Edward Cree 655da3da9b bpf/verifier: fix min/max handling in BPF_SUB ...

[ Upstream commit 9305706c2e808ae59f1eb201867f82f1ddf6d7a6 ]

We have to subtract the src max from the dst min, and vice-versa, since
 (e.g.) the smallest result comes from the largest subtrahend.

Fixes: 484611357c ("bpf: allow access into map value arrays")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-08-30 10:21:44 +02:00

..

arraymap.c

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core.c

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hashtab.c

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helpers.c

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inode.c

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Makefile

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percpu_freelist.c

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percpu_freelist.h

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stackmap.c

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syscall.c

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verifier.c

bpf/verifier: fix min/max handling in BPF_SUB

2017-08-30 10:21:44 +02:00