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 EAF2D391 for ; Sat, 17 Aug 2024 00:08:05 +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=1723853287; cv=none; b=dzzvqK3Li7kRCDhGLvIkATVkkAYy1DuyCt7G+uacFT9MrqUDZpLvtqD5Y+wXqB/l1MD49fG1lL2A3v2bUXDHgAouSQ8ywxFVjIJlslcV/7Q8wQpo33eOvSxi+g4AGLAgrJ5ZxRmQuXbBlD2/lUzDqzP0U5MJFF3TozbJYtflcFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723853287; c=relaxed/simple; bh=8cqZKJkH404Adiz24foqLGVKFP5OXxPIMKKRlsAWz/0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Ip3EoaRHCn1w5VXQqkVLEUgXsVQi5B/qFYy+PvZ9ncm865q9dKGv6YQKDjYr4j4WL5r6uJ6QnF00wQ3JbFl8FcEPRhPOo8L9EhW0KasqidhyEjx/TdoZ4M2l/M+R8wlSjFPD21GuXicq80nKoGgKIwJtUN+Gj65lfTQHlKymMGo= 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-39d244820edso20568745ab.3 for ; Fri, 16 Aug 2024 17:08:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723853285; x=1724458085; 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=q8+h+UYhIgx6SA9dj67GwMpfszzUP7FwDAYj8kWtHvE=; b=Rn542mIysPLJZTjCeMaSZdh/cHF8/wKMbyvg9+MziaDafHe/q1I4Ypiw/janKLGnS4 PmN6lRRGg2j43DoeSXrZVMb8ZLTwmPXiFLQpOuntbuAXyYyLvqPHGleVcbs4H8ak3GiH AlxFpAmQ1lUTsmJS/cKVMbF0PZe8p33HKRgphEaelzRB3qxf5e26gGZH0XLUPentXMT7 LHqgrCp5YvAvqUpqEJlGOpxVeSBvv4Pqjc3NWm4bsHBkU4WwV2mtTbzFY1wVG+XtrqgT eX5uM7Q8BsdXaObLAk08KDTB8TLKNllwQ/bFzeqY+Px3EfFYo4NvOC6nWW+O0WevcQEL hSnA== X-Forwarded-Encrypted: i=1; AJvYcCX0kh9oUdyUTBfJnR12ca6Mh6Qw07kUc28rTashbYhaLCrDhN331KnI2nuqQj43ec5nWbHz8qtYvWxBqCrMPAaDMCjwOHC9Ek17+tfA X-Gm-Message-State: AOJu0Yzoxr7IyQVpNVHfb0EhiclkVArGjIpiUmA1KjNU6bp7r2/AeRlI Mk7MrOPq6xduznwUm4hQrj8LX3zZDT5nmwChfz9x0PzptqOTM1B/uk0ajSY8ehFVg01fhTTjeXb enD64VjHmSJvwsyCbmqYpZ976svOsJwck75BK8B4ZCTBJhE8liAu+XIA= X-Google-Smtp-Source: AGHT+IE4e/l8ryHrMJHbK42ym5lVt+Ue8iZ5+aOCXbtbdZsNfLBaLvJ+NnXDWMXIWC5jTOID/up/26bmXmsuhbcipqOIFdkBmzIc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1989:b0:39b:2133:8ee5 with SMTP id e9e14a558f8ab-39d26ce2d21mr3786475ab.1.1723853284994; Fri, 16 Aug 2024 17:08:04 -0700 (PDT) Date: Fri, 16 Aug 2024 17:08:04 -0700 In-Reply-To: <00000000000012a63d061fccab65@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b28361061fd5de24@google.com> Subject: Re: [syzbot] [jfs?] KASAN: slab-use-after-free Read in dbFreeBits From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, eadavis@qq.com, jfs-discussion@lists.sourceforge.net, kristian@klausen.dk, linux-kernel@vger.kernel.org, linux-mm@kvack.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 2b9ac22b12a266eb4fec246a07b504dd4983b16b Author: Kristian Klausen Date: Fri Jun 18 11:51:57 2021 +0000 loop: Fix missing discard support when using LOOP_CONFIGURE bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f44605980000 start commit: d7a5aa4b3c00 Merge tag 'perf-tools-fixes-for-v6.11-2024-08.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=15f44605980000 console output: https://syzkaller.appspot.com/x/log.txt?x=11f44605980000 kernel config: https://syzkaller.appspot.com/x/.config?x=92c0312151c4e32e dashboard link: https://syzkaller.appspot.com/bug?extid=3c010e21296f33a5dc16 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=139469f5980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100f7713980000 Reported-by: syzbot+3c010e21296f33a5dc16@syzkaller.appspotmail.com Fixes: 2b9ac22b12a2 ("loop: Fix missing discard support when using LOOP_CONFIGURE") For information about bisection process see: https://goo.gl/tpsmEJ#bisection