Martin Schwidefsky 6e0de81759 s390/bpf,jit: initialize A register if 1st insn is BPF_S_LDX_B_MSH ...

The A register needs to be initialized to zero in the prolog if the
first instruction of the BPF program is BPF_S_LDX_B_MSH to prevent
leaking the content of %r5 to user space.

Cc: <stable@vger.kernel.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2014-04-25 14:03:25 +02:00

..

bpf_jit_comp.c

s390/bpf,jit: initialize A register if 1st insn is BPF_S_LDX_B_MSH

2014-04-25 14:03:25 +02:00

bpf_jit.S

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Makefile

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