[Rd] with(x, Recall()) Crash

From: McGehee, Robert <Robert.McGehee_at_geodecapital.com>
Date: Tue, 06 Jul 2010 17:38:10 -0400

I discovered a segfault in my R code that boiled down to my incorrect use of the Recall() function embedded within a with() function. Since segfaults are generally bad things, even when it's the user's fault for writing nonsense code, I thought I'd pass along the offending code. I've tested the crash on R 2.11.1 (on Linux and Mac), but not in devel versions of R.

HTH, Robert

> x <- 1
> with(x, Recall())

*** caught segfault ***
address 0x1db, cause 'memory not mapped'


  1. eval(expr, envir, enclos)
  2. Recall()
  3. eval(expr, envir, enclos)
  4. eval(substitute(expr), data, enclos = parent.frame())
  5. with.default(x, Recall())
  6. with(x, Recall())

> R.version

platform       x86_64-unknown-linux-gnu
arch           x86_64
os             linux-gnu
system         x86_64, linux-gnu
major          2
minor          11.1
year           2010
month          05
day            31
svn rev        52157
language       R

version.string R version 2.11.1 (2010-05-31)

Robert McGehee, CFA
Geode Capital Management, LLC
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