From: patchwork-bot+netdevbpf@kernel.org
To: Alex Henrie <alexhenrie24@gmail.com>
Cc: netdev@vger.kernel.org, jbohac@suse.cz,
benoit.boissinot@ens-lyon.org, davem@davemloft.net,
hideaki.yoshifuji@miraclelinux.com, dsahern@kernel.org,
pabeni@redhat.com, kuba@kernel.org
Subject: Re: [PATCH v3] net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr
Date: Mon, 04 Sep 2023 06:21:05 +0000 [thread overview]
Message-ID: <169380846531.7662.5513574099634997948.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230901044219.10062-1-alexhenrie24@gmail.com>
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:
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 <alexhenrie24@gmail.com>
>
> [...]
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!
--
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next prev parent reply other threads:[~2023-09-04 6:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-21 1:11 [PATCH] ipv6/addrconf: clamp preferred_lft to the minimum instead of erroring Alex Henrie
2023-08-22 9:54 ` Paolo Abeni
2023-08-23 3:41 ` Alex Henrie
2023-08-23 3:45 ` David Ahern
2023-08-23 8:36 ` Jiri Bohac
2023-08-23 11:00 ` Paolo Abeni
2023-08-29 5:44 ` [PATCH v2 0/5] net: ipv6/addrconf: ensure that temporary addresses' preferred lifetimes are in the valid range Alex Henrie
2023-08-29 5:44 ` [PATCH v2 1/5] net: ipv6/addrconf: avoid integer underflow in ipv6_create_tempaddr Alex Henrie
2023-09-01 4:41 ` [PATCH v3] " Alex Henrie
2023-09-01 13:53 ` David Ahern
2023-09-04 6:21 ` patchwork-bot+netdevbpf [this message]
2023-08-29 5:44 ` [PATCH v2 2/5] net: ipv6/addrconf: clamp preferred_lft to the maximum allowed Alex Henrie
2023-08-31 8:25 ` Paolo Abeni
2023-08-29 5:44 ` [PATCH v2 3/5] net: ipv6/addrconf: clamp preferred_lft to the minimum required Alex Henrie
2023-08-31 1:28 ` Jakub Kicinski
2023-08-31 5:40 ` Alex Henrie
2023-08-29 5:44 ` [PATCH v2 4/5] Documentation: networking: explain what happens if temp_valid_lft is too small Alex Henrie
2023-08-29 5:44 ` [PATCH v2 5/5] Documentation: networking: explain what happens if temp_prefered_lft is too small or too large Alex Henrie
2023-08-31 8:33 ` Paolo Abeni
2023-10-24 19:40 ` [PATCH resend 1/4] net: ipv6/addrconf: clamp preferred_lft to the maximum allowed Alex Henrie
2023-10-24 19:40 ` [PATCH resend 2/4] net: ipv6/addrconf: clamp preferred_lft to the minimum required Alex Henrie
2023-10-24 19:40 ` [PATCH resend 3/4] Documentation: networking: explain what happens if temp_valid_lft is too small Alex Henrie
2023-10-24 19:40 ` [PATCH resend 4/4] Documentation: networking: explain what happens if temp_prefered_lft is too small or too large Alex Henrie
2023-10-24 19:48 ` [PATCH resend 1/4] net: ipv6/addrconf: clamp preferred_lft to the maximum allowed Jakub Kicinski
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