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Date: Mon, 13 May 2019 09:55:33 -0700 (PDT) From: David Miller <davem@...emloft.net> To: edumazet@...gle.com Cc: ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org, eric.dumazet@...il.com, bpf@...r.kernel.org, syzkaller@...glegroups.com, ppenkov@...gle.com, sdf@...gle.com Subject: Re: [PATCH net] flow_dissector: disable preemption around BPF calls From: Eric Dumazet <edumazet@...gle.com> Date: Mon, 13 May 2019 09:38:55 -0700 > Various things in eBPF really require us to disable preemption > before running an eBPF program. > > syzbot reported : . .. > Fixes: d58e468b1112 ("flow_dissector: implements flow dissector BPF hook") > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > Reported-by: syzbot <syzkaller@...glegroups.com> Applied and queued up for -stable.
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