Bug 1067698

Summary:	[abrt] BUG: unable to handle kernel NULL pointer dereference at (null)
Product:	[Fedora] Fedora	Reporter:	grivital <grivital>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED DUPLICATE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	20	CC:	gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Unspecified
Whiteboard:	abrt_hash:2edef822bf1d5e146734ddead68a4ff2f0811ae0
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-02-20 21:32:17 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description grivital 2014-02-20 21:28:21 UTC

Additional info:
reporter:       libreport-2.1.12
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: [<ffffffff812f71b0>] skip_spaces+0x30/0x30
PGD 6982f067 PUD 1363d7067 PMD 0 
Oops: 0000 [#1] SMP 
Modules linked in: rfcomm ipt_MASQUERADE xt_CHECKSUM tun fuse md4 nls_utf8 cifs dns_resolver fscache nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT xt_conntrack 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 bnep x86_pkg_temp_thermal coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_codec_hdmi arc4 iTCO_wdt iTCO_vendor_support ath9k ath9k_common ath9k_hw microcode ath joydev serio_raw i2c_i801 snd_hda_codec_conexant mac80211 btusb bluetooth uvcvideo videobuf2_vmalloc videobuf2_memops snd_hda_intel videobuf2_core snd_hda_codec atl1c cfg80211 snd_hwdep videodev snd_seq media snd_seq_device lpc_ich mfd_core snd_pcm toshiba_acpi snd_page_alloc snd_timer sparse_keymap snd rfkill toshiba_bluetooth soundcore shpchp mei_me mei binfmt_misc nouveau mxm_wmi i2c_algo_bit drm_kms_helper ttm drm i2c_core wmi video
CPU: 0 PID: 2604 Comm: urlgrabber-ext- Not tainted 3.12.9-301.smack.fc20.x86_64 #1
Hardware name: TOSHIBA SATELLITE L755/Base Board Product Name, BIOS 3.60 06/26/2012
task: ffff880090195ac0 ti: ffff88006954e000 task.ti: ffff88006954e000
RIP: 0010:[<ffffffff812f71b0>]  [<ffffffff812f71b0>] skip_spaces+0x30/0x30
RSP: 0018:ffff88006954fcc0  EFLAGS: 00010246
RAX: ffff880065d1c180 RBX: ffff88006954fdf0 RCX: 0000000000000019
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88006954fce8 R08: 0000000000000000 R09: 0000000000000000
R10: ffff880065d1c180 R11: 0000000000000004 R12: 0000000000000000
R13: ffff88006954fdf0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f84e3682740(0000) GS:ffff88014f400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000085eac000 CR4: 00000000000407f0
Stack:
 ffffffff812a8455 ffff88006954fdf0 ffff8800725290c0 ffff88006954fdf0
 0000000000000000 ffff88006954fd10 ffffffff812a8593 ffff88006954fdf0
 ffff8800725290c0 ffff88006954fdf0 ffff88006954fd30 ffffffff812a4523
Call Trace:
 [<ffffffff812a8455>] ? smk_parse_smack+0xe5/0x110
 [<ffffffff812a8593>] smk_import_entry+0x13/0x140
 [<ffffffff812a4523>] smack_inode_post_setxattr+0x43/0xe0
 [<ffffffff812a2040>] security_inode_post_setxattr+0x20/0x30
 [<ffffffff811d1bc0>] __vfs_setxattr_noperm+0x180/0x1b0
 [<ffffffff811d1ca5>] vfs_setxattr+0xb5/0xc0
 [<ffffffff811d1dde>] setxattr+0x12e/0x1c0
 [<ffffffff811b9df2>] ? final_putname+0x22/0x50
 [<ffffffff811b9ff9>] ? putname+0x29/0x40
 [<ffffffff811bf1ff>] ? user_path_at_empty+0x5f/0x90
 [<ffffffff811b0fa9>] ? __sb_start_write+0x49/0x100
 [<ffffffff81170aa3>] ? remove_vma+0x63/0x70
 [<ffffffff811d206f>] SyS_setxattr+0x8f/0xe0
 [<ffffffff81661d69>] system_call_fastpath+0x16/0x1b
Code: 89 f8 48 89 e5 f6 82 40 0e 85 81 20 74 15 0f 1f 44 00 00 48 83 c0 01 0f b6 10 f6 82 40 0e 85 81 20 75 f0 5d c3 66 0f 1f 44 00 00 <80> 3f 00 55 48 89 e5 74 15 48 89 f8 0f 1f 40 00 48 83 c0 01 80 
RIP  [<ffffffff812f71b0>] skip_spaces+0x30/0x30
 RSP <ffff88006954fcc0>
CR2: 0000000000000000

Comment 1 Josh Boyer 2014-02-20 21:32:17 UTC

We don't enable smack in our kernels.  You should probably report this upstream.

*** This bug has been marked as a duplicate of bug 126342 ***