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 E476CC43217 for ; Wed, 19 Oct 2022 05:40:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229911AbiJSFkl (ORCPT ); Wed, 19 Oct 2022 01:40:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229900AbiJSFkh (ORCPT ); Wed, 19 Oct 2022 01:40:37 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94D0149B42 for ; Tue, 18 Oct 2022 22:40:36 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id y26-20020a5d9b1a000000b006bc71505e97so12144772ion.16 for ; Tue, 18 Oct 2022 22:40:36 -0700 (PDT) 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=E0euC444GphM3Ky4TUWZPtkQzv94eUiH/s9cx8crkmw=; b=FVQ0wPXc7LtvtnLGgRH4uu5+hh8bE9IvNbPaBsClD1lMXnyVIjROBcQE6Z+SDbkAVH BPmBQwO8olI/uc65ZmSyh6YYE2dgV/zRypgS25CR1BJvrP4ga/iIZOYYOIFb7DLMlSDc AFoNgz75KOkpy0bOCt2FNMBzm8geG0wWPSlkjIl4alSxH+KoE7jQ6aA7feSJdxdfSZXa rooo5m5t5LayTeffp9vWFC9BDdYHBebvYypRf07/MgDAvno9Ulu90ndSW2qWBCwbEv6A fqBdFOLbBAvR14iKntd9bB1t5V3GaEM06TXuzWgaGrUVLYS3KzJ/x5NWxtJkKHuRUnw+ DVKA== X-Gm-Message-State: ACrzQf3AbNt02Xakr8LyNO7RJfxAjVyC6Tf/egT7KTCsrpsLbwYYnxkB gBS/xRHOAfn8aYS+hdFwmXD2hzIZJJ0OuLqWneeO+f/2YKH3 X-Google-Smtp-Source: AMsMyM4T9m8BwUnklZGcyg4fPhOp61ep3xdcuuwcU0V15MBJ0+Ytg6eDL3CT853iggs8sc2Tx4hW9ZLuPxUIimV1de/Yuwo/mz8N MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20e3:b0:2fa:3db:3585 with SMTP id q3-20020a056e0220e300b002fa03db3585mr4496787ilv.238.1666158035825; Tue, 18 Oct 2022 22:40:35 -0700 (PDT) Date: Tue, 18 Oct 2022 22:40:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dd7d5a05eb5ca523@google.com> Subject: [syzbot] UBSAN: array-index-out-of-bounds in dbDiscardAG From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com 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: 493ffd6605b2 Merge tag 'ucount-rlimits-cleanups-for-v5.19'.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=114e4eaa880000 kernel config: https://syzkaller.appspot.com/x/.config?x=d19f5d16783f901 dashboard link: https://syzkaller.appspot.com/bug?extid=f0e0fcf3cd1047ae60ad 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/f1ff6481e26f/disk-493ffd66.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/101bd3c7ae47/vmlinux-493ffd66.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f0e0fcf3cd1047ae60ad@syzkaller.appspotmail.com ERROR: (device loop2): dbAllocAG: allocation request is larger than the allocation group size ERROR: (device loop2): dbDiscardAG: -EIO ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:1567:12 index 128 is out of range for type 's64 [128]' CPU: 1 PID: 26571 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xdb/0x130 lib/ubsan.c:283 dbDiscardAG+0x9d6/0xa50 fs/jfs/jfs_dmap.c:1567 jfs_ioc_trim+0x433/0x660 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2bd/0x3d0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 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: 0033:0x7fa60c68b5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fa60d808168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa60c7abf80 RCX: 00007fa60c68b5a9 RDX: 0000000020000140 RSI: 00000000c0185879 RDI: 0000000000000003 RBP: 00007fa60c6e6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc54dd4dbf R14: 00007fa60d808300 R15: 0000000000022000 ================================================================================ --- This report is generated by a bot. 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