From: patchwork-bot+netdevbpf@kernel.org
To: Anton Moryakov <ant.v.moryakov@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH V2 iproute2-next] ip: ipmaddr.c: Fix possible integer underflow in read_igmp()
Date: Tue, 29 Jul 2025 23:30:10 +0000 [thread overview]
Message-ID: <175383181025.1684209.1251405483737540810.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250720153843.62145-1-ant.v.moryakov@gmail.com>
Hello:
This patch was applied to iproute2/iproute2-next.git (main)
by David Ahern <dsahern@kernel.org>:
On Sun, 20 Jul 2025 18:38:43 +0300 you wrote:
> Static analyzer pointed out a potential error:
>
> Possible integer underflow: left operand is tainted. An integer underflow
> may occur due to arithmetic operation (unsigned subtraction) between variable
> 'len' and value '1', when 'len' is tainted { [0, 18446744073709551615] }
>
> The fix adds a check for 'len == 0' before accessing the last character of
> the name, and skips the current line in such cases to avoid the underflow.
>
> [...]
Here is the summary with links:
- [V2,iproute2-next] ip: ipmaddr.c: Fix possible integer underflow in read_igmp()
https://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git/commit/?id=5734dc8aa703
You are awesome, thank you!
--
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prev parent reply other threads:[~2025-07-29 23:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-20 15:38 [PATCH V2 iproute2-next] ip: ipmaddr.c: Fix possible integer underflow in read_igmp() Anton Moryakov
2025-07-29 23:30 ` patchwork-bot+netdevbpf [this message]
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