Dan Riley

Status of tbb::zero_allocator?

8

`tbb::zero_allocator` has disappeared from [tbb_allocator.h](https://github.com/oneapi-src/oneTBB/blob/onetbb_2021/include/oneapi/tbb/tbb_allocator.h) but it still appears in the [oneAPI spec](https://spec.oneapi.com/versions/0.5.0/oneTBB/memory_allocation/zero_allocator.html) and I don't see any changelog or release notes saying that it was removed. What's the status?

CUDA implementation of RecoLocalTracker/SiStripCluster ClustersFromRawProducer

126

#### PR description: Elements are: Structure of Arrays (SoA) version of SiStripClusters. The number of array elements for the cluster ADCs is is configurable at runtime via the PSET: DataFormats/SiStripCluster/interface/SiStripClustersSOABase.h...

WF 280.0 failures on aarch64

11

We're seeing occasional failures of WF 280.0 on aarch64. There's a segfault in TBB during exiting, but the relevant bit is why it's exiting--AMPT is printing the message: ``` A��Fwrong...

RtypesCore.h does not have a signed character type

1

### Check duplicate issues. - [X] Checked for duplicates ### Description The Char_t typedef here: https://github.com/root-project/root/blob/4cf09dc362036e22eaa687cd2566fabb6c8ed693/core/foundation/inc/RtypesCore.h#L37 is incorrect--a bare `char` is not guaranteed to be signed or unsigned. > char...

CTPPS validation: workaround for -O3 ASAN compilation issue

9

#### PR description: With `-O3` optimization in the ASAN builds, `Validation/CTPPS/plugins/ValidationCTPPSPlugins/CTPPSTrackDistributionPlotter.cc` is failing to compile with errors of the form: ``` In file included from src/DataFormats/Common/interface/RefVector.h:18, from src/DataFormats/ProtonReco/interface/ForwardProton.h:14, from src/Validation/CTPPS/plugins/CTPPSProtonReconstructionPlotter.cc:20:...

Infinite(?) recursion in Basic2DGenericTopoClusterizer::buildTopoCluster() in WF 138.3

19

We're getting segmentation faults in WF 138.3 that don't leave a stack trace, particularly in ASAN builds. With a partial debug build, I get a stack trace with over 17,000...

Fatal ROOT error: TH1Merger::CheckForDuplicateLabels

6

Don't think we've seen [this one](https://cmssdt.cern.ch/SDT/cgi-bin/logreader/el8_amd64_gcc12/CMSSW_15_1_X_2025-06-04-1100/pyRelValMatrixLogs/run/250202.183_TTbar_13UP18_RD_IB/step4_TTbar_13UP18_RD_IB.log#/25-25) in a while--WF 250202.183, CMSSW_15_1_X_2025-06-04-1100, el8_amd64_gcc12: ``` ----- Begin Fatal Exception 04-Jun-2025 14:51:37 CEST----------------------- An exception of category 'FatalRootError' occurred while [0] Calling InputSource::readRun_...

Crash in WF 34034.0 HGCalCLUEAlgoT::findAndAssignClusters()

19

I don't think we have an issue for this one, [though it was mentioned](https://github.com/cms-sw/cmssw/issues/47959#issuecomment-2835425188) in #47959. [Stack trace:](https://cmssdt.cern.ch/SDT/cgi-bin/logreader/el8_amd64_gcc12/CMSSW_15_1_X_2025-05-11-0000/pyRelValMatrixLogs/run/34034.0_TTbar_14TeV+Run4D120/step2_TTbar_14TeV+Run4D120.log#/199-199): ``` A fatal system signal has occurred: segmentation violation The following is...

ASAN, UBSAN out-of-bounds in RecoTracker/PixelSeeding caHitNtupletGeneratorKernels::Kernel_find_ntuplets

7

We're getting occasional [ASAN stack-buffer-overflow errors](https://cmssdt.cern.ch/SDT/cgi-bin/logreader/el8_amd64_gcc13/CMSSW_16_0_ASAN_X_2025-11-28-2300/pyRelValMatrixLogs/run/34634.114_TTbar_14TeV+Run4D121PU_OTInefficiency10PC/step2_TTbar_14TeV+Run4D121PU_OTInefficiency10PC.log#/583-583) on WFs 34634.114 and 34634.703, in the region of this block: https://github.com/cms-sw/cmssw/blob/d373bf5f1ca483dc33b7e70f79670125d7fdba96/RecoTracker/PixelSeeding/plugins/alpaka/CACell.h#L229-L243 ASAN: ``` ==1911622==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x146a1b257668 at pc 0x1469f1e04f3d bp...