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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-17 14:05:26 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-18 14:45:33 +0800 |
| commit | 31267270a355945e172de4927140dd26ff292461 (patch) | |
| tree | c4dc7ff55e362a3e8cbd78379d1c0c82afb685d2 /crypto/tcrypt.c | |
| parent | 4e4aab63d7456fb3db108ad8eead8e330d5fb958 (diff) | |
| download | lwn-31267270a355945e172de4927140dd26ff292461.tar.gz lwn-31267270a355945e172de4927140dd26ff292461.zip | |
crypto: tcrypt - Fixed AEAD speed test setup
The AEAD speed test SG list setup did not correctly mark the AD,
potentially causing a crash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/tcrypt.c')
| -rw-r--r-- | crypto/tcrypt.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 5146367f4a1f..9f6f10b498ba 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -258,12 +258,12 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE], rem = buflen % PAGE_SIZE; } - sg_init_table(sg, np); + sg_init_table(sg, np + 1); np--; for (k = 0; k < np; k++) - sg_set_buf(&sg[k], xbuf[k], PAGE_SIZE); + sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE); - sg_set_buf(&sg[k], xbuf[k], rem); + sg_set_buf(&sg[k + 1], xbuf[k], rem); } static void test_aead_speed(const char *algo, int enc, unsigned int secs, @@ -337,8 +337,6 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs, do { assoc = axbuf[0]; memset(assoc, 0xff, aad_size); - sg_set_buf(&sg[0], assoc, aad_size); - sg_set_buf(&sgout[0], assoc, aad_size); if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) { pr_err("template (%u) too big for tvmem (%lu)\n", @@ -374,12 +372,15 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs, goto out; } - sg_init_aead(&sg[1], xbuf, + sg_init_aead(sg, xbuf, *b_size + (enc ? authsize : 0)); - sg_init_aead(&sgout[1], xoutbuf, + sg_init_aead(sgout, xoutbuf, *b_size + (enc ? authsize : 0)); + sg_set_buf(&sg[0], assoc, aad_size); + sg_set_buf(&sgout[0], assoc, aad_size); + aead_request_set_crypt(req, sg, sgout, *b_size, iv); aead_request_set_ad(req, aad_size); |