netdev - Re: [PATCH] net: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw

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Message-Id: 
 <175951441326.20895.16161652671675865420.git-patchwork-notify@kernel.org>
Date: Fri, 03 Oct 2025 18:00:13 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Bhanu Seshu Kumar Valluri <bhanuseshukumar@...il.com>
Cc: Thangaraj.S@...rochip.com, Rengarajan.S@...rochip.com,
 UNGLinuxDriver@...rochip.com, andrew+netdev@...n.ch, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 o.rempel@...gutronix.de, netdev@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 syzbot+62ec8226f01cb4ca19d9@...kaller.appspotmail.com
Subject: Re: [PATCH] net: usb: lan78xx: Fix lost EEPROM read timeout
 error(-ETIMEDOUT) in lan78xx_read_raw_eeprom

Hello:

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

On Tue, 30 Sep 2025 14:19:02 +0530 you wrote:
> Syzbot reported read of uninitialized variable BUG with following call stack.
> 
> lan78xx 8-1:1.0 (unnamed net_device) (uninitialized): EEPROM read operation timeout
> =====================================================
> BUG: KMSAN: uninit-value in lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline]
> BUG: KMSAN: uninit-value in lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline]
> BUG: KMSAN: uninit-value in lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241
>  lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline]
>  lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline]
>  lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241
>  lan78xx_bind+0x711/0x1690 drivers/net/usb/lan78xx.c:3766
>  lan78xx_probe+0x225c/0x3310 drivers/net/usb/lan78xx.c:4707
> 
> [...]

Here is the summary with links:
  - net: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw_eeprom
    https://git.kernel.org/netdev/net/c/49bdb63ff644

You are awesome, thank you!
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