From: syzbot <syzbot@syzkaller•appspotmail.com>
To: andrew@lunn•ch
Cc: andrew@lunn•ch, davem@davemloft•net, dharanitharan725@gmail•com,
edumazet@google•com, gregkh@linuxfoundation•org,
kuba@kernel•org, linux-usb@vger•kernel.org,
netdev@vger•kernel.org, pabeni@redhat•com
Subject: Re: [PATCH] [PATCH] usb: rtl8150: Initialize buffers to fix KMSAN uninit-value in rtl8150_open
Date: Tue, 04 Nov 2025 09:52:45 -0800 [thread overview]
Message-ID: <690a3d6d.050a0220.98a6.00b6.GAE@google.com> (raw)
In-Reply-To: <ea06bbfb-d14b-4c61-8394-c536ca2a67ce@lunn.ch>
> On Tue, Nov 04, 2025 at 04:27:16PM +0000, Dharanitharan R wrote:
>> KMSAN reported an uninitialized value use in rtl8150_open().
>> Initialize rx_skb->data and intr_buff before submitting URBs to
>> ensure memory is in a defined state.
>>
>> Reported-by: syzbot+b4d5d8faea6996fd@syzkaller•appspotmail.com
>> Signed-off-by: Dharanitharan R <dharanitharan725@gmail•com>
>> ---
>> drivers/net/usb/rtl8150.c | 21 ++++++++++++++-------
>> 1 file changed, 14 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
>> index 278e6cb6f4d9..f1a868f0032e 100644
>> --- a/drivers/net/usb/rtl8150.c
>> +++ b/drivers/net/usb/rtl8150.c
>> @@ -719,14 +719,15 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
>>
>> static void set_carrier(struct net_device *netdev)
>> {
>> - rtl8150_t *dev = netdev_priv(netdev);
>> - short tmp;
>> + rtl8150_t *dev = netdev_priv(netdev);
>> + short tmp;
>
> You are messing up the whitespace here.
>
> Did you not read your own patch and notice this problem? checkpatch
> probably also complained.
>
> Andrew
>
> ---
> pw-bot: cr
I see the command but can't find the corresponding bug.
The email is sent to syzbot+HASH@syzkaller•appspotmail.com address
but the HASH does not correspond to any known bug.
Please double check the address.
next prev parent reply other threads:[~2025-11-04 17:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 16:27 [PATCH] [PATCH] usb: rtl8150: Initialize buffers to fix KMSAN uninit-value in rtl8150_open Dharanitharan R
2025-11-04 16:27 ` syzbot
2025-11-04 17:52 ` Andrew Lunn
2025-11-04 17:52 ` syzbot [this message]
[not found] <202508272322.b4d5d8faea6996fd@syzkaller.appspotmail.com>
2025-11-04 16:48 ` Dharanitharan R
2025-11-04 22:19 ` Greg KH
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