bpf: reset id on CONST_IMM transition

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Whenever we set the register to the type CONST_IMM, we currently don't
reset the id to 0. id member is not used in CONST_IMM case, so don't
let it become stale, where pruning won't be able to match later on.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Daniel Borkmann 2017-06-11 00:50:42 +02:00 • committed by David S. Miller

parent d25da6caa2

commit 4a2ff55aa4

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kernel/bpf/verifier.c

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