Re: drm/nouveau/core/memory: kmemleak 684 new suspected memory leaks
From: Sergey Senozhatsky
Date: Fri May 17 2019 - 02:47:40 EST
On (05/17/19 15:31), Sergey Senozhatsky wrote:
> > backtrace:
> > [<0000000081f2894f>] nvkm_memory_tags_get+0x8e/0x130
> > [<000000007cd7c0bc>] gf100_vmm_valid+0x196/0x2f0
> > [<0000000070cc6d67>] nvkm_vmm_map+0xa8/0x360
> > [<00000000ab678644>] nvkm_vram_map+0x48/0x50
> > [<00000000d8176378>] nvkm_uvmm_mthd+0x658/0x770
> > [<00000000463fca5a>] nvkm_ioctl+0xdf/0x177
> > [<000000000afc4996>] nvif_object_mthd+0xd4/0x100
> > [<000000002f7a7385>] nvif_vmm_map+0xeb/0x100
> > [<00000000ef2537ed>] nouveau_mem_map+0x79/0xd0
> > [<0000000014ddc0cf>] nouveau_vma_new+0x19d/0x1c0
> > [<00000000f99888a1>] nouveau_gem_object_open+0xd4/0x140
> > [<000000009cd25861>] drm_gem_handle_create_tail+0xe3/0x160
> > [<00000000191784d9>] nouveau_gem_ioctl_new+0x6e/0xd0
> > [<00000000159678df>] drm_ioctl_kernel+0x8c/0xd0
> > [<00000000fbaa6154>] drm_ioctl+0x1c4/0x360
> > [<000000006833fe15>] nouveau_drm_ioctl+0x63/0xb0
[..]
> backtrace:
> [<000000006933ed2b>] nouveau_conn_reset+0x20/0xb0
> [<00000000572e2e30>] nouveau_connector_create+0x356/0x54c
> [<000000008a6a13cd>] nv50_display_create+0x2fb/0x917
> [<000000007fab0a58>] nouveau_display_create+0x3e6/0x600
> [<000000008b8644c8>] nouveau_drm_device_init+0x149/0x6b0
> [<000000004fd78a1f>] nouveau_drm_probe+0x263/0x2b0
> [<00000000357716ef>] pci_device_probe+0xa3/0x110
> [<00000000061d40e4>] really_probe+0xd3/0x240
> [<000000000ade44b6>] driver_probe_device+0x50/0xc0
> [<000000009cd0024c>] device_driver_attach+0x53/0x60
> [<00000000b11ab0bb>] __driver_attach+0x4c/0xb0
> [<0000000016d8457f>] bus_for_each_dev+0x66/0x90
> [<00000000f2855f5e>] bus_add_driver+0x171/0x1c0
> [<0000000021c08fc1>] driver_register+0x6c/0xaf
> [<0000000086357843>] do_one_initcall+0x36/0x1d4
> [<00000000a6be055a>] kernel_init_freeable+0x1bf/0x24f
And one more:
iccsense->rail = kmalloc_array(cnt, sizeof(struct pwr_rail_t), GFP_KERNEL);
unreferenced object 0xffff94e5ccdc7600 (size 96):
comm "swapper/0", pid 1, jiffies 4294667774 (age 913.205s)
hex dump (first 32 bytes):
00 00 00 cc e5 94 ff ff 00 00 00 00 00 00 00 00 ................
04 00 f1 ff 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000242abcb3>] nvbios_iccsense_parse+0xdc/0x250
[<00000000b5c70490>] nvkm_iccsense_oneinit+0x55/0x370
[<0000000020e0a743>] nvkm_subdev_init+0x53/0xd0
[<000000004d8c6ef1>] nvkm_device_init+0x10d/0x190
[<00000000bd7a4da4>] nvkm_udevice_init+0x41/0x60
[<0000000047effcfc>] nvkm_object_init+0x3e/0x100
[<000000006d6bad21>] nvkm_ioctl_new+0x145/0x1e0
[<00000000fc4e7e48>] nvkm_ioctl+0xdf/0x177
[<000000004cdc9cf8>] nvif_object_init+0xd6/0x130
[<000000001637584b>] nvif_device_init+0xe/0x50
[<00000000830683d4>] nouveau_cli_init+0x17d/0x410
[<00000000fd93c306>] nouveau_drm_device_init+0x55/0x6b0
[<000000007bc74e3f>] nouveau_drm_probe+0x263/0x2b0
[<000000000f94f913>] pci_device_probe+0xa3/0x110
[<00000000f82d21be>] really_probe+0xd3/0x240
[<00000000a8b8b02e>] driver_probe_device+0x50/0xc0
-ss