Hello dri maintainers/developers, This is a 31-day syzbot report for the dri subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/dri During the period, 2 new issues were detected and 0 were fixed. In total, 18 issues are still open and 31 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 1064 Yes WARNING in drm_syncobj_array_find https://syzkaller.appspot.com/bug?extid=95416f957d84e858b377 <2> 331 Yes WARNING in vkms_get_vblank_timestamp (2) https://syzkaller.appspot.com/bug?extid=93bd128a383695391534 <3> 70 Yes WARNING in drm_mode_create_lease_ioctl https://syzkaller.appspot.com/bug?extid=6754751ad05524dae739 <4> 64 No INFO: task hung in drm_atomic_get_plane_state https://syzkaller.appspot.com/bug?extid=eee643fdccb7c015b3a6 <5> 47 Yes WARNING in drm_wait_one_vblank (2) https://syzkaller.appspot.com/bug?extid=147ba789658184f0ce04 <6> 19 Yes WARNING in drm_gem_prime_fd_to_handle https://syzkaller.appspot.com/bug?extid=268d319a7bfd92f4ae01 <7> 14 Yes divide error in drm_mode_vrefresh https://syzkaller.appspot.com/bug?extid=622bba18029bcde672e1 <8> 4 Yes KASAN: slab-use-after-free Read in drm_atomic_helper_wait_for_vblanks (2) https://syzkaller.appspot.com/bug?extid=0f999d26a4fd79c3a23b <9> 4 Yes WARNING in drm_prime_destroy_file_private (2) https://syzkaller.appspot.com/bug?extid=59dcc2e7283a6f5f5ba1 <10> 4 Yes divide error in drm_mode_debug_printmodeline https://syzkaller.appspot.com/bug?extid=2e93e6fb36e6fdc56574 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.