Description of problem:
I was installing google chrome with yum
simulteniously midori, qmmp and xterm was running
kernel got dumpped

Additional info:
reporter:       libreport-2.2.2
BUG: unable to handle kernel NULL pointer dereference at 00000012
IP: [<c067ec6c>] radix_tree_lookup_element+0x4c/0x90
*pde = 00000000 
Oops: 0000 [#1] SMP 
Modules linked in: vfat fat fuse bnep bluetooth ip6t_rpfilter ip6t_REJECT xt_conntrack cfg80211 rfkill ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm coretemp snd_page_alloc snd_timer kvm_intel snd gpio_ich i2c_i801 kvm iTCO_wdt iTCO_vendor_support microcode ppdev serio_raw soundcore lpc_ich of_i2c acpi_cpufreq mperf parport_pc parport nfsd auth_rpcgss nfs_acl lockd i915 ata_generic pata_acpi video i2c_algo_bit r8169 drm_kms_helper
drm mii i2c_core sunrpc
CPU: 1 PID: 2399 Comm: yum Not tainted 3.11.10-301.fc20.i686 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M., BIOS 080015  02/03/2010
task: f0144ec0 ti: e99aa000 task.ti: e99aa000
EIP: 0060:[<c067ec6c>] EFLAGS: 00210202 CPU: 1
EIP is at radix_tree_lookup_element+0x4c/0x90
EAX: fffffffe EBX: 00000002 ECX: ffffffee EDX: 00000000
ESI: 00000002 EDI: 00000004 EBP: e99abe40 ESP: e99abe30
DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
CR0: 80050033 CR2: 00000012 CR3: 29957000 CR4: 000407d0
Stack:
00000001 ec37b3f4 ea645c00 e99aa000 e99abe48 c067ecbd e99abe6c c050397a
e99abec4 000080d0 00000000 ec37b3f8 ec37b3f4 ea645c00 00000000 e99abee4
c05045d6 00000001 00000098 f0652e80 00000000 e99abefc 00000000 ffffffff
Call Trace:
[<c067ecbd>] radix_tree_lookup_slot+0xd/0x10
[<c050397a>] find_get_page+0x2a/0xe0
[<c05045d6>] generic_file_aio_read+0x206/0x6d0
[<c0550771>] do_sync_read+0x61/0x90
[<c0550710>] ? default_llseek+0x160/0x160
[<c0550e30>] vfs_read+0x80/0x150
[<c05515b9>] SyS_read+0x49/0x90
[<c098690d>] sysenter_do_call+0x12/0x28
[<c0970000>] ? dcbnl_getpfccfg+0x80/0x150
Code: 14 85 10 5e c5 c0 77 2a 8d 0c 40 8d 4c 09 fa eb 10 8d b6 00 00 00 00 83 e9 06 83 e8 01 74 38 89 de 89 d7 d3 ef 83 e7 3f 83 c7 04 <8b> 1c be 85 db 75 e5 83 c4 04 31 d2 5b 89 d0 5e 5f 5d c3 90 85