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[90.182.112.124]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49954228a47sm67970545e9.12.2026.08.06.01.47.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2026 01:47:46 -0700 (PDT) Date: Thu, 6 Aug 2026 10:47:45 +0200 From: Joshua Crofts To: Greg Kroah-Hartman , Heikki Krogerus Cc: Andy Shevchenko , 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() Message-ID: <20260806104745.00007baa@gmail.com> In-Reply-To: <20260806084301.1340-1-joshua.crofts1@gmail.com> References: <20260806084301.1340-1-joshua.crofts1@gmail.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 6 Aug 2026 08:43:01 +0000 Joshua Crofts 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 > --- Ugh, forgot to Cc stable. -- Kind regards, Joshua Crofts