Naveen N. Rao e90a7ecde5 powerpc/bpf: use unsigned division instruction for 64-bit operations ...

commit 758f2046ea upstream.

BPF_ALU64 div/mod operations are currently using signed division, unlike
BPF_ALU32 operations. Fix the same. DIV64 and MOD64 overflow tests pass
with this fix.

Fixes: 156d0e290e ("powerpc/ebpf/jit: Implement JIT compiler for extended BPF")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-07-10 09:55:33 +02:00

..

asm

powerpc/bpf: use unsigned division instruction for 64-bit operations

2019-07-10 09:55:33 +02:00

uapi/asm

KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state

2017-01-09 08:32:22 +01:00