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author | David S. Miller <davem@davemloft.net> | 2015-12-15 15:39:08 -0500 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2016-03-18 01:51:05 +0100 |
commit | 65e2a5e01a1e8db7ec19dacd9aef6cac3b596552 (patch) | |
tree | 66cb732a1626683c2de7139b4d1361e0855c40e3 | |
parent | 7ffbc9118a4b062fdc384e3bccaca9eb55ba7f10 (diff) | |
download | kernel_samsung_smdk4412-65e2a5e01a1e8db7ec19dacd9aef6cac3b596552.zip kernel_samsung_smdk4412-65e2a5e01a1e8db7ec19dacd9aef6cac3b596552.tar.gz kernel_samsung_smdk4412-65e2a5e01a1e8db7ec19dacd9aef6cac3b596552.tar.bz2 |
bluetooth: Validate socket address length in sco_sock_bind().
Change-Id: Id051e0c1a5d89ea90e9b058175c37c952cad70bc
Signed-off-by: David S. Miller <davem@davemloft.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 ac4631d..21aded9 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); |