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 C1A38C433F5 for ; Tue, 4 Oct 2022 08:50:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230328AbiJDIuv (ORCPT ); Tue, 4 Oct 2022 04:50:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230324AbiJDIuq (ORCPT ); Tue, 4 Oct 2022 04:50:46 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8947124BDB for ; Tue, 4 Oct 2022 01:50:45 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id e14-20020a6b500e000000b006a13488a320so8505500iob.12 for ; Tue, 04 Oct 2022 01:50:45 -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=mFwuOFYdWVs0cNRuvJd+SgtJheoVJ15OPAHtEUyzi/o=; b=wOeViffnH3DWkCrTiWja9jGJ05/3XC5pnJRXSp09EVvGm6Mrfx87VDWZGS8q6bp1KU h72IVxcrpOuhiK3/QHsOmagbeSosPZJbiNZRqSXNYwhzdUdns+Hf2o/fUAANzWY5IeI6 BpUgkVstc1xwdHTcWr3LH70YjueWc52WG8H8rszIRiwOyfpRc/sEu3gTc+Bjd5hbWFmC ieYYUnJU42IJ54edHAXWTk1x37PiJbqs3tbxLCqZxpj2TO2kuc308lGN35knV2+DlD5s tMz/kKPnCHieGrQMR+1o9ddZTVT5Tc/8Vlz5XpdL/79ay0XxNvtSUt1xx4nnnvpQi0OQ 3R8A== X-Gm-Message-State: ACrzQf1vJh23fCIdj+AERPIRGLRq8A0g7LBH+7qTXBcdBa495OOc08Ms 8m/gUdOYMp4B5J2RQ4wVjDLdR+7DpMpEY2E/ySC/8hIrc/F7 X-Google-Smtp-Source: AMsMyM5xVl8vJ+/ouhp0JVkPM87d8EPdtJhtIgeHpw12QfLqnV0M+pR/Xi4gcPH1Fwm4FH8NXmM5c0lPsOJd/oMJNRB8dBo9Tjcb MIME-Version: 1.0 X-Received: by 2002:a6b:8e43:0:b0:6a2:a115:7f01 with SMTP id q64-20020a6b8e43000000b006a2a1157f01mr10204379iod.47.1664873444775; Tue, 04 Oct 2022 01:50:44 -0700 (PDT) Date: Tue, 04 Oct 2022 01:50:44 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000459c6205ea318e35@google.com> Subject: [syzbot] UBSAN: array-index-out-of-bounds in xtSearch 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: a962b54e162c Merge tag 'i2c-for-6.0-rc8' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1441fa0a880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5 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 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7cf7771c181a/disk-a962b54e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/dcd5516984d8/vmlinux-a962b54e.xz 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: 1533 Comm: syz-executor.1 Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c #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 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 __block_write_begin_int+0x5f6/0x1ba0 fs/buffer.c:2006 __block_write_begin fs/buffer.c:2056 [inline] block_write_begin+0x93/0x1e0 fs/buffer.c:2117 jfs_write_begin+0x2d/0x60 fs/jfs/inode.c:304 generic_perform_write+0x2a8/0x5b0 mm/filemap.c:3738 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3866 generic_file_write_iter+0xab/0x310 mm/filemap.c:3898 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: 0033:0x7efc6de8a5a9 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:00007efc6cddd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007efc6dfac050 RCX: 00007efc6de8a5a9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000003 RBP: 00007efc6dee5580 R08: 0000000000000000 R09: 0000000000000000 R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1677525f R14: 00007efc6cddd300 R15: 0000000000022000 ================================================================================ --- This report is generated by a bot. 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