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From: Liam Merwick <liam.merwick@oracle.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
        "linux-kernel@vger.kernel.org"
	<linux-kernel@vger.kernel.org>,
        "kvm@vger.kernel.org" <kvm@vger.kernel.org>
CC: "stable@vger.kernel.org" <stable@vger.kernel.org>,
        Liam Merwick
	<liam.merwick@oracle.com>
Subject: Re: [PATCH v2] virt: guest_memfd: fix reference leak on hwpoisoned
 page
Thread-Topic: [PATCH v2] virt: guest_memfd: fix reference leak on hwpoisoned
 page
Thread-Index: AQHau+mxihI7n/iY+EeIbA2JtpN3sbHEHMeA
Date: Wed, 12 Jun 2024 12:21:29 +0000
Message-ID: <033dc666-2158-473d-8ce0-a1f172a77a0c@oracle.com>
References: <20240611102515.48048-1-pbonzini@redhat.com>
In-Reply-To: <20240611102515.48048-1-pbonzini@redhat.com>
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On 11/06/2024 11:25, Paolo Bonzini wrote:=0A=
> If __kvm_gmem_get_pfn() detects an hwpoisoned page, it returns -EHWPOISON=
=0A=
> but it does not put back the reference that kvm_gmem_get_folio() had=0A=
> grabbed.  Add the forgotten folio_put().=0A=
> =0A=
> Fixes: a7800aa80ea4 ("KVM: Add KVM_CREATE_GUEST_MEMFD ioctl() for guest-s=
pecific backing memory")=0A=
> Cc: stable@vger.kernel.org=0A=
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>=0A=
=0A=
=0A=
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>=0A=
=0A=
=0A=