R Under development (unstable) (2026-07-04 r90207) -- "Unsuffered Consequences"
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> library(lme4)
Loading required package: Matrix
> 
> if (.Platform$OS.type != "windows") {
+ data(Orthodont, package="nlme")
+ fm1 <- lmer(distance ~ age + (age|Subject), data = Orthodont)
+ VarCorr(fm1)
+ 
+ fm2ML <- lmer(diameter ~ 1 + (1|plate) + (1|sample), Penicillin, REML=0)
+ VarCorr(fm2ML)
+ 
+ gm1 <- glmer(cbind(incidence,size-incidence) ~ period + (1|herd),data=cbpp,
+              family=binomial)
+ VarCorr(gm1)
+ 
+ cbpp$obs <- factor(seq(nrow(cbpp)))
+ gm2 <- update(gm1,.~.+(1|obs))
+ VarCorr(gm2)
+ 
+ if (FALSE) {
+   ## testing lme4/lme4 incompatibility
+ ##  library(lme4)
+   VarCorr(fm1)
+   lme4:::VarCorr.merMod(fm1) ## OK
+ }
+ } ## skip on windows (for speed)
=================================================================
==636957==ERROR: AddressSanitizer: heap-use-after-free on address 0x7cd1883a80b0 at pc 0x7b117411593c bp 0x7ffdad40be70 sp 0x7ffdad40be68
READ of size 16 at 0x7cd1883a80b0 thread T0
    #0 0x7b117411593b in Eigen::internal::product_evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, 8, Eigen::DiagonalShape, Eigen::DenseShape, double, double>::coeff(long, long) const /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/ProductEvaluators.h:925:46
    #1 0x7b117411593b in Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>::assignCoeff(long, long) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:654:58
    #2 0x7b117411593b in Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>::assignCoeffByOuterInner(long, long) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:668:5
    #3 0x7b117411593b in Eigen::internal::dense_assignment_loop<Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>, 0, 0>::run(Eigen::internal::generic_dense_assignment_kernel<Eigen::internal::evaluator<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>, Eigen::internal::evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>, Eigen::internal::assign_op<double, double>, 0>&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:347:16
    #4 0x7b117411593b in void Eigen::internal::call_dense_assignment_loop<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:785:3
    #5 0x7b117411593b in Eigen::internal::Assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>, Eigen::internal::Dense2Dense, void>::run(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:954:5
    #6 0x7b117411593b in void Eigen::internal::call_assignment_no_alias<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:890:3
    #7 0x7b117411593b in void Eigen::internal::call_assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, Eigen::internal::assign_op<double, double>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&, Eigen::internal::assign_op<double, double> const&, Eigen::internal::enable_if<!evaluator_assume_aliasing<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>::value, void*>::type) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:858:3
    #8 0x7b117411593b in void Eigen::internal::call_assignment<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>&, Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/AssignEvaluator.h:836:3
    #9 0x7b117411593b in Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>& Eigen::MatrixBase<Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>>::operator=<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::DenseBase<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/Assign.h:66:3
    #10 0x7b117411593b in Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>& Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>::operator=<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>>(Eigen::DenseBase<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>> const&) /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/Map.h:162:5
    #11 0x7b117411593b in lme4::merPredD::updateXwts(Eigen::Array<double, -1, 1, 0, -1, 1> const&) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/predModule.cpp:221:30
    #12 0x7b11740a3cd2 in internal_glmerWrkIter(lme4::merPredD*, lme4::glmResp*, bool) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:274:13
    #13 0x7b11740a3cd2 in pwrssUpdate(lme4::glmResp*, lme4::merPredD*, bool, double, int, int) /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:330:20
    #14 0x7b11740a2bc8 in glmerLaplace /data/gannet/ripley/R/packages/tests-clang-ASAN/lme4/src/external.cpp:386:9
    #15 0x55b761624b06 in R_doDotCall /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:770:11
    #16 0x55b7616e8d2d in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8700:21
    #17 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #18 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #19 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #20 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #21 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #22 0x55b7616cfd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #23 0x55b761728bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #24 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #25 0x55b761726269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #26 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #27 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #28 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #29 0x55b7616f0eba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #30 0x55b7616f0eba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #31 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #32 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #33 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #34 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #35 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #36 0x55b7616cfd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #37 0x55b761728bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #38 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #39 0x55b761726269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #40 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #41 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #42 0x55b7617a0be1 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264:23
    #43 0x55b7617a3410 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317:11
    #44 0x55b7617a3410 in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235:5
    #45 0x55b7617a34a2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242:5
    #46 0x55b7614a4d3c in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29:5
    #47 0x7f118b711574 in __libc_start_call_main (/lib64/libc.so.6+0x3574) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #48 0x7f118b711627 in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x3627) (BuildId: 92b5376d35bb29c098175948cf3e7cbcae3aeae1)
    #49 0x55b7613bc7d4 in _start (/data/gannet/ripley/R/clang-ASAN/bin/exec/R+0x17d4)

0x7cd1883a80b0 is located 48 bytes inside of 1840-byte region [0x7cd1883a8080,0x7cd1883a87b0)
freed by thread T0 here:
    #0 0x55b761461916 in free /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:51:3
    #1 0x55b7617be31b in ReleaseLargeFreeVectors /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1167:7
    #2 0x55b7617be31b in RunGenCollect /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:1951:5
    #3 0x55b7617b118b in R_gc_internal /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:3237:19
    #4 0x55b7617ae195 in Rf_cons /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2488:2
    #5 0x55b7617161b3 in promiseArgsEx /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3789:26
    #6 0x55b76172fc4e in Rf_promiseArgs /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3854:12
    #7 0x55b76172fc4e in Rf_DispatchOrEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:4186:14
    #8 0x55b761903a0a in R_DispatchOrEvalSP /data/gannet/ripley/R/svn/R-devel/src/main/subset.c:671:16
    #9 0x55b761910b2f in do_subset3 /data/gannet/ripley/R/svn/R-devel/src/main/subset.c:1264:8
    #10 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #11 0x55b7616cf541 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1219:19
    #12 0x55b761726269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #13 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #14 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #15 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #16 0x55b7616f0eba in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #17 0x55b7616f0eba in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8121:16
    #18 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #19 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #20 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #21 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #22 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #23 0x55b7616cfd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #24 0x55b761728bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8
    #25 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #26 0x55b761726269 in do_begin /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3001:10
    #27 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #28 0x55b7616cf840 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1230:12
    #29 0x55b7617a0be1 in Rf_ReplIteration /data/gannet/ripley/R/svn/R-devel/src/main/main.c:264:23
    #30 0x55b7617a3410 in R_ReplConsole /data/gannet/ripley/R/svn/R-devel/src/main/main.c:317:11
    #31 0x55b7617a3410 in run_Rmainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1235:5
    #32 0x55b7617a34a2 in Rf_mainloop /data/gannet/ripley/R/svn/R-devel/src/main/main.c:1242:5
    #33 0x55b7614a4d3c in main /data/gannet/ripley/R/svn/R-devel/src/main/Rmain.c:29:5

previously allocated by thread T0 here:
    #0 0x55b761461bb4 in malloc /home/runner/work/llvm-project/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:67:3
    #1 0x55b7617abc7c in Rf_allocVector3 /data/gannet/ripley/R/svn/R-devel/src/main/memory.c:2894:7
    #2 0x55b76150432b in Rf_allocVector /data/gannet/ripley/R/svn/R-devel/src/include/Rinlinedfuns.h:609:12
    #3 0x55b76150432b in Rf_allocMatrix /data/gannet/ripley/R/svn/R-devel/src/main/array.c:236:17
    #4 0x7b117ac9c0ce in modelmatrix /data/gannet/ripley/R/svn/R-devel/src/library/stats/src/model.c:676:17
    #5 0x55b761619365 in do_External /data/gannet/ripley/R/svn/R-devel/src/main/dotcode.c:573:11
    #6 0x55b7616dd77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #7 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #8 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #9 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #10 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #11 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #12 0x55b7617dde14 in dispatchMethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:473:16
    #13 0x55b7617dca98 in Rf_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:523:9
    #14 0x55b7617df073 in do_usemethod /data/gannet/ripley/R/svn/R-devel/src/main/objects.c:579:9
    #15 0x55b7616e2f93 in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8170:15
    #16 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #17 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #18 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #19 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #20 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #21 0x55b7616cfd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #22 0x55b76172d653 in do_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3975:13
    #23 0x55b7616dd77a in bcEval_loop /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:8150:14
    #24 0x55b7616d0d74 in bcEval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:7533:16
    #25 0x55b7616cf301 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1167:8
    #26 0x55b761717a9c in R_execClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2398:39
    #27 0x55b761716c58 in applyClosure_core /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2314:16
    #28 0x55b7616d23be in Rf_applyClosure /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:2333:16
    #29 0x55b7616cfd28 in Rf_eval /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:1278:12
    #30 0x55b761728bc5 in do_set /data/gannet/ripley/R/svn/R-devel/src/main/eval.c:3585:8

SUMMARY: AddressSanitizer: heap-use-after-free /data/gannet/ripley/R/test-clang/RcppEigen/include/Eigen/src/Core/ProductEvaluators.h:925:46 in Eigen::internal::product_evaluator<Eigen::Product<Eigen::DiagonalWrapper<Eigen::Map<Eigen::Matrix<double, -1, 1, 0, -1, 1>, 0, Eigen::Stride<0, 0>> const>, Eigen::Map<Eigen::Matrix<double, -1, -1, 0, -1, -1>, 0, Eigen::Stride<0, 0>>, 1>, 8, Eigen::DiagonalShape, Eigen::DenseShape, double, double>::coeff(long, long) const
Shadow bytes around the buggy address:
  0x7cd1883a7e00: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a7e80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a7f00: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
  0x7cd1883a7f80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x7cd1883a8000: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x7cd1883a8080: fd fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd
  0x7cd1883a8100: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a8180: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a8200: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a8280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x7cd1883a8300: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==636957==ABORTING