From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: possible deadlock in path_openat Date: Sun, 17 Nov 2019 18:14:01 -0800 Message-ID: <00000000000042f41905979580cc@google.com> References: <00000000000044cbf80576baaecd@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Return-path: In-Reply-To: <00000000000044cbf80576baaecd@google.com> Sender: linux-kernel-owner@vger.kernel.org To: amir73il@gmail.com, ast@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk List-Id: linux-unionfs@vger.kernel.org syzbot has bisected this bug to: commit 8e54cadab447dae779f80f79c87cbeaea9594f60 Author: Al Viro Date: Sun Nov 27 01:05:42 2016 +0000 fix default_file_splice_read() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=108f4416e00000 start commit: 6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=128f4416e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=148f4416e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9 dashboard link: https://syzkaller.appspot.com/bug?extid=a55ccfc8a853d3cff213 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101767b7200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13c15013200000 Reported-by: syzbot+a55ccfc8a853d3cff213@syzkaller.appspotmail.com Fixes: 8e54cadab447 ("fix default_file_splice_read()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection