From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Reminder: 1 open syzbot bug in sound subsystem Date: Wed, 24 Jul 2019 09:08:26 +0200 Message-ID: References: <20190724024723.GI643@sol.localdomain> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <20190724024723.GI643@sol.localdomain> Sender: linux-kernel-owner@vger.kernel.org To: Eric Biggers Cc: alsa-devel@alsa-project.org, Jaroslav Kysela , Takashi Iwai , syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org List-Id: alsa-devel@alsa-project.org On Wed, 24 Jul 2019 04:47:23 +0200, Eric Biggers wrote: > > [This email was generated by a script. Let me know if you have any suggestions > to make it better, or if you want it re-generated with the latest status.] > > Of the currently open syzbot reports against the upstream kernel, I've manually > marked 1 of them as possibly being a bug in the sound subsystem. > > If you believe this bug is no longer valid, please close the syzbot report by > sending a '#syz fix', '#syz dup', or '#syz invalid' command in reply to the > original thread, as explained at https://goo.gl/tpsmEJ#status > > If you believe I misattributed this bug to the sound subsystem, please let me > know, and if possible forward the report to the correct people or mailing list. > > Here is the bug: > > -------------------------------------------------------------------------------- > Title: KASAN: use-after-free Read in wake_up_if_idle > Last occurred: 131 days ago > Reported: 267 days ago > Branches: Mainline and others > Dashboard link: https://syzkaller.appspot.com/bug?id=b1e300cd7b124fc83dd4199d4d1df26310111b0f > Original thread: https://lkml.kernel.org/lkml/00000000000066ab7105795f245e@google.com/T/#u This one doesn't look like a bug that is directly related with the sound stuff. Although it was triggered from a sound ioctl, UAF is seen rather in a notifier chain of other component. thanks, Takashi > > Unfortunately, this bug does not have a reproducer. > > No one replied to the original thread for this bug. > > If you fix this bug, please add the following tag to the commit: > Reported-by: syzbot+2c1253bc508adef78a7f@syzkaller.appspotmail.com > > If you send any email or patch for this bug, please consider replying to the > original thread. For the git send-email command to use, or tips on how to reply > if the thread isn't in your mailbox, see the "Reply instructions" at > https://lkml.kernel.org/r/00000000000066ab7105795f245e@google.com > >