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Thu, 27 Aug 2020 04:14:06 -0700 (PDT) Date: Thu, 27 Aug 2020 04:14:06 -0700 In-Reply-To: <00000000000068340d05add74c29@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d2adea05adda0870@google.com> Subject: Re: WARNING: ODEBUG bug in get_signal From: syzbot To: alsa-devel@alsa-project.org, arnd@arndb.de, axboe@kernel.dk, baolin.wang@linaro.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org, oleg@redhat.com, perex@perex.cz, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tiwai@suse.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Thu, 27 Aug 2020 18:50:46 +0200 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" syzbot has bisected this issue to: commit a9ed4a6560b8562b7e2e2bed9527e88001f7b682 Author: Marc Zyngier Date: Wed Aug 19 16:12:17 2020 +0000 epoll: Keep a reference on files added to the check list bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15e57751900000 start commit: 15bc20c6 Merge tag 'tty-5.9-rc3' of git://git.kernel.org/p.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=17e57751900000 console output: https://syzkaller.appspot.com/x/log.txt?x=13e57751900000 kernel config: https://syzkaller.appspot.com/x/.config?x=978db74cb30aa994 dashboard link: https://syzkaller.appspot.com/bug?extid=e3cf8f93cf86936710db userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13236eb6900000 Reported-by: syzbot+e3cf8f93cf86936710db@syzkaller.appspotmail.com Fixes: a9ed4a6560b8 ("epoll: Keep a reference on files added to the check list") For information about bisection process see: https://goo.gl/tpsmEJ#bisection