Re: [PATCH] sctp: integer overflow in sctp_auth_create_key()

[David Miller]

From: Xi Wang <xi.wang@xxxxxxxxx>
Date: Tue, 22 Nov 2011 20:55:30 -0500

> The previous commit 30c2235c is incomplete and cannot prevent integer
> overflows. For example, when key_len is 0x80000000 (INT_MAX + 1), the
> left-hand side of the check, (INT_MAX - key_len), which is unsigned,
> becomes 0xffffffff (UINT_MAX) and bypasses the check.
> 
> Signed-off-by: Xi Wang <xi.wang@xxxxxxxxx>

Applied, but I had to apply your patch by hand because it was
corrupted by your email client.

Please fix this problem because I am not applying any other patch
you've submitted which has this issue.
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