Re: [dpdk-dev] [PATCH v2 0/4] improve runtime loading of shared drivers

[Thomas Monjalon <thomas@monjalon.net>]

22/06/2020 16:33, Bruce Richardson:
> This set includes a number of small improvements for handling the loading
> of drivers at runtime using the EAL -d flag.
> 
> It limits the loading of files to only those files which end in .so, which
> means that one can pass in the whole "drivers/" subfolder from a meson
> build and not get an error when DPDK trys to load a .a file.
> 
> It also puts in some basic permission checking to ensure that no drivers
> are loaded from a world-writable location on the filesystem, which would be
> a potential security hole on a mis-configured system.
> 
> v2: rebased to fix errors on apply
>     fixed one checkpatch issue.
> 
> Bruce Richardson (4):
>   eal: remove unnecessary null-termination
>   eal: only load shared libs from driver plugin directory
>   eal: don't load drivers from insecure paths
>   eal: cache last directory permissions checked

There is an error when running devtools/test-null.sh:

EAL: Error with realpath, No such file or directory
EAL: FATAL: Cannot init plugins