On Mon, Apr 6, 2020 at 10:06 AM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > On Mon, Apr 06, 2020 at 09:07:44AM +0200, Dmitry Vyukov wrote: > > On Mon, Apr 6, 2020 at 8:46 AM syzbot > > <syzbot+d3a7951ed361037407db@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit: ffc1c20c Merge tag 'for-5.7/dm-changes' of git://git.kerne.. > > > git tree: upstream > > > console output: https://syzkaller.appspot.com/x/log.txt?x=1690471fe00000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=d6a1e2f9a9986236 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=d3a7951ed361037407db > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > > > Unfortunately, I don't have any reproducer for this crash yet. > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > Reported-by: syzbot+d3a7951ed361037407db@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > > > +drivers/gpu/drm/virtio/virtgpu_object.c maintainers > > Now we have both mainline and linux-next boot broken (linux-next is > > broken for the past 40 days). > > No testing of new code happens. > > > > > virtio_gpu_object_shmem_init drivers/gpu/drm/virtio/virtgpu_object.c:151 [inline] > > > virtio_gpu_object_create+0x9f3/0xaa0 drivers/gpu/drm/virtio/virtgpu_object.c:230 > > Ah, that one. > > broken patch: f651c8b05542 ("drm/virtio: factor out the sg_table from virtio_gpu_object") > fixed by: 0666a8d7f6a4 ("drm/virtio: fix OOB in virtio_gpu_object_create") > > Both are in drm-misc-next. I suspect the fix was added after > drm-misc-next was closed for the 5.7 merge window and thus should > have been submitted to drm-misc-next-fixes instead. > > So, what to do now? Should I cherry-pick 0666a8d7f6a4 into > drm-misc-next-fixes? Or should it go into drm-misc-fixes instead? Yup cherry-pick it over, with -x, to drm-misc-next-fixes. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
