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Mon, 21 Oct 2024 07:18:04 -0700 (PDT) MIME-Version: 1.0 References: <000000000000ade4f305fc36868f@google.com> <671547f4.050a0220.1e4b4d.0049.GAE@google.com> In-Reply-To: From: Jann Horn Date: Mon, 21 Oct 2024 16:17:25 +0200 Message-ID: Subject: Re: [syzbot] [usb] kernel BUG in __page_table_check_zero To: Linus Torvalds Cc: syzbot , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-usb@vger.kernel.org, pasha.tatashin@soleen.com, syzkaller-bugs@googlegroups.com, yuran.pereira@hotmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 4661910001D X-Stat-Signature: ykeq8c488y1xbt9hdjsdqo8te6gs6prj X-HE-Tag: 1729520257-590491 X-HE-Meta: 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 FTRX9RHU x8K4EzzzWAs1PDNIM5gK2bOVhrZa+AladtXzAfBlrfmbxCFHv9eezjLS8pl68Ioxgl8nkjsgGokmwjukrj2PWCoQI6q8EbhpBAUGNYlztI0inLQ5txp5DUR71r4TGKGHKK3bIPU6zRGNQWgIBO7wWOgE9Rj6ShX/44yPCoXasWvJ2YWTfEoX/rz1jT+5rZ2ddmX04oTBU3cRLm22RV0UWwMJg6ytgJPHJ+/tf/dEwps8VWyM8B8/X7LB5GHBJSjW6g5QKlEvTF4NBHvSNFYRAGITwz7T8Q+zgM6qbyvvTDcbwCwJ89dohFxtzCr7mKT9t9eDebhOcertsGpHLucxY09tNloShpycKjx5ct//VeihJgmMT1AwHb3L6YJZLnOL2UukzgLSjRQSZQTg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.175203, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Oct 20, 2024 at 10:32=E2=80=AFPM Linus Torvalds wrote: > Because even if I wasn't aware of the syzbot report, it does look like > a match for what the commit was meant to fix (and may have been the > source of Jann's report). Huh, I had no idea syzkaller had already found this one... neat.