diff options
Diffstat (limited to 'freebsd/sys/opencrypto/cryptosoft.c')
| -rw-r--r-- | freebsd/sys/opencrypto/cryptosoft.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/freebsd/sys/opencrypto/cryptosoft.c b/freebsd/sys/opencrypto/cryptosoft.c index 55e98b13..69993ae0 100644 --- a/freebsd/sys/opencrypto/cryptosoft.c +++ b/freebsd/sys/opencrypto/cryptosoft.c @@ -86,7 +86,7 @@ static int swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, int flags) { - unsigned char iv[EALG_MAX_BLOCK_LEN], blk[EALG_MAX_BLOCK_LEN], *idat; + unsigned char iv[EALG_MAX_BLOCK_LEN], blk[EALG_MAX_BLOCK_LEN]; unsigned char *ivp, *nivp, iv2[EALG_MAX_BLOCK_LEN]; struct enc_xform *exf; int i, j, k, blks, ind, count, ivlen; @@ -251,11 +251,13 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, } while (uio->uio_iov[ind].iov_len >= k + blks && i > 0) { + uint8_t *idat; size_t nb, rem; nb = blks; - rem = uio->uio_iov[ind].iov_len - k; - idat = (char *)uio->uio_iov[ind].iov_base + k; + rem = MIN((size_t)i, + uio->uio_iov[ind].iov_len - (size_t)k); + idat = (uint8_t *)uio->uio_iov[ind].iov_base + k; if (exf->reinit) { if ((crd->crd_flags & CRD_F_ENCRYPT) != 0 && @@ -298,7 +300,6 @@ swcr_encdec(struct cryptodesc *crd, struct swcr_data *sw, caddr_t buf, ivp = nivp; } - idat += nb; count += nb; k += nb; i -= nb; |