From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] bpf: fix liveness propagation to parent in
 spilled stack slots
Date: Thu, 17 Aug 2017 10:16:11 -0700 (PDT)
Message-ID: <20170817.101611.23983207839678338.davem@davemloft.net>
References: <058693b94f456324fd1a3d5946fa486e3a09ca06.1502974643.git.daniel@iogearbox.net>
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From: Daniel Borkmann <daniel@iogearbox.net>
Date: Thu, 17 Aug 2017 14:59:40 +0200

> Using parent->regs[] when propagating REG_LIVE_READ for spilled regs
> doesn't work since parent->regs[] denote the set of normal registers
> but not spilled ones. Propagate to the correct regs.
> 
> Fixes: dc503a8ad984 ("bpf/verifier: track liveness for pruning")
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
> Acked-by: Edward Cree <ecree@solarflare.com>

Applied.