Messages in this thread | | | Date | Mon, 19 Mar 2012 17:42:41 -0400 (EDT) | Subject | Re: [PATCH] net: bpf_jit: fix BPF_S_LDX_B_MSH compilation | From | David Miller <> |
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From: Eric Dumazet <eric.dumazet@gmail.com> Date: Sun, 18 Mar 2012 05:40:48 -0700
> [PATCH] net: bpf_jit: fix BPF_S_LDX_B_MSH compilation > > Matt Evans spotted that x86 bpf_jit was incorrectly handling negative > constant offsets in BPF_S_LDX_B_MSH instruction. > > We need to abort JIT compilation like we do in common_load so that > filter uses the interpreter code and can call __load_pointer() > > Reference: http://lists.openwall.net/netdev/2011/07/19/11 > > Thanks to Indan Zupancic to bring back this issue. > > Reported-by: Matt Evans <matt@ozlabs.org> > Reported-by: Indan Zupancic <indan@nul.nu> > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied and even though libpcap won't generate this I'll queue it up to -stable anyways.
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