Subject: Re: [PATCH v3] net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr

From: [email-masked]
Date: Mon, 04 Sep 2023 06:21:05 +0000

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <[email-masked]>:

On Thu, 31 Aug 2023 22:41:27 -0600 you wrote:
> The existing code incorrectly casted a negative value (the result of a
> subtraction) to an unsigned value without checking. For example, if
> /proc/sys/net/ipv6/conf/*/temp_prefered_lft was set to 1, the preferred
> lifetime would jump to 4 billion seconds. On my machine and network the
> shortest lifetime that avoided underflow was 3 seconds.
> 
> Fixes: 76506a986dc3 ("IPv6: fix DESYNC_FACTOR")
> Signed-off-by: Alex Henrie <[email-masked]>
> 
> [...]

Here is the summary with links:
  - [v3] net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr
    https://git.kernel.org/netdev/net/c/f31867d0d9d8

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html