Gerd Hoffmann
2022-Jan-18 06:56 UTC
[PATCH] drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()
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 at vger.kernel.org # 5.13.x > Signed-off-by: Roberto Sassu <roberto.sassu at huawei.com> > Reported-by: syzbot+e9072e90624a31dfa85f at syzkaller.appspotmail.com > Fixes: 377f8331d0565 ("drm/virtio: fix possible leak/unlock virtio_gpu_object_array")Pushed to drm-misc-next. thanks, Gerd