This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix parser init error path to avoid crash in parser fini
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: drm-amdgpu-fix-parser-init-error-path-to-avoid-crash-in-parser-fini.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Mon Dec 18 14:12:34 CET 2017
From: Dave Airlie airlied@redhat.com Date: Fri, 10 Mar 2017 12:13:04 +1000 Subject: drm/amdgpu: fix parser init error path to avoid crash in parser fini
From: Dave Airlie airlied@redhat.com
[ Upstream commit 607523d19c9d67ba4cf7bdaced644f11ed04992c ]
If we don't reset the chunk info in the error path, the subsequent fini path will double free.
Reviewed-by: Christian König christian.koenig@amd.com Signed-off-by: Dave Airlie airlied@redhat.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -240,6 +240,8 @@ free_partial_kdata: for (; i >= 0; i--) drm_free_large(p->chunks[i].kdata); kfree(p->chunks); + p->chunks = NULL; + p->nchunks = 0; put_ctx: amdgpu_ctx_put(p->ctx); free_chunk:
Patches currently in stable-queue which might be from airlied@redhat.com are
queue-4.9/drm-amdgpu-fix-parser-init-error-path-to-avoid-crash-in-parser-fini.patch