On Mon, May 25, 2015 at 07:53:41PM +0800, Herbert Xu wrote:
> On Mon, May 25, 2015 at 01:50:55PM +0200, Stephan Mueller wrote:
> >
> > When you have my code local, simply execute libkcapi/test/kcapi -y twice or
> > three times. That triggered the crash.
>
> Aha that's what I was missing. I'll look into the crash.
OK I forgot to initialise the SG list. This patch fixes it for me.
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 1d08483..35556a6 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -454,6 +454,7 @@ static int aead_recvmsg(struct socket *sock, struct msghdr
*msg, size_t ignored,
if (usedpages < outlen)
goto unlock;
+ sg_init_table(dstbuf, ALG_MAX_PAGES + 1);
sg_mark_end(sgl->sg + sgl->cur);
assoclen = ctx->aead_assoclen;
/*
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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