From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/KL/Sz9vmWlwqn8W+xPGjwuCcnZrJlWqLxUIWNNyCb5aibh6I7BiJDADjFex8WnZgkETeo ARC-Seal: i=1; a=rsa-sha256; t=1524406303; cv=none; d=google.com; s=arc-20160816; b=nsbO2RzAA3TvsVy4T8W7jyhY2paneMDadH78+d/4SgsBhPoCIhZ5SoxnEkz0y08Vek Pda5tvszWlZO1s9CimRJ6o/s2suH66GKfsfFrCtX+FsOpaH1N/vSRGljhcP6kmr4IBUt OXBS7+QPEztQT3DJzRAgBq+8LnkCVpCKUzHZ6rFDg1XGYxuZfrZF3XlO1/209eAltiWN whFbnj0nh3AXW+PkbX6aVi9rXpW2gQR71TAkyFMN1vCNVrIXa8HPq6HJFrtNupoPjHTU nvWdcbpItViAzo9oT9sy5UZ6GA3FY/Rt5L9HBnMX8LQWHDKitR4ldFPPwdtKLtMQElXt 88Bg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=SJnV6uSeWLxKZeCesL0LdvBSR89qgy2XIwhNPtiTfUo=; b=FHGq1JQymrFwj3ysisIV75ua1lOxXgLwRL9Lq4NsItcxmfjkkAz65ZBCLgcW0b4q6Q wi4w6zN3CmpKMqY9mzba9JafdHsmaVWoMq/rU3dmp3kzIZn7e2k7VJb3bnHvNNq7EVpG 8/Pl1a4ShEQYQXVurNlplWVRrvxIymZCA9ju3sbZbx6KZLVR2ApNnh3vkYLL9l0S1xEk PMFwjHfgfo7mQCXa7KT011p9osmPd6APOeH9bcU5QppESgu8U9bua9B3Gady2/3dZ1A9 demw/esTmkCm6TeNanDNOrDYe6PAoo5NDfId6Z1pKXuw/onDTLo2sqJB15OLirGHPgjx GMMg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Martin Townsend , Richard Weinberger Subject: [PATCH 4.9 03/95] ubi: fastmap: Dont flush fastmap work on detach Date: Sun, 22 Apr 2018 15:52:32 +0200 Message-Id: <20180422135210.576881043@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180422135210.432103639@linuxfoundation.org> References: <20180422135210.432103639@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1598454908575503165?= X-GMAIL-MSGID: =?utf-8?q?1598455863624406433?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Richard Weinberger commit 29b7a6fa1ec07e8480b0d9caf635a4498a438bf4 upstream. At this point UBI volumes have already been free()'ed and fastmap can no longer access these data structures. Reported-by: Martin Townsend Fixes: 74cdaf24004a ("UBI: Fastmap: Fix memory leaks while closing the WL sub-system") Cc: stable@vger.kernel.org Signed-off-by: Richard Weinberger Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/ubi/fastmap-wl.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/mtd/ubi/fastmap-wl.c +++ b/drivers/mtd/ubi/fastmap-wl.c @@ -362,7 +362,6 @@ static void ubi_fastmap_close(struct ubi { int i; - flush_work(&ubi->fm_work); return_unused_pool_pebs(ubi, &ubi->fm_pool); return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);