Messages in this thread | | | Date | Tue, 18 Jan 2022 07:56:24 +0100 | From | Gerd Hoffmann <> | Subject | Re: [PATCH] drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free() |
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On Mon, Dec 13, 2021 at 07:31:22PM +0100, Roberto Sassu wrote: > If virtio_gpu_object_shmem_init() fails (e.g. due to fault injection, as it > happened in the bug report by syzbot), virtio_gpu_array_put_free() could be > called with objs equal to NULL. > > Ensure that objs is not NULL in virtio_gpu_array_put_free(), or otherwise > return from the function. > > Cc: stable@vger.kernel.org # 5.13.x > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > Reported-by: syzbot+e9072e90624a31dfa85f@syzkaller.appspotmail.com > Fixes: 377f8331d0565 ("drm/virtio: fix possible leak/unlock virtio_gpu_object_array")
Pushed to drm-misc-next.
thanks, Gerd
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