On Mon, Aug 31, 2009 at 11:11:42AM -0500, Brad Bosch wrote: > > OK. I was looking for something subtle because the crash takes a long > time to happen. But do you agree that the race I described above also > a real bug? No I don't think it is. CHAINV_STATE_INUSE guarantees that only one entity can use ctx->err at any time. > Yes, I see that this bug must be the bug we would likely encounter first. > Apparently, async_chainiv_do_postponed was never tested? But I don't > see how the patch you proposed below helps. We still don't seem to be > returning NULL from skcipher_dequeue_givcrypt when we reach the end of > the queue because __crypto_dequeue_request is not checking for NULL > before it subtracts offset. Where we subtract the offset the pointer can never be NULL. Please try my patch. Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html