Re: [PATCH v2] virt: guest_memfd: fix reference leak on hwpoisoned page

[Isaku Yamahata]

On Tue, Jun 11, 2024 at 06:25:15AM -0400,
Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:

> If __kvm_gmem_get_pfn() detects an hwpoisoned page, it returns -EHWPOISON
> but it does not put back the reference that kvm_gmem_get_folio() had
> grabbed.  Add the forgotten folio_put().
> 
> Fixes: a7800aa80ea4 ("KVM: Add KVM_CREATE_GUEST_MEMFD ioctl() for guest-specific backing memory")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Reviewed-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>

-- 
Isaku Yamahata <isaku.yamahata@xxxxxxxxx>