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 5F2E4C433FE for ; Sun, 2 Oct 2022 11:18:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229853AbiJBLSl (ORCPT ); Sun, 2 Oct 2022 07:18:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229840AbiJBLSi (ORCPT ); Sun, 2 Oct 2022 07:18:38 -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 9D39827FE3 for ; Sun, 2 Oct 2022 04:18:37 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id l84-20020a6b3e57000000b006a3fe90910cso5312618ioa.16 for ; Sun, 02 Oct 2022 04:18:37 -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; bh=YrXxoOGDz1iGBnoxTDB/uNAm6RmhQ/BKaHcl2JVIe7g=; b=gkzfyuUkn926yM2/hWf8PqqHAseNasYb9V7igUQalLv4FvbsmwJ0eIAwM7GD+Jv/M5 Jy7IjxrQBX8iDQWJ7uy+OUHVYkE0x0QREOb8QWFL/bZ8jCl9J6YZ9YLVfQQCje+1ozfm wHtNq58gX1gSmpi0ADclqSXYmM1s5R3EGEjyaUWeZ9RnxPZFA76EX85dNu9pAHoJLqv1 EFU39TkD3tuHFZ8cpiBW0JWeSwRs2LHHuFNSOVnXMTw0MLr5KMZ/0azwUZoBPfdzjP6i /aaMr0zucVSR/bN+zz4WIAjRAKWxY3az0n0pZhLDVCg2qsbxtZHgGFc+1hNkKo6CLa9c QIGA== X-Gm-Message-State: ACrzQf0KTPYwRaNmBiTypHI1qoVJbC/lht3chjV9R8lmEbPiIiBIFTRE IdIonMEnVa1tQExpUgkSW8rqqkV5wKoIC5keaCu1zr8a9Fdl X-Google-Smtp-Source: AMsMyM5D2Fzb9QVvmrJhVhxIjyKH8VLSLDA5WbBT1hn4qwyxxAFCXPAArkkbGzuMxY02ojAuxPOP/LEEIeyu2juhdUwdJGTxZ/nl MIME-Version: 1.0 X-Received: by 2002:a05:6602:15ce:b0:6a5:22db:950b with SMTP id f14-20020a05660215ce00b006a522db950bmr7049713iow.183.1664709517034; Sun, 02 Oct 2022 04:18:37 -0700 (PDT) Date: Sun, 02 Oct 2022 04:18:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006ad0d505ea0b63ee@google.com> Subject: [syzbot] UBSAN: shift-out-of-bounds in dbAllocCtl 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: ffb4d94b4314 Merge tag 'drm-fixes-2022-10-01' of git://ano.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15877ab8880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5 dashboard link: https://syzkaller.appspot.com/bug?extid=f0e5eba3996857670c88 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/b74f52232e47/disk-ffb4d94b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b09212ee600a/vmlinux-ffb4d94b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f0e5eba3996857670c88@syzkaller.appspotmail.com ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1785:12 shift exponent 711030885 is too large for 64-bit type 'long long' CPU: 0 PID: 29745 Comm: syz-executor.2 Not tainted 6.0.0-rc7-syzkaller-00220-gffb4d94b4314 #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_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 dbAllocCtl+0x93d/0x970 fs/jfs/jfs_dmap.c:1785 dbAllocAG+0x28b/0x1100 fs/jfs/jfs_dmap.c:1334 dbAlloc+0x661/0xc90 fs/jfs/jfs_dmap.c:858 diNewIAG fs/jfs/jfs_imap.c:2500 [inline] diAllocExt fs/jfs/jfs_imap.c:1898 [inline] diAllocAG+0xaf6/0x1f80 fs/jfs/jfs_imap.c:1662 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:4013 do_mkdirat+0x279/0x550 fs/namei.c:4038 __do_sys_mkdirat fs/namei.c:4053 [inline] __se_sys_mkdirat fs/namei.c:4051 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4051 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: 0033:0x7fd56248a5a9 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:00007fd563556168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fd5625abf80 RCX: 00007fd56248a5a9 RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 RBP: 00007fd5624e5580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd10304c1f R14: 00007fd563556300 R15: 0000000000022000 ================================================================================ --- This report is generated by a bot. 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