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[34.90.236.192]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2036256097sm221220066b.23.2026.08.06.01.43.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2026 01:43:32 -0700 (PDT) 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: [PATCH] usb: typec: stusb160x: add missing NULL check for i2c_get_match_data() Date: Thu, 6 Aug 2026 08:43:01 +0000 Message-ID: <20260806084301.1340-1-joshua.crofts1@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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=3D6c7e68b141ebd3a2cadf Fixes: 823754697556 ("usb: typec: stusb160x: Make use of i2c_get_match_data= ()") Signed-off-by: Joshua Crofts --- drivers/usb/typec/stusb160x.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index 6d85b25b40bc..8f3435c669cd 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -645,6 +645,8 @@ static int stusb160x_probe(struct i2c_client *client) i2c_set_clientdata(client, chip); =20 regmap_config =3D i2c_get_match_data(client); + if (!regmap_config) + return -ENODEV; =20 chip->regmap =3D devm_regmap_init_i2c(client, regmap_config); if (IS_ERR(chip->regmap)) { --=20 2.47.3