Comment 2 for bug 202249

Same problem here, when I
   modprobe snd-bt-sco
------------------------------
snd-bt-sco revision 1.19 $
snd-bt-sco: snd-bt-scod thread starting
Unable to handle kernel NULL pointer dereference at 0000000000000001 RIP:
 [snd_pcm:snd_pcm_timer_init+0x2f/0x1a0] :snd_pcm:snd_pcm_timer_init+0x2f/0x1a0
PGD 520b7067 PUD 521e2067 PMD 0
Oops: 0000 [1] SMP
CPU 0
Modules linked in: snd_bt_sco af_packet snd_rtctimer i915 drm binfmt_misc rfcomm l2cap vboxdrv ppdev tun sit tunnel4 ipv6 acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_ondemand cpufreq_conservative freq_table container sbs sbshc dock iptable_filter ip_tables x_tables ext2 mbcache aes_x86_64 dm_crypt dm_mod sbp2 parport_pc lp parport arc4 ecb blkcipher joydev uvcvideo usbhid compat_ioctl32 snd_hda_intel videodev v4l1_compat hci_usb hid snd_pcm_oss snd_mixer_oss v4l2_common bluetooth snd_pcm snd_page_alloc snd_hwdep iwl3945 iwlwifi_mac80211 sky2 cfg80211 sr_mod cdrom snd_seq_dummy snd_seq_oss ac sdhci snd_seq_midi battery mmc_core snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd button video output psmouse serio_raw iTCO_wdt iTCO_vendor_support wmi_acer intel_agp shpchp pci_hotplug soundcore evdev pcspkr reiserfs ata_piix sg sd_mod ata_generic ohci1394 ieee1394 ahci pata_acpi libata scsi_mod ehci_hcd uhci_hcd usbcore thermal
bcon tileblit font bitblit softcursor fuse
Pid: 7543, comm: modprobe Not tainted 2.6.24-12-generic #1
RIP: 0010:[snd_pcm:snd_pcm_timer_init+0x2f/0x1a0] [snd_pcm:snd_pcm_timer_init+0x2f/0x1a0] :snd_pcm:snd_pcm_timer_init+0x2f/0x1a0
RSP: 0018:ffff8100522cfd08 EFLAGS: 00010246
RAX: 0000000000000001 RBX: ffff8100622ed400 RCX: ffff8100522cfd20
RDX: 0000000000000000 RSI: ffffffff882d0648 RDI: ffff81005214dc00
RBP: ffff8100622ed200 R08: 0000000000000000 R09: ffff81007c652108
R10: 0000000000000000 R11: ffffffff803b6600 R12: 0000000000000018
R13: ffff8100622ed258 R14: 0000000000000001 R15: ffffffff882cfe48
FS: 00007f33698f86e0(0000) GS:ffffffff805b1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000001 CR3: 000000005228e000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 7543, threadinfo ffff8100522ce000, task ffff810059ff4f80)
Stack: 0000000000000003 0000000000000000 ffff8100622ed200 0000000000000018
 ffff8100622ed400 ffffffff882c57dd ffff81005214d800 ffffffff882ba903
 63304431436d6370 ffffffff881ce200 0000304431437768 ffff810059eb0440
Call Trace:
 [snd_pcm:snd_pcm_dev_register+0xfd/0x220] :snd_pcm:snd_pcm_dev_register+0xfd/0x220
 [snd_hwdep:snd_hwdep_dev_register+0xf3/0x1c0] :snd_hwdep:snd_hwdep_dev_register+0xf3/0x1c0
 [snd:snd_ctl_add+0x120/0x1e0] :snd:snd_ctl_add+0x120/0x1e0
 [snd:snd_device_register_all+0x2f/0x60] :snd:snd_device_register_all+0x2f/0x60
 [snd_hda_intel:snd_card_register+0x3b/0x390] :snd:snd_card_register+0x3b/0x390
 [parport_pc:init_module+0x283/0x390] :snd_bt_sco:alsa_card_bt_sco_init+0x2e3/0x334
 [sys_init_module+0x18e/0x1a90] sys_init_module+0x18e/0x1a90
 [<ffffffff80248e90>] sigprocmask+0x0/0xf0
 [system_call+0x7e/0x83] system_call+0x7e/0x83

Code: 8b 00 89 44 24 08 8b 47 18 89 44 24 0c 8b 43 18 01 c0 09 c2
RIP [snd_pcm:snd_pcm_timer_init+0x2f/0x1a0] :snd_pcm:snd_pcm_timer_init+0x2f/0x1a0
 RSP <ffff8100522cfd08>
CR2: 0000000000000001
---[ end trace 7251a1e02c6e7520 ]---