* using log directory ‘/home/hornik/tmp/CRAN_special_clang-san/graphpcor.Rcheck’ * using R Under development (unstable) (2026-01-15 r89304) * using platform: x86_64-pc-linux-gnu * R was compiled by Debian clang version 21.1.8 (1) Debian flang version 21.1.8 (1) * running under: Debian GNU/Linux forky/sid * using session charset: UTF-8 * checking for file ‘graphpcor/DESCRIPTION’ ... OK * checking extension type ... Package * this is package ‘graphpcor’ version ‘0.1.16’ * package encoding: UTF-8 * checking package namespace information ... OK * checking package dependencies ... INFO Package suggested but not available for checking: ‘INLA’ * checking if this is a source package ... OK * checking if there is a namespace ... OK * checking for executable files ... OK * checking for hidden files and directories ... OK * checking for portable file names ... OK * checking for sufficient/correct file permissions ... OK * checking whether package ‘graphpcor’ can be installed ... [29s/29s] OK * used C compiler: ‘Debian clang version 21.1.8 (1+b1)’ * checking package directory ... OK * checking for future file timestamps ... OK * checking ‘build’ directory ... OK * checking DESCRIPTION meta-information ... OK * checking top-level files ... OK * checking for left-over files ... OK * checking index information ... OK * checking package subdirectories ... OK * checking code files for non-ASCII characters ... OK * checking R files for syntax errors ... OK * checking whether the package can be loaded ... [5s/5s] OK * checking whether the package can be loaded with stated dependencies ... [6s/6s] OK * checking whether the package can be unloaded cleanly ... [6s/6s] OK * checking whether the namespace can be loaded with stated dependencies ... [5s/5s] OK * checking whether the namespace can be unloaded cleanly ... [5s/5s] OK * checking loading without being on the library search path ... [5s/5s] OK * checking use of S3 registration ... OK * checking dependencies in R code ... NOTE refstr.c:79:29: runtime error: member access within null pointer of type 'refstr_t' (aka 'struct refstr_t') #0 0x7ba1c5a16349 in agstrdup /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/graph/refstr.c:79:29 #1 0x7ba1c59ff96b in agNEWgraph /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/graph/graph.c:243:15 #2 0x7ba1c59fee90 in agopen /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/graph/graph.c:291:9 #3 0x7ba1c59f6674 in initproto /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/graph/attribs.c:183:22 #4 0x7ba1c59f6674 in aginitlib /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/graph/attribs.c:332:2 #5 0x7ba1c588c907 in gvContextPlugins /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/graphviz/lib/gvc/gvc.c:61:5 #6 0x7ba1c5610856 in Rgraphviz_init /home/hornik/tmp/scratch/RtmpJQPPEF/R.INSTALL32efb2253c0e85/Rgraphviz/src/init.c:29:11 #7 0x7fa1ec13bcaa in R_doDotCall /home/hornik/src/R/src/main/dotcode.c:751:11 #8 0x7fa1ec194bec in do_dotcall /home/hornik/src/R/src/main/dotcode.c:1437:11 #9 0x7fa1ec2e71d6 in bcEval_loop /home/hornik/src/R/src/main/eval.c:8132:14 #10 0x7fa1ec29ba34 in bcEval /home/hornik/src/R/src/main/eval.c:7515:16 #11 0x7fa1ec29a16f in Rf_eval /home/hornik/src/R/src/main/eval.c:1167:8 #12 0x7fa1ec2a499b in R_execClosure /home/hornik/src/R/src/main/eval.c:2389:22 #13 0x7fa1ec2a0293 in applyClosure_core /home/hornik/src/R/src/main/eval.c:2302:16 #14 0x7fa1ec29aaef in Rf_applyClosure /home/hornik/src/R/src/main/eval.c:2324:16 #15 0x7fa1ec29aaef in Rf_eval /home/hornik/src/R/src/main/eval.c:1280:12 #16 0x7fa1ec3df3f5 in Rf_ReplIteration /home/hornik/src/R/src/main/main.c:264:15 #17 0x7fa1ec3e2550 in R_ReplConsole /home/hornik/src/R/src/main/main.c:317:11 #18 0x7fa1ec3e2364 in run_Rmainloop /home/hornik/src/R/src/main/main.c:1235:5 #19 0x7fa1ec3e264a in Rf_mainloop /home/hornik/src/R/src/main/main.c:1242:5 #20 0x55ef1e14d004 in main /home/hornik/src/R/src/main/Rmain.c:29:5 #21 0x7fa1eb429f74 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #22 0x7fa1eb42a026 in __libc_start_main csu/../csu/libc-start.c:360:3 #23 0x55ef1e062380 in _start (/home/hornik/tmp/R-d-clang-xtra/bin/exec/R+0x2c380) (BuildId: bc88c46ef9240773c07d57c927010d00876dfe01) SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior refstr.c:79:29 * checking S3 generic/method consistency ... OK * checking replacement functions ... OK * checking foreign function calls ... OK * checking R code for possible problems ... [38s/38s] OK * checking Rd files ... [1s/1s] OK * checking Rd metadata ... OK * checking Rd line widths ... OK * checking Rd cross-references ... OK * checking for missing documentation entries ... OK * checking for code/documentation mismatches ... OK * checking Rd \usage sections ... OK * checking Rd contents ... OK * checking for unstated dependencies in examples ... OK * checking line endings in C/C++/Fortran sources/headers ... OK * checking line endings in Makefiles ... OK * checking compilation flags in Makevars ... OK * checking for GNU extensions in Makefiles ... OK * checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK * checking use of PKG_*FLAGS in Makefiles ... OK * checking use of SHLIB_OPENMP_*FLAGS in Makefiles ... OK * checking pragmas in C/C++ headers and code ... OK * checking compilation flags used ... OK * checking compiled code ... OK * checking installed files from ‘inst/doc’ ... OK * checking files in ‘vignettes’ ... OK * checking examples ... [9s/9s] OK * checking for unstated dependencies in ‘demo’ ... OK * checking for unstated dependencies in vignettes ... OK * checking package vignettes ... OK * checking re-building of vignette outputs ... [1s/1s] OK * checking PDF version of manual ... [5s/5s] OK * checking HTML version of manual ... [4s/4s] OK * checking for non-standard things in the check directory ... OK * checking for detritus in the temp directory ... OK * DONE Status: 1 NOTE