All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Vasily Averin <vvs@virtuozzo.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: [PATCH 4.9 04/18] drm/qxl: qxl_release leak in qxl_hw_surface_alloc()
Date: Mon,  4 May 2020 19:57:14 +0200	[thread overview]
Message-ID: <20200504165442.950806007@linuxfoundation.org> (raw)
In-Reply-To: <20200504165442.028485341@linuxfoundation.org>

From: Vasily Averin <vvs@virtuozzo.com>

commit a65aa9c3676ffccb21361d52fcfedd5b5ff387d7 upstream.

Cc: stable@vger.kernel.org
Fixes: 8002db6336dd ("qxl: convert qxl driver to proper use for reservations")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Link: http://patchwork.freedesktop.org/patch/msgid/2e5a13ae-9ab2-5401-aa4d-03d5f5593423@virtuozzo.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/qxl/qxl_cmd.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -500,9 +500,10 @@ int qxl_hw_surface_alloc(struct qxl_devi
 		return ret;
 
 	ret = qxl_release_reserve_list(release, true);
-	if (ret)
+	if (ret) {
+		qxl_release_free(qdev, release);
 		return ret;
-
+	}
 	cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
 	cmd->type = QXL_SURFACE_CMD_CREATE;
 	cmd->flags = QXL_SURF_FLAG_KEEP_DATA;



  parent reply	other threads:[~2020-05-04 17:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04 17:57 [PATCH 4.9 00/18] 4.9.222-rc1 review Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 01/18] ext4: fix special inode number checks in __ext4_iget() Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 02/18] drm/edid: Fix off-by-one in DispID DTD pixel clock Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 03/18] drm/qxl: qxl_release leak in qxl_draw_dirty_fb() Greg Kroah-Hartman
2020-05-04 17:57 ` Greg Kroah-Hartman [this message]
2020-05-04 17:57 ` [PATCH 4.9 05/18] btrfs: fix block group leak when removing fails Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 06/18] ALSA: hda/hdmi: fix without unlocked before return Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 07/18] ALSA: pcm: oss: Place the plugin buffer overflow checks correctly Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 08/18] PM: ACPI: Output correct message on target power state Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 09/18] PM: hibernate: Freeze kernel threads in software_resume() Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 10/18] dm verity fec: fix hash block number in verity_fec_decode Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 11/18] RDMA/mlx4: Initialize ib_spec on the stack Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 12/18] vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn() Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 13/18] iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 14/18] ALSA: opti9xx: shut up gcc-10 range warning Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 15/18] nfs: Fix potential posix_acl refcnt leak in nfs3_set_acl Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 16/18] dmaengine: dmatest: Fix iteration non-stop logic Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 17/18] selinux: properly handle multiple messages in selinux_netlink_send() Greg Kroah-Hartman
2020-05-04 17:57 ` [PATCH 4.9 18/18] drm/qxl: qxl_release use after free Greg Kroah-Hartman
     [not found] ` <20200504165442.028485341-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2020-05-05  8:37   ` [PATCH 4.9 00/18] 4.9.222-rc1 review Jon Hunter
2020-05-05  8:37     ` Jon Hunter
2020-05-05 15:44 ` Naresh Kamboju
2020-05-05 15:47 ` Guenter Roeck
2020-05-05 15:56 ` shuah

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200504165442.950806007@linuxfoundation.org \
    --to=gregkh@linuxfoundation.org \
    --cc=kraxel@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=vvs@virtuozzo.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.