From: Joshua Crofts <joshua.crofts1@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
syzbot+6c7e68b141ebd3a2cadf@syzkaller.appspotmail.com
Subject: Re: [PATCH] usb: typec: stusb160x: add missing NULL check for i2c_get_match_data()
Date: Thu, 6 Aug 2026 10:47:45 +0200 [thread overview]
Message-ID: <20260806104745.00007baa@gmail.com> (raw)
In-Reply-To: <20260806084301.1340-1-joshua.crofts1@gmail.com>
On Thu, 6 Aug 2026 08:43:01 +0000
Joshua Crofts <joshua.crofts1@gmail.com> wrote:
> In stusb160x_probe(), the return value of i2c_get_match_data() is not
> checked, causing a null pointer dereference later on if the device was
> registered manually (without devicetree or ACPI).
>
> Fix this by adding a NULL check for the return value of
> i2c_get_match_data().
>
> Reported-by: syzbot+6c7e68b141ebd3a2cadf@syzkaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=6c7e68b141ebd3a2cadf
> Fixes: 823754697556 ("usb: typec: stusb160x: Make use of i2c_get_match_data()")
> Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
> ---
Ugh, forgot to Cc stable.
--
Kind regards,
Joshua Crofts
prev parent reply other threads:[~2026-08-06 8:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-06 8:43 [PATCH] usb: typec: stusb160x: add missing NULL check for i2c_get_match_data() Joshua Crofts
2026-08-06 8:47 ` Joshua Crofts [this message]
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