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 19D12C4332F for ; Sun, 25 Dec 2022 04:15:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbiLYEPp (ORCPT ); Sat, 24 Dec 2022 23:15:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbiLYEPl (ORCPT ); Sat, 24 Dec 2022 23:15:41 -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 5030E627D for ; Sat, 24 Dec 2022 20:15:40 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id r6-20020a92cd86000000b00304b2d1c2d7so5026199ilb.11 for ; Sat, 24 Dec 2022 20:15:40 -0800 (PST) X-Google-DKIM-Signature: v=1; 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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: 72a85e2b0a1e Merge tag 'spi-fix-v6.2-rc1' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16d22974480000 kernel config: https://syzkaller.appspot.com/x/.config?x=4e2d7bfa2d6d5a76 dashboard link: https://syzkaller.appspot.com/bug?extid=76a072c2f8a60280bd70 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15802088480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/510d16df06c8/disk-72a85e2b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/50ef5477a1d4/vmlinux-72a85e2b.xz kernel image: https://storage.googleapis.com/syzbot-assets/f2acd6f1189a/bzImage-72a85e2b.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/5e378294b8d6/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+76a072c2f8a60280bd70@syzkaller.appspotmail.com ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_xtree.c:360:4 index 19 is out of range for type 'xad_t [18]' CPU: 1 PID: 5414 Comm: syz-executor.0 Not tainted 6.1.0-syzkaller-14594-g72a85e2b0a1e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xe0/0x110 lib/ubsan.c:282 xtSearch+0x709/0x1cb0 fs/jfs/jfs_xtree.c:360 xtLookup+0x235/0x880 fs/jfs/jfs_xtree.c:152 extHint+0x204/0x630 fs/jfs/jfs_extent.c:215 jfs_get_block+0x2e3/0xce0 fs/jfs/inode.c:246 get_more_blocks fs/direct-io.c:665 [inline] do_direct_IO fs/direct-io.c:953 [inline] __blockdev_direct_IO+0x1737/0x3bf0 fs/direct-io.c:1266 blockdev_direct_IO include/linux/fs.h:3213 [inline] jfs_direct_IO+0xf6/0x1e0 fs/jfs/inode.c:331 generic_file_direct_write+0x294/0x610 mm/filemap.c:3696 __generic_file_write_iter+0x1c4/0x400 mm/filemap.c:3856 generic_file_write_iter+0xab/0x310 mm/filemap.c:3932 do_iter_write+0x6c2/0xc20 fs/read_write.c:861 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0xe6/0x1c0 fs/splice.c:931 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886 do_splice_direct+0x279/0x3d0 fs/splice.c:974 do_sendfile+0x5fb/0xf80 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309 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: 0033:0x7f9065c8c0a9 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:00007f90669ab168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f9065dac050 RCX: 00007f9065c8c0a9 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007 RBP: 00007f9065ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe07df477f R14: 00007f90669ab300 R15: 0000000000022000 ================================================================================