[R-SIG-Mac] Nightly build segfaults

[Prof Brian Ripley]

On 17/11/2021 07:17, Prof Brian Ripley wrote:
> On 16/11/2021 22:28, Gábor Csárdi wrote:
>> This is Monterey:
>> ❯ uname -a
>> Darwin Gabors-MacBook-Pro-3.local 21.1.0 Darwin Kernel Version 21.1.0:
>> Wed Oct 13 17:33:01 PDT 2021; root:xnu-8019.41.5~1/RELEASE_ARM64_T6000
>> arm64
>>
>> The R-devel build segfaults:
>>
>> ❯ curl -O https://mac.r-project.org/monterey/R-devel/arm64/R-devel.tar.gz
>> ❯ sudo tar xzf R-devel.tar.gz -C /
>> ❯ R -q --vanilla
>> zsh: killed     R -q --vanilla
> 
> That is not a segfault, although they have been seen to cause this 
> behaviour.  It more often indicates a security issue: arm64 macOS is 
> prone to doing so with incremental rebuilds of R that it thinks have 
> been tampered with.

With the tarball I get a popup telling me

“R.framework” cannot be opened because the developer cannot be verified.

> Try installing the .pkg.  (Downloading from mac.r-project.org is far too 
> slow at the moment for me to do so, but I recall past troubles with the 
> tarballs not seen with Installer packages.)

And this evening downloads took a few seconds rather then the 2h 
predicted when I wrote that.

The .pkg I tried is unsigned/not notarized so cannot be installed, not 
even with 'Open With'.  But packages are at least sometimes signed.

> 
>>
>> So does the R-4.1 build:
>>
>> ❯ curl -O 
>> https://mac.r-project.org/monterey/R-4.1-branch/arm64/R-4.1-branch.tar.gz
>> ❯ sudo tar xzf R-4.1-branch.tar.gz -C /
>> ❯ R -q --vanilla
>> zsh: killed     R -q --vanilla
>>
>> The big-sur arm64 builds at
>> https://mac.r-project.org/big-sur/R-devel/arm64/R-devel.tar.gz
>> and 
>> https://mac.r-project.org/big-sur/R-4.1-branch/arm64/R-4.1-branch.tar.gz
>> also do the same.
>>
>> I know that another user has seen this as well, so chances are that it
>> is not some issue on my machine. Can anyone reproduce this?
>>
>> Gabor
> 
> 
> 


-- 
Brian D. Ripley,                  ripley using stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford