diff options
| author |   deraadt <deraadt@openbsd.org> | 2005-08-18 13:10:02 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2005-08-18 13:10:02 +0000 |
| commit | 21a35baa53eb66b2c7441e60eee533f5e56f7c93 (patch) | |
| tree | dcec9b264393b4839be54bc8ff94f558ff5d966e /sys/crypto/cryptodev.c | |
| parent | afterboot(8) MLINK to faq(8) is pointless; (diff) | |
| download | wireguard-openbsd-21a35baa53eb66b2c7441e60eee533f5e56f7c93.tar.xz wireguard-openbsd-21a35baa53eb66b2c7441e60eee533f5e56f7c93.zip | |
do not allow 0-length transforms; from freebsd
Diffstat (limited to 'sys/crypto/cryptodev.c')
| -rw-r--r-- | sys/crypto/cryptodev.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/crypto/cryptodev.c b/sys/crypto/cryptodev.c index bd1e888d368..95c5703a825 100644 --- a/sys/crypto/cryptodev.c +++ b/sys/crypto/cryptodev.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cryptodev.c,v 1.63 2005/05/25 05:47:53 markus Exp $ */ +/* $OpenBSD: cryptodev.c,v 1.64 2005/08/18 13:10:02 deraadt Exp $ */ /* * Copyright (c) 2001 Theo de Raadt @@ -311,8 +311,9 @@ cryptodev_op(struct csession *cse, struct crypt_op *cop, struct proc *p) if (cop->len > 64*1024-4) return (E2BIG); - if (cse->txform && (cop->len % cse->txform->blocksize) != 0) { - return (EINVAL); + if (cse->txform) { + if (cop->len == 0 || (cop->len % cse->txform->blocksize) != 0) + return (EINVAL); } bzero(&cse->uio, sizeof(cse->uio)); |