From: Daniel Borkmann
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:
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
Signed-off-by: