Re: Linux 4.14 - BUG: unable to handle kernel paging request at ffffffff3bbbe160 IP: audit_signal_cb+0x75/0xf0
From: John Johansen
Date: Tue Nov 21 2017 - 12:44:46 EST
On 11/21/2017 08:58 AM, Shuah Khan wrote:
> Hi John,
>
> I am seeing the following on my laptop. Unfortunately this is my primary
> system and my ability to bisect might be a bit limited. The system is
> running
>
> 4.14.0+ #4 SMP Tue Nov 14 19:25:58 MST 2017 x86_64 x86_64 x86_64 GNU/Linux
>
> on Ubuntu 17.10 base.
>
> Is this a known issue? Please see the dmesg excerpts below:
>
Its not. I'll start looking into it today
Do you have any other information that you can send to me?
Any particular task/work load that triggers this?
Can you tar up your /etc/apparmor.d/ and send that to me?
>
> thanks,
> -- Shuah
>
> ---------------------------------------------------------------------------------------------------------------------------------
> BUG: unable to handle kernel paging request at ffffffff3bbbe160
> [11056.698348] IP: audit_signal_cb+0x75/0xf0
> [11056.698349] PGD 339e0c067 P4D 339e0c067 PUD 0
> [11056.698351] Oops: 0000 [#1] SMP
> [11056.698353] Modules linked in: uas usb_storage thunderbolt rfcomm bnep binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm dcdbas snd_seq_midi snd_seq_midi_event snd_rawmidi brcmfmac intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq coretemp brcmutil cfg80211 rtsx_pci_ms snd_seq_device memstick snd_timer kvm_intel kvm irqbypass snd joydev wmi_bmof uvcvideo serio_raw soundcore shpchp videobuf2_vmalloc cp210x usbserial videobuf2_memops videobuf2_v4l2 mei_me videobuf2_core mei btusb btrtl videodev hid_multitouch btbcm media input_leds intel_lpss_pci processor_thermal_device intel_soc_dts_iosf hci_uart btintel bluetooth acpi_als kfifo_buf mac_hid industrialio acpi_pad ecdh_generic intel_lpss_acpi intel_lpss int3403_thermal
> [11056.698383] int340x_thermal_zone int3400_thermal acpi_thermal_rel parport_pc ppdev lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc ahci hid_generic rtsx_pci_sdmmc sysfillrect aesni_intel usbhid sysimgblt i2c_hid fb_sys_fops aes_x86_64 crypto_simd glue_helper cryptd psmouse rtsx_pci libahci drm wmi hid pinctrl_sunrisepoint video pinctrl_intel
> [11056.698414] CPU: 0 PID: 10483 Comm: evince Not tainted 4.14.0+ #4
> [11056.698415] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016
> [11056.698416] task: ffff9a1441a1bd00 task.stack: ffffbe1d4486c000
> [11056.698417] RIP: 0010:audit_signal_cb+0x75/0xf0
> [11056.698418] RSP: 0018:ffffbe1d4486fba0 EFLAGS: 00010292
> [11056.698419] RAX: ffffbe1d4486fd18 RBX: ffff9a15f05269f0 RCX: 0000000000000000
> [11056.698420] RDX: fffffffff042da90 RSI: 0000000000000006 RDI: ffff9a1461627800
> [11056.698421] RBP: ffffbe1d4486fbb0 R08: 0000000000000044 R09: ffffbe1d4486fbe6
> [11056.698422] R10: ffffbe1d4486fc50 R11: ffff9a14f06f9872 R12: ffffbe1d4486fcf8
> [11056.698423] R13: ffffffffb939a690 R14: ffff9a1441a1bd00 R15: 0000000000000000
> [11056.698424] FS: 00007ff520501ac0(0000) GS:ffff9a1600c00000(0000) knlGS:0000000000000000
> [11056.698425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [11056.698425] CR2: ffffffff3bbbe160 CR3: 00000002e17e2005 CR4: 00000000003606f0
> [11056.698426] Call Trace:
> [11056.698429] common_lsm_audit+0x1c4/0x730
> [11056.698432] ? aa_compute_fperms+0x188/0x1b0
> [11056.698433] aa_audit_msg+0x22/0x30
> [11056.698434] ? aa_audit_msg+0x22/0x30
> [11056.698436] aa_check_perms+0xe8/0x100
> [11056.698437] profile_signal_perm.part.2+0x92/0xa0
> [11056.698438] aa_may_signal+0x1b0/0x200
> [11056.698441] apparmor_task_kill+0x50/0x100
> [11056.698444] security_task_kill+0x4b/0x70
> [11056.698446] check_kill_permission+0xe4/0x100
> [11056.698447] group_send_sig_info+0x1b/0x40
> [11056.698448] kill_pid_info+0x34/0x50
> [11056.698450] SYSC_kill+0xe0/0x1a0
> [11056.698451] ? ____fput+0xe/0x10
> [11056.698453] ? task_work_run+0x46/0xc0
> [11056.698455] SyS_kill+0xe/0x10
> [11056.698457] entry_SYSCALL_64_fastpath+0x1e/0xa9
> [11056.698459] RIP: 0033:0x7ff51ce0c457
> [11056.698460] RSP: 002b:00007ffee217e008 EFLAGS: 00000246 ORIG_RAX: 000000000000003e
> [11056.698461] RAX: ffffffffffffffda RBX: 0000560b4db35200 RCX: 00007ff51ce0c457
> [11056.698462] RDX: 0000000000000021 RSI: 0000000000000000 RDI: 00000000000008ac
> [11056.698462] RBP: 00007ff51d1ac3e0 R08: 0000560b4db1b880 R09: 0000000000000000
> [11056.698463] R10: 00007ff520501ac0 R11: 0000000000000246 R12: 0000000000000000
> [11056.698464] R13: 00007ff5103de9ba R14: 00000000000008ac R15: 00007ff5103de9c8
> [11056.698465] Code: 18 48 89 df 41 b8 20 00 08 01 48 8b 42 10 48 8b 52 30 48 63 48 4c 48 8b 44 c8 48 31 c9 48 8b 70 38 e8 70 fd 00 00 5b 41 5c 5d c3 <48> 8b 14 d5 e0 0c a5 b9 48 c7 c6 34 ad cb b9 48 89 df e8 74 88
> [11056.698483] RIP: audit_signal_cb+0x75/0xf0 RSP: ffffbe1d4486fba0
> [11056.698484] CR2: ffffffff3bbbe160
> [11056.698486] ---[ end trace 082a937c357a2a04 ]---
> [11081.860720] BUG: unable to handle kernel paging request at ffffffff3bbbe160
> [11081.860727] IP: audit_signal_cb+0x75/0xf0
> [11081.860728] PGD 339e0c067 P4D 339e0c067 PUD 0
> [11081.860731] Oops: 0000 [#2] SMP
> [11081.860732] Modules linked in: uas usb_storage thunderbolt rfcomm bnep binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm dcdbas snd_seq_midi snd_seq_midi_event snd_rawmidi brcmfmac intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq coretemp brcmutil cfg80211 rtsx_pci_ms snd_seq_device memstick snd_timer kvm_intel kvm irqbypass snd joydev wmi_bmof uvcvideo serio_raw soundcore shpchp videobuf2_vmalloc cp210x usbserial videobuf2_memops videobuf2_v4l2 mei_me videobuf2_core mei btusb btrtl videodev hid_multitouch btbcm media input_leds intel_lpss_pci processor_thermal_device intel_soc_dts_iosf hci_uart btintel bluetooth acpi_als kfifo_buf mac_hid industrialio acpi_pad ecdh_generic intel_lpss_acpi intel_lpss int3403_thermal
> [11081.860775] int340x_thermal_zone int3400_thermal acpi_thermal_rel parport_pc ppdev lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc ahci hid_generic rtsx_pci_sdmmc sysfillrect aesni_intel usbhid sysimgblt i2c_hid fb_sys_fops aes_x86_64 crypto_simd glue_helper cryptd psmouse rtsx_pci libahci drm wmi hid pinctrl_sunrisepoint video pinctrl_intel
> [11081.860792] CPU: 3 PID: 10535 Comm: evince Tainted: G D 4.14.0+ #4
> [11081.860793] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016
> [11081.860794] task: ffff9a14602cadc0 task.stack: ffffbe1d44694000
> [11081.860795] RIP: 0010:audit_signal_cb+0x75/0xf0
> [11081.860796] RSP: 0018:ffffbe1d44697ba0 EFLAGS: 00010292
> [11081.860797] RAX: ffffbe1d44697d18 RBX: ffff9a15e59f1f78 RCX: 0000000000000000
> [11081.860798] RDX: fffffffff042da90 RSI: 0000000000000006 RDI: ffff9a14d7eebf00
> [11081.860799] RBP: ffffbe1d44697bb0 R08: 0000000000000044 R09: ffffbe1d44697be6
> [11081.860800] R10: ffffbe1d44697c50 R11: ffff9a14f06f8872 R12: ffffbe1d44697cf8
> [11081.860801] R13: ffffffffb939a690 R14: ffff9a14602cadc0 R15: 0000000000000000
> [11081.860802] FS: 00007f15d6888ac0(0000) GS:ffff9a1600d80000(0000) knlGS:0000000000000000
> [11081.860803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [11081.860804] CR2: ffffffff3bbbe160 CR3: 000000038b50b005 CR4: 00000000003606e0
> [11081.860804] Call Trace:
> [11081.860807] common_lsm_audit+0x1c4/0x730
> [11081.860809] aa_audit_msg+0x22/0x30
> [11081.860810] ? aa_audit_msg+0x22/0x30
> [11081.860812] aa_check_perms+0xe8/0x100
> [11081.860813] profile_signal_perm.part.2+0x92/0xa0
> [11081.860814] aa_may_signal+0x1b0/0x200
> [11081.860817] apparmor_task_kill+0x50/0x100
> [11081.860820] security_task_kill+0x4b/0x70
> [11081.860821] check_kill_permission+0xe4/0x100
> [11081.860823] group_send_sig_info+0x1b/0x40
> [11081.860824] kill_pid_info+0x34/0x50
> [11081.860825] SYSC_kill+0xe0/0x1a0
> [11081.860827] ? ____fput+0xe/0x10
> [11081.860829] ? task_work_run+0x46/0xc0
> [11081.860830] SyS_kill+0xe/0x10
> [11081.860833] entry_SYSCALL_64_fastpath+0x1e/0xa9
> [11081.860834] RIP: 0033:0x7f15d3193457
> [11081.860835] RSP: 002b:00007fffb5772598 EFLAGS: 00000246 ORIG_RAX: 000000000000003e
> [11081.860836] RAX: ffffffffffffffda RBX: 000056493cc04640 RCX: 00007f15d3193457
> [11081.860837] RDX: 0000000000000021 RSI: 0000000000000000 RDI: 00000000000008ac
> [11081.860838] RBP: 00007f15d35333e0 R08: 000056493c99ea00 R09: 0000000000000000
> [11081.860839] R10: 00007f15d6888ac0 R11: 0000000000000246 R12: 0000000000000000
> [11081.860839] R13: 00007f15c27559ba R14: 00000000000008ac R15: 00007f15c27559c8
> [11081.860840] Code: 18 48 89 df 41 b8 20 00 08 01 48 8b 42 10 48 8b 52 30 48 63 48 4c 48 8b 44 c8 48 31 c9 48 8b 70 38 e8 70 fd 00 00 5b 41 5c 5d c3 <48> 8b 14 d5 e0 0c a5 b9 48 c7 c6 34 ad cb b9 48 89 df e8 74 88
> [11081.860859] RIP: audit_signal_cb+0x75/0xf0 RSP: ffffbe1d44697ba0
> [11081.860859] CR2: ffffffff3bbbe160
> [11081.860861] ---[ end trace 082a937c357a2a05 ]---
> [11096.910997] BUG: unable to handle kernel paging request at ffffffff3bbbe160
> [11096.911005] IP: audit_signal_cb+0x75/0xf0
> [11096.911007] PGD 339e0c067 P4D 339e0c067 PUD 0
> [11096.911009] Oops: 0000 [#3] SMP
> [11096.911011] Modules linked in: uas usb_storage thunderbolt rfcomm bnep binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm dcdbas snd_seq_midi snd_seq_midi_event snd_rawmidi brcmfmac intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq coretemp brcmutil cfg80211 rtsx_pci_ms snd_seq_device memstick snd_timer kvm_intel kvm irqbypass snd joydev wmi_bmof uvcvideo serio_raw soundcore shpchp videobuf2_vmalloc cp210x usbserial videobuf2_memops videobuf2_v4l2 mei_me videobuf2_core mei btusb btrtl videodev hid_multitouch btbcm media input_leds intel_lpss_pci processor_thermal_device intel_soc_dts_iosf hci_uart btintel bluetooth acpi_als kfifo_buf mac_hid industrialio acpi_pad ecdh_generic intel_lpss_acpi intel_lpss int3403_thermal
> [11096.911040] int340x_thermal_zone int3400_thermal acpi_thermal_rel parport_pc ppdev lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc ahci hid_generic rtsx_pci_sdmmc sysfillrect aesni_intel usbhid sysimgblt i2c_hid fb_sys_fops aes_x86_64 crypto_simd glue_helper cryptd psmouse rtsx_pci libahci drm wmi hid pinctrl_sunrisepoint video pinctrl_intel
> [11096.911070] CPU: 2 PID: 10562 Comm: evince Tainted: G D 4.14.0+ #4
> [11096.911071] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016
> [11096.911072] task: ffff9a1509388f40 task.stack: ffffbe1d44afc000
> [11096.911073] RIP: 0010:audit_signal_cb+0x75/0xf0
> [11096.911074] RSP: 0018:ffffbe1d44affba0 EFLAGS: 00010292
> [11096.911075] RAX: ffffbe1d44affd18 RBX: ffff9a15e50f9708 RCX: 0000000000000000
> [11096.911076] RDX: fffffffff042da90 RSI: 0000000000000006 RDI: ffff9a1441835700
> [11096.911077] RBP: ffffbe1d44affbb0 R08: 0000000000000044 R09: ffffbe1d44affbe6
> [11096.911078] R10: ffffbe1d44affc50 R11: ffff9a14d7d80872 R12: ffffbe1d44affcf8
> [11096.911078] R13: ffffffffb939a690 R14: ffff9a1509388f40 R15: 0000000000000000
> [11096.911080] FS: 00007f62fc600ac0(0000) GS:ffff9a1600d00000(0000) knlGS:0000000000000000
> [11096.911081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [11096.911081] CR2: ffffffff3bbbe160 CR3: 00000002e0287003 CR4: 00000000003606e0
> [11096.911082] Call Trace:
> [11096.911086] common_lsm_audit+0x1c4/0x730
> [11096.911088] ? aa_compute_fperms+0x188/0x1b0
> [11096.911089] aa_audit_msg+0x22/0x30
> [11096.911091] ? aa_audit_msg+0x22/0x30
> [11096.911092] aa_check_perms+0xe8/0x100
> [11096.911093] profile_signal_perm.part.2+0x92/0xa0
> [11096.911095] aa_may_signal+0x1b0/0x200
> [11096.911097] apparmor_task_kill+0x50/0x100
> [11096.911099] security_task_kill+0x4b/0x70
> [11096.911101] check_kill_permission+0xe4/0x100
> [11096.911103] group_send_sig_info+0x1b/0x40
> [11096.911104] kill_pid_info+0x34/0x50
> [11096.911105] SYSC_kill+0xe0/0x1a0
> [11096.911107] ? ____fput+0xe/0x10
> [11096.911109] ? task_work_run+0x46/0xc0
> [11096.911111] SyS_kill+0xe/0x10
> [11096.911113] entry_SYSCALL_64_fastpath+0x1e/0xa9
> [11096.911115] RIP: 0033:0x7f62f8f0b457
> [11096.911116] RSP: 002b:00007ffe6c3a8308 EFLAGS: 00000246 ORIG_RAX: 000000000000003e
> [11096.911117] RAX: ffffffffffffffda RBX: 00005568fcd0e200 RCX: 00007f62f8f0b457
> [11096.911118] RDX: 0000000000000021 RSI: 0000000000000000 RDI: 00000000000008ac
> [11096.911118] RBP: 00007f62f92ab3e0 R08: 00005568fca89a00 R09: 0000000000000000
> [11096.911119] R10: 00007f62fc600ac0 R11: 0000000000000246 R12: 0000000000000000
> [11096.911120] R13: 00007f62ec4ee9ba R14: 00000000000008ac R15: 00007f62ec4ee9c8
> [11096.911121] Code: 18 48 89 df 41 b8 20 00 08 01 48 8b 42 10 48 8b 52 30 48 63 48 4c 48 8b 44 c8 48 31 c9 48 8b 70 38 e8 70 fd 00 00 5b 41 5c 5d c3 <48> 8b 14 d5 e0 0c a5 b9 48 c7 c6 34 ad cb b9 48 89 df e8 74 88
> [11096.911140] RIP: audit_signal_cb+0x75/0xf0 RSP: ffffbe1d44affba0
> [11096.911140] CR2: ffffffff3bbbe160
> [11096.911142] ---[ end trace 082a937c357a2a06 ]---
> [11260.520442] BUG: unable to handle kernel paging request at ffffffff3bbbe160
> [11260.520452] IP: audit_signal_cb+0x75/0xf0
> [11260.520453] PGD 339e0c067 P4D 339e0c067 PUD 0
> [11260.520457] Oops: 0000 [#4] SMP
> [11260.520459] Modules linked in: uas usb_storage thunderbolt rfcomm bnep binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm dcdbas snd_seq_midi snd_seq_midi_event snd_rawmidi brcmfmac intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_seq coretemp brcmutil cfg80211 rtsx_pci_ms snd_seq_device memstick snd_timer kvm_intel kvm irqbypass snd joydev wmi_bmof uvcvideo serio_raw soundcore shpchp videobuf2_vmalloc cp210x usbserial videobuf2_memops videobuf2_v4l2 mei_me videobuf2_core mei btusb btrtl videodev hid_multitouch btbcm media input_leds intel_lpss_pci processor_thermal_device intel_soc_dts_iosf hci_uart btintel bluetooth acpi_als kfifo_buf mac_hid industrialio acpi_pad ecdh_generic intel_lpss_acpi intel_lpss int3403_thermal
> [11260.520500] int340x_thermal_zone int3400_thermal acpi_thermal_rel parport_pc ppdev lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt i915 i2c_algo_bit crct10dif_pclmul crc32_pclmul drm_kms_helper ghash_clmulni_intel syscopyarea pcbc ahci hid_generic rtsx_pci_sdmmc sysfillrect aesni_intel usbhid sysimgblt i2c_hid fb_sys_fops aes_x86_64 crypto_simd glue_helper cryptd psmouse rtsx_pci libahci drm wmi hid pinctrl_sunrisepoint video pinctrl_intel
> [11260.520526] CPU: 3 PID: 10707 Comm: evince Tainted: G D 4.14.0+ #4
> [11260.520528] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3 01/08/2016
> [11260.520530] task: ffff9a146167eac0 task.stack: ffffbe1d44a2c000
> [11260.520532] RIP: 0010:audit_signal_cb+0x75/0xf0
> [11260.520534] RSP: 0018:ffffbe1d44a2fba0 EFLAGS: 00010292
> [11260.520536] RAX: ffffbe1d44a2fd18 RBX: ffff9a15e59f1fa8 RCX: 0000000000000000
> [11260.520537] RDX: fffffffff042da90 RSI: 0000000000000006 RDI: ffff9a13f498c400
> [11260.520539] RBP: ffffbe1d44a2fbb0 R08: 0000000000000044 R09: ffffbe1d44a2fbe6
> [11260.520541] R10: ffffbe1d44a2fc50 R11: ffff9a155ffbf872 R12: ffffbe1d44a2fcf8
> [11260.520542] R13: ffffffffb939a690 R14: ffff9a146167eac0 R15: 0000000000000000
> [11260.520544] FS: 00007f19e39a3ac0(0000) GS:ffff9a1600d80000(0000) knlGS:0000000000000000
> [11260.520546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [11260.520547] CR2: ffffffff3bbbe160 CR3: 00000002748ac003 CR4: 00000000003606e0
> [11260.520548] Call Trace:
> [11260.520553] common_lsm_audit+0x1c4/0x730
> [11260.520557] ? aa_compute_fperms+0x188/0x1b0
> [11260.520559] aa_audit_msg+0x22/0x30
> [11260.520561] ? aa_audit_msg+0x22/0x30
> [11260.520563] aa_check_perms+0xe8/0x100
> [11260.520566] profile_signal_perm.part.2+0x92/0xa0
> [11260.520568] aa_may_signal+0x1b0/0x200
> [11260.520572] apparmor_task_kill+0x50/0x100
> [11260.520575] security_task_kill+0x4b/0x70
> [11260.520578] check_kill_permission+0xe4/0x100
> [11260.520581] group_send_sig_info+0x1b/0x40
> [11260.520583] kill_pid_info+0x34/0x50
> [11260.520585] SYSC_kill+0xe0/0x1a0
> [11260.520588] ? ____fput+0xe/0x10
> [11260.520590] ? task_work_run+0x46/0xc0
> [11260.520593] SyS_kill+0xe/0x10
> [11260.520596] entry_SYSCALL_64_fastpath+0x1e/0xa9
> [11260.520599] RIP: 0033:0x7f19e02ae457
> [11260.520600] RSP: 002b:00007fff170ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000003e
> [11260.520602] RAX: ffffffffffffffda RBX: 0000556f0c27add0 RCX: 00007f19e02ae457
> [11260.520604] RDX: 0000000000000021 RSI: 0000000000000000 RDI: 00000000000008ac
> [11260.520605] RBP: 00007f19e064e3e0 R08: 0000556f0c264800 R09: 0000000000000000
> [11260.520607] R10: 00007f19e39a3ac0 R11: 0000000000000246 R12: 0000000000000000
> [11260.520608] R13: 00007f19d40929ba R14: 00000000000008ac R15: 00007f19d40929c8
> [11260.520610] Code: 18 48 89 df 41 b8 20 00 08 01 48 8b 42 10 48 8b 52 30 48 63 48 4c 48 8b 44 c8 48 31 c9 48 8b 70 38 e8 70 fd 00 00 5b 41 5c 5d c3 <48> 8b 14 d5 e0 0c a5 b9 48 c7 c6 34 ad cb b9 48 89 df e8 74 88
> [11260.520640] RIP: audit_signal_cb+0x75/0xf0 RSP: ffffbe1d44a2fba0
> [11260.520641] CR2: ffffffff3bbbe160
> [11260.520644] ---[ end trace 082a937c357a2a07 ]---
>
> ---------------------------------------------------------------------------------------------------------------------------------
>