Date:   Thu, 9 May 2019 12:19:53 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     "Schmauss, Erik" <erik.schmauss@...el.com>,
        "Moore, Robert" <robert.moore@...el.com>,
        "Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
        "lenb@...nel.org" <lenb@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devel@...ica.org" <devel@...ica.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH] ACPICA: acpica: Fix possible NULL pointer dereference in
 acpi_ut_remove_reference

On 2019/5/9 3:52, Schmauss, Erik wrote:
> 
> 
>> -----Original Message-----
>> From: YueHaibing [mailto:yuehaibing@...wei.com]
>> Sent: Wednesday, May 8, 2019 8:07 AM
>> To: Moore, Robert <robert.moore@...el.com>; Schmauss, Erik
>> <erik.schmauss@...el.com>; Wysocki, Rafael J <rafael.j.wysocki@...el.com>;
>> lenb@...nel.org
>> Cc: linux-kernel@...r.kernel.org; devel@...ica.org; linux-
>> acpi@...r.kernel.org; YueHaibing <yuehaibing@...wei.com>
>> Subject: [PATCH] ACPICA: acpica: Fix possible NULL pointer dereference in
>> acpi_ut_remove_reference
>>
>>  BUG: kernel NULL pointer dereference, address: 0000000000000000
>>  #PF: supervisor read access in kernel mode
>>  #PF: error_code(0x0000) - not-present page  PGD 0 P4D 0
>>  Oops: 0000 [#1
>>  CPU: 0 PID: 7393 Comm: modprobe Not tainted 5.1.0+ #34  Hardware name:
>> QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-
>> prebuilt.qemu-project.org 04/01/2014
>>  RIP: 0010:acpi_ut_update_object_reference+0xda/0x1e8
>>  Code: 4c 89 e7 eb ea 48 8b 7b 18 48 85 ff 0f 84 95 00 00 00 4c 8b 67 38 44 89 ee
>> e8 dd fb ff ff 4c 89 e7 eb e6 48 8b 43 18 44 89 e2 <48> 8b 3c d0 48 85 ff 75 0b 41
>> ff c4 44 3b 63 2c 72 e7 eb 66 8a 47
>>  RSP: 0018:ffffc90001c9f550 EFLAGS: 00010283
>>  RAX: 0000000000000000 RBX: ffff8882310d7288 RCX: 0000000000000000
>>  RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8882310d7288
>>  RBP: ffffc90001c9f580 R08: 0000000000000000 R09: 0000000000000000
>>  R10: 0000000000000001 R11: 000000003ef29b78 R12: 0000000000000000
>>  R13: 0000000000000001 R14: ffff88823122e000 R15: 0000000000000000
>>  FS:  00007f4469ead540(0000) GS:ffff888237a00000(0000)
>> knlGS:0000000000000000
>>  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>  CR2: 0000000000000000 CR3: 000000022c2b5000 CR4: 00000000000006f0  Call
>> Trace:
>>   acpi_ut_remove_reference+0x29/0x2c
>>   acpi_ut_copy_iobject_to_iobject+0xd7/0xee
>>   acpi_ds_store_object_to_local+0x9a/0x181
>>   acpi_ex_store+0x233/0x279
>>   ? acpi_ds_create_operands+0x74/0xdb
>>   acpi_ex_opcode_1A_1T_1R+0x3c3/0x4fc
>>   acpi_ds_exec_end_op+0xd1/0x419
>>   acpi_ps_parse_loop+0x532/0x5d0
>>   acpi_ps_parse_aml+0x93/0x2c8
>>   acpi_ps_execute_method+0x16d/0x1b2
>>   acpi_ns_evaluate+0x1c1/0x26c
>>   acpi_ut_evaluate_object+0x7d/0x1a4
>>   acpi_rs_get_prt_method_data+0x30/0x66
>>   acpi_get_irq_routing_table+0x3d/0x56
>>   acpi_pci_irq_find_prt_entry+0x8d/0x300
>>   ? trace_hardirqs_on+0x3f/0x110
>>   acpi_pci_irq_lookup+0x35/0x1f0
>>   acpi_pci_irq_enable+0x72/0x1e0
>>   ? pci_read_config_word+0x2e/0x30
>>   pcibios_enable_device+0x2e/0x40
>>   do_pci_enable_device+0x5c/0x100
>>   pci_enable_device_flags+0xe0/0x130
>>   pci_enable_device+0xe/0x10
>>   e1000_probe+0xd2/0xfc0 [e1000
>>   ? trace_hardirqs_on+0x3f/0x110
>>   local_pci_probe+0x41/0x90
>>   pci_device_probe+0x14c/0x1b0
>>   really_probe+0x1d4/0x2d0
>>   driver_probe_device+0x50/0xf0
>>   device_driver_attach+0x54/0x60
>>   __driver_attach+0x7e/0xd0
>>   ? device_driver_attach+0x60/0x60
>>   bus_for_each_dev+0x68/0xc0
>>   driver_attach+0x19/0x20
>>   bus_add_driver+0x15e/0x200
>>   driver_register+0x5b/0xf0
>>   __pci_register_driver+0x66/0x70
>>   ? 0xffffffffa0179000
>>   e1000_init_module+0x50/0x1000 [e1000
>>   ? 0xffffffffa0179000
>>   do_one_initcall+0x6c/0x3cc
>>   ? do_init_module+0x22/0x207
>>   ? rcu_read_lock_sched_held+0x97/0xb0
>>   ? kmem_cache_alloc_trace+0x325/0x3b0
>>   do_init_module+0x5b/0x207
>>   load_module+0x1e34/0x2560
>>   ? m_show+0x1d0/0x1d0
>>   __do_sys_finit_module+0xc5/0xd0
>>   __x64_sys_finit_module+0x15/0x20
>>   do_syscall_64+0x6b/0x1d0
>>   entry_SYSCALL_64_after_hwframe+0x49/0xbe
>>
>> In acpi_ut_copy_iobject_to_iobject, if
>> acpi_ut_copy_ipackage_to_ipackage failed with AE_NO_MEMORY,
>> acpi_ut_remove_reference will be called and in which calls
>> acpi_ut_update_object_reference, then it try to dereference 'object-
>>> package.elements[i]'
>> which trigger NULL pointer dereference.
>>
>> Reported-by: Hulk Robot <hulkci@...wei.com>
>> Fixes: 8aa5e56eeb61 ("ACPICA: Utilities: Fix memory leak in
>> acpi_ut_copy_iobject_to_iobject")
>> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>> ---
>>  drivers/acpi/acpica/utcopy.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index
>> 1fb8327..038d518 100644
>> --- a/drivers/acpi/acpica/utcopy.c
>> +++ b/drivers/acpi/acpica/utcopy.c
>> @@ -895,7 +895,6 @@
>>
>>  	dest_obj->common.type = source_obj->common.type;
>>  	dest_obj->common.flags = source_obj->common.flags;
>> -	dest_obj->package.count = source_obj->package.count;
>>
>>  	/*
>>  	 * Create the object array and walk the source package tree @@ -
>> 909,6 +908,8 @@
>>  		return_ACPI_STATUS(AE_NO_MEMORY);
>>  	}
>>
>> +	dest_obj->package.count = source_obj->package.count;
>> +
>>  	/*
>>  	 * Copy the package element-by-element by walking the package
>> "tree".
>>  	 * This handles nested packages of arbitrary depth.
>> --
>> 1.8.3.1
>>
> 
> Please provide the acpidump as well as the dmesg

acpidump is attached and full CallTrace as below:

[ 1325.207834][ T5707] modprobe (5707) used greatest stack depth: 11672 bytes left
[ 1325.210188][ T5710] e1000 0000:00:03.0 enp0s3: renamed from eth0
finit_module(3, "", 0[ 1325.409956][ T5733] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[ 1325.411224][ T5733] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 1325.412416][ T5733] FAULT_INJECTION: forcing a failure.
[ 1325.412416][ T5733] name failslab, interval 1, probability 0, space 0, times 0
[ 1325.414494][ T5733] CPU: 0 PID: 5733 Comm: modprobe Not tainted 5.1.0+ #48
[ 1325.415585][ T5733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
[ 1325.417495][ T5733] Call Trace:
[ 1325.418050][ T5733]  dump_stack+0xa5/0xdc
[ 1325.418651][ T5733]  should_fail+0x145/0x170
[ 1325.419388][ T5733]  __should_failslab+0x49/0x50
[ 1325.420070][ T5733]  should_failslab+0x9/0x14
[ 1325.420697][ T5733]  __kmalloc+0x70/0x710
[ 1325.421453][ T5733]  ? acpi_ut_allocate_object_desc_dbg+0x3c/0x67
[ 1325.422332][ T5733]  ? acpi_os_allocate_zeroed+0x2b/0x2d
[ 1325.423224][ T5733]  acpi_os_allocate_zeroed+0x2b/0x2d
[ 1325.423978][ T5733]  acpi_ut_copy_iobject_to_iobject+0x72/0xef
[ 1325.424868][ T5733]  acpi_ds_store_object_to_local+0x98/0x17e
[ 1325.425715][ T5733]  acpi_ex_store+0x22f/0x271
[ 1325.426423][ T5733]  ? acpi_ex_resolve_to_value+0x77/0x255
[ 1325.427221][ T5733]  acpi_ex_opcode_1A_1T_1R+0x3d0/0x504
[ 1325.428021][ T5733]  ? acpi_ex_resolve_operands+0x203/0x538
[ 1325.428831][ T5733]  acpi_ds_exec_end_op+0xca/0x41b
[ 1325.429535][ T5733]  acpi_ps_parse_loop+0x49b/0x5cf
[ 1325.430372][ T5733]  acpi_ps_parse_aml+0x94/0x2c2
[ 1325.431390][ T5733]  acpi_ps_execute_method+0x163/0x19a
[ 1325.432193][ T5733]  acpi_ns_evaluate+0x1c4/0x260
[ 1325.432892][ T5733]  acpi_ut_evaluate_object+0x82/0x19c
[ 1325.433644][ T5733]  acpi_rs_get_prt_method_data+0x30/0x6a
[ 1325.434441][ T5733]  ? acpi_rs_validate_parameters+0x3a/0x4e
[ 1325.435450][ T5733]  acpi_get_irq_routing_table+0x34/0x4d
[ 1325.436343][ T5733]  acpi_pci_irq_find_prt_entry+0x89/0x2e0
[ 1325.437428][ T5733]  ? trace_hardirqs_on+0x3b/0x110
[ 1325.438180][ T5733]  acpi_pci_irq_lookup+0x35/0x1b0
[ 1325.439006][ T5733]  acpi_pci_irq_enable+0x70/0x1c0
[ 1325.439714][ T5733]  ? pci_read_config_word+0x1e/0x30
[ 1325.440456][ T5733]  pcibios_enable_device+0x29/0x30
[ 1325.441179][ T5733]  do_pci_enable_device+0x83/0x100
[ 1325.441907][ T5733]  pci_enable_device_flags+0xe3/0x130
[ 1325.442659][ T5733]  ? __pm_runtime_resume+0x56/0x80
[ 1325.443379][ T5733]  pci_enable_device+0xe/0x10
[ 1325.444188][ T5733]  e1000_probe+0xcf/0xfa0 [e1000]
[ 1325.444911][ T5733]  local_pci_probe+0x42/0x90
[ 1325.445573][ T5733]  pci_device_probe+0x144/0x1b0
[ 1325.446262][ T5733]  really_probe+0x1ba/0x2c0
[ 1325.446912][ T5733]  driver_probe_device+0x50/0xf0
[ 1325.447604][ T5733]  device_driver_attach+0x53/0x60
[ 1325.448317][ T5733]  __driver_attach+0x72/0xc0
[ 1325.448973][ T5733]  ? device_driver_attach+0x60/0x60
[ 1325.449712][ T5733]  bus_for_each_dev+0x76/0xc0
[ 1325.450372][ T5733]  driver_attach+0x19/0x20
[ 1325.451001][ T5733]  bus_add_driver+0x179/0x200
[ 1325.451660][ T5733]  ? 0xffffffffa0174000
[ 1325.452247][ T5733]  driver_register+0x5b/0xf0
[ 1325.452903][ T5733]  ? 0xffffffffa0174000
[ 1325.453496][ T5733]  __pci_register_driver+0x66/0x70
[ 1325.454218][ T5733]  e1000_init_module+0x4c/0x1000 [e1000]
[ 1325.455020][ T5733]  do_one_initcall+0x65/0x350
[ 1325.455679][ T5733]  do_init_module+0x5a/0x205
[ 1325.456328][ T5733]  load_module+0x1f07/0x2710
[ 1325.456983][ T5733]  ? ima_post_read_file+0xec/0x130
[ 1325.457705][ T5733]  __do_sys_finit_module+0xd1/0xf0
[ 1325.458436][ T5733]  ? __do_sys_finit_module+0xd1/0xf0
[ 1325.459199][ T5733]  __x64_sys_finit_module+0x15/0x20
[ 1325.459954][ T5733]  do_syscall_64+0x6e/0x1f0
[ 1325.460582][ T5733]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 1325.461411][ T5733] RIP: 0033:0x7f641c63d839
[ 1325.462035][ T5733] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
[ 1325.464809][ T5733] RSP: 002b:00007ffc9fe7ee08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1325.465989][ T5733] RAX: ffffffffffffffda RBX: 000055854b7b3bf0 RCX: 00007f641c63d839
[ 1325.467110][ T5733] RDX: 0000000000000000 RSI: 000055854a76dc2e RDI: 0000000000000003
[ 1325.468231][ T5733] RBP: 000055854a76dc2e R08: 0000000000000000 R09: 000055854b7b5e80
[ 1325.469494][ T5733] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
[ 1325.470615][ T5733] R13: 000055854b7b3ba0 R14: 0000000000040000 R15: 000055854b7b3bf0
[ 1325.479649][ T5733] ACPI Error: Package allocation failure (20190405/utcopy-908)
[ 1325.480771][ T5733] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 1325.481994][ T5733] #PF: supervisor read access in kernel mode
[ 1325.482844][ T5733] #PF: error_code(0x0000) - not-present page
[ 1325.483685][ T5733] PGD 0 P4D 0
[ 1325.484261][ T5733] Oops: 0000 [#1] PREEMPT SMP
[ 1325.485013][ T5733] CPU: 0 PID: 5733 Comm: modprobe Not tainted 5.1.0+ #48
[ 1325.486110][ T5733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
[ 1325.487999][ T5733] RIP: 0010:acpi_ut_update_object_reference+0xda/0x1e9
[ 1325.489042][ T5733] Code: 4c 89 e7 eb ea 48 8b 7b 18 48 85 ff 0f 84 94 00 00 00 4c 8b 67 38 44 89 ee e8 e8 fb ff ff 4c 89 e7 eb e6 48 8b 53 18 44 89 e0 <48> 8b 3c c2 48 85 ff 75 0b 41 ff c4 44 39 63 2c 77 e7 eb 65 8a 47
[ 1325.491970][ T5733] RSP: 0018:ffffc90001c6b548 EFLAGS: 00010202
[ 1325.492904][ T5733] RAX: 0000000000000000 RBX: ffff8882312c01f8 RCX: 0000000000000000
[ 1325.494109][ T5733] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8882312c01f8
[ 1325.495307][ T5733] RBP: ffffc90001c6b578 R08: 0000000000000000 R09: 0000000000000000
[ 1325.496495][ T5733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1325.497668][ T5733] R13: 0000000000000001 R14: ffff888232bcf800 R15: 0000000000000000
[ 1325.498924][ T5733] FS:  00007f641cb34540(0000) GS:ffff888237a00000(0000) knlGS:0000000000000000
[ 1325.500237][ T5733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1325.501243][ T5733] CR2: 0000000000000000 CR3: 000000022bf0b000 CR4: 00000000000006f0
[ 1325.502433][ T5733] Call Trace:
[ 1325.502954][ T5733]  acpi_ut_remove_reference+0x29/0x2d
[ 1325.503706][ T5733]  acpi_ut_copy_iobject_to_iobject+0xe2/0xef
[ 1325.504643][ T5733]  acpi_ds_store_object_to_local+0x98/0x17e
[ 1325.505530][ T5733]  acpi_ex_store+0x22f/0x271
[ 1325.506222][ T5733]  ? acpi_ex_resolve_to_value+0x77/0x255
[ 1325.507098][ T5733]  acpi_ex_opcode_1A_1T_1R+0x3d0/0x504
[ 1325.507943][ T5733]  ? acpi_ex_resolve_operands+0x203/0x538
[ 1325.508750][ T5733]  acpi_ds_exec_end_op+0xca/0x41b
[ 1325.509517][ T5733]  acpi_ps_parse_loop+0x49b/0x5cf
[ 1325.510243][ T5733]  acpi_ps_parse_aml+0x94/0x2c2
[ 1325.511055][ T5733]  acpi_ps_execute_method+0x163/0x19a
[ 1325.511845][ T5733]  acpi_ns_evaluate+0x1c4/0x260
[ 1325.512611][ T5733]  acpi_ut_evaluate_object+0x82/0x19c
[ 1325.513368][ T5733]  acpi_rs_get_prt_method_data+0x30/0x6a
[ 1325.514180][ T5733]  ? acpi_rs_validate_parameters+0x3a/0x4e
[ 1325.515064][ T5733]  acpi_get_irq_routing_table+0x34/0x4d
[ 1325.515853][ T5733]  acpi_pci_irq_find_prt_entry+0x89/0x2e0
[ 1325.516658][ T5733]  ? trace_hardirqs_on+0x3b/0x110
[ 1325.517434][ T5733]  acpi_pci_irq_lookup+0x35/0x1b0
[ 1325.518171][ T5733]  acpi_pci_irq_enable+0x70/0x1c0
[ 1325.518941][ T5733]  ? pci_read_config_word+0x1e/0x30
[ 1325.519671][ T5733]  pcibios_enable_device+0x29/0x30
[ 1325.520460][ T5733]  do_pci_enable_device+0x83/0x100
[ 1325.521195][ T5733]  pci_enable_device_flags+0xe3/0x130
[ 1325.521975][ T5733]  ? __pm_runtime_resume+0x56/0x80
[ 1325.522689][ T5733]  pci_enable_device+0xe/0x10
[ 1325.523427][ T5733]  e1000_probe+0xcf/0xfa0 [e1000]
[ 1325.524218][ T5733]  local_pci_probe+0x42/0x90
[ 1325.524890][ T5733]  pci_device_probe+0x144/0x1b0
[ 1325.525575][ T5733]  really_probe+0x1ba/0x2c0
[ 1325.526255][ T5733]  driver_probe_device+0x50/0xf0
[ 1325.526977][ T5733]  device_driver_attach+0x53/0x60
[ 1325.527679][ T5733]  __driver_attach+0x72/0xc0
[ 1325.528330][ T5733]  ? device_driver_attach+0x60/0x60
[ 1325.529080][ T5733]  bus_for_each_dev+0x76/0xc0
[ 1325.529747][ T5733]  driver_attach+0x19/0x20
[ 1325.530368][ T5733]  bus_add_driver+0x179/0x200
[ 1325.531105][ T5733]  ? 0xffffffffa0174000
[ 1325.531688][ T5733]  driver_register+0x5b/0xf0
[ 1325.532411][ T5733]  ? 0xffffffffa0174000
[ 1325.533066][ T5733]  __pci_register_driver+0x66/0x70
[ 1325.533809][ T5733]  e1000_init_module+0x4c/0x1000 [e1000]
[ 1325.534639][ T5733]  do_one_initcall+0x65/0x350
[ 1325.535342][ T5733]  do_init_module+0x5a/0x205
[ 1325.536014][ T5733]  load_module+0x1f07/0x2710
[ 1325.536656][ T5733]  ? ima_post_read_file+0xec/0x130
[ 1325.537389][ T5733]  __do_sys_finit_module+0xd1/0xf0
[ 1325.538174][ T5733]  ? __do_sys_finit_module+0xd1/0xf0
[ 1325.538978][ T5733]  __x64_sys_finit_module+0x15/0x20
[ 1325.539706][ T5733]  do_syscall_64+0x6e/0x1f0
[ 1325.540343][ T5733]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 1325.541177][ T5733] RIP: 0033:0x7f641c63d839
[ 1325.541818][ T5733] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
[ 1325.544631][ T5733] RSP: 002b:00007ffc9fe7ee08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1325.545913][ T5733] RAX: ffffffffffffffda RBX: 000055854b7b3bf0 RCX: 00007f641c63d839
[ 1325.547096][ T5733] RDX: 0000000000000000 RSI: 000055854a76dc2e RDI: 0000000000000003
[ 1325.548265][ T5733] RBP: 000055854a76dc2e R08: 0000000000000000 R09: 000055854b7b5e80
[ 1325.549468][ T5733] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
[ 1325.550603][ T5733] R13: 000055854b7b3ba0 R14: 0000000000040000 R15: 000055854b7b3bf0
[ 1325.551731][ T5733] Modules linked in: e1000(+) ip_tables ipv6 [last unloaded: e1000]
[ 1325.552864][ T5733] CR2: 0000000000000000
[ 1325.554138][ T5733] ---[ end trace 5346f55aacb38eb5 ]---
[ 1325.555027][ T5733] RIP: 0010:acpi_ut_update_object_reference+0xda/0x1e9
[ 1325.556395][ T5733] Code: 4c 89 e7 eb ea 48 8b 7b 18 48 85 ff 0f 84 94 00 00 00 4c 8b 67 38 44 89 ee e8 e8 fb ff ff 4c 89 e7 eb e6 48 8b 53 18 44 89 e0 <48> 8b 3c c2 48 85 ff 75 0b 41 ff c4 44 39 63 2c 77 e7 eb 65 8a 47
[ 1325.559271][ T5733] RSP: 0018:ffffc90001c6b548 EFLAGS: 00010202
[ 1325.560199][ T5733] RAX: 0000000000000000 RBX: ffff8882312c01f8 RCX: 0000000000000000
[ 1325.561343][ T5733] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8882312c01f8
[ 1325.562568][ T5733] RBP: ffffc90001c6b578 R08: 0000000000000000 R09: 0000000000000000
[ 1325.563773][ T5733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1325.564974][ T5733] R13: 0000000000000001 R14: ffff888232bcf800 R15: 0000000000000000
[ 1325.569567][ T5733] FS:  00007f641cb34540(0000) GS:ffff888237a00000(0000) knlGS:0000000000000000
[ 1325.571031][ T5733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1325.572072][ T5733] CR2: 00007fa706d674a0 CR3: 000000022bf0b000 CR4: 00000000000006f0
[ 1325.573260][ T5733] Kernel panic - not syncing: Fatal exception
[ 1325.574611][ T5733] Kernel Offset: disabled
[ 1325.575233][ T5733] Rebooting in 86400 seconds..

> 
> Thanks,
> Erik
> 
> .
> 

View attachment "acpi_table.out" of type "text/plain" (29700 bytes)

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