diff options
| author | Zi Shen Lim <zlim.lnx@gmail.com> | 2015-11-04 20:43:59 -0800 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2015-11-06 16:58:48 +0000 |
| commit | 14e589ff4aa3f28a5424e92b6495ecb8950080f7 (patch) | |
| tree | 7ca405fec1a9c34a6d1e2fd00ceb50cdbc9995b5 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 251599e1d6906621f49218d7b474ddd159e58f3b (diff) | |
arm64: bpf: fix mod-by-zero case
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 [1].
[1] https://lkml.org/lkml/2015/11/4/499
Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com>
Reported-by: Yang Shi <yang.shi@linaro.org>
Reported-by: Xi Wang <xi.wang@gmail.com>
CC: Alexei Starovoitov <ast@plumgrid.com>
Fixes: e54bcde3d69d ("arm64: eBPF JIT compiler")
Cc: <stable@vger.kernel.org> # 3.18+
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions