linux-kernel - Re: [PATCH] ip6_vti: initialize __ip6_tnl_parm struct in vti6

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Date:   Mon, 27 Dec 2021 12:30:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     William Zhao <wizhao@...hat.com>
Cc:     steffen.klassert@...unet.com, herbert@...dor.apana.org.au,
        davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ip6_vti: initialize __ip6_tnl_parm struct in
 vti6_siocdevprivate

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu, 23 Dec 2021 12:33:16 -0500 you wrote:
> The "__ip6_tnl_parm" struct was left uninitialized causing an invalid
> load of random data when the "__ip6_tnl_parm" struct was used elsewhere.
> As an example, in the function "ip6_tnl_xmit_ctl()", it tries to access
> the "collect_md" member. With "__ip6_tnl_parm" being uninitialized and
> containing random data, the UBSAN detected that "collect_md" held a
> non-boolean value.
> 
> [...]

Here is the summary with links:
  - ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
    https://git.kernel.org/netdev/net/c/c1833c3964d5

You are awesome, thank you!
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