Kernel warns of executable stack

[Christophe Leroy]

Hi,

Christophe

Le 23/04/2020 à 03:13, Chris Packham a écrit :
> Hi,
> 
> I'm just in the process of updating our products to Linux v5.6 and one
> of them produces a new warning message from the kernel about busybox
> (v1.31.1)
> 
>    kernel: process '/bin/busybox' started with executable stack

Got similar discussion about klibc 2 monthes ago, look at 
https://lists.zytor.com/archives/klibc/2020-February/004271.html

> 
> The target in question is a mips64 (octeon3). We have other targets
> (mips32, armv7, ppc32, ppc64) which don't complain.
> 
> Some searching led me to
> 
> https://lore.kernel.org/lkml/20191208171918.GC19716@avx2/
> 
> Which suggests I should be filing a bug report with the vendor so here
> I am.

Did you have a look into busybox bugzilla ? https://bugs.busybox.net/

> 
> Here's some readelf output from the binary

Can you perform "objdump -x " on your binary ?

Christophe