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 6A791C4332F for ; Thu, 24 Nov 2022 06:39:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229675AbiKXGjl (ORCPT ); Thu, 24 Nov 2022 01:39:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229468AbiKXGjh (ORCPT ); Thu, 24 Nov 2022 01:39:37 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F321DAD12 for ; Wed, 23 Nov 2022 22:39:36 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id s1-20020a056e021a0100b003026adad6a9so688529ild.18 for ; Wed, 23 Nov 2022 22:39:36 -0800 (PST) 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=uWKhGwqKONv8lf/xZZq9190DxesFkjuqvGpZvKPrzrY=; b=cRdGrGhE6b+iwWkQnfblOCs+UNWsxQjcuxDWRfPa759dxZWtY50A3gegtrJaLvdCFJ 9DzIaUQZ1i8rb1xjGs0UW69ehdUVvKfDKlxcXhZM45BuSbaIrXSYcrx1i+2Q2CeWpE6d zXZa8MC2+XHj7B6c6IncL8K/mQRfbPcCg0qW5pqxPJD3k8U8WhrEeZQfWsXRtzc/dd5Z cBecA19VhP3VbiqUHEfyaNb2+W/y8CYCDbrX6x33uAEY5zN/d4exNyfu2upFMlJNKkD5 BzFQGslFj+lOL41RDzr7yQbu9nUaKhIHTfYuQuUWTsnbw2hEHtZlTHEuZWl3MFgeIt53 wIbQ== X-Gm-Message-State: ANoB5pnH13NfomJnbbQO1QwkJgDItyjCmEOfp73Tg2yCue5o9OklFdyu S9fkpPVens6cpCLxjrhihJCvjNRr9P/iAoiVPEI3yXjtNWgu X-Google-Smtp-Source: AA0mqf4BLaFMfuAEb3wnoMbMDrVmJ9RH3loeOz8ahJYV/DFePuUcJo/LYsy2Yc7TCvF71CiUDZh9SoPcX/9gXWjMJiPcy09VknXa MIME-Version: 1.0 X-Received: by 2002:a05:6e02:5a5:b0:300:d831:8c90 with SMTP id k5-20020a056e0205a500b00300d8318c90mr7087177ils.21.1669271975882; Wed, 23 Nov 2022 22:39:35 -0800 (PST) Date: Wed, 23 Nov 2022 22:39:35 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000027f81605ee31ab88@google.com> Subject: [syzbot] KMSAN: uninit-value in reiserfs_new_inode (2) From: syzbot To: brauner@kernel.org, damien.lemoal@opensource.wdc.com, edward.shishkin@gmail.com, glider@google.com, jack@suse.cz, jlayton@kernel.org, linuszeng@tencent.com, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com, willy@infradead.org 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: ddce02aa9c40 net: kmsan: check sk_buffs passed to __netdev.. git tree: https://github.com/google/kmsan.git master console output: https://syzkaller.appspot.com/x/log.txt?x=1200559b880000 kernel config: https://syzkaller.appspot.com/x/.config?x=1429f86b132e6d40 dashboard link: https://syzkaller.appspot.com/bug?extid=6450929faa7a97cd42d1 compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project.git 610139d2d9ce6746b3c617fb3e2f7886272d26ff), GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/40435685a7d7/disk-ddce02aa.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4960172e71de/vmlinux-ddce02aa.xz kernel image: https://storage.googleapis.com/syzbot-assets/5d91bc515d95/bzImage-ddce02aa.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6450929faa7a97cd42d1@syzkaller.appspotmail.com ===================================================== BUG: KMSAN: uninit-value in reiserfs_new_inode+0x193a/0x24e0 fs/reiserfs/inode.c:2050 reiserfs_new_inode+0x193a/0x24e0 fs/reiserfs/inode.c:2050 reiserfs_create+0x738/0xe60 fs/reiserfs/namei.c:668 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x28e9/0x5600 fs/namei.c:3710 do_filp_open+0x249/0x660 fs/namei.c:3740 do_sys_openat2+0x1f0/0x910 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __ia32_sys_creat+0xed/0x160 fs/open.c:1396 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: __alloc_pages+0x9f1/0xe80 mm/page_alloc.c:5578 alloc_pages+0xaae/0xd80 mm/mempolicy.c:2285 alloc_slab_page mm/slub.c:1794 [inline] allocate_slab+0x1b5/0x1010 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x10c3/0x2d60 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru+0x6f3/0xb30 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3117 [inline] reiserfs_alloc_inode+0x5e/0x140 fs/reiserfs/super.c:642 alloc_inode+0x83/0x440 fs/inode.c:259 iget5_locked+0xa5/0x200 fs/inode.c:1241 reiserfs_fill_super+0x212b/0x3a00 fs/reiserfs/super.c:2053 mount_bdev+0x508/0x840 fs/super.c:1401 get_super_block+0x49/0x60 fs/reiserfs/super.c:2601 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610 vfs_get_tree+0xa1/0x500 fs/super.c:1531 do_new_mount+0x694/0x1580 fs/namespace.c:3040 path_mount+0x71a/0x1eb0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x734/0x840 fs/namespace.c:3568 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3568 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 0 PID: 3857 Comm: syz-executor.2 Not tainted 6.1.0-rc6-syzkaller-63553-gddce02aa9c40 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ===================================================== --- This report is generated by a bot. 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