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<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NV1A] 3.19-rc1 NULL dereference on modprobe in pramin_fini"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87554">87554</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[NV1A] 3.19-rc1 NULL dereference on modprobe in pramin_fini
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86 (IA32)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bonbons67@internet.lu
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>[ 441.685835] wmi: Mapper loaded
[ 442.129083] ACPI: PCI Interrupt Link [LNK5] enabled at IRQ 12
[ 442.135019] PCI: setting IRQ 12 as level-triggered
[ 442.144839] nouveau [ DEVICE][0000:02:00.0] BOOT0 : 0x01a000b1
[ 442.151063] nouveau [ DEVICE][0000:02:00.0] Chipset: nForce (NV1A)
[ 442.157481] nouveau [ DEVICE][0000:02:00.0] Family : NV10
[ 442.172505] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 442.179823] IP: [<dea2c6c6>] pramin_fini+0x6/0x30 [nouveau]
[ 442.180015] *pde = 00000000
[ 442.180015] Oops: 0000 [#1]
[ 442.180015] Modules linked in: nouveau(+) wmi ttm drm_kms_helper nfsv3
nfs_acl nfs lockd grace sunrpc
[ 442.180015] CPU: 0 PID: 1267 Comm: modprobe Not tainted 3.19.0-rc1-jupiter
#1
[ 442.180015] Hardware name: NVIDIA Corporation. nFORCE-MCP/MS-6373, BIOS 6.00
PG 04/12/2002
[ 442.180015] task: dc010c90 ti: dcfba000 task.ti: dcfba000
[ 442.180015] EIP: 0060:[<dea2c6c6>] EFLAGS: 00010286 CPU: 0
[ 442.180015] EIP is at pramin_fini+0x6/0x30 [nouveau]
[ 442.180015] EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: dea2c6c0
[ 442.180015] ESI: dcfbb8a4 EDI: deacf670 EBP: dcfbb834 ESP: dcfbb830
[ 442.180015] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[ 442.180015] CR0: 8005003b CR2: 00000000 CR3: 1c042000 CR4: 000007d0
[ 442.180015] Stack:
[ 442.180015] dcedad90 dcfbb860 dea2c02e dcedad90 00000004 deaef771 deaef81b
00000000
[ 442.180015] deaf5320 dcfbb8a4 dcfbb884 dcfbb884 dcfbb994 dea2c2db dcfbb87c
c10dbf41
[ 442.180015] ddfcdb40 dd401180 dcedad90 00000000 dcfbb8a4 10000001 deaf54a0
00000000
[ 442.180015] Call Trace:
[ 442.180015] [<dea2c02e>] shadow_method+0x8e/0xe0 [nouveau]
[ 442.180015] [<dea2c2db>] nvbios_shadow+0x25b/0x360 [nouveau]
[ 442.180015] [<c10dbf41>] ? init_object+0x51/0x60
[ 442.180015] [<dea1f0eb>] nouveau_bios_ctor+0x4b/0x3b0 [nouveau]
[ 442.180015] [<c10dd62f>] ? kmem_cache_alloc_trace+0xcf/0x160
[ 442.180015] [<dea1cd25>] nouveau_object_ctor+0x35/0xd0 [nouveau]
[ 442.180015] [<dea64ebf>] nouveau_devobj_ctor+0x77f/0x880 [nouveau]
[ 442.180015] [<dea1cd25>] nouveau_object_ctor+0x35/0xd0 [nouveau]
[ 442.180015] [<dea1bb89>] nvkm_ioctl_new+0x229/0x300 [nouveau]
[ 442.180015] [<dea1c020>] nvkm_ioctl+0x2a0/0x340 [nouveau]
[ 442.180015] [<deaa913c>] nvkm_client_ioctl+0x1c/0x30 [nouveau]
[ 442.180015] [<dea9ccee>] nvif_object_ioctl+0x7e/0x90 [nouveau]
[ 442.180015] [<dea9d44a>] nvif_object_init+0x10a/0x130 [nouveau]
[ 442.180015] [<dea9d7a8>] nvif_device_init+0x28/0x50 [nouveau]
[ 442.180015] [<dea9f630>] nouveau_drm_load+0x2e0/0x560 [nouveau]
[ 442.180015] [<c12c6bff>] drm_dev_register+0x5f/0xe0
[ 442.180015] [<c12c9231>] drm_get_pci_dev+0xe1/0x1a0
[ 442.180015] [<c122e9f5>] ? pcibios_set_master+0x25/0x80
[ 442.180015] [<dea9f068>] nouveau_drm_probe+0x1a8/0x1d0 [nouveau]
[ 442.180015] [<c122fed5>] pci_device_probe+0x65/0xc0
[ 442.180015] [<c12e801d>] driver_probe_device+0x14d/0x330
[ 442.180015] [<c12e824d>] __driver_attach+0x4d/0x80
[ 442.180015] [<c12e8200>] ? driver_probe_device+0x330/0x330
[ 442.180015] [<c12e68dc>] bus_for_each_dev+0x3c/0x70
[ 442.180015] [<c12e7b7c>] driver_attach+0x1c/0x30
[ 442.180015] [<c12e8200>] ? driver_probe_device+0x330/0x330
[ 442.180015] [<c12e76ec>] bus_add_driver+0xdc/0x1f0
[ 442.180015] [<c12e89b7>] driver_register+0x87/0xc0
[ 442.180015] [<c10dffff>] ? migrate_page_copy+0x18f/0x250
[ 442.180015] [<c122ffb8>] __pci_register_driver+0x28/0x30
[ 442.180015] [<c12c933b>] drm_pci_init+0x4b/0xe0
[ 442.180015] [<deb39235>] nouveau_drm_init+0x235/0x1000 [nouveau]
[ 442.180015] [<c1000441>] ? do_one_initcall+0xb1/0x1d0
[ 442.180015] [<c10004b4>] do_one_initcall+0x124/0x1d0
[ 442.180015] [<deb39000>] ? 0xdeb39000
[ 442.180015] [<deb39000>] ? 0xdeb39000
[ 442.180015] [<c10dd344>] ? kfree+0x134/0x140
[ 442.180015] [<c10d52ac>] ? __vunmap+0xcc/0xe0
[ 442.180015] [<c10d52ac>] ? __vunmap+0xcc/0xe0
[ 442.180015] [<c10d52ac>] ? __vunmap+0xcc/0xe0
[ 442.180015] [<c10d52ac>] ? __vunmap+0xcc/0xe0
[ 442.180015] [<c107e125>] load_module+0x1035/0x16b0
[ 442.180015] [<c107e885>] SyS_init_module+0xe5/0xf0
[ 442.180015] [<c14c23d2>] sysenter_do_call+0x12/0x12
[ 442.180015] Code: 43 7f e2 39 5d f0 89 07 77 e3 eb 08 90 c7 45 ec 00 00 00
00 8b 45 ec 83 c4 08 5b 5e 5f 5d c3
[ 442.180015] EIP: [<dea2c6c6>] pramin_fini+0x6/0x30 [nouveau] SS:ESP
0068:dcfbb830
[ 442.180015] CR2: 0000000000000000
[ 442.555577] ---[ end trace 5944a013025347a6 ]---</pre>
</div>
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