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| author | David S. Miller <davem@davemloft.net> | 2015-12-15 15:39:08 -0500 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2016-01-05 18:20:42 +0100 |
| commit | 7ef4fd18068df86a619a91f5eeb611782a26e243 (patch) | |
| tree | e3abfc2e6fec900f45007e79cb5ddb7e1c7de529 /net | |
| parent | 03d188e9b1000c15021eb5f43cafc49dd9dd0ce7 (diff) | |
| download | kernel_samsung_tuna-7ef4fd18068df86a619a91f5eeb611782a26e243.zip kernel_samsung_tuna-7ef4fd18068df86a619a91f5eeb611782a26e243.tar.gz kernel_samsung_tuna-7ef4fd18068df86a619a91f5eeb611782a26e243.tar.bz2 | |
bluetooth: Validate socket address length in sco_sock_bind().
Change-Id: I890640975f1af64f71947b6a1820249e08f6375b
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/sco.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index c24e11b..09688cb 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -476,6 +476,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; + if (alen < sizeof(struct sockaddr_sco)) + return -EINVAL; + memset(&sa, 0, sizeof(sa)); len = min_t(unsigned int, sizeof(sa), alen); memcpy(&sa, addr, len); |