[PATCH 1/2] KVM: PPC: e500: fix some NULL dereferences on error

Paul Mackerras paulus at ozlabs.org
Mon Jul 31 16:03:40 AEST 2017

On Thu, Jul 13, 2017 at 10:38:29AM +0300, Dan Carpenter wrote:
> There are some error paths in kvmppc_core_vcpu_create_e500() where we
> forget to set the error code.  It means that we return ERR_PTR(0) which
> is NULL and it results in a NULL pointer dereference in the caller.
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Are these user-triggerable, and therefore needing to go into 4.13
and be back-ported to the stable trees?  Or can they wait for 4.14?


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