From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 6BEC763DB for ; Wed, 27 Sep 2023 02:49:27 +0000 (UTC) Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-3ae4eaca6a9so10701571b6e.2 for ; Tue, 26 Sep 2023 19:49:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695782966; x=1696387766; 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=eni7pjGsCnR02TmbIEYy5GXxjpcD0RnfDvpYlq3rhaM=; b=BAe60trjHvM0vYUNkIqP6+LvM+DqT8kd+HAjY2Yh1rmw+rtxkahvQ8YPr94ErL2DAD mQV0zsmckA4Lok8GLOd/zYU8ecPGe8CGOMc/rmtqMnBWPgTQOuNmNeTc4ose0bbVAEyh pFdCdHN+AEk7JtJttytmfU8Ie3axRQee7hmDGGaPDqkdfL0PEy39wqoiHTwG6u1rcyfC 8FIbpTOEsamW9tyBlA0W5C5odzqmmllc0Xv+bwUqJQHpPwCZcyB5aESrq4KlP8O76rjp zasOlG3LgEg4dNugN/t480TdGt6Qbcs1M5tmBseHkcYMp7IRfg1aXOw/EigwozTKaQCZ Xfow== X-Gm-Message-State: AOJu0YwU6hcI/8XbHA1qtUIm0Ym/Daz/eoZ4aXS6ACwDVf2tDr3qSwOA pqcWEHb+cGMkVdXvT/XrLHNjBW5vf/g1jY8C6HSpew7mbx7U X-Google-Smtp-Source: AGHT+IFdbdFxnvYAoAwEmTvSKD9vV+LpoXdQyVZwGa9sq+8SBaVDHo7TFv5DlnRNou+NS6gE4mptqHru3h/s2UnlArnbPjr31pdR Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b11:b0:3ae:1e08:41e9 with SMTP id bx17-20020a0568081b1100b003ae1e0841e9mr404808oib.3.1695782966473; Tue, 26 Sep 2023 19:49:26 -0700 (PDT) Date: Tue, 26 Sep 2023 19:49:26 -0700 In-Reply-To: <0000000000006777d506051db4fd@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000553a2106064e3d86@google.com> Subject: Re: [syzbot] [ntfs3?] KASAN: slab-use-after-free Read in ntfs_write_bh From: syzbot To: almaz.alexandrovich@paragon-software.com, brauner@kernel.org, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, nathan@kernel.org, ndesaulniers@google.com, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, trix@redhat.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 Author: Christoph Hellwig Date: Wed Aug 9 22:05:44 2023 +0000 ntfs3: don't call sync_blockdev in ntfs_put_super bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1671b51e680000 start commit: 6465e260f487 Linux 6.6-rc3 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1571b51e680000 console output: https://syzkaller.appspot.com/x/log.txt?x=1171b51e680000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb54ecdfa197f132 dashboard link: https://syzkaller.appspot.com/bug?extid=bc79f8d1898960d41073 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14aa4e32680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=171787b6680000 Reported-by: syzbot+bc79f8d1898960d41073@syzkaller.appspotmail.com Fixes: 5f0fb2210bb3 ("ntfs3: don't call sync_blockdev in ntfs_put_super") For information about bisection process see: https://goo.gl/tpsmEJ#bisection