From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
gregkh@linuxfoundation.org, davem@davemloft.net,
dsahern@kernel.org, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, idosch@nvidia.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, zhangpengfei16@xiaomi.com,
Pengfei Zhang <zhangfeionline@gmail.com>
Subject: Re: [PATCH 5.10.y 6.1.y 6.6.y] ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump
Date: Tue, 4 Aug 2026 21:13:24 -0400 [thread overview]
Message-ID: <20260805011000.stable-0001@kernel.org> (raw)
In-Reply-To: <20260804114655.179105-1-zhangfeionline@gmail.com>
On Tue, Aug 04, 2026 at 07:46:54PM +0800, Pengfei Zhang wrote:
> commit 9facb861dc6b9b9ea9793ef5032a9a826f7a4229 upstream.
>
> inet6_dump_fib() saves its progress in cb->args[1] as a positional
> index within the current hash chain. Between batches, a concurrent
> fib6_new_table() can insert a new table at the chain head, shifting
> all existing entries.
>
> [Adapted to 5.10/6.1/6.6: return variable is 'res' instead of 'err';
> error path uses 'out_unlock' label instead of 'out']
Queued for 5.10, 6.1 and 6.6, thanks.
--
Thanks,
Sasha
prev parent reply other threads:[~2026-08-05 1:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 11:46 [PATCH 5.10.y 6.1.y 6.6.y] ipv6: fib6: fix NULL deref in fib6_walk_continue() on multi-batch dump Pengfei Zhang
2026-08-05 1:13 ` Sasha Levin [this message]
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