rcX probs, UBSAN complaints. one complaint about BIOS

From: Jim Cromie
Date: Wed Apr 27 2016 - 14:57:09 EST

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hello good folks,

recent rcXs have been misbehaving on my old Core-2 Duo box

[jimc@popeye log]$ more /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Core(TM)2 Duo CPU E7400 @ 2.80GHz
stepping : 10
microcode : 0xa0b

the box seems to lock/freeze up for many seconds while running make
-j2 on kernel,
and in another window doing make test on perl origin/blead.

Its an old box, and Im beating on it, but I dont remember it becoming
unresponsive like this.
It also seems to be intermittent - I doubt Ive characterized it adequately.

kernel-config is from make localmodconfig while running a recent Fedora kernel

these are manually copy-pasted from journalctl, I might have missed a
few UBSAN warnings...

Apr 27 06:00:56 popeye kernel: Linux version 4.6.0-rc5-p1
(jimc@popeye) (gcc version 5.3.1 20160406 (Red Hat 5.3.1-6) (GCC) )
#99 SMP Mon Apr 25 11:58:42 MDT 2016

Apr 27 06:00:56 popeye kernel: microcode: microcode updated early to
revision 0xa0b, date = 2010-09-28
Apr 27 06:00:56 popeye kernel: Initializing CPU#0
Apr 27 06:00:56 popeye kernel: ------------[ cut here ]------------
Apr 27 06:00:56 popeye kernel: WARNING: CPU: 0 PID: 0 at
drivers/iommu/dmar.c:830 warn_invalid_dmar+0xb2/0xe0
Apr 27 06:00:56 popeye kernel: Your BIOS is broken; DMAR reported at
address fedc1000 returns all ones!#012BIOS vendor: Dell Inc.; Ver:
A03; Product Version:
Apr 27 06:00:56 popeye kernel: Modules linked in:
Apr 27 06:00:56 popeye kernel: CPU: 0 PID: 0 Comm: swapper Not tainted
4.6.0-rc5-p1 #99
Apr 27 06:00:56 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A03 04/29/2009
Apr 27 06:00:56 popeye kernel: 00200046 371d03c1 00200046 c11b3e74
c0966e7a 00000000 371d03c1 c11b3ebc
Apr 27 06:00:56 popeye kernel: c111b7ea c11b3ea8 c0491bcd c113b6c8
c11b3ee0 00000000 c111b7ea 0000033e
Apr 27 06:00:56 popeye kernel: c0ae2652 0000033e c0ae2652 c186500c
fedc1000 00000000 c11b3ec8 c0491ca3
Apr 27 06:00:56 popeye kernel: Call Trace:
Apr 27 06:00:56 popeye kernel: [<c0966e7a>] dump_stack+0x66/0x9c
Apr 27 06:00:56 popeye kernel: [<c0491bcd>] __warn+0x11d/0x150
Apr 27 06:00:56 popeye kernel: [<c0ae2652>] ? warn_invalid_dmar+0xb2/0xe0
Apr 27 06:00:56 popeye kernel: [<c0ae2652>] ? warn_invalid_dmar+0xb2/0xe0
Apr 27 06:00:56 popeye kernel: [<c0491ca3>] warn_slowpath_fmt_taint+0x43/0x60
Apr 27 06:00:56 popeye kernel: [<c0ae2652>] warn_invalid_dmar+0xb2/0xe0
Apr 27 06:00:56 popeye kernel: [<c0f12403>] dmar_validate_one_drhd+0xc3/0x120
Apr 27 06:00:56 popeye kernel: [<c0a62011>] ? acpi_tb_acquire_table+0x40/0xa5
Apr 27 06:00:56 popeye kernel: [<c0ae23fa>]
dmar_walk_remapping_entries+0xda/0x280
Apr 27 06:00:56 popeye kernel: [<c16f0a94>] detect_intel_iommu+0x64/0xea
Apr 27 06:00:56 popeye kernel: [<c0f12340>] ? sfi_check_table+0x140/0x140
Apr 27 06:00:56 popeye kernel: [<c16af761>] pci_iommu_alloc+0x40/0x5a
Apr 27 06:00:56 popeye kernel: [<c16c0e5f>] mem_init+0x14/0x1b7
Apr 27 06:00:56 popeye kernel: [<c16a3c19>] start_kernel+0x217/0x4b1
Apr 27 06:00:56 popeye kernel: [<c16a32e3>] i386_start_kernel+0x91/0x95
Apr 27 06:00:56 popeye kernel: ---[ end trace 56cf99b02e568849 ]---

Apr 27 06:00:56 popeye kernel: smpboot: Max logical packages: 4
Apr 27 06:00:56 popeye kernel: smpboot: APIC(0) Converting physical 0
to logical package 0
Apr 27 06:00:56 popeye kernel: Enabling APIC mode: Flat. Using 1 I/O APICs
Apr 27 06:00:56 popeye kernel: ..TIMER: vector=0x30 apic1=0 pin1=2
apic2=-1 pin2=-1
Apr 27 06:00:56 popeye kernel: smpboot: CPU0: Intel(R) Core(TM)2 Duo
CPU E7400 @ 2.80GHz (family: 0x6, model: 0x17, stepping: 0xa)
Apr 27 06:00:56 popeye kernel: Performance Events: PEBS fmt0+, 4-deep
LBR, Core2 events,
Apr 27 06:00:56 popeye kernel:
================================================================================
Apr 27 06:00:56 popeye kernel: UBSAN: Undefined behaviour in
arch/x86/events/intel/core.c:3708:12
Apr 27 06:00:56 popeye kernel: shift exponent 35 is too large for
32-bit type 'long unsigned int'
Apr 27 06:00:56 popeye kernel: CPU: 0 PID: 1 Comm: swapper/0 Tainted:
G I 4.6.0-rc5-p1 #99
Apr 27 06:00:56 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A03 04/29/2009
Apr 27 06:00:56 popeye kernel: 00000046 94116a0a 00000046 f34dfdac
c0966e7a 00000000 94116a0a f34dfdd8
Apr 27 06:00:56 popeye kernel: 00000020 f34dfdbc c09bc86e f34dfdbc
c11c244c f34dfe3c c09bceec c110c0ec
Apr 27 06:00:56 popeye kernel: f34dfddc 00000020 c11c244c c11c2460
00000202 f3003533 c10c528a f34dfe44
Apr 27 06:00:56 popeye kernel: Call Trace:
Apr 27 06:00:56 popeye kernel: [<c0966e7a>] dump_stack+0x66/0x9c
Apr 27 06:00:56 popeye kernel: [<c09bc86e>] ubsan_epilogue+0xe/0x40
Apr 27 06:00:56 popeye kernel: [<c09bceec>]
__ubsan_handle_shift_out_of_bounds+0xec/0x150
Apr 27 06:00:56 popeye kernel: [<c051ef6e>] ? vprintk_default+0x3e/0x50
Apr 27 06:00:56 popeye kernel: [<c16a89d4>] intel_pmu_init+0xbed/0xde6
Apr 27 06:00:56 popeye kernel: [<c051ef6e>] ? vprintk_default+0x3e/0x50
Apr 27 06:00:56 popeye kernel: [<c16a6a98>] init_hw_perf_events+0x38/0x6c8
Apr 27 06:00:56 popeye kernel: [<c0981ec8>] ? kvasprintf+0x48/0xa0
Apr 27 06:00:56 popeye kernel: [<c051e9ce>] ? vprintk_emit+0x27e/0x630
Apr 27 06:00:56 popeye kernel: [<c04004ab>] ? do_one_initcall+0xbb/0x300
Apr 27 06:00:56 popeye kernel: [<c16a6a60>] ? merge_attr+0x1e5/0x1e5
Apr 27 06:00:56 popeye kernel: [<c04004c8>] do_one_initcall+0xd8/0x300
Apr 27 06:00:56 popeye kernel: [<c16a6a60>] ? merge_attr+0x1e5/0x1e5
Apr 27 06:00:56 popeye kernel: [<c16a6a60>] ? merge_attr+0x1e5/0x1e5
Apr 27 06:00:56 popeye kernel: [<c06323da>] ? printk+0x17/0x19
Apr 27 06:00:56 popeye kernel: [<c0445b49>] ? print_cpu_info+0x99/0x140
Apr 27 06:00:56 popeye kernel: [<c16b8b16>] ?
native_smp_prepare_cpus+0x4fa/0x546
Apr 27 06:00:56 popeye kernel: [<c16a3fe7>] kernel_init_freeable+0x134/0x32f
Apr 27 06:00:56 popeye kernel: [<c0429afb>] ? __switch_to+0x15b/0x7a0
Apr 27 06:00:56 popeye kernel: [<c0f10031>] kernel_init+0x11/0x130
Apr 27 06:00:56 popeye kernel: [<c04d6e72>] ? schedule_tail+0x12/0xa0
Apr 27 06:00:56 popeye kernel: [<c0f19e09>] ret_from_kernel_thread+0x21/0x38
Apr 27 06:00:56 popeye kernel: [<c0f10020>] ? rest_init+0x70/0x70
Apr 27 06:00:56 popeye kernel:
================================================================================

Apr 27 06:00:56 popeye kernel: acpi LNXIOBAY:00: ACPI dock station
(docks/bays count: 1)
Apr 27 06:00:56 popeye kernel:
================================================================================
Apr 27 06:00:56 popeye kernel: UBSAN: Undefined behaviour in
drivers/acpi/acpica/dsutils.c:641:16
Apr 27 06:00:56 popeye kernel: index -1 is out of range for type
'acpi_operand_object *[9]'
Apr 27 06:00:56 popeye kernel: CPU: 0 PID: 1 Comm: swapper/0 Tainted:
G I 4.6.0-rc5-p1 #99
Apr 27 06:00:56 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A03 04/29/2009
Apr 27 06:00:56 popeye kernel: 00000046 94116a0a 00000046 f34dfb7c
c0966e7a 00000000 94116a0a f34dfba0
Apr 27 06:00:56 popeye kernel: ffffffff f34dfb8c c09bc86e f34dfb8c
c1490954 f34dfbdc c09bcfc1 c110c18c
Apr 27 06:00:56 popeye kernel: f34dfba4 c149096c 00000202 f300312d
f35788d0 f35788d0 00000000 00000001
Apr 27 06:00:56 popeye kernel: Call Trace:
Apr 27 06:00:56 popeye kernel: [<c0966e7a>] dump_stack+0x66/0x9c
Apr 27 06:00:56 popeye kernel: [<c09bc86e>] ubsan_epilogue+0xe/0x40
Apr 27 06:00:56 popeye kernel: [<c09bcfc1>]
__ubsan_handle_out_of_bounds+0x71/0x90
Apr 27 06:00:56 popeye kernel: [<c0a469b7>] acpi_ds_create_operand+0x20f/0x2a8
Apr 27 06:00:56 popeye kernel: [<c0a2f101>] ? acpi_os_release_lock+0xd/0xf
Apr 27 06:00:56 popeye kernel: [<c0a46b54>] acpi_ds_create_operands+0x104/0x157
Apr 27 06:00:56 popeye kernel: [<c0a65ba2>] ? acpi_ut_remove_reference+0x2a/0x2d
Apr 27 06:00:56 popeye kernel: [<c0a43715>]
acpi_ds_exec_end_control_op+0x148/0x2b7
Apr 27 06:00:56 popeye kernel: [<c0a472f3>] acpi_ds_exec_end_op+0x266/0x4c8
Apr 27 06:00:56 popeye kernel: [<c0a5e5dc>] ? acpi_ps_complete_op+0x251/0x264
Apr 27 06:00:56 popeye kernel: [<c0a5debb>] acpi_ps_parse_loop+0x634/0x689
Apr 27 06:00:56 popeye kernel: [<c0a464a0>] ?
acpi_ds_clear_implicit_return+0x33/0x40
Apr 27 06:00:56 popeye kernel: [<c0a48a64>] ?
acpi_ds_delete_walk_state+0xab/0xb0
Apr 27 06:00:56 popeye kernel: [<c0a5ed41>] acpi_ps_parse_aml+0x9a/0x289
Apr 27 06:00:56 popeye kernel: [<c0a5f7a5>] acpi_ps_execute_method+0x1ab/0x1dc
Apr 27 06:00:56 popeye kernel: [<c0a58646>] acpi_ns_evaluate+0x1e1/0x25f
Apr 27 06:00:56 popeye kernel: [<c0a5bdc6>] acpi_evaluate_object+0x126/0x21c
Apr 27 06:00:56 popeye kernel: [<c0a2f899>] acpi_evaluate_integer+0x49/0x82
Apr 27 06:00:56 popeye kernel: [<c0a67a92>] ? acpi_ut_release_mutex+0xfd/0x10e
Apr 27 06:00:56 popeye kernel: [<c0a33f8c>] acpi_bus_get_status_handle+0x18/0x46
Apr 27 06:00:56 popeye kernel: [<c0a36721>] acpi_bus_check_add+0x7d/0x36a
Apr 27 06:00:56 popeye kernel: [<c0507bcb>] ? up+0x3b/0x80
Apr 27 06:00:56 popeye kernel: [<c0a5bbb6>] acpi_ns_walk_namespace+0xe6/0x1a3
Apr 27 06:00:56 popeye kernel: [<c0a5bbb6>] ? acpi_ns_walk_namespace+0xe6/0x1a3
Apr 27 06:00:56 popeye kernel: [<c0a5bfbb>] acpi_walk_namespace+0x7b/0xa5
Apr 27 06:00:56 popeye kernel: [<c0a366a4>] ? acpi_add_single_object+0x6aa/0x6aa
Apr 27 06:00:56 popeye kernel: [<c0a36cda>] acpi_bus_scan+0x49/0x79
Apr 27 06:00:56 popeye kernel: [<c0a366a4>] ? acpi_add_single_object+0x6aa/0x6aa
Apr 27 06:00:56 popeye kernel: [<c16eb590>] acpi_scan_init+0x61/0x1c0
Apr 27 06:00:56 popeye kernel: [<c16eb337>] acpi_init+0x27f/0x29d
Apr 27 06:00:56 popeye kernel: [<c16eb0b8>] ? acpi_sleep_proc_init+0x23/0x23
Apr 27 06:00:56 popeye kernel: [<c04004c8>] do_one_initcall+0xd8/0x300
Apr 27 06:00:56 popeye kernel: [<c16eb0b8>] ? acpi_sleep_proc_init+0x23/0x23
Apr 27 06:00:56 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:56 popeye kernel: [<c04c1038>] ? parse_args+0x258/0x670
Apr 27 06:00:56 popeye kernel: [<c16eb0b8>] ? acpi_sleep_proc_init+0x23/0x23
Apr 27 06:00:56 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:56 popeye kernel: [<c16a40c0>] ? kernel_init_freeable+0x20d/0x32f
Apr 27 06:00:56 popeye kernel: [<c16a4144>] kernel_init_freeable+0x291/0x32f
Apr 27 06:00:56 popeye kernel: [<c0f10031>] kernel_init+0x11/0x130
Apr 27 06:00:56 popeye kernel: [<c04d6e72>] ? schedule_tail+0x12/0xa0
Apr 27 06:00:56 popeye kernel: [<c0f19e09>] ret_from_kernel_thread+0x21/0x38
Apr 27 06:00:56 popeye kernel: [<c0f10020>] ? rest_init+0x70/0x70
Apr 27 06:00:56 popeye kernel:
================================================================================

Apr 27 06:00:56 popeye kernel:
================================================================================
Apr 27 06:00:56 popeye kernel: UBSAN: Undefined behaviour in
drivers/usb/host/ehci-hub.c:877:47
Apr 27 06:00:56 popeye kernel: index -1 is out of range for type 'u32 [1]'
Apr 27 06:00:56 popeye kernel: CPU: 0 PID: 1 Comm: swapper/0 Tainted:
G I 4.6.0-rc5-p1 #99
Apr 27 06:00:56 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A03 04/29/2009
Apr 27 06:00:56 popeye kernel: 00000046 94116a0a 00000046 f34df654
c0966e7a 00000000 94116a0a f34df678
Apr 27 06:00:56 popeye kernel: ffffffff f34df664 c09bc86e f34df664
c1545e48 f34df6b4 c09bcfc1 c110c18c
Apr 27 06:00:56 popeye kernel: f34df67c c1545e60 00000202 0000312d
c1796400 f34df690 c097cb7c f34df6a0
Apr 27 06:00:56 popeye kernel: Call Trace:
Apr 27 06:00:56 popeye kernel: [<c0966e7a>] dump_stack+0x66/0x9c
Apr 27 06:00:56 popeye kernel: [<c09bc86e>] ubsan_epilogue+0xe/0x40
Apr 27 06:00:56 popeye kernel: [<c09bcfc1>]
__ubsan_handle_out_of_bounds+0x71/0x90
Apr 27 06:00:56 popeye kernel: [<c097cb7c>] ? sprintf+0x1c/0x20
Apr 27 06:00:56 popeye kernel: [<c051cade>] ? print_prefix+0xee/0x1a0
Apr 27 06:00:56 popeye kernel: [<c0bf5088>] ehci_hub_control+0xe98/0xef0
Apr 27 06:00:56 popeye kernel: [<c051db8c>] ? console_unlock+0x35c/0x780
Apr 27 06:00:56 popeye kernel: [<c06c9625>] ? __kmalloc+0x1d5/0x400
Apr 27 06:00:56 popeye kernel: [<c0bc981b>] ? usb_hcd_submit_urb+0x36b/0xdc0
Apr 27 06:00:56 popeye kernel: [<c0bc9e09>] usb_hcd_submit_urb+0x959/0xdc0
Apr 27 06:00:56 popeye kernel: [<c0af789d>] ? dev_vprintk_emit+0xfd/0x2f0
Apr 27 06:00:56 popeye kernel: [<c0bcbdcb>] usb_submit_urb+0x28b/0x830
Apr 27 06:00:56 popeye kernel: [<c04e0030>] ? source_load+0xb0/0x150
Apr 27 06:00:56 popeye kernel: [<c0bccbe4>] usb_start_wait_urb+0x64/0x1a0
Apr 27 06:00:56 popeye kernel: [<c06c9625>] ? __kmalloc+0x1d5/0x400
Apr 27 06:00:56 popeye kernel: [<c0bcb597>] ? usb_alloc_urb+0x17/0x40
Apr 27 06:00:56 popeye kernel: [<c0bccdd9>] usb_control_msg+0xb9/0x100
Apr 27 06:00:56 popeye kernel: [<c0bc48cd>] hub_probe+0x41d/0x1320
Apr 27 06:00:56 popeye kernel: [<c0bd338c>] usb_probe_interface+0x13c/0x420
Apr 27 06:00:56 popeye kernel: [<c0afd722>] driver_probe_device+0x102/0x6b0
Apr 27 06:00:56 popeye kernel: [<c0bd24b3>] ? usb_match_one_id+0x53/0x70
Apr 27 06:00:56 popeye kernel: [<c0bd24f1>] ? usb_match_id+0x21/0x70
Apr 27 06:00:56 popeye kernel: [<c0bd269f>] ? usb_device_match+0x5f/0xe0
Apr 27 06:00:56 popeye kernel: [<c0afdf04>] __device_attach_driver+0xd4/0x200
Apr 27 06:00:56 popeye kernel: [<c0f0f9a8>] ? klist_next+0x38/0x1f0
Apr 27 06:00:56 popeye kernel: [<c0afde30>] ? __driver_attach+0x160/0x160
Apr 27 06:00:56 popeye kernel: [<c0afa764>] bus_for_each_drv+0x64/0xe0
Apr 27 06:00:56 popeye kernel: [<c0afd458>] __device_attach+0xd8/0x190
Apr 27 06:00:56 popeye kernel: [<c0afde30>] ? __driver_attach+0x160/0x160
Apr 27 06:00:56 popeye kernel: [<c0afe092>] device_initial_probe+0x12/0x20
Apr 27 06:00:56 popeye kernel: [<c0afc038>] bus_probe_device+0xa8/0x100
Apr 27 06:00:56 popeye kernel: [<c0af91f2>] device_add+0x532/0x700
Apr 27 06:00:56 popeye kernel: [<c0bcff4d>] usb_set_configuration+0x57d/0xc90
Apr 27 06:00:56 popeye kernel: [<c07a4353>] ? kernfs_activate+0x83/0x130
Apr 27 06:00:56 popeye kernel: [<c0be0356>] generic_probe+0x36/0xa0
:(manual cutpaste above,below, maybe missed lines)
Apr 27 06:00:56 popeye kernel: [<c07a8471>] ? sysfs_do_create_link_sd+0x71/0xf0
Apr 27 06:00:56 popeye kernel: [<c0bd31d3>] usb_probe_device+0x43/0xc0
Apr 27 06:00:56 popeye kernel: [<c0af84ac>] ? devices_kset_move_last+0x5c/0x110
Apr 27 06:00:56 popeye kernel: [<c0afc926>] ? driver_sysfs_add+0x86/0x110
Apr 27 06:00:56 popeye kernel: [<c0afd722>] driver_probe_device+0x102/0x6b0
Apr 27 06:00:56 popeye kernel: [<c096cb4c>] ? add_uevent_var+0x1c/0x1c0
Apr 27 06:00:56 popeye kernel: [<c097c71f>] ? vsnprintf+0x43f/0x7c0
Apr 27 06:00:56 popeye kernel: [<c0afdf04>] __device_attach_driver+0xd4/0x200
Apr 27 06:00:56 popeye kernel: [<c0f0f9a8>] ? klist_next+0x38/0x1f0
Apr 27 06:00:56 popeye kernel: [<c0afde30>] ? __driver_attach+0x160/0x160
Apr 27 06:00:56 popeye kernel: [<c0afa764>] bus_for_each_drv+0x64/0xe0
Apr 27 06:00:56 popeye kernel: [<c0afd458>] __device_attach+0xd8/0x190
Apr 27 06:00:56 popeye kernel: [<c0afde30>] ? __driver_attach+0x160/0x160
Apr 27 06:00:56 popeye kernel: [<c0afe092>] device_initial_probe+0x12/0x20
Apr 27 06:00:56 popeye kernel: [<c0afc038>] bus_probe_device+0xa8/0x100
Apr 27 06:00:56 popeye kernel: [<c0af91f2>] device_add+0x532/0x700
Apr 27 06:00:56 popeye kernel: [<c0bc0c81>] ? usb_new_device+0x231/0x810
Apr 27 06:00:56 popeye kernel: [<c0bc0d3b>] usb_new_device+0x2eb/0x810
Apr 27 06:00:56 popeye kernel: [<c0bcea27>] ?
usb_get_device_descriptor+0x77/0x100
Apr 27 06:00:56 popeye kernel: [<c0bc7fe1>] usb_add_hcd+0x751/0xc60
Apr 27 06:00:56 popeye kernel: [<c0be370d>] usb_hcd_pci_probe+0x48d/0x650
Apr 27 06:00:56 popeye kernel: [<c07a4193>] ? kernfs_new_node+0x43/0x90
Apr 27 06:00:56 popeye kernel: [<c0bfd7ce>] ehci_pci_probe+0x2e/0x50
Apr 27 06:00:56 popeye kernel: [<c09e1cb0>] pci_device_probe+0xc0/0x160
Apr 27 06:00:56 popeye kernel: [<c0afd722>] driver_probe_device+0x102/0x6b0
Apr 27 06:00:56 popeye kernel: [<c09e1805>] ? pci_match_device+0x135/0x1c0
Apr 27 06:00:56 popeye kernel: [<c0afddd1>] __driver_attach+0x101/0x160
Apr 27 06:00:56 popeye kernel: [<c0f0f9a8>] ? klist_next+0x38/0x1f0
Apr 27 06:00:56 popeye kernel: [<c0afdcd0>] ? driver_probe_device+0x6b0/0x6b0
Apr 27 06:00:56 popeye kernel: [<c0afa67c>] bus_for_each_dev+0x5c/0xc0
Apr 27 06:00:56 popeye kernel: [<c0afcc02>] driver_attach+0x22/0x40
Apr 27 06:00:56 popeye kernel: [<c0afdcd0>] ? driver_probe_device+0x6b0/0x6b0
Apr 27 06:00:56 popeye kernel: [<c0afc4e7>] bus_add_driver+0x227/0x370
Apr 27 06:00:56 popeye kernel: [<c0afec2f>] driver_register+0x6f/0x130
Apr 27 06:00:56 popeye kernel: [<c09df8f2>] __pci_register_driver+0x52/0x90
Apr 27 06:00:56 popeye kernel: [<c16f5586>] ? ehci_hcd_init+0xa8/0xa8
Apr 27 06:00:56 popeye kernel: [<c16f55dc>] ehci_pci_init+0x56/0x5a
Apr 27 06:00:56 popeye kernel: [<c04004c8>] do_one_initcall+0xd8/0x300
Apr 27 06:00:56 popeye kernel: [<c16f5586>] ? ehci_hcd_init+0xa8/0xa8
Apr 27 06:00:56 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:56 popeye kernel: [<c04c1038>] ? parse_args+0x258/0x670
Apr 27 06:00:56 popeye kernel: [<c16f5586>] ? ehci_hcd_init+0xa8/0xa8
Apr 27 06:00:56 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:56 popeye kernel: [<c16a40c0>] ? kernel_init_freeable+0x20d/0x32f
Apr 27 06:00:56 popeye kernel: [<c16a4144>] kernel_init_freeable+0x291/0x32f
Apr 27 06:00:56 popeye kernel: [<c0f10031>] kernel_init+0x11/0x130
Apr 27 06:00:56 popeye kernel: [<c04d6e72>] ? schedule_tail+0x12/0xa0
Apr 27 06:00:56 popeye kernel: [<c0f19e09>] ret_from_kernel_thread+0x21/0x38
Apr 27 06:00:56 popeye kernel: [<c0f10020>] ? rest_init+0x70/0x70
Apr 27 06:00:56 popeye kernel:
================================================================================

Apr 27 06:00:57 popeye kernel:
================================================================================
Apr 27 06:00:57 popeye kernel: UBSAN: Undefined behaviour in
lib/mpi/mpicoder.c:411:14
Apr 27 06:00:57 popeye kernel: load of address f34dfcc9 with insufficient space
Apr 27 06:00:57 popeye kernel: for an object of type 'mpi_limb_t'
Apr 27 06:00:57 popeye kernel: CPU: 1 PID: 1 Comm: swapper/0 Tainted:
G I 4.6.0-rc5-p1 #99
Apr 27 06:00:57 popeye kernel: Hardware name: Dell Inc. OptiPlex 760
/0R230R, BIOS A03 04/29/2009
Apr 27 06:00:57 popeye kernel: 00000046 94116a0a 00000046 f34dfc64
c0966e7a 00000000 94116a0a f34dfc8c
Apr 27 06:00:57 popeye kernel: f34dfcc9 f34dfc74 c09bc86e f34dfc74
c1455658 f34dfc9c c09bc94f c110abbc
Apr 27 06:00:57 popeye kernel: c1455b2c f34dfcc9 00000000 00000202
94116a0a f363af8c 00000200 f34dfcdc
Apr 27 06:00:57 popeye kernel: Call Trace:
Apr 27 06:00:57 popeye kernel: [<c0966e7a>] dump_stack+0x66/0x9c
Apr 27 06:00:57 popeye kernel: [<c09bc86e>] ubsan_epilogue+0xe/0x40
Apr 27 06:00:57 popeye kernel: [<c09bc94f>]
__ubsan_handle_type_mismatch+0xaf/0x1a0
Apr 27 06:00:57 popeye kernel: [<c09b5ee3>] mpi_write_to_sgl+0x333/0x420
Apr 27 06:00:57 popeye kernel: [<c08da064>] rsa_verify+0x104/0x150
Apr 27 06:00:57 popeye kernel: [<c08db01f>] pkcs1pad_verify+0xcf/0x1a0
Apr 27 06:00:57 popeye kernel: [<c09045aa>]
public_key_verify_signature+0x1da/0x400
Apr 27 06:00:57 popeye kernel: [<c08cc4d3>] ? crypto_destroy_tfm+0x53/0xc0
Apr 27 06:00:57 popeye kernel: [<c0906671>] ? x509_get_sig_params+0x141/0x210
Apr 27 06:00:57 popeye kernel: [<c090676a>] x509_check_signature+0x2a/0x90
Apr 27 06:00:57 popeye kernel: [<c0903e1b>] ? asymmetric_key_id_same+0x4b/0x80
Apr 27 06:00:57 popeye kernel: [<c0906864>] x509_key_preparse+0x94/0x3a0
Apr 27 06:00:57 popeye kernel: [<c051db8c>] ? console_unlock+0x35c/0x780
Apr 27 06:00:57 popeye kernel: [<c0903bc3>] asymmetric_key_preparse+0x53/0x110
Apr 27 06:00:57 popeye kernel: [<c088ac56>] key_create_or_update+0x136/0x500
Apr 27 06:00:57 popeye kernel: [<c051e9ce>] ? vprintk_emit+0x27e/0x630
Apr 27 06:00:57 popeye kernel: [<c16cedb6>]
load_system_certificate_list+0xd6/0x135
Apr 27 06:00:57 popeye kernel: [<c16cece0>] ?
system_trusted_keyring_init+0x68/0x68
Apr 27 06:00:57 popeye kernel: [<c04004c8>] do_one_initcall+0xd8/0x300
Apr 27 06:00:57 popeye kernel: [<c16cece0>] ?
system_trusted_keyring_init+0x68/0x68
Apr 27 06:00:57 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:57 popeye kernel: [<c04c1038>] ? parse_args+0x258/0x670
Apr 27 06:00:57 popeye kernel: [<c16cece0>] ?
system_trusted_keyring_init+0x68/0x68
Apr 27 06:00:57 popeye kernel: [<c16a35bb>] ? initcall_blacklist+0xb0/0xb0
Apr 27 06:00:57 popeye kernel: [<c16a40c0>] ? kernel_init_freeable+0x20d/0x32f
Apr 27 06:00:57 popeye kernel: [<c16a4144>] kernel_init_freeable+0x291/0x32f
Apr 27 06:00:57 popeye kernel: [<c0f10031>] kernel_init+0x11/0x130
Apr 27 06:00:57 popeye kernel: [<c04d6e72>] ? schedule_tail+0x12/0xa0
Apr 27 06:00:57 popeye kernel: [<c0f19e09>] ret_from_kernel_thread+0x21/0x38
Apr 27 06:00:57 popeye kernel: [<c0f10020>] ? rest_init+0x70/0x70
Apr 27 06:00:57 popeye kernel:
================================================================================
ï

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