seqfault error: pointer being freed was not allocated

[Dominik Schneider]

Hi - I can't track down why my program is give me a segfault error. Unfortunately I can't even really debug because R shuts down..... has anyone seen this error before?  and can someone direct how to "set a breakpoint in malloc_error_break" ?

 *** caught segfault ***
address 0x0, cause 'unknown'
R(1256,0x7fff7cf71310) malloc: *** error for object 0x7fd4e62b8ca0: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug

however, sometimes I just get
 *** caught segfault ***
address 0x0, cause 'unknown'

a working example can be downloaded here.

[Dominik Schneider]

I realized i forgot my sessionInfo()
> sessionInfo()
R version 3.1.3 (2015-03-09)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.9.5 (Mavericks)

locale:
[1] en_US/en_US/en_US/C/en_US/en_US

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base    

other attached packages:
[1] gstat_1.0-22  rgdal_0.9-2   raster_2.3-40 sp_1.0-17     ipred_0.9-4 
[6] MASS_7.3-39   plyr_1.8.1  

loaded via a namespace (and not attached):
 [1] class_7.3-12     FNN_1.1          grid_3.1.3       intervals_0.15.0
 [5] lattice_0.20-31  lava_1.4.0       nnet_7.3-9       prodlim_1.5.1  
 [9] Rcpp_0.11.5      rpart_4.1-9      spacetime_1.1-3  splines_3.1.3  
[13] survival_2.38-1  xts_0.9-7        zoo_1.7-12