BUG: memory leak
unreferenced object 0xffff888127338180 (size 64):
  comm "syz-executor.6", pid 11434, jiffies 4294961165 (age 15.480s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 4a 0d 28 81 88 ff ff  .........J.(....
  backtrace:
    [<ffffffff825b2892>] kmalloc include/linux/slab.h:591 [inline]
    [<ffffffff825b2892>] drm_vma_node_allow+0x32/0x120 drivers/gpu/drm/drm_vma_manager.c:274
    [<ffffffff825983b7>] drm_gem_handle_create_tail+0x107/0x250 drivers/gpu/drm/drm_gem.c:390
    [<ffffffff826271bd>] vgem_gem_create drivers/gpu/drm/vgem/vgem_drv.c:203 [inline]
    [<ffffffff826271bd>] vgem_gem_dumb_create+0x8d/0x240 drivers/gpu/drm/vgem/vgem_drv.c:223
    [<ffffffff825c72f1>] drm_mode_create_dumb+0x121/0x150 drivers/gpu/drm/drm_dumb_buffers.c:96
    [<ffffffff82599660>] drm_ioctl_kernel+0xf0/0x160 drivers/gpu/drm/drm_ioctl.c:795
    [<ffffffff82599c7a>] drm_ioctl+0x2ea/0x4f0 drivers/gpu/drm/drm_ioctl.c:898
    [<ffffffff8158e45c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8158e45c>] __do_sys_ioctl fs/ioctl.c:1069 [inline]
    [<ffffffff8158e45c>] __se_sys_ioctl fs/ioctl.c:1055 [inline]
    [<ffffffff8158e45c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:1055
    [<ffffffff843b6675>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843b6675>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae