From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 18F021D6DDC for ; Sun, 1 Dec 2024 20:03:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733083388; cv=none; b=WlHQZWh0K8bwKiT4c3snljWCQRG93sByzvhmMTv+nUCQfRFycVz3gyRwAJj1qVvTZW63AX9HheahNA1odpbXIUxo8oQBknokP9R0pKg39Fg0OJQ+JB1Fa9Oc4vwHr9KHyvMI2gwIP/nNA8QlLUO4dmrtsNMWr/ZbD4UAaCrmMhc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733083388; c=relaxed/simple; bh=dSsObhGUS8r1GhwLvZW7tZZh6u1pc/CKc749V17IzvY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=SvzehMyBb51GJB8EjRS2NmNQVGvl+ujsYzXj4zT4WogGlIoEKS0ySd4Zcr55G/NUaH+qBFPCYVvpbFUyI9gG3aAcF+QdlR0t65BssEXMHaQNkSoyU9iynvsKOXSe+1+gz00UDiZ47q7gYuV3uGVaPDF2i3bVG/Lvw2KgKSJt0bg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3a794990ef3so39036115ab.1 for ; Sun, 01 Dec 2024 12:03:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733083385; x=1733688185; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OaPPX1s8VAm+XGS2IFc62d3wok0VBUCA33fGXk3UaTo=; b=hgcBO84GJizhvYg+DUNb+cQ9Vd53DSAXzrHPKlUlyRL3ehHMb5crkHH3KoKyOtOUgr pJEqISqrtZszSvSD0zSbmFXend0AOei3NR90Or1FcI7OizzYoLHqCI7NfX0lSXjqbj9Z 3T8q/e78O033MCS1cissTrUIBoDwPKVPqNtOwOGMco1rV4fAk7GWf+WFNV6pcKuoLq7G LNmlk+QfYAfZhp8X9LgFr1KPk1qwxuj88bTWy27/Fl6807ZThOHvw0H/jnCR0IFH+dKF 5VGFvn4eXU63vX4cPVfPzphz9gbR1js9aesgTzR6F/rqpc+hJttCWFrA2GILAsNIb3pX HZ3A== X-Forwarded-Encrypted: i=1; AJvYcCXmogLVm+YJX3j7y5GyBcmEd7huoCSB7PbwNa1g4Ng7iv+tHVa7G5w2Rv7yjKzCyQfJvZy8j5y2ZGcSNgT7XA==@vger.kernel.org X-Gm-Message-State: AOJu0Ywe8BhWo7vMqc/DBf6G7UYDETZiscXCFcmjYeqjD8J44R0KtjwQ 69EDTkKLIA1qlkWPO5mJT48/9ZsrsRj9O/Da8wNoZeshC5OSthV8HWWcgOxldQuyQrD1KkYFpu2 0oQERvwlIlDbnQuFld78RCKE3UNZxJ17+VYNkTEHYY81IZ2xKa/732u0= X-Google-Smtp-Source: AGHT+IG1BsJDeDY+txAfsLEoO3aZBCIBBviJggagFT7PDbeJHoJDMx+EKxelgiGE9E+lChmAz9PfQRqFKHPAiGfA12SlL2xiBjhn Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca07:0:b0:3a7:ca83:3f9 with SMTP id e9e14a558f8ab-3a7cbd14e14mr125608935ab.4.1733083385204; Sun, 01 Dec 2024 12:03:05 -0800 (PST) Date: Sun, 01 Dec 2024 12:03:05 -0800 In-Reply-To: <6716e2ac.050a0220.1e4b4d.0064.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674cc0f9.050a0220.48a03.0012.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] WARNING: locking bug in rcu_pending_exit From: syzbot To: anton.ivanov@cambridgegreys.com, axboe@kernel.dk, bp@alien8.de, dave.hansen@linux.intel.com, hch@lst.de, hpa@zytor.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, martin.petersen@oracle.com, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 5db755fbb1a0de4a4cfd5d5edfaa19853b9c56e6 Author: Christoph Hellwig Date: Fri May 31 07:47:56 2024 +0000 ubd: refactor the interrupt handler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1739bf78580000 start commit: 2ba9f676d0a2 Merge tag 'drm-next-2024-11-29' of https://gi.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14b9bf78580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10b9bf78580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a857d0dac7fee57c dashboard link: https://syzkaller.appspot.com/bug?extid=8d7226784b8fcb4c9d04 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1037f9e8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=155d1d30580000 Reported-by: syzbot+8d7226784b8fcb4c9d04@syzkaller.appspotmail.com Fixes: 5db755fbb1a0 ("ubd: refactor the interrupt handler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection