From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Farhad Alemi <farhad.alemi@berkeley.edu>
Cc: Viresh Kumar <vireshk@kernel.org>,
Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>,
Farhad Alemi <falemi@asu.edu>,
greybus-dev@lists.linaro.org, linux-staging@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [BUG] KASAN: slab-out-of-bounds Write in gb_hid_raw_request
Date: Thu, 10 Sep 2026 08:10:02 +0200 [thread overview]
Message-ID: <2026091048-expediter-lubricate-a2df@gregkh> (raw)
In-Reply-To: <CA+0ovCgLrz4WhPKP5LGW5HZa8VOodgeo6pWuyQGgHE7UY57Oog@mail.gmail.com>
On Wed, Sep 09, 2026 at 06:38:02PM -0700, Farhad Alemi wrote:
> Hello,
>
> We are reporting the following crash (reproducer and a proposed patch attached):
Great, please submit the patch properly so that we can review and apply
it if it works.
> Linux version 7.3.0-rc2 50d05c7c76c96b90462f24debacca971d2e86713
> Build Config: UpstreamAppArmorKASAN (KASAN + UBSAN, panic_on_warn=1)
>
> [ 44.000772][ T804] usb 3-1: new high-speed USB device number 2
> using dummy_hcd
> [ 44.163699][ T804] usb 3-1: New USB device found, idVendor=18d1,
> idProduct=1eaf, bcdDevice= 1.00
> [ 44.169786][ T804] usb 3-1: New USB device strings: Mfr=0,
> Product=0, SerialNumber=0
> [ 44.212054][ T12] greybus 1-svc: set power mode = 0
> [ 44.212064][ T12] greybus 1-svc: power mode change failed on AP
> to switch link: -5
> [ 44.213758][ C1] greybus greybus1: 0/0:0: short response 0x94
> received (8 < 9)
> [ 44.215179][ T9337] greybus greybus1: 0/0:0: synchronous operation
> id 0x0003 of type 0x14 failed: -90
> [ 44.215216][ T9337] greybus 1-svc: failed to get rail count: -90
> [ 44.234071][ T9337] greybus 1-2.2: Interface added (greybus)
> [ 44.234080][ T9337] greybus 1-2.2: GMP VID=0x00000001, PID=0x00000001
> [ 44.234087][ T9337] greybus 1-2.2: DDBL1 Manufacturer=0x00000126,
I'm guessing this is an emulated device, not a real one?
thanks,
greg k-h
prev parent reply other threads:[~2026-09-10 6:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-10 1:38 Farhad Alemi
2026-09-10 6:10 ` Greg Kroah-Hartman [this message]
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