From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4335F199237 for ; Wed, 19 Feb 2025 15:22:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739978525; cv=none; b=FGdU5JWumGNJj6mJNuDSR1h2DLB3uRORMrI1hHNePVOI0GucgTjTC9lX2+OP4PVjoqzYB8oWVabb8tJzKT5lh485DRDZGAqbOJzMXjdW4SywDJQ/LjoqZvQcpIy+U0jzQ5s+Be8F0QvAAo8t0ArrZwRuqGKqdbonYXbflMmRjGA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739978525; c=relaxed/simple; bh=4N9YU7DXKJzFyEmx0jv9ElThmWrBE1miv8K91qBPN4Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AeTP9e9gBSu0D43q2Ch26t+hQdBPH1DO9ke2F4ofyJK5Hyz4Zq7Oyne/f028/zaVu3qUwthBOngjOZBV0lKNH5B5XqqXdp8HkhjwgfH5sSQQFcQUvtZKrgTCnfd6YBaMxHmKzwPH/ADMvdP2I6Yb+XlqO5JZnBiZwzMM0AwSexQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3d2a6ead92fso43078655ab.2 for ; Wed, 19 Feb 2025 07:22:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739978523; x=1740583323; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OilmRa300duwRM9T9ZbrV1Ok0eif2kegAK0SF8cFU7k=; b=ovLmkOCSM9G5I7R9XiXoSkcXCz7bqQJ4O/JNyCYKR5soTHSVTdKZvh5BC17bqQHBYj xhanqB6tTn831teFcOAyaM+tDVnWm8C/jaK/Cqm+BqA1oIGe4NkO7eTK7yiUURUxlwCW ZpOqTOLppwZxrddxj+72xxafgxfrxnNIiEATo+R2Vj54l1MSwrKbegAsKpEq5nN6NfSj 4MSdccqRuKUgs8OHAvR6N4lkbctVki5ElQujVP+g4DAXmMOhGwqPsYUaS9q1IUTeYyqT HukkRgKjeewRWalZy6+qAljyEH0NW/AXUIA9JitZ6qY6/TdMix2S7rzO4FM5fgOUYpeD QImw== X-Forwarded-Encrypted: i=1; AJvYcCX1bwt/NoRfx1MheCanol+a5gisFJQwEBNF+O4Hgfb0pk9i6J3K8FU3OD6DG+Q+XK/usKenG1AEpkFwJ3I=@vger.kernel.org X-Gm-Message-State: AOJu0YzJ86HTsVfPYg7OHsyYA1ofPdJCjc5Awwcxu4J2tADqBnr+FVhQ msUctreG3RjHaIV3x7Ss2isJ6p5nzW2DH+b5GHLLc72sVTrGljKwP7wJrIBXnSKwTbAfOp1gSUN OVJ3Lekg3kinp1SiPDA/J2RAHGByTGqCyTjsmVzxO+JBecggvAYi28kE= X-Google-Smtp-Source: AGHT+IHpmpS3kQQIfIk7bNz/7QzzgRGsWjyAoU1brWCqeCYqadvxpRX5oZivbowrWaJ+TYOl5XTxryABVfyQDqiJVbnOVsd8c3Cc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d85:b0:3d2:75bc:71a with SMTP id e9e14a558f8ab-3d28078dc2cmr180909915ab.1.1739978523268; Wed, 19 Feb 2025 07:22:03 -0800 (PST) Date: Wed, 19 Feb 2025 07:22:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67b5f71b.050a0220.14d86d.013b.GAE@google.com> Subject: Re: [syzbot] [jfs?] KMSAN: uninit-value in diFree From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: KMSAN: uninit-value in diFree ERROR: (device loop0): diUpdatePMap: the iag is outside the map ERROR: (device loop0): remounting filesystem as read-only ===================================================== BUG: KMSAN: uninit-value in hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171 hex_dump_to_buffer+0x888/0x1100 lib/hexdump.c:171 print_hex_dump+0x13d/0x3e0 lib/hexdump.c:276 diFree+0x5ba/0x4350 fs/jfs/jfs_imap.c:878 jfs_evict_inode+0x510/0x550 fs/jfs/inode.c:156 evict+0x723/0xd10 fs/inode.c:796 iput_final fs/inode.c:1946 [inline] iput+0x97b/0xdb0 fs/inode.c:1972 txUpdateMap+0xf3e/0x1150 fs/jfs/jfs_txnmgr.c:2367 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x627/0x11d0 fs/jfs/jfs_txnmgr.c:2733 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Uninit was created at: slab_post_alloc_hook mm/slub.c:4121 [inline] slab_alloc_node mm/slub.c:4164 [inline] __kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [inline] diMount+0x61/0x850 fs/jfs/jfs_imap.c:105 jfs_mount+0xa8e/0x11d0 fs/jfs/jfs_mount.c:176 jfs_fill_super+0xa47/0x17c0 fs/jfs/super.c:523 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636 get_tree_bdev+0x37/0x50 fs/super.c:1659 jfs_get_tree+0x34/0x40 fs/jfs/super.c:635 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814 do_new_mount+0x71f/0x15e0 fs/namespace.c:3560 path_mount+0x742/0x1f10 fs/namespace.c:3887 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x71f/0x800 fs/namespace.c:4088 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4088 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.14.0-rc3-syzkaller-00060-g6537cfb395f3-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ===================================================== Tested on: commit: 6537cfb3 Merge tag 'sound-6.14-rc4' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=103f2fdf980000 kernel config: https://syzkaller.appspot.com/x/.config?x=8cf1217edc1cc7da dashboard link: https://syzkaller.appspot.com/bug?extid=df6cdcb35904203d2b6d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=13f49ae4580000