From: patchwork-bot+netdevbpf@kernel.org
To: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Cc: santosh.shilimkar@oracle.com, davem@davemloft.net,
kuba@kernel.org, netdev@vger.kernel.org,
linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] net/rds: Fix a use after free in rds_message_map_pages
Date: Wed, 31 Mar 2021 21:30:07 +0000 [thread overview]
Message-ID: <161722620780.13975.16375102859564408293.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210331015959.4404-1-lyl2019@mail.ustc.edu.cn>
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Tue, 30 Mar 2021 18:59:59 -0700 you wrote:
> In rds_message_map_pages, the rm is freed by rds_message_put(rm).
> But rm is still used by rm->data.op_sg in return value.
>
> My patch assigns ERR_CAST(rm->data.op_sg) to err before the rm is
> freed to avoid the uaf.
>
> Fixes: 7dba92037baf3 ("net/rds: Use ERR_PTR for rds_message_alloc_sgs()")
> Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
>
> [...]
Here is the summary with links:
- [v2] net/rds: Fix a use after free in rds_message_map_pages
https://git.kernel.org/netdev/net/c/bdc2ab5c61a5
You are awesome, thank you!
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prev parent reply other threads:[~2021-03-31 21:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 1:59 [PATCH v2] net/rds: Fix a use after free in rds_message_map_pages Lv Yunlong
2021-03-31 18:26 ` Haakon Bugge
2021-03-31 21:30 ` patchwork-bot+netdevbpf [this message]
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