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 711DCC6FD1D for ; Mon, 20 Mar 2023 19:34:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230148AbjCTTea (ORCPT ); Mon, 20 Mar 2023 15:34:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230116AbjCTTd6 (ORCPT ); Mon, 20 Mar 2023 15:33:58 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94BFC28EBE for ; Mon, 20 Mar 2023 12:28:49 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id h19-20020a056e021d9300b00318f6b50475so6639553ila.21 for ; Mon, 20 Mar 2023 12:28:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679340529; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=twO0cBgqHVuadLiEtqwEUyKk2bd1+BbcRIByatF2Y98=; b=FmwGzpyhV3Bq/uOGKVIOAf5/VoJxiNwa1gHOdiegOHqCuKlFaO3py3FJvpco4RzEjo 6uZCi0lCQyxkTLaMXGAVyrssBvvpRlXq30QUtvYmkJp94GCzcxI0msBJ0rSNKcvJHDc4 1hwFmo+5Cv+TgFqVSkdORk/L7I1eTRY+74YwoBxUspjjR57w93CuezgN4KEe/0cPIgVn moJLKqIU2Fs5a0NBJys2K0N5T8k3BbISekSH/vNfCGz6tuFI+8pkSpvjXJdMsIrOBKZP 64hbny0E3K2lxX7sTdcpiCchMgdrkBQ4SXUQPxL0sAk8H6Kznrm4UNC0QbTd6hJOhqV9 W4OQ== X-Gm-Message-State: AO0yUKVeEChgbsZ1hEKkswmu0+22lT/AYG9sxIm3whDFPfettJNsjxLt ZT6GBIvUl+eo/OQ0jQcGvVO1gOuxYn2f4AsCnB4uNB9K+msy X-Google-Smtp-Source: AK7set+iH8yfyr5kAlbGh7l8msoSzx8Xt30vZFsOBN5uDeZYu2R+lEcdKLa+MW5d2J+F/gkxELLSa/C7VX9aoMMfCqDkgXX2cSTF MIME-Version: 1.0 X-Received: by 2002:a02:2a04:0:b0:3c4:88e7:14cf with SMTP id w4-20020a022a04000000b003c488e714cfmr442022jaw.1.1679340528905; Mon, 20 Mar 2023 12:28:48 -0700 (PDT) Date: Mon, 20 Mar 2023 12:28:48 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000aec88d05f759ef57@google.com> Subject: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbFree From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, 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-fsdevel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 0ddc84d2dd43 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=17f30826c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=dbab9019ad6fc418 dashboard link: https://syzkaller.appspot.com/bug?extid=d2cd27dcf8e04b232eb2 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1211504ac80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1447df1ac80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f1aef650a28e/disk-0ddc84d2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ab9d7540bffe/vmlinux-0ddc84d2.xz kernel image: https://storage.googleapis.com/syzbot-assets/cf0758e28298/bzImage-0ddc84d2.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/bd86262b7da2/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d2cd27dcf8e04b232eb2@syzkaller.appspotmail.com option from the mount to silence this warning. ======================================================= find_entry called with index = 0 read_mapping_page failed! ERROR: (device loop0): txCommit: ERROR: (device loop0): remounting filesystem as read-only ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:381:12 shift exponent 134217736 is too large for 64-bit type 'long long' CPU: 1 PID: 5068 Comm: syz-executor350 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 lib/ubsan.c:387 dbFree+0x46e/0x650 fs/jfs/jfs_dmap.c:381 txFreeMap+0x96a/0xd50 fs/jfs/jfs_txnmgr.c:2510 xtTruncate+0xe5c/0x3260 fs/jfs/jfs_xtree.c:2467 jfs_free_zero_link+0x46e/0x6e0 fs/jfs/namei.c:758 jfs_evict_inode+0x35f/0x440 fs/jfs/inode.c:153 evict+0x2a4/0x620 fs/inode.c:665 __dentry_kill+0x436/0x650 fs/dcache.c:607 shrink_dentry_list+0x39c/0x6a0 fs/dcache.c:1201 shrink_dcache_parent+0xcd/0x480 do_one_tree+0x23/0xe0 fs/dcache.c:1682 shrink_dcache_for_umount+0x7d/0x120 fs/dcache.c:1699 generic_shutdown_super+0x67/0x340 fs/super.c:472 kill_block_super+0x7e/0xe0 fs/super.c:1398 deactivate_locked_super+0xa4/0x110 fs/super.c:331 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1177 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:869 do_group_exit+0x206/0x2c0 kernel/exit.c:1019 __do_sys_exit_group kernel/exit.c:1030 [inline] __se_sys_exit_group kernel/exit.c:1028 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1028 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa87e2289b9 Code: Unable to access opcode bytes at 0x7fa87e22898f. RSP: 002b:00007fff4bfe3938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fa87e2a3330 RCX: 00007fa87e2289b9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fa87e29de40 R10: 00007fff4bfe3850 R11: 0000000000000246 R12: 00007fa87e2a3330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 ================================================================================ --- 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches