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Date: Wed, 6 Dec 2017 17:47:45 -0800 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Edward Cree <ecree@...arflare.com> Cc: davem <davem@...emloft.net>, netdev@...r.kernel.org, Jann Horn <jannh@...gle.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net> Subject: Re: [PATCH net 1/2] bpf/verifier: fix bounds calculation on BPF_RSH On Tue, Dec 05, 2017 at 11:44:14AM -0800, Alexei Starovoitov wrote: > On Tue, Dec 05, 2017 at 07:15:18PM +0000, Edward Cree wrote: > > Incorrect signed bounds were being computed, although this had no effect > > since the propagation in __reg_deduce_bounds() happened to overwrite them. > > > > Fixes: b03c9f9fdc37 ("bpf/verifier: track signed and unsigned min/max values") > > Reported-by: Jann Horn <jannh@...gle.com> > > Signed-off-by: Edward Cree <ecree@...arflare.com> > > Acked-by: Alexei Starovoitov <ast@...nel.org> turned out this one is incomplete fix. The more complete set from Jann and Ed will be coming.
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