From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 AD5491C9EB5 for ; Tue, 1 Oct 2024 15:05:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727795107; cv=none; b=sgEvA0WvXWp4WQ4mAcYslkJHb5E2n45lvW0RjMifGI0Ypf0QAIlAWFlNfMA7BafO7FtsVmioyRBMyscPJ6S3Qoxwa/l0d2P8zoEzaGj6/FxgbPkmKgU/uAYbynEldXaLILoFrobWH2tPXRaC9zvQrNaB/dSb+NxB1p3lwbnjBao= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727795107; c=relaxed/simple; bh=70tW3FtIReGlZa0x68B7CXkkbmMZWMsi23kXqDI9ll0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=T9yOnA5GZ7KG8s157975xZ5ruL1x4V66vXObdT3XY9qqAoU1HACthoo4c0NZNZC5D8g3epp61ssAD0/ixkpsN23WBnqx/F79vFde2itwR2KRXG7r9cguarWdkwW8wIJneuzyVtSe0BmK+PfIK76vMsYhH0qUGXgeqwJVffQYwD4= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a19665ed40so46622715ab.1 for ; Tue, 01 Oct 2024 08:05:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727795105; x=1728399905; 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=OQnQdezqQV4C6xTbEprcKjm4Qf25wBlX7fwBiWWz5wk=; b=oy0VB08+b0OD65o8vNCUZXkmrn8PEVTMrLydqlXFFdGXSZjIbK0Fsk5zCDC+3quGE/ lyA66dj5iMYxyLsgJ/m4H8D1ueUpvgEsDV+/dfSiPBilkNhCMDdwn+QWlGf3f/oknYFe lAe/QKpV4SO3Z2cd9K1ZpDGj1Thnzf7AgKGLttuZPtPHqKcxQ4+k9oalY2HrwG0clhg+ qufjwyyN8PRc+k7TPRaZkOX2087kV491Lnfe9EPfQm/QGGTj90hBosHUFj1TwvPuxh4D FDcmBbIFi60VFlh4u8xjBpB++ujcTJo2bpqDtYe5+d2Wt0BOO7VZnAC5fiqNqVRgyHLt 0AkA== X-Forwarded-Encrypted: i=1; AJvYcCXc+kUmIuVDGAM4n6ZTV655OHrkr3e68fhjY1jL+QiG9Jiyw9r/8X3xyYP0c2qRd/YEKIGeZnWI918f@vger.kernel.org X-Gm-Message-State: AOJu0YxlfrFRMUzoUwiOtTqbbOMDc1+qdh3nbvX6PO+kehkCE3MXDoW/ fBzRf6LMAr5lkKeRmM/Y8mogLas6kTUZE/RIV7/hY3vjpeFXMqCT2fSrEMc2ss1jiF7nVowzLRi zylkqY5meSFR4Ku1WIP2sdB6zr2qo9590abcgJPxpe34pAj8ZMeX1VNs= X-Google-Smtp-Source: AGHT+IHOxnv+tRIgSwDxvXyPvoS/LMyAOoq9O7ypD4JCM4wibvhPAflAPZZI/3cGFUBvxXrZFNB5E5A0agdx5xhHOTym2FVHZ3zQ Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d10:b0:3a2:463f:fd86 with SMTP id e9e14a558f8ab-3a35eb0db11mr24180095ab.4.1727795104695; Tue, 01 Oct 2024 08:05:04 -0700 (PDT) Date: Tue, 01 Oct 2024 08:05:04 -0700 In-Reply-To: <00000000000032fa460619a3725d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66fc0fa0.050a0220.f28ec.04ab.GAE@google.com> Subject: Re: [syzbot] [ext4?] [mm?] INFO: rcu detected stall in ext4_release_file (2) From: syzbot To: adilger.kernel@dilger.ca, andreyknvl@gmail.com, dvyukov@google.com, elver@google.com, glider@google.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit ae94b263f5f69c180347e795fbefa051b65aacc3 Author: Dmitry Vyukov Date: Tue Jun 11 07:50:33 2024 +0000 x86: Ignore stack unwinding in KCOV bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17353dd0580000 start commit: 56fb6f92854f Merge tag 'drm-next-2024-05-25' of https://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=966dbeb548ca6926 dashboard link: https://syzkaller.appspot.com/bug?extid=9c703233282a4a1a6749 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16e7abe0980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15b23f6c980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: x86: Ignore stack unwinding in KCOV For information about bisection process see: https://goo.gl/tpsmEJ#bisection