Message-ID: <1392466251.41282.YahooMailNeo@web140003.mail.bf1.yahoo.com>
Date:	Sat, 15 Feb 2014 04:10:51 -0800 (PST)
From:	John <da_audiophile@...oo.com>
To:	lkml <linux-kernel@...r.kernel.org>
Subject: [BUG] unable to handle kernel NULL pointer dereference

When booting into linux v3.13.3, I am unable to mount an nfs share on this particular hardware.  I get the same problem using v3.12.11.  Only the 3.10.x series allows normal operation.  Partial dmesg output shown inline, additional logs available upon request.

PLEASE cc me on my replies as I am not subscribed to lkml.

Hardware: Athlon XP 3200+ on an NVIDIA nForce2 Ultra 400 motherboard.
Distro: Arch Linux i686.

% dmesg
...
[ 137.616014] NFS: Registering the id_resolver key type
[ 137.616036] Key type id_resolver registered
[ 137.616038] Key type id_legacy registered
[ 137.686758] BUG: unable to handle kernel NULL pointer dereference at 00000858
[ 137.689996] IP: [<f8aa2d99>] put_pipe_version+0x19/0x60 [auth_rpcgss]
[ 137.689996] *pde = 00000000 
[ 137.689996] Oops: 0000 [#1] PREEMPT SMP 
[ 137.689996] Modules linked in: rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 asb100 hwmon_vid snd_wavefront ir_mce_kbd_decoder ir_lirc_codec ir_rc5_sz_decoder ir_sony_decoder lirc_dev ir_rc5_decoder ir_jvc_decoder ir_sanyo_decoder ir_rc6_decoder ir_nec_decoder rc_streamzap streamzap mousedev snd_cs4236 rc_core snd_intel8x0 snd_wss_lib snd_opl3_lib snd_hwdep snd_ac97_codec evdev snd_mpu401 ac97_bus snd_mpu401_uart snd_pcm snd_rawmidi snd_page_alloc snd_seq_device snd_timer snd pcspkr skge shpchp i2c_nforce2 i2c_core soundcore ns558 gameport processor button nvidia_agp agpgart nfs lockd sunrpc fscache ext4 crc16 mbcache jbd2 hid_generic usbhid hid sr_mod cdrom sd_mod ata_generic pata_acpi sata_sil pata_amd libata ehci_pci ohci_pci ohci_hcd ehci_hcd scsi_mod usbcore usb_common
[ 137.689996] CPU: 0 PID: 534 Comm: rpc.gssd Not tainted 3.13.3-1-ARCH #1
[ 137.689996] Hardware name: ASUSTeK Computer INC. A7N8X-E/A7N8X-E, BIOS ASUS A7N8X-E Deluxe ACPI BIOS Rev 1013 11/12/2004
[ 137.689996] task: f4633210 ti: f568e000 task.ti: f568e000
[ 137.689996] EIP: 0060:[<f8aa2d99>] EFLAGS: 00010202 CPU: 0
[ 137.689996] EIP is at put_pipe_version+0x19/0x60 [auth_rpcgss]
[ 137.689996] EAX: f4633210 EBX: 00000001 ECX: f56efca8 EDX: 00000296
[ 137.689996] ESI: 00000000 EDI: f56efc00 EBP: f568fee8 ESP: f568fee0
[ 137.689996] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 137.689996] CR0: 8005003b CR2: 00000858 CR3: 34523000 CR4: 000007d0
[ 137.689996] Stack:
[ 137.689996] f56efc00 f6c64f78 f568fef4 f8aa2e05 00000010 f568ff40 f8aa3b38 00000374
[ 137.689996] 00000080 b74dde40 f4644a80 f568ff30 00000246 f8ac1080 ffff41c9 f6c64f78
[ 137.689996] fffffff3 00000010 f4460140 f44d5820 f44d5810 f53df7ec f57595a0 f8aa93e8
[ 137.689996] Call Trace:
[ 137.689996] [<f8aa2e05>] gss_release_msg+0x25/0x70 [auth_rpcgss]
[ 137.689996] [<f8aa3b38>] gss_pipe_downcall+0x208/0x4b0 [auth_rpcgss]
[ 137.689996] [<f8a2f9ab>] rpc_pipe_write+0x3b/0x60 [sunrpc]
[ 137.689996] [<f8a2f970>] ? rpc_pipe_poll+0x90/0x90 [sunrpc]
[ 137.689996] [<c1156bd5>] vfs_write+0x95/0x1c0
[ 137.689996] [<c11572a1>] SyS_write+0x51/0x90
[ 137.689996] [<c145cc0d>] sysenter_do_call+0x12/0x28
[ 137.689996] Code: f8 e8 4f b8 9a c8 31 c0 eb c6 90 8d b4 26 00 00 00 00 55 89 e5 56 53 3e 8d 74 26 00 8b 1d 28 e9 a3 f8 89 c6 e8 59 64 5f c8 85 db <8b> 86 58 08 00 00 74 3a 3b 18 77 36 8b 5c 98 08 e8 32 66 5f c8
[ 137.689996] EIP: [<f8aa2d99>] put_pipe_version+0x19/0x60 [auth_rpcgss] SS:ESP 0068:f568fee0
[ 137.689996] CR2: 0000000000000858
[ 138.578433] ---[ end trace 3dcb8d5c35b64fbd ]---
[ 142.979263] type=1006 audit(1392415950.632:4): pid=540 uid=0 old auid=4294967295 new auid=1000 old ses=4294967295 new ses=3 res=1
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