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net: ax25: fix information leak to userland harder

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commit 5b919f833d9d60588d026ad82d17f17e8872c7a9 upstream.

Commit fe10ae53384e48c51996941b7720ee16995cbcb7 adds a memset() to clear
the structure being sent back to userspace, but accidentally used the
wrong size.

Reported-by: Brad Spengler <spender@grsecurity.net>
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kees Cook 2011-01-12 00:34:49 -08:00 committed by Greg Kroah-Hartman
parent 1fe7a67d02
commit 6b1c3b60a4
1 changed files with 1 additions and 1 deletions
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2
net/ax25/af_ax25.c
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@ -1392,7 +1392,7 @@ static int ax25_getname(struct socket *sock, struct sockaddr *uaddr,
ax25_cb *ax25;
int err = 0;
memset(fsa, 0, sizeof(fsa));
memset(fsa, 0, sizeof(*fsa));
lock_sock(sk);
ax25 = ax25_sk(sk);