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Sun, 07 Sep 2025 19:28:52 +0200 From: Heiko Stuebner To: Linus Walleij , linux-gpio@vger.kernel.org, Sergey Shtylyov Cc: linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH] pinctrl: rockchip: fix NULL ptr deref in rockchip_pinctrl_parse_groups() Date: Sun, 07 Sep 2025 19:28:50 +0200 Message-ID: <6789547.RUnXabflUD@phil> In-Reply-To: <179c9e8c-8760-41e6-aad7-7a128df60984@omp.ru> References: <179c9e8c-8760-41e6-aad7-7a128df60984@omp.ru> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250907_102902_105391_27271D19 X-CRM114-Status: GOOD ( 23.83 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org QW0gTWl0dHdvY2gsIDMuIFNlcHRlbWJlciAyMDI1LCAyMTo0ODo1NCBNaXR0ZWxldXJvcMOkaXNj aGUgU29tbWVyemVpdCBzY2hyaWViIFNlcmdleSBTaHR5bHlvdjoKPiBJbiB0aGUgUm9ja2NoaXAg ZHJpdmVyLCByb2NrY2hpcF9waW5jdHJsX3BhcnNlX2dyb3VwcygpIGFzc3VtZXMgdGhhdCB0aGUK PiAicm9ja2NoaXAscGlucyIgcHJvcGVydHkgd2lsbCBhbHdheXMgYmUgcHJlc2VudCBpbiB0aGUg RFQgbm9kZSBpdCBwYXJzZXMKPiBhbmQgc28gZG9lc24ndCBjaGVjayB0aGUgcmVzdWx0IG9mIG9m X2dldF9wcm9wZXJ0eSgpIGZvciBOVUxMLiBJZiB0aGUgRFQKPiBwYXNzZWQgdG8gdGhlIGtlcm5l bCBoYXBwZW5zIHRvIGhhdmUgc3VjaCBwcm9wZXJ0eSBtaXNzaW5nLCB0aGVuIHdlIHdpbGwKPiBn ZXQgYSBrZXJuZWwgb29wcyB3aGVuIHRoZSBwb2ludGVyIGlzIGRlcmVmZXJlbmNlZCBpbiB0aGUg KmZvciogbG9vcCBqdXN0Cj4gYSBmZXcgbGluZXMgYWZ0ZXIgdGhlIGNhbGwuICBJIHRoaW5rIGl0 J3MgYmV0dGVyIHRvIHBsYXkgc2FmZSBieSBjaGVja2luZwo+IHRoZSBsaXN0IHZhcmlhYmxlIGZv ciBOVUxMIChhbmQgcmVwb3J0aW5nIGVycm9yIGlmIHNvKSwgbGlrZSB3ZSBjaGVjayB0aGUKPiBz aXplIHZhcmlhYmxlIGZvciB2YWxpZGl0eSBmdXJ0aGVyIGRvd24uLi4KPiAKPiBGb3VuZCBieSBM aW51eCBWZXJpZmljYXRpb24gQ2VudGVyIChsaW51eHRlc3Rpbmcub3JnKSB3aXRoIHRoZSBTdmFj ZSBzdGF0aWMKPiBhbmFseXNpcyB0b29sLgo+IAo+IEZpeGVzOiBkM2U1MTE2MTE5YmQgKCJwaW5j dHJsOiBhZGQgcGluY3RybCBkcml2ZXIgZm9yIFJvY2tjaGlwIFNvQ3MiKQo+IFNpZ25lZC1vZmYt Ynk6IFNlcmdleSBTaHR5bHlvdiA8cy5zaHR5bHlvdkBvbXAucnU+CgpBc3N1bWluZyB0aGF0IHRo ZSBEVCBpcyBvdXIgZnJpZW5kLCByZWFsbHkgaXMgYSBiYWQgYXNzdW1wdGlvbiA6LSkgLgoKV2hp bGUgSSBjYW4ndCBpbWFnaW5lIHdoYXQgMTIteWVhci1hZ28tbWUgd2FzIHRoaW5raW5nIHRoZW4s IHNpbXBseQpjaGVja2luZyB0aGUgcmV0dXJuIHZhbHVlIHJlYWxseSBpcyB0aGUgYmV0dGVyIHdh eQoKUmV2aWV3ZWQtYnk6IEhlaWtvIFN0dWVibmVyIDxoZWlrb0BzbnRlY2guZGU+CgoKPiAKPiAt LS0KPiBUaGUgcGF0Y2ggaXMgYWdhaW5zdCB0aGUgbWFzdGVyIGJyYW5jaCBvZiBMaW51cyBUb3J2 YWxkcycgbGludXguZ2l0IHJlcG8uCj4gCj4gIGRyaXZlcnMvcGluY3RybC9waW5jdHJsLXJvY2tj aGlwLmMgfCAgICA0ICsrKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMSBk ZWxldGlvbigtKQo+IAo+IEluZGV4OiBsaW51eC9kcml2ZXJzL3BpbmN0cmwvcGluY3RybC1yb2Nr Y2hpcC5jCj4gPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PQo+IC0tLSBsaW51eC5vcmlnL2RyaXZlcnMvcGluY3RybC9waW5j dHJsLXJvY2tjaGlwLmMKPiArKysgbGludXgvZHJpdmVycy9waW5jdHJsL3BpbmN0cmwtcm9ja2No aXAuYwo+IEBAIC0zNDg4LDcgKzM0ODgsOSBAQCBzdGF0aWMgaW50IHJvY2tjaGlwX3BpbmN0cmxf cGFyc2VfZ3JvdXBzCj4gIAkgKiBkbyBzYW5pdHkgY2hlY2sgYW5kIGNhbGN1bGF0ZSBwaW5zIG51 bWJlcgo+ICAJICovCj4gIAlsaXN0ID0gb2ZfZ2V0X3Byb3BlcnR5KG5wLCAicm9ja2NoaXAscGlu cyIsICZzaXplKTsKPiAtCS8qIHdlIGRvIG5vdCBjaGVjayByZXR1cm4gc2luY2UgaXQncyBzYWZl IG5vZGUgcGFzc2VkIGRvd24gKi8KPiArCWlmICghbGlzdCkKPiArCQlyZXR1cm4gZGV2X2Vycl9w cm9iZShkZXYsIC1FSU5WQUwsCj4gKwkJCQkgICAgICIlcE9GOiBubyByb2NrY2hpcCxwaW5zIHBy b3BlcnR5XG4iLCBucCk7Cj4gIAlzaXplIC89IHNpemVvZigqbGlzdCk7Cj4gIAlpZiAoIXNpemUg fHwgc2l6ZSAlIDQpCj4gIAkJcmV0dXJuIGRldl9lcnJfcHJvYmUoZGV2LCAtRUlOVkFMLAo+IAoK CgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4 LXJvY2tjaGlwIG1haWxpbmcgbGlzdApMaW51eC1yb2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2No aXAK