From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51EF8C47089 for ; Mon, 5 Dec 2022 08:02:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231844AbiLEICq (ORCPT ); Mon, 5 Dec 2022 03:02:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231819AbiLEICk (ORCPT ); Mon, 5 Dec 2022 03:02:40 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CECFBCF for ; Mon, 5 Dec 2022 00:02:38 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id a14-20020a921a0e000000b00302a8ffa8e5so11461639ila.2 for ; Mon, 05 Dec 2022 00:02:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=yqxrsKN+H0HttrZ3bVe8/YeNqea6lzdAdrNkmmS7BQ4=; b=HYKflkoKIHSYrqEsVlxIgozGVegYhNLqit8GigywozRWP3zx9Au6EyQ2ovCvsBO10T EbZbDWkGqkzccCjusu00NwXimM5pdMAlGr9Q0mX24+JZehrj/zHJAn5hYREV1ODCPr6j jCj34HhP94LZ8zK7F9+2azN2xK+375lSO4NJohrd+nY/Lz1n1RtHNmqcCh23hDU3yrXr UfA3GibI9rV5fi2ZEGzqGocgaGNaAdlBiLHXKajUhL88aYScnFoWWWKqODvYcA7jBZre 9LRxu4NQpSc3jPCCIL27sbnHM54BbN4yXiNxyQB0KE4VjeaGyUzQTIqGLU9VkGm8Ei64 deVA== X-Gm-Message-State: ANoB5pm6/K5+1QHoZsfB6XtIyoI4hYGLH6kKQIkwzUAh9G5fPAvMPJcU QsKkfFqUJxK9OCSe4zVeGFH0V6foDFjcg9+P/7GKOaG5H3Fz X-Google-Smtp-Source: AA0mqf6zJcaH711WwLDTsycHAVN3q+BqnSGUKtaRSbvAN/y8HTSMRevRNQJM1ikJOW7mlW1rt92MY9uCB0KP26o6eSijLgtubV4j MIME-Version: 1.0 X-Received: by 2002:a5d:9f1a:0:b0:6df:f1ea:70f9 with SMTP id q26-20020a5d9f1a000000b006dff1ea70f9mr4701796iot.3.1670227357589; Mon, 05 Dec 2022 00:02:37 -0800 (PST) Date: Mon, 05 Dec 2022 00:02:37 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000057fa4605ef101c4c@google.com> Subject: [syzbot] WARNING in hfsplus_free_extents From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: c2bf05db6c78 Merge tag 'i2c-for-6.1-rc8' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=169efe83880000 kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=8c0bc9f818702ff75b76 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4476d2eff1ae/disk-c2bf05db.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/0f4a704ffc14/vmlinux-c2bf05db.xz kernel image: https://storage.googleapis.com/syzbot-assets/dfb09481a98b/bzImage-c2bf05db.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8c0bc9f818702ff75b76@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4400 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x700/0xad0 Modules linked in: CPU: 0 PID: 4400 Comm: syz-executor.2 Not tainted 6.1.0-rc7-syzkaller-00200-gc2bf05db6c78 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:hfsplus_free_extents+0x700/0xad0 fs/hfsplus/extents.c:346 Code: 0f cb 44 89 ef 89 de e8 3e 27 2f ff 41 39 dd 75 20 49 83 c7 28 e8 90 25 2f ff 41 bc 05 00 00 00 e9 e3 f9 ff ff e8 80 25 2f ff <0f> 0b e9 86 f9 ff ff 44 89 ef 89 de e8 0f 27 2f ff 41 29 dd 73 0a RSP: 0000:ffffc90015d0f7f0 EFLAGS: 00010287 RAX: ffffffff825b74b0 RBX: ffff888075df8820 RCX: 0000000000040000 RDX: ffffc90005a7c000 RSI: 00000000000104a4 RDI: 00000000000104a5 RBP: ffff88802ea40000 R08: dffffc0000000000 R09: ffffed10055f140a R10: ffffed10055f140a R11: 1ffff110055f1409 R12: 0000000000000124 R13: 0000000000000027 R14: 0000000000000002 R15: ffff8880685ebd18 FS: 00007f2ea3f28700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4fb2a7fc00 CR3: 000000006dd64000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x768/0xbb0 fs/hfsplus/extents.c:606 hfsplus_write_begin+0xc2/0xd0 fs/hfsplus/inode.c:56 cont_expand_zero fs/buffer.c:2383 [inline] cont_write_begin+0x2cf/0x860 fs/buffer.c:2446 hfsplus_write_begin+0x86/0xd0 fs/hfsplus/inode.c:52 generic_cont_expand_simple+0x151/0x250 fs/buffer.c:2347 hfsplus_setattr+0x168/0x280 fs/hfsplus/inode.c:263 notify_change+0xe38/0x10f0 fs/attr.c:420 do_truncate+0x1fb/0x2e0 fs/open.c:65 do_sys_ftruncate+0x2eb/0x380 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2ea328c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2ea3f28168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f2ea33abf80 RCX: 00007f2ea328c0d9 RDX: 0000000000000000 RSI: 0000000002008000 RDI: 0000000000000005 RBP: 00007f2ea32e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe834f28ff R14: 00007f2ea3f28300 R15: 0000000000022000 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.