From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (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 051C43CCFC3 for ; Sun, 27 Sep 2026 13:07:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790514468; cv=none; b=djdu0ScXmkFMv9JnNIqoQI7PBnBjtm8YZ1vi5YShpdgg/tE/zhWD9D5MBVP4V7egT03bv7sl3X1Z/J6P0zR4GS6QfXteH2L5MXrdi1hrud3DpsI64v++Wkoce7/UOiKW/M2Hplvpzq9+KeMzE/ND3JbjJvfeDhJp9hw68jlD3dk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790514468; c=relaxed/simple; bh=1uiG0hCYE+z7l383p+gzPYX4rP0Xm59TyzGU+LUo/go=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QUVVj6LQR/xj+hhN9xY2nXscyIRzRc4JhAZBnJD31/OctbfqLrQFzm1s01w76K8/EMMFKZAX66GDZn8D5BdzE1Fe4Xc74C21Km2p7lHk6CuX9Vpgt6x6WdxKno/FHboCADaSMv6VAIY4ywxAxvsmR4teSP4a6kQQVssue8HkKVM= 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=209.85.167.199 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-oi1-f199.google.com with SMTP id 5614622812f47-4c55ba309c2so4253979b6e.1 for ; Sun, 27 Sep 2026 06:07:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790514466; x=1791119266; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=k/J+DlpS5Ec8nlKW9XpExUuS4z2T3hRM8foEp6+Ax6s=; b=sr0FOKtrEMKhIEv5DkKAU6S1FaOVRGzZ+frcS0dfOklakC6clozRiS9sH+1o+4REey iBx+pT9VlDbWfeAVaNnNIzD3kSb3Wl2fEIA8lHe0Mv4dlFl74wsM8jknRYKOB1LV9s+9 dPcPFkSHPILTkkqfZ/3G9DNv1yJJykdEbqzWHPpYXY/glBZY6QQxcShap/UaOlNvKg7B PgsAFis41Pyf8Oxjhrsvg7Ge1lJJNqIoXiorx8/7HPPeURtHzfaOo/1D3wN1CZmsUWm+ 6p/ayNbqaeqmcvZzsB96cDv1YCXF4U5uCivW4AFRCU2oRQVBe163+RdffCLmzPZOKN86 7ZRQ== X-Gm-Message-State: AFuF++lmVqku3buWYDH4FVChvYpWQ7UCoAPmTL+5BaDW/X614q8TOBiI 0Da+LPPl+xuCZUSh8W3LeHowwz+qfcjuTndbV6VGdpN9rRjZL2Ac1+HEBZgWxO34bIa0swW9utW WPduVa7ABnUFa5PMpeRCBu5ARoy47JBCWY8qvGXzJP6vKttmff9H0T6+7E9Y= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:3c48:b0:4d6:90f4:48ab with SMTP id 5614622812f47-4d72e66505dmr10526667b6e.45.1790514465937; Sun, 27 Sep 2026 06:07:45 -0700 (PDT) Date: Sun, 27 Sep 2026 06:07:45 -0700 In-Reply-To: <6ab10ffa.a6af0033.177e91.0014.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab91521.80e1c6cc.1e8e5f.0059.GAE@google.com> Subject: Forwarded: [PATCH] Test for a forgotten shrink_stripes in the grow_stripes. From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: [PATCH] Test for a forgotten shrink_stripes in the grow_stripes. Author: nsvatoslav515@gmail.com #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6812ce4e4379 Signed-off-by: Svyatoslav Nikolenko --- drivers/md/raid5.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index b91545ce090d..326409ca0cfb 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0-or-later +/// SPDX-License-Identifier: GPL-2.0-or-later /* * raid5.c : Multiple Devices driver for Linux * Copyright (C) 1996, 1997 Ingo Molnar, Miguel de Icaza, Gadi Oxman @@ -2441,9 +2441,12 @@ static int grow_stripes(struct r5conf *conf, int num) conf->pool_size = devs; while (num--) if (!grow_one_stripe(conf, GFP_KERNEL)) - return 1; + goto err; return 0; +err: + shrink_stripes(conf); + return 1; } /** -- 2.47.3