[LTP] [PATCH] syscalls/execve06: Add test for argv[0] = NULL

[Cyril Hrubis]

Hi!
> > in order to fix all potential CVEs where userspace programs attempt to
> > blindly process the argv[] list starting at argv[1]. There was at least
> > one example of this caught in the wild CVE-2021-4034 in polkit but there
> > are likely more.
> 
> Great, thanks for addressing this.
> 
> > Fixes: #911
> 
> >  testcases/kernel/syscalls/execve/.gitignore   |  2 +
> >  testcases/kernel/syscalls/execve/execve06.c   | 49 +++++++++++++++++++
> >  .../kernel/syscalls/execve/execve06_child.c   | 27 ++++++++++
> >  3 files changed, 78 insertions(+)
> >  create mode 100644 testcases/kernel/syscalls/execve/execve06.c
> >  create mode 100644 testcases/kernel/syscalls/execve/execve06_child.c
> 
> This should go to runtest/syscalls and runtest/cve, right?
> (can be fixed before merge).

Sigh, sorry, I did forget about these.

-- 
Cyril Hrubis
chrubis@suse.cz