Re: [PATCH v2 1/2] asix: fix uninit-value in asix_mdio_read()

From: patchwork-bot+netdevbpf
Date: Wed Dec 22 2021 - 18:00:14 EST


Hello:

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

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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