linux-kernel - Re: [PATCH v2 1/2] asix: fix uninit-value in asix_mdio

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Message-Id: <164021400971.685.16899015623032122973.git-patchwork-notify@kernel.org>
Date:   Wed, 22 Dec 2021 23:00:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, linux@...pel-privat.de,
        andrew@...n.ch, robert.foss@...labora.com, freddy@...x.com.tw,
        linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        syzbot+f44badb06036334e867a@...kaller.appspotmail.com
Subject: Re: [PATCH v2 1/2] asix: fix uninit-value in asix_mdio_read()

Hello:

This series was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 21 Dec 2021 23:10:36 +0300 you wrote:
> asix_read_cmd() may read less than sizeof(smsr) bytes and in this case
> smsr will be uninitialized.
> 
> Fail log:
> BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]
> BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497
> BUG: KMSAN: uninit-value in asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497
>  asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]
>  asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497
>  asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497
> 
> [...]

Here is the summary with links:
  - [v2,1/2] asix: fix uninit-value in asix_mdio_read()
    https://git.kernel.org/netdev/net/c/8035b1a2a37a
  - [v2,2/2] asix: fix wrong return value in asix_check_host_enable()
    https://git.kernel.org/netdev/net/c/d1652b70d07c

You are awesome, thank you!
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