From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 410E410E4 for ; Sat, 25 Nov 2023 03:54:04 -0800 (PST) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-1cfaeab7dafso9168685ad.1 for ; Sat, 25 Nov 2023 03:54:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700913244; x=1701518044; 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=/KRHX69P+c/HonL20U6p52M6bOssV1LeZSiVOwq9udg=; b=iKT/Q/pt7ZGCD/LjWIJro2Lif7JcG8fWqBxEzPE8L7w4WrvaeC6Cfi14kjE7HL0Xet 6fJHPi2US7Up4ZPUen1RCT9lwev/WHyyB4AIInlU5GdNMMCHS7CBPHAf4xr+3MRalmgH c4Ya79fCgLlnI2l7uOJSp5yRFt+qt+FEpxesHrL49c9aZeqhWPSLwBnuwGp9vqPkByT+ 5eW2WlSvjzEg6wP7OXNv7wuWzRRtfZuh4HYZF4wPYgJc0cQFI2i2Xi3SBceNuE3jQ9rl MG4XuKAHjhTWrBrkuHkg9Sznp2pbCcoX/BUFs+v4EynBZur/OGwcnDmTkOJbT+274hnE gzCA== X-Gm-Message-State: AOJu0YzDJqGm950w3JJr2fAO0II5Y8rjsY+ZoFUblLDz3O6D+UyGTywf 8TYMp7x37DOyS3bAfJ7x2702Hp+bdX7qR945KQjQOUWFZKH0 X-Google-Smtp-Source: AGHT+IHy5N+EUzhnu1BqL7Tre6DLYWnMI3bWa4fghmRRJW5x6mn1VxPp8iENwnRyZhLbrcEvUJ7+Wd0weLI92G6ARV1U74tRU3FD Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a17:903:4282:b0:1cc:1e05:e0e7 with SMTP id ju2-20020a170903428200b001cc1e05e0e7mr1181364plb.2.1700913243801; Sat, 25 Nov 2023 03:54:03 -0800 (PST) Date: Sat, 25 Nov 2023 03:54:03 -0800 In-Reply-To: <000000000000d40c3c05fdc05cd1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b0cfb7060af8b9e1@google.com> Subject: Re: [syzbot] [udf?] KASAN: slab-use-after-free Read in udf_free_blocks From: syzbot To: akpm@linux-foundation.org, hch@lst.de, jack@suse.com, jack@suse.cz, linkinjeon@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 36273e5b4e3a934c6d346c8f0b16b97e018094af Author: Christoph Hellwig Date: Sun Nov 13 16:29:02 2022 +0000 udf: remove ->writepage bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14d71cece80000 start commit: 123212f53f3e Add linux-next specific files for 20230707 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16d71cece80000 console output: https://syzkaller.appspot.com/x/log.txt?x=12d71cece80000 kernel config: https://syzkaller.appspot.com/x/.config?x=15ec80b62f588543 dashboard link: https://syzkaller.appspot.com/bug?extid=0b7937459742a0a4cffd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15be1190a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17d4666aa80000 Reported-by: syzbot+0b7937459742a0a4cffd@syzkaller.appspotmail.com Fixes: 36273e5b4e3a ("udf: remove ->writepage") For information about bisection process see: https://goo.gl/tpsmEJ#bisection