| Message ID | 1402428563-18949-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 60a0044..c085917 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -465,6 +465,10 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, cmd = radeon_get_ib_value(p, p->idx) >> 1; if (cmd < 0x4) { + if (end <= start) { + DRM_ERROR("invalid reloc offset %X!\n", offset); + return -EINVAL; + } if ((end - start) < buf_sizes[cmd]) { DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, (unsigned)(end - start), buf_sizes[cmd]);
This is a note to let you know that I have just added a patch titled drm/radeon: check buffer relocation offset to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue This patch is scheduled to be released in version 3.13.11.3. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.13.y.z tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From c9ce5bcd126a2fd0b5249172ddb52553c29ddd74 Mon Sep 17 00:00:00 2001 From: Leo Liu <leo.liu@amd.com> Date: Mon, 28 Apr 2014 09:40:22 -0400 Subject: drm/radeon: check buffer relocation offset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 695daf1a8e731a4b5b89de89a61f32a4d7ad7094 upstream. Signed-off-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpu/drm/radeon/radeon_uvd.c | 4 ++++ 1 file changed, 4 insertions(+) -- 1.9.1