[  205.131820] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[  205.131960] IP: [<ffffffffa042a06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
[  205.132078] PGD 0
[  205.132118] Oops: 0000 [#1] SMP
[  205.132183] Modules linked in: nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache radeon gpio_ich ttm drm_kms_helper drm coretem
p kvm lpc_ich serio_raw joydev i7core_edac edac_core ioatdma shpchp lp mac_hid parport hid_generic psmouse usbhid igb usb_storage
hid i2c_algo_bit dca ptp megaraid_sas pps_core
[  205.132829] CPU: 13 PID: 1207 Comm: nfsd Not tainted 3.13.0-35-generic #62-Ubuntu
[  205.132943] Hardware name: Supermicro X8DTN/X8DTN, BIOS 080016  10/06/2010
[  205.133047] task: ffff88032ce5b000 ti: ffff880328b06000 task.ti: ffff880328b06000
[  205.133160] RIP: 0010:[<ffffffffa042a06b>]  [<ffffffffa042a06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
[  205.133307] RSP: 0018:ffff880328b07cf8  EFLAGS: 00010246
[  205.133389] RAX: 0000000000000000 RBX: ffff88032520b080 RCX: 000000000000bc29
[  205.133496] RDX: ffffffffa04576e7 RSI: 0000000000000000 RDI: ffff88032520b080
[  205.133602] RBP: ffff880328b07d20 R08: 00000000000171e0 R09: ffff88033fcb71e0
[  205.133708] R10: ffffea000cd3fd00 R11: ffffffffa042a0c7 R12: 0000000000000000
[  205.133815] R13: ffff88032520b080 R14: ffffffffa04576e7 R15: 0000000000000660
[  205.133922] FS:  0000000000000000(0000) GS:ffff88033fca0000(0000) knlGS:0000000000000000
[  205.134044] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  205.134131] CR2: 0000000000000010 CR3: 0000000001c0e000 CR4: 00000000000007e0
[  205.134237] Stack:
[  205.134271]  ffff88032520b080 ffff880334ff4400 ffff8803238464a0 ffff88032890a000
[  205.134409]  0000000000000660 ffff880328b07d60 ffffffffa042a492 ffff88032890a000
[  205.134546]  ffff880334ff4380 0000000000000000 ffff88032c2ee040 ffff88032c2ed240
[  205.134684] Call Trace:
[  205.134733]  [<ffffffffa042a492>] nfsd4_set_nfs4_acl+0x122/0x130 [nfsd]
[  205.134841]  [<ffffffffa0437f5d>] nfsd4_setattr+0x10d/0x1a0 [nfsd]
[  205.134943]  [<ffffffffa04395ca>] nfsd4_proc_compound+0x56a/0x7c0 [nfsd]
[  205.135050]  [<ffffffffa0425d2b>] nfsd_dispatch+0xbb/0x200 [nfsd]
[  205.135157]  [<ffffffffa03b362d>] svc_process_common+0x46d/0x6d0 [sunrpc]
[  205.135272]  [<ffffffffa03b3997>] svc_process+0x107/0x170 [sunrpc]
[  205.135370]  [<ffffffffa042571f>] nfsd+0xbf/0x130 [nfsd]
[  205.135456]  [<ffffffffa0425660>] ? nfsd_destroy+0x80/0x80 [nfsd]
[  205.135554]  [<ffffffff8108b4a2>] kthread+0xd2/0xf0
[  205.135632]  [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0
[  205.135734]  [<ffffffff8172ecbc>] ret_from_fork+0x7c/0xb0
[  205.135819]  [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0
[  205.135918] Code: eb e6 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 49 89 d6 41 55 49 89 f
d 41 54 49 89 f4 53 <48> 63 46 10 be d0 00 00 00 4c 8d 3c c5 04 00 00 00 4c 89 ff e8
[  205.136658] RIP  [<ffffffffa042a06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
[  205.136771]  RSP <ffff880328b07cf8>
[  205.136826] CR2: 0000000000000010
[  205.136880] ---[ end trace 6122b8985be7944e ]---
[  383.997123] init: tty2 main process ended, respawning
[  445.458801] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[  445.462828] IP: [<ffffffffa042a06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
[  445.466831] PGD 0
[  445.470756] Oops: 0000 [#2] SMP
[  445.474711] Modules linked in: nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache radeon gpio_ich ttm drm_kms_helper drm coretem
p kvm lpc_ich serio_raw joydev i7core_edac edac_core ioatdma shpchp lp mac_hid parport hid_generic psmouse usbhid igb usb_storage
hid i2c_algo_bit dca ptp megaraid_sas pps_core
[  445.487037] CPU: 13 PID: 1205 Comm: nfsd Tainted: G      D      3.13.0-35-generic #62-Ubuntu