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Wed, 28 Aug 2024 22:02:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEaa+ZsQ9KdlcFxh7JYAL/9GdYzaBFZJcCvNC82sLT8U3GwPSZuhQbgd/2qDHiM5i4hiGxTkqh+ZedpnYzpgEg= X-Received: by 2002:a05:6e02:1607:b0:39b:649:f5e2 with SMTP id e9e14a558f8ab-39f3780c2fbmr25135865ab.13.1724907730838; Wed, 28 Aug 2024 22:02:10 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <202408281812.3F765DF@keescook> In-Reply-To: <202408281812.3F765DF@keescook> From: Xingyu Li Date: Wed, 28 Aug 2024 22:02:00 -0700 Message-ID: Subject: Re: BUG: WARNING in retire_sysctl_set To: Kees Cook Cc: mcgrof@kernel.org, j.granados@samsung.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Yu Hao , "Paul E. McKenney" , Waiman Long , Sven Eckelmann , Thomas Gleixner , anna-maria@linutronix.de, frederic@kernel.org, netdev@vger.kernel.org, Eric Dumazet , Jakub Kicinski , Tejun Heo , Kuniyuki Iwashima , Greg Kroah-Hartman Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable This has been mentioned a few times already[3][4]; have you seen these replies? Sorry, I did not see this email https://lore.kernel.org/netdev/CANn89iK6rq0XWO5-R5CzA5YAv2ygaTA=3D=3DEVh+O7= 4VHGDBNqUoA@mail.gmail.com/. And I received this reply https://lore.kernel.org/all/20240829011805.92574-1-kuniyu@amazon.com/ just 8 minutes before your response. Previously, I did not have the experience to send emails about bug reporting. Later, I will take care that I only send bug reports with reproducer or with a patch. but only have reproducers for 4 of them[2]. Your search words may ignore some of my emails. In fact, it has 16 bug reports with the C reproducer(previously, some of them is only given a syzkaller reproducer, and I just checked to confirm that C reproducer is given for each bug). https://lore.kernel.org/all/CALAgD-4M6bv53fpWnb2vdu4kxnCe_7H3kbOvs3DBAd8DeR= HYuw@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-5cKJnWRsS_2rjL1P9pC0dbNX66b8x09p=3DDUx1k= D+p6PQ@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-7TsMdA7rjxfpheXc=3DMNqikEXY9TZNxJt4z9vm6= Yfs5qQ@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-6miPB6F2=3D89m90HzEGT4dmCX_ws1r26w7Vr8rt= D8Z96Q@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-6Uy-2kVrj05SeCiN4wZu75Vq5-TCEsiUGzYwzjO4= +Ahg@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-5myPieAa_9BY6RVfBjWT_8g48+S0CX7c=3DEihMz= dwakxw@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-718DVmcVHtgSFGKbgr0ePoUjN2ST=3DgBtdYtGX5= GUqBQg@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-5kt+F6S1aAwRhKMKb0KwFGzfJCWyHguotEvJGBBB= vFkA@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-7JNKw5m0wpGAN+ezCL-qn7LcTL5vgyBmQZKbf5BT= NUCw@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-6MJC+D0DzxLOpVvCbYzHE-r1YzNORtpOh-f+hgEk= Mjzg@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-7hbfOzovnPqVqo6bqb1nHZ2WciUOTsz0Dtwsgr+y= x04w@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-4hkHVcCq2ycdwnA2hYDBMqijLUOfZgvf1WfFpU-8= +42w@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-6gJ4W1rPj=3DCWG7bFUPpEJnUjEhQd3uvH=3D7C= =3DaGKb=3DCUQ@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-7C3t=3DvRTvpnVvsZ_1YhgiiynDaX_ud0O6pxSBn= 3suADQ@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-4b_yFdN4fwPxpXEpJkcxEwXBxRHeQjeA3x3rMX4J= pUwA@mail.gmail.com/ https://lore.kernel.org/all/CALAgD-58VEomA47Srga5H-p6cZa0zPj+y3E1se0rHb3gj4= UvyA@mail.gmail.com/ There are hundreds like them (many with reproducers) already at: https://syzkaller.appspot.com/upstream In fact, the bugs that I report are fuzzed by the syzkaller templates that we generated, but not those from the syzkaller official templates. We want to find bugs that do not have the corresponding official syzkaller template. I also checked to make sure that the bugs I reported did not occur on syzbo= t. On Wed, Aug 28, 2024 at 6:26=E2=80=AFPM Kees Cook wrote: > > Hi, > > On Wed, Aug 28, 2024 at 02:16:34PM -0700, Xingyu Li wrote: > > We found a bug in Linux 6.10. It is possibly a logic bug. > > The bug report is as follows, but unfortunately there is no generated > > syzkaller reproducer. > > I see you've sent 44 reports like this recently[1], but only have > reproducers for 4 of them[2]. > > Without reproducers these reports aren't very helpful. There > are hundreds like them (many with reproducers) already at: > https://syzkaller.appspot.com/upstream > > Please only send these kind of reports if you have a fix for them > (preferred) or a reproducer for an actual problem. This has been mentione= d > a few times already[3][4]; have you seen these replies? > > -Kees > > [1] https://lore.kernel.org/all/?q=3Df%3Axli399%40 > [2] https://lore.kernel.org/all/?q=3Df%3Axli399%40+%22The+reproducer%22 > [3] https://lore.kernel.org/netdev/CANn89iK6rq0XWO5-R5CzA5YAv2ygaTA=3D=3D= EVh+O74VHGDBNqUoA@mail.gmail.com/ > [4] https://lore.kernel.org/all/20240829011805.92574-1-kuniyu@amazon.com/ > > -- > Kees Cook -- Yours sincerely, Xingyu