From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D575472F6C; Sat, 12 Sep 2026 11:38:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789213105; cv=none; b=t5PdR+8iwsMi7rpm/crOn8KHuh8FByO5CXZM5ZHi2nc85c0SSIfdeVkxI1jPoM/ix6u8s8MQAButIiuCnzHWjEsjEokr9hckbYaH26Zjuev0BV2Zx74LBtwc9ct2H6JLqMCc3yQUMK3HBqrQG9od478ewW7zauztebVESvpr+Fc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789213105; c=relaxed/simple; bh=Sm41zE/4PaRpX8s4ugvlvuBU4pNXqxcrajrsjKY4lkA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tpK4E1spvNzkyJHO9mb78WF/hptoybKYAn8to2Bz1SzDxnQQrE3RNxQ8SzeuxI9lFtgLfKrQwDfc7yWNvFcbHlUWc3GJE3DPWKQbV+c+Qd94OC4fBZ04zOjstFKJWvqyvr92shrEMLYpbGn+Iyv1RuGcXL2qtSrv7kvD5eNZlFI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DTyR8szu; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DTyR8szu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DB721F00893; Sat, 12 Sep 2026 11:38:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789213102; bh=e7/Yxxmr9tzxBcvwOFP8Geu+R7C66+HtM7NXpYHlGYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DTyR8szuGVXh1XbHuYhmuLyyvTsVEojryNdjFtPCu6l66u3Zz/lZjdcGcnxM3RwW7 oxo2ZG0ZXB1qQ+lrZIJo4bABsb2xdhk5f1zaHbOj4CFB4KYy42RcG7Lfg23WfGQnUy YnrOUGOa5sgz/P0/3ltE52Lt8MxaxKcZoaTlZ/64= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, SJ Park , Andrew Morton Subject: [PATCH 6.12 0046/1376] mm/damon/sysfs-schemes: kobject_del() scheme region dirs Date: Sat, 12 Sep 2026 08:41:12 +0200 Message-ID: <20260912065608.581506604@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.535295758@linuxfoundation.org> References: <20260912065607.535295758@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: SJ Park commit f3ec3271210781c255e737498b84d5790e8176b4 upstream. On CONFIG_DEBUG_KOBJECT_RELEASE enabled kernel, lack of kobject_del() could cause directories creation failures due to the name conflicts. Fix those issues for scheme region directories by adding kobject_del() calls. This issue was discovered [1] by Sashiko, though its analysis was partially incorrect. Link: https://lore.kernel.org/20260628220121.97360-5-sj@kernel.org Link: https://lore.kernel.org/20260517205828.6204-1-sj@kernel.org [1] Fixes: 9277d0367ba1 ("mm/damon/sysfs-schemes: implement scheme region directory") Signed-off-by: SJ Park Cc: # 6.2.x Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/damon/sysfs-schemes.c | 1 + 1 file changed, 1 insertion(+) --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -197,6 +197,7 @@ static void damon_sysfs_scheme_regions_r list_for_each_entry_safe(r, next, ®ions->regions_list, list) { list_del(&r->list); + kobject_del(&r->kobj); kobject_put(&r->kobj); regions->nr_regions--; }