* [PATCH] crypto: algif_aead - fix uninitialized variable warning
@ 2016-12-08 6:09 Stephan Müller
2016-12-08 12:17 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Stephan Müller @ 2016-12-08 6:09 UTC (permalink / raw)
To: herbert; +Cc: Stephen Rothwell, linux-crypto
In case the user provided insufficient data, the code may return
prematurely without any operation. In this case, the processed
data indicated with outlen is zero.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
---
crypto/algif_aead.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 2fbf239..e9c0993 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -420,7 +420,7 @@ static int aead_recvmsg_async(struct socket *sock, struct msghdr *msg,
unsigned int i, reqlen = GET_REQ_SIZE(tfm);
int err = -ENOMEM;
unsigned long used;
- size_t outlen;
+ size_t outlen = 0;
size_t usedpages = 0;
lock_sock(sk);
--
2.9.3
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2016-12-08 6:09 [PATCH] crypto: algif_aead - fix uninitialized variable warning Stephan Müller
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