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 13C1DC3A59D for ; Mon, 24 Oct 2022 07:04:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230104AbiJXHEs (ORCPT ); Mon, 24 Oct 2022 03:04:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230229AbiJXHEm (ORCPT ); Mon, 24 Oct 2022 03:04:42 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A706FD01 for ; Mon, 24 Oct 2022 00:04:37 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id u11-20020a6b490b000000b006bbcc07d893so5930366iob.9 for ; Mon, 24 Oct 2022 00:04:37 -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=guQBpKVE1fSZKSKrsCy/ErG3GRc+o9cC6FZBdBYutjA=; b=Ijvq2WVejKY0D1OD1izVwuzroaLihHdJULURJxX/sk31SC0rIpe0bvq0SFG20o2Jkv SamrW2xm8RwE7q1Q3798IZLDzWyZAWpCc6j8QEzzXEVFwbKfKsD3BFEelh+FmrB/dOxt TBmVVFg4254PbBklmC8a86ZolfnuoyETbJGikWXQc5miBZCtm99Z+TsZ7OdyhLIuO+Rn 0R/ZuyCKEL6cvZnzBJIvATL8vyrdYi1sGjitDYm3p9iQ44NxDyecNgqRmjmjuDleMEtk S7v6CRNT0ko/VNb94K+Y0eNM3Ep5kmv7OLSlvaVkBg4sB1jT8zNcVYf4p6DLhgP2uvCy UPpA== X-Gm-Message-State: ACrzQf2zrTqrU2RXMR2uu6A4z0nU0OyHEUO7Yg2r37C1XY1ERfF+Lwja pzzITVqa3Yx3bqFtYb5lvwYwrAEwu3Q6CKYpQqUsdgkYnwS5 X-Google-Smtp-Source: AMsMyM7EwbZCuDoIyQG4Ron635vfyqLAh7wG4Ie5hHRvFbDKNZBBIgKkEd/stYNePJN3ZWUSnODwwzrXBHuWCgDWL25KyUnfc5rL MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1487:b0:2fa:a78c:1d8b with SMTP id n7-20020a056e02148700b002faa78c1d8bmr21651995ilk.264.1666595076614; Mon, 24 Oct 2022 00:04:36 -0700 (PDT) Date: Mon, 24 Oct 2022 00:04:36 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000086b13105ebc267f8@google.com> Subject: [syzbot] UBSAN: shift-out-of-bounds in diAllocBit 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: d47136c28015 Merge tag 'hwmon-for-v6.1-rc2' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1564d752880000 kernel config: https://syzkaller.appspot.com/x/.config?x=afc317c0f52ce670 dashboard link: https://syzkaller.appspot.com/bug?extid=cfb3836ee00e264151bc 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/93767c1bd2e7/disk-d47136c2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c8bee7ab7d48/vmlinux-d47136c2.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cfb3836ee00e264151bc@syzkaller.appspotmail.com UBSAN: shift-out-of-bounds in fs/jfs/jfs_imap.c:2039:9 shift exponent 3328 is too large for 64-bit type '__u64' (aka 'unsigned long long') CPU: 0 PID: 19191 Comm: syz-executor.2 Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 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_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 diAllocBit+0x9d7/0xd30 fs/jfs/jfs_imap.c:2039 diAllocIno fs/jfs/jfs_imap.c:1837 [inline] diAllocAG+0x1418/0x1f80 fs/jfs/jfs_imap.c:1669 diAlloc+0x3dd/0x1700 fs/jfs/jfs_imap.c:1583 ialloc+0x8c/0xa80 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x141/0xb00 fs/jfs/namei.c:225 vfs_mkdir+0x3b3/0x590 fs/namei.c:4035 do_mkdirat+0x279/0x550 fs/namei.c:4060 __do_sys_mkdir fs/namei.c:4080 [inline] __se_sys_mkdir fs/namei.c:4078 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4078 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: 0033:0x7f7246c8b5f9 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:00007f7247dad168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f7246dac050 RCX: 00007f7246c8b5f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020007040 RBP: 00007f7246ce67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5fe2b60f R14: 00007f7247dad300 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.