From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 DD5CD8F70 for ; Fri, 2 Aug 2024 01:02:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722560579; cv=none; b=C/zR0V9K16BAPjjfPIuz7/ALXwo1i9VNoud6D9x7GdauUIk5TxVFvvoLsgcWfoOnSbO8GWjhpsdC75BVwctSXZFsxcd9+jOhYbdiFx9WQnPMik/L0zMsGoBmoSTUttkH29sSoTgtdXbVHc7Mq7u4nXh4SXoeBXhY+/nhCJ03dlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722560579; c=relaxed/simple; bh=nJT4/AO/Riu8PGzuBfVJef3YG629nPMpC47LNqj98bw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Q6YOAwg0hP/q166tCoh3rfw37aKkILqvuTJsOVcGzM+yXO9qvtKhgLZ54kyC6DAmhZXnx7KqSHzpm+NqZ97qeeFufyZyo6TMdSp0qCtSVosmuem/b6EcWshfhvhyOeugmUGXDGs/7AmfmA+iIjzNLmtPCzvSEluVsngOxxbLlHI= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-81f897b8b56so318312139f.1 for ; Thu, 01 Aug 2024 18:02:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722560577; x=1723165377; 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=owsp9VXX7ARDyJqaO4lMYNokANfxMYwQvhR96uETJRc=; b=Xb/E/d24AA7IP9ynUTu5EgPBdfgo1Qxp90sb4T0r0BoBD7Ln/IntpLw5OR53XQOQrk xcY3JiJ0tTtewEioj/0C6yV5rllMe1XDXBz3DfhiFb5iRnH6kZwNtYrln+x5Q+7ARd0D BV0Y6R5AAcsfpL4Fi4sdFdDAJoosu2NsvLQxAxj6RLvsNU3Yl9b4vvq4W8/rB5kT8ea0 ricOv/jXli1r+Utu79VP2t8Kh7oJEyhrN9VisHouSrakyNx7KllhhwrKhNeXFllwsKGR quUA3K0RMSzpOYw8p0JUlFQDpml+Z7bWxfre2CXmqBBaCtLSYd4GdRbX+ucJymh5t7yk uViw== X-Gm-Message-State: AOJu0YzJ8h+djTMHTaOxfeXZHKMgvOZYm7s7UbXcoAaz38cEWNpJDvkz 9IOWaAHcGzBFXzapb1ClpGyUzsYahMOkdgTA1KwyfRDE6u+JEHNQQL5pxEbOVVKqHDxLqWIs7G2 GeWJdYV2s/gi4tFWqgD8b0Acdv+mbGFec3XTz6yHhjokAeEGv4dTBWDM= X-Google-Smtp-Source: AGHT+IEpoBC7mm0wc/gJr59FgSAdUKLzpKCEZLGH6hk4km5NGOpD2CMV7pmtMbMwt8Cn+J3euXey2kQT2ESWgrLm+LKT7uYN3Bfy Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2dc8:b0:805:e4ad:66d6 with SMTP id ca18e2360f4ac-81fd48345a1mr7481639f.0.1722560576960; Thu, 01 Aug 2024 18:02:56 -0700 (PDT) Date: Thu, 01 Aug 2024 18:02:56 -0700 In-Reply-To: <000000000000a90e8c061e86a76b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004b4ac4061ea8e39c@google.com> Subject: Re: [syzbot] Re: [syzbot] [squashfs?] KMSAN: uninit-value in pick_link From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [squashfs?] KMSAN: uninit-value in pick_link Author: lizhi.xu@windriver.com why folio not inited? #syz test: upstream 2f8c4f506285 diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 16bd693d0b3a..3c667939f1d7 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -394,6 +394,11 @@ int squashfs_read_inode(struct inode *inode, long long ino) return -EINVAL; } + if ((int)inode->i_size < 0) { + ERROR("Wrong i_size %d!\n", inode->i_size); + return -EINVAL; + } + if (xattr_id != SQUASHFS_INVALID_XATTR && msblk->xattr_id_table) { err = squashfs_xattr_lookup(sb, xattr_id, &squashfs_i(inode)->xattr_count,