[PATCH] arm64: bpf: fix mod-by-zero case
catalin.marinas at arm.com
Fri Nov 6 09:00:16 PST 2015
On Wed, Nov 04, 2015 at 08:43:59PM -0800, Zi Shen Lim wrote:
> Turns out in the case of modulo by zero in a BPF program:
> A = A % X; (X == 0)
> the expected behavior is to terminate with return value 0.
> The bug in JIT is exposed by a new test case .
>  https://lkml.org/lkml/2015/11/4/499
> Signed-off-by: Zi Shen Lim <zlim.lnx at gmail.com>
> Reported-by: Yang Shi <yang.shi at linaro.org>
> Reported-by: Xi Wang <xi.wang at gmail.com>
> CC: Alexei Starovoitov <ast at plumgrid.com>
> CC: Catalin Marinas <catalin.marinas at arm.com>
> Fixes: e54bcde3d69d ("arm64: eBPF JIT compiler")
> Cc: <stable at vger.kernel.org> # 3.18+
> This patch applies on top of "arm64: bpf: fix fiv-by-zero case" .
Both patches applied. Thanks.
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