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Bug#833183: Linux 4.6.4-1: Please enable seccomp support in the kernel config on all platforms.



Control: severity -1 serious
Control: retitle -1 seccomp is not enabled on ARM architectures
Control: found -1 3.16.7-ckt25-2+deb8u3

On Mon, 1 Aug 2016 22:33:53 +0200 Karsten Merker <merker@debian.org> wrote:
> Source: linux
> Version: 4.6.4-1
> 
> Hello,
> 
> please enable CONFIG_SECCOMP on all platforms.

We can do that for all the release architectures, but not for all
architectures as this feature has not been implemented for alpha and
m68k.

[...]
> From looking the linux package sources, it looks like seccomp
> isn't enabled on any arm platform:

Right.

> $ rgrep -i seccomp debian/config/
> debian/config/kernelarch-x86/config:CONFIG_SECCOMP=y
> debian/config/sh4/config:CONFIG_SECCOMP=y
> debian/config/kernelarch-powerpc/config:CONFIG_SECCOMP=y
> debian/config/kernelarch-mips/config:CONFIG_SECCOMP=y
> debian/config/s390x/config:CONFIG_SECCOMP=y
> debian/config/kernelarch-sparc/config:CONFIG_SECCOMP=y

Unfortunately CONFIG_SECCOMP is defined in architecture-specific
Kconfig files which means we can't simply enable it in
debian/config/config as I would like to.

This is a major oversight and I'm astonished it hasn't been reported
before.  I think we ought to fix this in jessie too where possible.
However Linux 3.16 did not include seccomp support for arm64 so this
could be a pain for upgrades to stretch.

Ben.

-- 
Ben Hutchings
Tomorrow will be cancelled due to lack of interest.

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