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Fix memory leak in qxl (from Dave Airlie)

This commit is contained in:
Josh Boyer 2013-11-29 10:23:44 -05:00
parent f9cc55d6ab
commit d791273b5d
2 changed files with 32 additions and 0 deletions
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27
drm-qxl-fix-memory-leak-in-release-list-handling.patch Normal file
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@ -0,0 +1,27 @@
From 1b28c3e628315ac0d9ef2d3fac0403f05ae692db Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 28 Nov 2013 05:39:03 +0000
Subject: drm/qxl: fix memory leak in release list handling
wow no idea how I got this far without seeing this,
leaking the entries in the list makes kmalloc-64 slab grow.
References: https://bugzilla.kernel.org/show_bug.cgi?id=65121
Cc: stable@vger.kernel.org
Reported-by: Matthew Stapleton <matthew4196@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 0109a96..821ab7b 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -92,6 +92,7 @@ qxl_release_free(struct qxl_device *qdev,
- DRM_FILE_OFFSET);
qxl_fence_remove_release(&bo->fence, release->id);
qxl_bo_unref(&bo);
+ kfree(entry);
}
spin_lock(&qdev->release_idr_lock);
idr_remove(&qdev->release_idr, release->id);
--
cgit v0.9.0.2-2-gbebe

5
kernel.spec
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@ -736,6 +736,7 @@ Patch25131: btrfs-relocate-csums-properly-with-prealloc-ext.patch
Patch25132: rt2800usb-slow-down-TX-status-polling.patch
Patch25140: drm-qxl-backport-fixes-for-Fedora.patch
Patch25160: drm-qxl-fix-memory-leak-in-release-list-handling.patch
Patch25141: Input-evdev-fall-back-to-vmalloc-for-client-event-buffer.patch
@ -1479,6 +1480,7 @@ ApplyPatch btrfs-relocate-csums-properly-with-prealloc-ext.patch
ApplyPatch rt2800usb-slow-down-TX-status-polling.patch
ApplyPatch drm-qxl-backport-fixes-for-Fedora.patch
ApplyPatch drm-qxl-fix-memory-leak-in-release-list-handling.patch
ApplyPatch Input-evdev-fall-back-to-vmalloc-for-client-event-buffer.patch
@ -2321,6 +2323,9 @@ fi
# ||----w |
# || ||
%changelog
* Fri Nov 29 2013 Josh Boyer <jwboyer@fedoraproject.org>
- Fix memory leak in qxl (from Dave Airlie)
* Tue Nov 26 2013 Josh Boyer <jwboyer@fedoraproject.org>
- Add patch to fix usbnet URB handling (rhbz 998342)
- Fix crash in via-velocity driver (rhbz 1022733)