[PATCH] crypto: tcrypt: do not allocate iv on stack for aead speed tests
From: Cristian Stoica <hidden>
Date: 2015-01-28 20:40:04
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
See also: 9bac019dad8098a77cce555d929f678e22111783 Signed-off-by: Cristian Stoica <redacted> --- crypto/tcrypt.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 2b2486a..4b9e23f 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c@@ -280,16 +280,20 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs, struct scatterlist *sgout; const char *e; void *assoc; - char iv[MAX_IVLEN]; + char *iv; char *xbuf[XBUFSIZE]; char *xoutbuf[XBUFSIZE]; char *axbuf[XBUFSIZE]; unsigned int *b_size; unsigned int iv_len; + iv = kzalloc(MAX_IVLEN, GFP_KERNEL); + if (!iv) + return; + if (aad_size >= PAGE_SIZE) { pr_err("associate data length (%u) too big\n", aad_size); - return; + goto out_noxbuf; } if (enc == ENCRYPT)
@@ -355,7 +359,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs, iv_len = crypto_aead_ivsize(tfm); if (iv_len) - memset(&iv, 0xff, iv_len); + memset(iv, 0xff, iv_len); crypto_aead_clear_flags(tfm, ~0); printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ",
@@ -408,6 +412,7 @@ out_nooutbuf: out_noaxbuf: testmgr_free_buf(xbuf); out_noxbuf: + kfree(iv); return; }
--
2.2.0