From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v4] NFC: pn533: don't send USB data off of the stack From: Greg Kroah-Hartman Message-Id: <20180601080346.GC12809@kroah.com> Date: Fri, 1 Jun 2018 10:03:46 +0200 To: Mark Greer Cc: Johan Hovold , Arend van Spriel , Carlos Manuel Santos , Samuel Ortiz , Stephen Hemminger , linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org List-ID: T24gVGh1LCBNYXkgMzEsIDIwMTggYXQgMDk6MDY6MzJQTSAtMDcwMCwgTWFyayBHcmVlciB3cm90 ZToKPiBPbiBUaHUsIE1heSAzMSwgMjAxOCBhdCAxMjozODo0OFBNICswMjAwLCBHcmVnIEtyb2Fo LUhhcnRtYW4gd3JvdGU6Cj4gPiBPbiBNb24sIE1heSAyMSwgMjAxOCBhdCAxMDozODoyNUFNICsw MjAwLCBKb2hhbiBIb3ZvbGQgd3JvdGU6Cj4gPiA+IE9uIFN1biwgTWF5IDIwLCAyMDE4IGF0IDAz OjE5OjQ2UE0gKzAyMDAsIEdyZWcgS3JvYWgtSGFydG1hbiB3cm90ZToKPiA+ID4gPiBJdCdzIGFt YXppbmcgdGhhdCB0aGlzIGRyaXZlciBldmVyIHdvcmtlZCwgYnV0IG5vdyB0aGF0IHg4NiBkb2Vz bid0Cj4gPiA+ID4gYWxsb3cgVVNCIGRhdGEgdG8gYmUgc2VudCBvZmYgb2YgdGhlIHN0YWNrLCBp dCByZWFsbHkgZG9lcyBub3Qgd29yayBhdAo+ID4gPiA+IGFsbC4gIEZpeCB0aGlzIHVwIGJ5IHBy b3Blcmx5IGFsbG9jYXRpbmcgdGhlIGRhdGEgZm9yIHRoZSBzbWFsbAo+ID4gPiA+ICJjb21tYW5k cyIgdGhhdCBnZXQgc2VudCB0byB0aGUgZGV2aWNlIG9mZiBvZiB0aGUgc3RhY2suCj4gPiA+ID4g Cj4gPiA+ID4gV2UgZG8gdGhpcyBmb3Igb25lIGNvbW1hbmQgYnkgaGF2aW5nIGEgd2hvbGUgdXJi IGp1c3QgZm9yIGFjayBtZXNzYWdlcywKPiA+ID4gPiBhcyB0aGV5IGNhbiBiZSBzdWJtaXR0ZWQg aW4gaW50ZXJydXB0IGNvbnRleHQsIHNvIHdlIGNhbiBub3QgdXNlCj4gPiA+ID4gdXNiX2J1bGtf bXNnKCkuICBCdXQgdGhlIHBvd2Vyb24gY29tbWFuZCBjYW4gc2xlZXAgKGFuZCBkb2VzKSwgc28g dXNlCj4gPiA+ID4gdXNiX2J1bGtfbXNnKCkgZm9yIHRoYXQgdHJhbnNmZXIuCj4gPiA+ID4gCj4g PiA+ID4gUmVwb3J0ZWQtYnk6IENhcmxvcyBNYW51ZWwgU2FudG9zIDxjbW1wc2FudG9zQGdtYWls LmNvbT4KPiA+ID4gPiBDYzogU2FtdWVsIE9ydGl6IDxzYW1lb0BsaW51eC5pbnRlbC5jb20+Cj4g PiA+ID4gQ2M6IFN0ZXBoZW4gSGVtbWluZ2VyIDxzdGVwaGVuQG5ldHdvcmtwbHVtYmVyLm9yZz4K PiA+ID4gPiBDYzogc3RhYmxlIDxzdGFibGVAdmdlci5rZXJuZWwub3JnPgo+ID4gPiA+IFNpZ25l ZC1vZmYtYnk6IEdyZWcgS3JvYWgtSGFydG1hbiA8Z3JlZ2toQGxpbnV4Zm91bmRhdGlvbi5vcmc+ Cj4gPiA+ID4gLS0tCj4gPiA+ID4gdjQ6IGRvbid0IHVzZSB1cmIgdHJhbnNmZXIgYnVmZmVyIGZs YWdzIGFzIHRoZSBtZW1vcnkgaXMgdGllZCB0byB0aGUgdXJiCj4gPiA+ID4gICAgICh0aGFua3Mg dG8gSm9oYW4pICBOb3cgd2UgaGF2ZSBhIG5ldyBzdGF0aWMgdXJiLCBhbmQgd2UgdXNlCj4gPiA+ ID4gICAgIHVzYl9idWxrX21zZygpIGZvciB0aGUgb3RoZXIgbWVzc2FnZS4KPiA+ID4gPiB2Mzog YWN0dWFsbHkgdXNlIHRoZSBjb3JyZWN0IGJ1ZmZlciAodGhhbmtzIHRvIEFyZW5kIHZhbiBTcHJp ZWwpCj4gPiA+ID4gICAgIHVzZSBrbWVtZHVwICh0aGFua3MgdG8gSm9oYW5uZXMgQmVyZyBhbmQg SnVsaWEgTGF3YWxsKQo+ID4gPiA+IHYyOiBzZXQgdGhlIHVyYiBmbGFncyBjb3JyZWN0bHkKPiA+ ID4gCj4gPiA+IFlvdXIgY2hhbmdlcyBsb29rIGNvcnJlY3Qgbm93IHNvIGZlZWwgZnJlZSB0byBh ZGQ6Cj4gPiA+IAo+ID4gPiBSZXZpZXdlZC1ieTogSm9oYW4gSG92b2xkIDxqb2hhbkBrZXJuZWwu b3JnPgo+ID4gCj4gPiBUaGFua3MgZm9yIHRoZSByZXZpZXcuCj4gPiAKPiA+ID4gSXQgc2VlbXMg d2UgY291bGQgZW5kIHVwIHJldHVybmluZyBhbiBlcnJubyBmcm9tIHByb2JlIHdpdGggYWN0aXZl IHVyYnMKPiA+ID4gKGlmIHBuNTMzX2ZpbmFsaXplX3NldHVwKCkgZmFpbHMpIGluIHdoaWNoIGNh c2UgdGhlIGFjayBidWZmZXIgd291bGQKPiA+ID4gbGVhay4gQnV0IGZyZWVpbmcgdGhlIHVyYnMg d2hpbGUgYWN0aXZlIHdvdWxkIHRoZW4gYmUgdGhlIGJpZ2dlcgo+ID4gPiBwcm9ibGVtLCBhbmQg dGhhdCB3YXNuJ3QgaW50cm9kdWNlZCBieSB0aGlzIHBhdGNoLgo+ID4gCj4gPiBZZWFoLCB0aGlz IHdob2xlIHRoaW5nIGlzIGEgbWVzcyBhbmQgSSByZWFsbHkgZG9uJ3Qgd2FudCB0byBkbyBtdWNo IG1vcmUKPiA+IHRvIHRoZSBkcml2ZXIgd2l0aG91dCBoYXZpbmcgdGhlIGhhcmR3YXJlIHRvIHRl c3Qgd2l0aCBpdC4gIFNvIEknbGwganVzdAo+ID4gbGVhdmUgaXQgYXMtaXMgZm9yIG5vdyA6KQo+ IAo+IEhpIEdyZWcuCj4gCj4gSSBoYXZlIGEgcG41MzMgVVNCIHN0aWNrLCBhIHRyZjc5NzAtYmFz ZWQgYm9hcmQsIGFuZCBzb21lIG5mYyB0YWdzIHNvIEkKPiBjYW4gaGVscCB5b3UgdGVzdCBhcyBs b25nIGFzIHlvdSBkb24ndCBtaW5kIG11bHRpLWRheSB0dXJuLWFyb3VuZCB0aW1lcy4KPiBBbHRl cm5hdGl2ZWx5LCBJIGNhbiBzZXQgc29tZXRoaW5nIHVwIGFuZCBnaXZlIHlvdSByZW1vdGUgYWNj ZXNzLCBpZiB5b3UKPiBwcmVmZXIgdGhhdC4KPiAKPiBMZXQgbWUga25vdy4KCm11bHRpLWRheSB0 dXJuIGFyb3VuZHMgYXJlIGZpbmUuICBCdXQgZ2l2ZW4gdGhhdCB0aGlzIGRyaXZlciBoYXMgYmVl bgpicm9rZW4gZm9yIGEgdmVyeSBsb25nIHRpbWUgd2l0aCBubyBvbmUgbm90aWNpbmcsIEkgZG91 YnQgdGhhdCB0aGVyZSBhcmUKbWFueSwgaWYgYW55LCByZWFsIHVzZXJzIG91dCB0aGVyZSB0byBt YWtlIGl0IHdvcnRoIHdvcmtpbmcgb24gYXQgdGhlCm1vbWVudCB0byBmaXggdXAgbWlub3IgY29k ZSBxdWFsaXR5IGlzc3VlcyA6KAoKdGhhbmtzLAoKZ3JlZyBrLWgKLS0tClRvIHVuc3Vic2NyaWJl IGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC11c2IiIGlu CnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUg bWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8u aHRtbAo=