In case buffer length is a multiple of PAGE_SIZE, the S/G table is incorrectly generated. Fix this by handling buflen = k * PAGE_SIZE separately. Signed-off-by: Robert Baronescu <robert.baronescu@xxxxxxx> --- crypto/tcrypt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 0022a18..bd9b66c 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -221,11 +221,13 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE], } sg_init_table(sg, np + 1); - np--; + if (rem) + np--; for (k = 0; k < np; k++) sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE); - sg_set_buf(&sg[k + 1], xbuf[k], rem); + if (rem) + sg_set_buf(&sg[k + 1], xbuf[k], rem); } static void test_aead_speed(const char *algo, int enc, unsigned int secs, -- 1.9.3
