{"id":2228129,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228129/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260425125426.3855807-11-dhowells@redhat.com/","project":{"id":12,"url":"http://patchwork.ozlabs.org/api/1.1/projects/12/?format=json","name":"Linux CIFS Client","link_name":"linux-cifs-client","list_id":"linux-cifs.vger.kernel.org","list_email":"linux-cifs@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260425125426.3855807-11-dhowells@redhat.com>","date":"2026-04-25T12:54:14","name":"[v3,10/19] netfs: Fix leak of request in netfs_write_begin() error handling","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"37583c13953b134c69d327c18f6310f5f21a234e","submitter":{"id":59,"url":"http://patchwork.ozlabs.org/api/1.1/people/59/?format=json","name":"David Howells","email":"dhowells@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260425125426.3855807-11-dhowells@redhat.com/mbox/","series":[{"id":501437,"url":"http://patchwork.ozlabs.org/api/1.1/series/501437/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=501437","date":"2026-04-25T12:54:04","name":"netfs: Miscellaneous fixes","version":3,"mbox":"http://patchwork.ozlabs.org/series/501437/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228129/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228129/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-cifs@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=TYKp8Dg2;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; 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c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1777121728;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\t to:to:cc:cc:mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=/BtyRY9+hFtAe12V1Tupp9IRsYh3wXdEmKBtkAVoEyc=;\n\tb=TYKp8Dg2Qt23j+U/uRcVodqe2BkJBcGhOZ+Z5W0SUpEto+W1sbHChHvCgIA/KJ7RsxKWds\n\t5hlMxHwLGq7NrPdn+TIpfv9BpzagtlShl3CtgEZpQwPU20FP5c15qLkqQhO5jmY2+AKqeN\n\th0ExCeAX5Qvfqzi3JqhXDm65F/47Gd0=","X-MC-Unique":"q9477iFjMsCcR9bZuxU6dw-1","X-Mimecast-MFC-AGG-ID":"q9477iFjMsCcR9bZuxU6dw_1777121723","From":"David Howells ","To":"Christian Brauner ","Cc":"David Howells ,\n\tPaulo Alcantara ,\n\tnetfs@lists.linux.dev,\n\tlinux-afs@lists.infradead.org,\n\tlinux-cifs@vger.kernel.org,\n\tceph-devel@vger.kernel.org,\n\tlinux-fsdevel@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tMatthew Wilcox ","Subject":"[PATCH v3 10/19] netfs: Fix leak of request in netfs_write_begin()\n error handling","Date":"Sat, 25 Apr 2026 13:54:14 +0100","Message-ID":"<20260425125426.3855807-11-dhowells@redhat.com>","In-Reply-To":"<20260425125426.3855807-1-dhowells@redhat.com>","References":"<20260425125426.3855807-1-dhowells@redhat.com>","Precedence":"bulk","X-Mailing-List":"linux-cifs@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Scanned-By":"MIMEDefang 3.4.1 on 10.30.177.4"},"content":"Fix netfs_write_begin() to not leak our ref on the request in the event\nthat we get an error from netfs_wait_for_read().\n\nFixes: 4090b31422a6 (\"netfs: Add a function to consolidate beginning a read\")\nCloses: https://sashiko.dev/#/patchset/20260414082004.3756080-1-dhowells%40redhat.com\nSigned-off-by: David Howells \ncc: Paulo Alcantara \ncc: Matthew Wilcox \ncc: netfs@lists.linux.dev\ncc: linux-fsdevel@vger.kernel.org\n---\n fs/netfs/buffered_read.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c\nindex 3fe129a9b1c3..0ba224d23f0f 100644\n--- a/fs/netfs/buffered_read.c\n+++ b/fs/netfs/buffered_read.c\n@@ -689,9 +689,9 @@ int netfs_write_begin(struct netfs_inode *ctx,\n \n \tnetfs_read_to_pagecache(rreq, NULL);\n \tret = netfs_wait_for_read(rreq);\n+\tnetfs_put_request(rreq, netfs_rreq_trace_put_return);\n \tif (ret < 0)\n \t\tgoto error;\n-\tnetfs_put_request(rreq, netfs_rreq_trace_put_return);\n \n have_folio:\n \tret = folio_wait_private_2_killable(folio);\n","prefixes":["v3","10/19"]}