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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Peter Seiderer , Artem Chernyshev , Frederic Weisbecker Subject: [PATCH net-next v6 7/7] net: pktgen: fix access outside of user given buffer in pktgen_thread_write() Date: Wed, 19 Feb 2025 09:45:27 +0100 Message-ID: <20250219084527.20488-8-ps.report@gmx.net> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250219084527.20488-1-ps.report@gmx.net> References: <20250219084527.20488-1-ps.report@gmx.net> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: base64 X-Provags-ID: V03:K1:QYZWc2fuov1jErqZjC89tMwDODSdFswkp9QSi9mbCHwZSy/Dzip JFy07ob2QbugkRt9mXY84MvYVHA4fnyBmyOXJXOMRGM9yMtA6tiOGrCdiul/MYACJJOncqy jHHs46frM1FXsbzHsbQ6j5jWlIhBjnytLwMGGzi8h29gyKEP8LXNmEzydgTciGDDX8gq/Mo Sna7Zb+/fOlzU6OOe44lw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:lOjTUpc05cY=;1MCESKz6EgFsA83KEwR68m2Brqd R59PVwvK/+7BQWz+6qZ+WE85NVRYTtJTni0KY3m+Du6uQybqNQNc7z+J+SxjJ8kSprseg8DLe WdR6867gdhPifVb5xaHbr1ZtuqfUKM+SjpKAJ2V+q7X+0V8AOaX8OM1/t7rGzdwE66VWE6D/S U6AMn9DT5uyvBxZC+/Oy2kVgZFs0aog23hVKWtHZhp3oiK0FsibVahtTdYWSI0COIK/xHCIW9 AriyzApnt4b7S8Bv2F9MffMXqXTNdJdGOEYAQvRTy6feAqxp1W0w/7CqP+JpbDtr1xeXp6Ilv AnArmbR8rdgvGbKA/YgFuss1aI9prlw5XRKTkZonnrOM8BGWWJeIwHzqD9dIMLFRw9akNolB0 gUhgI3GPnFyZnfVsVMSFNmXsgo6IDSPyMScaYCkKGbsWLOYe9VQfZnSKjEujq3QBOYY2jNdyM /m9pKUXElGsRDhbCZ7dfknRX9ySvZQs5rVC0SmlR93aOVBNyMz6BMNc5J+K4gLiizihabycqv mX0rVEdOUbNfnvDIIJHMHb3AMUIJx4Dnv87EeGfoT5keo8Fq6vB86t1yjkCZIkC+keLrHyR9T bO3Cvt27PwTQtrrC4h+xtgibSub3C+6CLeO3jCw+19L1n2XD2XYMKkEYpIappVQNC/jaqvhJl NC1oEjIUuKUYIQWTh+GkLGfJz/VS6UybGxXngRg3xu3wYSSsog+P74/unsJHG2xDGwRufPwZi 2bkgklJaTFxAoDIXOhPiV0NwW4Mn1kxVifj2b4o6mpN91RDtq3Yj1hp/dPq/5oudKnSV2dvMl +bqvaAvGeIYpD4RBVRHTHZwG5MZfJg1ABGbkIQQFHz5Al8tDCjYYBs9FC6AQe3yvT2lZg3rPe 9jumudFYPDLMREUl54WVrKMVJ9qBQaLbyx5Ogy7fTh80D2IPTpT8e+bBi3F+ZDH7N4DZANWnM zQJuLUlNg02vn3MrpEOwxYzH8bgT4jk03jc4by05vDO1qQwXmnbXXcN8QKWIvFN4NJUTkV9f2 gj2c75/gEkdGo51Jvs14E9/k+r9gfseKkWO9a/AT43Q8NRshzV40Pd3aYkF8anCPESwEsyXc/ arT6fjuILUpXARg+cuodN47uU868ncV0ohNvQFVwhy7OF6r288Q34JiT+PpnQBJIPRfIgfhzn O0t/iSYJUJs4t6Y/CUa7j81NFqpAP7bUwuMUj5fgI+XJVWe7fQpp6obnG5nBQ1LFXy4tiiaEB PcoRB1+cnwP4wKGcx4jbe3oyMOwiuSbhD9KCC56rNdurjWpTmivHmH0s+J7//e17YVGjjDxsK TwOsSWlS+ybbrYeiUJbKAULDn7B8XQU+W0BKW+tHhHFg83pE9shgEhTR7vcc7+o4iR6xQXAZR J+iFsbsFPvB4ykhjuAXp9H9WiEmZflMePPPksHzeaQsOT2vUPBFP7Kq1/0 SG9ub3VyIHRoZSB1c2VyIGdpdmVuIGJ1ZmZlciBzaXplIGZvciB0aGUgc3Rybl9sZW4oKSBjYWxs cyAob3RoZXJ3aXNlCnN0cm5fbGVuKCkgd2lsbCBhY2Nlc3MgbWVtb3J5IG91dHNpZGUgb2YgdGhl IHVzZXIgZ2l2ZW4gYnVmZmVyKS4KClNpZ25lZC1vZmYtYnk6IFBldGVyIFNlaWRlcmVyIDxwcy5y ZXBvcnRAZ214Lm5ldD4KUmV2aWV3ZWQtYnk6IFNpbW9uIEhvcm1hbiA8aG9ybXNAa2VybmVsLm9y Zz4KLS0tCkNoYW5nZXMgdjUgLT4gdjYKICAtIG5vIGNoYW5nZXMKCkNoYW5nZXMgdjQgLT4gdjUK ICAtIHNwbGl0IHVwIHBhdGNoc2V0IGludG8gcGFydCBpL2lpIChzdWdnZXN0ZWQgYnkgU2ltb24g SG9ybWFuKQoKQ2hhbmdlcyB2MyAtPiB2NAogIC0gYWRkIHJldi1ieSBTaW1vbiBIb3JtYW4KCkNo YW5nZXMgdjIgLT4gdjM6CiAgLSBubyBjaGFuZ2VzCgpDaGFuZ2VzIHYxIC0+IHYyOgogIC0gbm8g Y2hhbmdlcwotLS0KIG5ldC9jb3JlL3BrdGdlbi5jIHwgNyArKysrLS0tCiAxIGZpbGUgY2hhbmdl ZCwgNCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL25ldC9jb3Jl L3BrdGdlbi5jIGIvbmV0L2NvcmUvcGt0Z2VuLmMKaW5kZXggZjZlMzViYTAzNWM3Li41NTA2NDcx MzIyM2UgMTAwNjQ0Ci0tLSBhL25ldC9jb3JlL3BrdGdlbi5jCisrKyBiL25ldC9jb3JlL3BrdGdl bi5jCkBAIC0xOTAwLDggKzE5MDAsOCBAQCBzdGF0aWMgc3NpemVfdCBwa3RnZW5fdGhyZWFkX3dy aXRlKHN0cnVjdCBmaWxlICpmaWxlLAogCWkgPSBsZW47CiAKIAkvKiBSZWFkIHZhcmlhYmxlIG5h bWUgKi8KLQotCWxlbiA9IHN0cm5fbGVuKCZ1c2VyX2J1ZmZlcltpXSwgc2l6ZW9mKG5hbWUpIC0g MSk7CisJbWF4ID0gbWluKHNpemVvZihuYW1lKSAtIDEsIGNvdW50IC0gaSk7CisJbGVuID0gc3Ry bl9sZW4oJnVzZXJfYnVmZmVyW2ldLCBtYXgpOwogCWlmIChsZW4gPCAwKQogCQlyZXR1cm4gbGVu OwogCkBAIC0xOTMxLDcgKzE5MzEsOCBAQCBzdGF0aWMgc3NpemVfdCBwa3RnZW5fdGhyZWFkX3dy aXRlKHN0cnVjdCBmaWxlICpmaWxlLAogCWlmICghc3RyY21wKG5hbWUsICJhZGRfZGV2aWNlIikp IHsKIAkJY2hhciBmWzMyXTsKIAkJbWVtc2V0KGYsIDAsIDMyKTsKLQkJbGVuID0gc3Rybl9sZW4o JnVzZXJfYnVmZmVyW2ldLCBzaXplb2YoZikgLSAxKTsKKwkJbWF4ID0gbWluKHNpemVvZihmKSAt IDEsIGNvdW50IC0gaSk7CisJCWxlbiA9IHN0cm5fbGVuKCZ1c2VyX2J1ZmZlcltpXSwgbWF4KTsK IAkJaWYgKGxlbiA8IDApIHsKIAkJCXJldCA9IGxlbjsKIAkJCWdvdG8gb3V0OwotLSAKMi40OC4x Cgo=