On 3/12/19 9:57 PM, Ben Hutchings wrote: > On Tue, 2019-03-12 at 19:04 +0100, Christoph Müllner wrote: >> I've been able to reproduce and analyse this issue. >> >> The security error seems to be valid. > [...] > > I don't see a security issue here. The kernel does not and should not > stop root breaking the system with direct access to /dev/mem, *unless* > Secure Boot / lockdown is active - and in that case access to /dev/mem > is blocked completely.
You are right. There is no security error. SError stands for system error.
