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Date: Mon, 21 Sep 2026 14:29:45 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: CJ <firefly0158@163.com>
Cc: balbi@kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [BUG] usb: gadget: KASAN slab-out-of-bounds in gether_get_ifname
Message-ID: <2026092126-obligate-purge-ab18@gregkh>
References: <670670d.84d1.1a0c3282df0.Coremail.firefly0158@163.com>
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On Mon, Sep 21, 2026 at 04:49:45PM +0800, CJ wrote:
> 
> Hi,
> 
> 
> I am reporting an issue triggered by a syzkaller reproducer on Linux
> 7.3.0-rc2. The issue is reproducible with HEAD commit
> df2908090cda368b01ff43709f51890076c56157.
> 
> 
> The reproducer mounts configfs, creates a USB gadget with a phonet function
> (config/usb_gadget/g1/functions/phonet.usb0), and then reads the ifname
> attribute of that function without ever binding the gadget to a UDC.

Great, can you please send a patch to resolve this now that you have a
reproducer?

thanks,

greg k-h