[  169.406195] type=1400 audit(2104.189:29): avc: denied { read write } for pid=443 comm="tinymix" name="controlC0" dev="tmpfs" ino=12451 scontext=u:r:shell:s0 tcontext=u:object_r:audio_device:s0 tclass=c
hr_file permissive=1
[  169.424995] type=1400 audit(2104.189:30): avc: denied { open } for pid=443 comm="tinymix" path="/dev/snd/controlC0" dev="tmpfs" ino=12451 scontext=u:r:shell:s0 tcontext=u:object_r:audio_device:s0 tclas
s=chr_file permissive=1
[  169.426965] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[  169.426966] pgd = ffffffc0b55ad000
[  169.426969] [00000000] *pgd=0000000000000000
[  169.426972] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[  169.426984] Modules linked in: gb_arche(O) gb_audio_codec(O) gb_audio_manager(O) gb_audio_gb(O) gb_audio_apbridgea(O) gb_firmware(O) gb_es2(O) gb_phy(O) greybus(O) [last unloaded: greybus]
[  169.426988] CPU: 4 PID: 443 Comm: tinymix Tainted: G        W  O 3.10.73-g8a6af60-00086-gdaac02201ec3 #2
[  169.426990] task: ffffffc003b160c0 ti: ffffffc0b4d80000 task.ti: ffffffc0b4d80000
[  169.427001] PC is at gb_operation_create_common+0x20/0x124 [greybus]
[  169.427008] LR is at gb_operation_create+0xa8/0xc0 [greybus]
[  169.427010] pc : [<ffffffbffc05ea40>] lr : [<ffffffbffc05ebec>] pstate: 20000145
[  169.427011] sp : ffffffc0b4d83b70
[  169.427014] x29: ffffffc0b4d83b70 x28: 0000000000000001
[  169.427017] x27: 00000000000003e8 x26: ffffffc0b4d83ca0
[  169.427019] x25: 0000000000000004 x24: 0000000000000000
[  169.427021] x23: ffffffc0b4d83ca8 x22: 0000000000000000
[  169.427024] x21: 0000000000000000 x20: ffffffbffc063000
[  169.427026] x19: 0000000000000004 x18: 0000000000000001
[  169.427028] x17: 0000007fade808a8 x16: ffffffc0003122b4
[  169.427030] x15: 0000007fad0b2013 x14: 0000000000000000
[  169.427032] x13: 0000000000000000 x12: 0000000000000000
[  169.427034] x11: 0000000000006574 x10: 754d206b63616279
[  169.427036] x9 : 616c502030204247 x8 : 0000000000000000
[  169.427039] x7 : 00000002000003f1 x6 : 00000000000003e8
[  169.427041] x5 : 00000000000000d0 x4 : 0000000000000000
[  169.427043] x3 : 0000000000000018 x2 : 0000000000000002
[  169.427046] x1 : 0000000000000004 x0 : 0000000000000000
[  169.427046]
[  169.427048] Process tinymix (pid: 443, stack limit = 0xffffffc0b4d80058)
[  169.427049] Call trace:
[  169.427056] [<ffffffbffc05ea40>] gb_operation_create_common+0x20/0x124 [greybus]
[  169.427062] [<ffffffbffc05ebe8>] gb_operation_create+0xa4/0xc0 [greybus]
[  169.427069] [<ffffffbffc05f34c>] gb_operation_sync_timeout+0x74/0x110 [greybus]
[  169.427073] [<ffffffbffc091034>] $x+0x34/0x58 [gb_audio_gb]
[  169.427077] [<ffffffbffc09f7f0>] gbcodec_mixer_ctl_get+0x40/0x100 [gb_audio_codec]
[  169.427083] [<ffffffc0009fff10>] snd_ctl_elem_read+0xac/0xd4
[  169.427087] [<ffffffc000a01a60>] snd_ctl_ioctl+0x364/0x604
[  169.427090] [<ffffffc0003121e0>] do_vfs_ioctl+0x4a4/0x578
[  169.427092] [<ffffffc000312310>] SyS_ioctl+0x5c/0x88
[  169.427096] Code: a90363f7 a9046bf9 b0000034 aa0003f8 (f940001a)
[  169.427098] ---[ end trace b0a17d0bddb5f198 ]---
[  169.429137] Kernel panic - not syncing: Fatal exception