From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: INFO: task hung in pipe_release (2) Date: Wed, 12 Aug 2020 20:57:04 -0700 Message-ID: <0000000000001d3cbb05acba4cc2@google.com> References: <00000000000084b59f05abe928ee@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <00000000000084b59f05abe928ee@google.com> Sender: linux-ia64-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: James.Bottomley@HansenPartnership.com, amanieu@gmail.com, arnd@arndb.de, benh@kernel.crashing.org, bfields@fieldses.org, borntraeger@de.ibm.com, bp@alien8.de, catalin.marinas@arm.com, chris@zankel.net, christian@brauner.io, corbet@lwn.net, cyphar@cyphar.com, dalias@libc.org, davem@davemloft.net, deller@gmx.de, dvyukov@google.com, fenghua.yu@intel.com, geert@linux-m68k.org, gor@linux.ibm.com, heiko.carstens@de.ibm.com, hpa@zytor.com, ink@jurassic.park.msu.ru, jcmvbkbc@gmail.com, jhogan@kernel.org, jlayton@kernel.org, kvalo@codeaurora.org, linux-alpha@vger.kernel.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linu syzbot has bisected this issue to: commit fddb5d430ad9fa91b49b1d34d0202ffe2fa0e179 Author: Aleksa Sarai Date: Sat Jan 18 12:07:59 2020 +0000 open: introduce openat2(2) syscall bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=164e716a900000 start commit: 6ba1b005 Merge tag 'asm-generic-fixes-5.8' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=154e716a900000 console output: https://syzkaller.appspot.com/x/log.txt?x=114e716a900000 kernel config: https://syzkaller.appspot.com/x/.config?x=84f076779e989e69 dashboard link: https://syzkaller.appspot.com/bug?extid=61acc40a49a3e46e25ea syz repro: https://syzkaller.appspot.com/x/repro.syz?x=142ae224900000 Reported-by: syzbot+61acc40a49a3e46e25ea@syzkaller.appspotmail.com Fixes: fddb5d430ad9 ("open: introduce openat2(2) syscall") For information about bisection process see: https://goo.gl/tpsmEJ#bisection