From nobody Fri Nov 22 11:13:25 2024 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) (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 5DA54187876 for ; Fri, 15 Nov 2024 22:26:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731709584; cv=none; b=SL4Yxd5oHCaYuvHlhmRK5HLrJ72NaJPVtaCoLkkJWRnQ81ZtXHe+oiohFQmQPjHuaY2d4YmO975sqWvLhgHN3WJR/3slKBDj6VwXSb3IM1djeIelpzGVF9hPmTWK6AwgFfCnItrAVDpIxiSyFYoKAazYbUpNrSuKtS3BNK+ktHY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731709584; c=relaxed/simple; bh=zv2kRmZ0zwfoCSsullziMlgUgBWI3MPelQST3WNVw2k=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=j2d3QEbzNGlmld2E4y/6FGW91DrgdrfKE/uu122H90PAGfUVT75zBWWNRlstasSPFz8iWJw3PzjQmz0jz1AMqVEPDel9Wj5zqG4us6/ILtA7a8vrXtk+vm6fDVWTrWszBQFk2Oo1CZdq3+MdG63zPJBGUSWfwXiQZwMEA8U8LMA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mandelbit.com; spf=pass smtp.mailfrom=mandelbit.com; dkim=pass (2048-bit key) header.d=mandelbit.com header.i=@mandelbit.com header.b=aAe2jjqK; arc=none smtp.client-ip=209.85.128.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mandelbit.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mandelbit.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mandelbit.com header.i=@mandelbit.com header.b="aAe2jjqK" Received: by mail-wm1-f42.google.com with SMTP id 5b1f17b1804b1-43155abaf0bso1296725e9.0 for ; Fri, 15 Nov 2024 14:26:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mandelbit.com; s=google; t=1731709579; x=1732314379; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=C8Xp5DchzBLMx2DW4umYiCSRYu9AVer3xBbdskCBDnE=; b=aAe2jjqK3RwoMGlpC9shwHAlmxbvT8XglF9/mkIe5WkSboH6RSbsrHGbkiJx4ZkvHx XFaBIoek1+dG3pjMXabGYvD8N7oNuTsCkEfvMBtLVY0e5G+oA42UyowjwjrzBYODanef hWu5TqJeKeTqqYtVZe9gDr2zX1rcWBp02k1AQmZiCzjI20qjA24JCDIZNZ6qoZy5cki/ ABbXFtQfOp7OjDk9/0OxfbSaeicywKpeJhjV9CYYQSNzhwaQ2jq+n4Gn46Ot2+EE+Af+ H3Edrs2aEfsc4jGIpOUOw8HOx05ivxfhE60babq9Rr7/0yb5vjXxgipv/RcnPzQygN/n OOdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731709579; x=1732314379; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=C8Xp5DchzBLMx2DW4umYiCSRYu9AVer3xBbdskCBDnE=; b=UjmLjYpTGyA8NbETFDcl1W/qn8Tn0cNyAXeXuz+YBsvDvon292o4+VUshbxeeLi50g 0Awsn6iEKiCYeZXcklwoVjInOpHb9Ys8tLjSFtRTdpWTzaW9H/Qvb9wIwfZ185QqY0PH OiwrA++Le8ay2qy8qrWMH0sU1W4V9v/VLUGti8N99cytp0YlHzpAasxnoEnCNk54n3To /9pHCx3XBMhKWdHS0QE3GyZZiCFs2CBXTCWm78gSHWyBErM+mKDi122lZH+UE9s5MqVV q3yobgmxRMmR3pMcsB3Z5ulztDIfpB4kdajmiMvWhxRg7K/kyLaNea9u86JeE+h1MPD9 yo+A== X-Forwarded-Encrypted: i=1; AJvYcCVK2FoFXwsrs69OgTQdAJQg+8KS934Cv9v1wMHqRSHSZdkgl81GSiyW1UEW7h5zCtkk1yB6DsDsNorAglY=@vger.kernel.org X-Gm-Message-State: AOJu0YzPQKfU+g9YoQl3eOTQ86Y7yKN0YaZMwQlVWs9oFw5+caKCmc/h Nb6pqc/f9MMfUVlopgCdUrpc9Qi5HMOTMJyMHah4+bLK9UxNgIDjk961fd+m1H4= X-Google-Smtp-Source: AGHT+IHeJP49UiLk1+A21zLZ9ga84quFsvsfDwLTyueK66j1t98EbwAOHupzp6aQwxL0DRmf+jG8zw== X-Received: by 2002:a05:600c:1ca2:b0:42b:a7c7:5667 with SMTP id 5b1f17b1804b1-432df7876d4mr35648385e9.25.1731709579711; Fri, 15 Nov 2024 14:26:19 -0800 (PST) Received: from serenity.mandelbit.com ([2001:67c:2fbc:1:1b94:c354:f504:96f9]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3821d0ea3e2sm5115774f8f.109.2024.11.15.14.26.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Nov 2024 14:26:19 -0800 (PST) From: Antonio Quartulli To: linux-mtd@lists.infradead.org Cc: Antonio Quartulli , Richard Weinberger , Zhihao Cheng , linux-kernel@vger.kernel.org Subject: [PATCH] ubifs: fix uninitialized variable usage Date: Fri, 15 Nov 2024 23:26:34 +0100 Message-ID: <20241115222634.32259-1-antonio@mandelbit.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In ubifs_jnl_write_inode(), when an inode cannot be deleted due to too many xattrs, err is passed to ubifs_ro_mode() uninitialized, thus leading to bogus error reporting. Fix this case by passing -EPERM, which is the same value that ubifs_jnl_write_inode() is going to return to the caller. This fixes 1 UNINIT issue reported by Coverity Report: CID 1601860: Uninitialized scalar variable (UNINIT) Cc: Richard Weinberger Cc: Zhihao Cheng Cc: linux-kernel@vger.kernel.org (open list) Signed-off-by: Antonio Quartulli --- fs/ubifs/journal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 8e98be642371..5eedf511880c 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -983,7 +983,7 @@ int ubifs_jnl_write_inode(struct ubifs_info *c, const s= truct inode *inode) =20 if (kill_xattrs && ui->xattr_cnt > ubifs_xattr_max_cnt(c)) { ubifs_err(c, "Cannot delete inode, it has too much xattrs!"); - ubifs_ro_mode(c, err); + ubifs_ro_mode(c, -EPERM); return -EPERM; } =20 --=20 2.45.2