F0D6C3D9240 System.Collections.Generic.Dictionary`2+Entry[[System.Guid, System.Private.CoreLib],[System.Xml.Linq.XElement, System.Private.Xml.Linq]][]
            ->  00007F0D6C2BC4A8 System.Xml.Linq.XElement
            ->  00007F0D6C2BFFC0 System.Xml.Linq.XAttribute

Found 1 unique roots (run 'gcroot -all' to see all roots).
(lldb)

[jkotas]

This needs more dumps to develop pattern. I do not see any more clues.

[mangod9]

Doesnt look like the test was disabled, so assume this is no longer reproing?