Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: algif_skcipher - Cap recv SG list at ctx->used
Somewhere along the line the cap on the SG list length for receive
was lost. This patch restores it and removes the subsequent test
which is now redundant.
Fixes: 2d97591ef43d ("crypto: af_alg - consolidation of...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+1
-5
+1
-5
crypto/algif_skcipher.c
+1
-5
crypto/algif_skcipher.c
···
74
74
return PTR_ERR(areq);
75
75
76
76
/* convert iovecs of output buffers into RX SGL */
77
-
err = af_alg_get_rsgl(sk, msg, flags, areq, -1, &len);
77
+
err = af_alg_get_rsgl(sk, msg, flags, areq, ctx->used, &len);
78
78
if (err)
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goto free;
80
-
81
-
/* Process only as much RX buffers for which we have TX data */
82
-
if (len > ctx->used)
83
-
len = ctx->used;
84
80
85
81
/*
86
82
* If more buffers are to be expected to be processed, process only