Messages in this thread | | | Date | Tue, 27 Jul 2021 16:47:58 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] virt: acrn: Do hcall_destroy_vm() before resource release |
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On Thu, Jul 22, 2021 at 02:27:36PM +0800, Fei Li wrote: > From: Shuo Liu <shuo.a.liu@intel.com> > > The ACRN hypervisor has scenarios which could run a real-time guest VM. > The real-time guest VM occupies dedicated CPU cores, be assigned with > dedicated PCI devices. It can run without the Service VM after boot up. > hcall_destroy_vm() returns failure when a real-time guest VM refuses. > The clearing of flag ACRN_VM_FLAG_DESTROYED causes some kernel resource > double-freed in a later acrn_vm_destroy(). > > Do hcall_destroy_vm() before resource release to drop this chance to > destroy the VM if hypercall fails. > > Fixes: 9c5137aedd11 ("virt: acrn: Introduce VM management interfaces") > Signed-off-by: Shuo Liu <shuo.a.liu@intel.com> > Signed-off-by: Fei Li <fei1.li@intel.com> > ---
Do you also want this backported to older kernels? If so, you need to put a cc: stable in here, right? I'll go add it myself, but be more careful next time please.
greg k-h
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