general protection fault: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
CPU 1 
Modules linked in: michael_mic arc4 cryptd aes_x86_64 aes_generic ip6table_filter ip6_tables binfmt_misc rfcomm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables sco bnep bridge l2cap stp vboxnetadp vboxnetflt vboxdrv kvm_amd kvm dm_crypt joydev snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq pcmcia lib80211_crypt_tkip snd_timer snd_seq_device btusb bluetooth ppdev tpm_tis dell_wmi yenta_socket dell_laptop dcdbas snd tpm pcmcia_rsrc psmouse parport_pc tpm_bios pcmcia_core serio_raw wl(P) soundcore edac_core k8temp i2c_piix4 snd_page_alloc shpchp edac_mce_amd lib80211 lp parport radeon ttm drm_kms_helper usbhid hid firewire_ohci ahci drm video output i2c_algo_bit firewire_core tg3 crc_itu_t pata_atiixp libahci

Pid: 3114, comm: firefox-bin Tainted: P            2.6.35-14-generic #20-Ubuntu 0XM006/Latitude D531                   
RIP: 0010:[<ffffffff811c34e3>]  [<ffffffff811c34e3>] free_rb_tree_fname+0x73/0xe0
RSP: 0018:ffff8800bbd23cc8  EFLAGS: 00010206
RAX: ffff88000402dd80 RBX: 0000000000000000 RCX: 0100000000000081
RDX: 0000000000000010 RSI: ffffea00000e09d8 RDI: 4345025400000000
RBP: ffff8800bbd23cf8 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f0ebe61f0c0 R11: 0000000000000246 R12: ffff88000402d788
R13: 4345025400000000 R14: ffff88000421cfc0 R15: ffff88000402db48
FS:  00007f0e9f4ff710(0000) GS:ffff880001f00000(0000) knlGS:00000000f69b8a90
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee0c6f4000 CR3: 00000000c64e8000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process firefox-bin (pid: 3114, threadinfo ffff8800bbd22000, task ffff8800bbda0000)
Stack:
 000000000001c000 ffff880004056000 ffff8801157b96f0 ffffffff81231e60
<0> ffff88000421cfc0 ffff8800bbd23e98 ffff8800bbd23d48 ffffffff811c36e7
<0> 0000000000000000 0000000000000001 ffff8800bbd23d48 ffff880004056000
Call Trace:
 [<ffffffff81231e60>] ? ecryptfs_filldir+0x0/0xc0
 [<ffffffff811c36e7>] ext3_dx_readdir+0x67/0x260
 [<ffffffff811c395f>] ext3_readdir+0x7f/0x450
 [<ffffffff81231e60>] ? ecryptfs_filldir+0x0/0xc0
 [<ffffffff81048a66>] ? resched_task+0x76/0x90
 [<ffffffff810553b8>] ? try_to_wake_up+0xc8/0x400
 [<ffffffff81231e60>] ? ecryptfs_filldir+0x0/0xc0
 [<ffffffff81162380>] vfs_readdir+0xc0/0xe0
 [<ffffffff81231e07>] ecryptfs_readdir+0x67/0xc0
 [<ffffffff811621e0>] ? filldir+0x0/0xe0
 [<ffffffff811621e0>] ? filldir+0x0/0xe0
 [<ffffffff81162380>] vfs_readdir+0xc0/0xe0
 [<ffffffff8109294b>] ? sys_futex+0x7b/0x180
 [<ffffffff81162509>] sys_getdents+0x89/0xf0
 [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
Code: 0f 49 89 dc 48 8b 5b 10 eb e5 66 0f 1f 44 00 00 4d 8b 3c 24 4c 89 e7 49 83 e7 fc 48 83 ef 08 75 0a eb 17 0f 1f 44 00 00 4c 89 ef <4c> 8b 6f 20 e8 04 d9 f7 ff 4d 85 ed 90 75 ee 4d 85 ff 75 19 49 
RIP  [<ffffffff811c34e3>] free_rb_tree_fname+0x73/0xe0
 RSP <ffff8800bbd23cc8>
---[ end trace b55bc73c272fcc16 ]---