On Sun, Apr 16, 2023 at 10:27:33PM +0800, kernel test robot wrote:
>
> Hello,
>
> kernel test robot noticed "canonical_address#:#[##]" on:
>
> commit: d288a162dd1c73507da582966f17dd226e34a0c0 ("net: dst: Prevent false sharing vs. dst_entry:: __refcnt")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master d3f2cd24819158bb70701c3549e586f9df9cee67]
>
> in testcase: kernel-selftests
> version: kernel-selftests-x86_64-60acb023-1_20230329
> with following parameters:
>
> group: net
>
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> compiler: gcc-11
> test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz (Skylake) with 28G memory
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
> If you fix the issue, kindly add following tag
> | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
> | Link: https://lore.kernel.org/oe-lkp/202304162125.18b7bcdd-oliver.sang@xxxxxxxxx
>
>
> [ 447.531710][ C7] general protection fault, probably for non-canonical address 0xed6d696d6d6d6d70: 0000 [#1] SMP KASAN PTI
> [ 447.542997][ C7] KASAN: maybe wild-memory-access in range [0x6b6b6b6b6b6b6b80-0x6b6b6b6b6b6b6b87]
> [ 447.552182][ C7] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G S 6.3.0-rc3-00830-gd288a162dd1c #1
> [ 447.562327][ C7] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.2.8 01/26/2016
> [ 447.570461][ C7] RIP: 0010:__lock_acquire+0xc30/0x2390
> [ 447.575894][ C7] Code: 02 05 41 bc 01 00 00 00 0f 86 94 00 00 00 89 05 66 57 02 05 e9 89 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea
> 03 <80> 3c 02 00 0f 85 f5 12 00 00 45 31 e4 49 81 3e e0 6d 0c 86 45 0f
> [ 447.595470][ C7] RSP: 0018:ffffc900004d0b18 EFLAGS: 00010002
> [ 447.601426][ C7] RAX: dffffc0000000000 RBX: 1ffff9200009a190 RCX: 0000000000000000
> [ 447.609300][ C7] RDX: 0d6d6d6d6d6d6d70 RSI: 0000000000000000 RDI: 6b6b6b6b6b6b6b83
> [ 447.617174][ C7] RBP: ffff888100a8b440 R08: 0000000000000001 R09: 0000000000000000
> [ 447.625049][ C7] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
> [ 447.632937][ C7] R13: 0000000000000000 R14: 6b6b6b6b6b6b6b83 R15: 0000000000000000
> [ 447.640812][ C7] FS: 0000000000000000(0000) GS:ffff88862c780000(0000) knlGS:0000000000000000
> [ 447.649648][ C7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 447.656124][ C7] CR2: 000055dbc0fa1794 CR3: 000000075745e001 CR4: 00000000003706e0
> [ 447.664000][ C7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 447.671876][ C7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 447.679749][ C7] Call Trace:
> [ 447.682910][ C7] <IRQ>
> [ 447.685632][ C7] ? mark_lock_irq+0xe50/0xe50
> [ 447.690277][ C7] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
> [ 447.696319][ C7] ? cpuidle_enter_state+0xe4/0x520
> [ 447.701404][ C7] ? cpuidle_enter+0x4e/0xa0
> [ 447.705883][ C7] ? cpuidle_idle_call+0x1ab/0x270
> [ 447.710884][ C7] ? do_idle+0xf3/0x1a0
> [ 447.714925][ C7] ? mark_usage+0x2a0/0x2a0
> [ 447.719315][ C7] ? __lock_acquire+0xa7d/0x2390
> [ 447.724145][ C7] lock_acquire+0x19d/0x4c0
> [ 447.728538][ C7] ? rt_del_uncached_list+0x71/0x1c0
> [ 447.733710][ C7] ? lock_release+0x200/0x200
> [ 447.738268][ C7] ? lock_acquire+0x19d/0x4c0
> [ 447.742828][ C7] ? rcu_do_batch+0x30d/0xcd0
> [ 447.747387][ C7] _raw_spin_lock_bh+0x38/0x50
> [ 447.752040][ C7] ? rt_del_uncached_list+0x71/0x1c0
> [ 447.757209][ C7] rt_del_uncached_list+0x71/0x1c0
> [ 447.762205][ C7] xfrm4_dst_destroy+0x74/0x240
> [ 447.766938][ C7] dst_destroy+0xe7/0x3d0
> [ 447.771146][ C7] rcu_do_batch+0x35e/0xcd0
> [ 447.775529][ C7] ? rcu_check_gp_kthread_starvation+0x370/0x370
> [ 447.781747][ C7] ? lockdep_hardirqs_on_prepare+0x13e/0x350
> [ 447.788225][ C7] ? lockdep_hardirqs_on_prepare+0x13e/0x350
> [ 447.794706][ C7] rcu_core+0x51c/0x7c0
> [ 447.798738][ C7] __do_softirq+0x1c9/0x7b1
> [ 447.803121][ C7] __irq_exit_rcu+0x17d/0x1e0
> [ 447.807677][ C7] irq_exit_rcu+0xe/0x20
> [ 447.811798][ C7] sysvec_apic_timer_interrupt+0x73/0x90
> [ 447.817317][ C7] </IRQ>
> [ 447.820124][ C7] <TASK>
> [ 447.822933][ C7] asm_sysvec_apic_timer_interrupt+0x1a/0x20
> [ 447.828798][ C7] RIP: 0010:cpuidle_enter_state+0xe4/0x520
> [ 447.834491][ C7] Code: bf ff ff ff ff 49 89 c6 e8 f9 63 5d ff 31 ff e8 12 84 a3 fd 45 84 ff 0f 85 49 02 00 00 e8 34 5d 5d ff 84 c0 0f 84 31 02 00 00 <45> 85 ed 0f 88 95 01 00 00 4d 63 fd 49 83 ff 09 0f 87 43 03 00 00
> [ 447.854073][ C7] RSP: 0018:ffffc900001cfd90 EFLAGS: 00000202
> [ 447.860040][ C7] RAX: 00000000005949ad RBX: ffffe8ffffd827a0 RCX: 1ffffffff0a9add1
> [ 447.867915][ C7] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff838b55ba
> [ 447.875790][ C7] RBP: ffffffff84fd5660 R08: 0000000000000001 R09: ffffffff854dbda7
> [ 447.883665][ C7] R10: fffffbfff0a9b7b4 R11: 0000000000000001 R12: 0000000000000004
> [ 447.891539][ C7] R13: 0000000000000004 R14: 0000006832edd0d7 R15: 0000000000000000
> [ 447.899416][ C7] ? cpuidle_enter_state+0x31a/0x520
> [ 447.904588][ C7] cpuidle_enter+0x4e/0xa0
> [ 447.908885][ C7] cpuidle_idle_call+0x1ab/0x270
> [ 447.913705][ C7] ? arch_cpu_idle_exit+0x40/0x40
> [ 447.918612][ C7] ? lockdep_hardirqs_on_prepare+0x19a/0x350
> [ 447.925094][ C7] ? tsc_verify_tsc_adjust+0x5d/0x290
> [ 447.930352][ C7] do_idle+0xf3/0x1a0
> [ 447.934213][ C7] cpu_startup_entry+0x1d/0x20
> [ 447.938856][ C7] start_secondary+0x237/0x2d0
> [ 447.943502][ C7] ? set_cpu_sibling_map+0x2610/0x2610
> [ 447.948856][ C7] secondary_startup_64_no_verify+0xe0/0xeb
> [ 447.954646][ C7] </TASK>
> [ 447.957549][ C7] Modules linked in: esp6 authenc echainiv xt_policy nft_compat nf_tables veth nfnetlink esp4_offload psample esp4 bridge ip6_gre ip6_tunnel tunnel6 ip_gre gre cls_u32 sch_htb dummy tun nf_conntrack_broadcast fou ip_tunnel ip6_udp_tunnel udp_tunnel rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl_msr intel_rapl_common btrfs x86_pkg_temp_thermal intel_powerclamp blake2b_generic xor coretemp kvm_intel raid6_pq zstd_compress libcrc32c kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel sd_mod ghash_clmulni_intel t10_pi sha512_ssse3 crc64_rocksoft_generic i915 crc64_rocksoft crc64 sg rapl mei_wdt drm_buddy intel_cstate intel_gtt ipmi_devintf ipmi_msghandler wmi_bmof mei_me ahci libahci drm_display_helper i2c_i801 intel_uncore mei i2c_smbus libata intel_pch_thermal drm_kms_helper video syscopyarea sysfillrect sysimgblt ttm intel_pmc_core wmi acpi_pad binfmt_misc fuse drm ip_tables [last unloaded: netdevsim]
> [ 448.047386][ C7] ---[ end trace 0000000000000000 ]---
> [ 448.052730][ C7] RIP: 0010:__lock_acquire+0xc30/0x2390
> [ 448.058173][ C7] Code: 02 05 41 bc 01 00 00 00 0f 86 94 00 00 00 89 05 66 57 02 05 e9 89 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 f5 12 00 00 45 31 e4 49 81 3e e0 6d 0c 86 45 0f
> [ 448.077750][ C7] RSP: 0018:ffffc900004d0b18 EFLAGS: 00010002
> [ 448.083706][ C7] RAX: dffffc0000000000 RBX: 1ffff9200009a190 RCX: 0000000000000000
> [ 448.091581][ C7] RDX: 0d6d6d6d6d6d6d70 RSI: 0000000000000000 RDI: 6b6b6b6b6b6b6b83
> [ 448.099455][ C7] RBP: ffff888100a8b440 R08: 0000000000000001 R09: 0000000000000000
> [ 448.107331][ C7] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
> [ 448.115205][ C7] R13: 0000000000000000 R14: 6b6b6b6b6b6b6b83 R15: 0000000000000000
> [ 448.123101][ C7] FS: 0000000000000000(0000) GS:ffff88862c780000(0000) knlGS:0000000000000000
> [ 448.131939][ C7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 448.138419][ C7] CR2: 000055dbc0fa1794 CR3: 000000075745e001 CR4: 00000000003706e0
> [ 448.146296][ C7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 448.154173][ C7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 448.162055][ C7] Kernel panic - not syncing: Fatal exception in interrupt
> [ 448.169198][ C7] Kernel Offset: disabled
Hi,
I came to the following diff which eliminates the kernel panics,
unfortunately I can explain only second hunk, but first is required
too.
diff --git a/net/core/dst.c b/net/core/dst.c
index 3247e84045ca..750c8edfe29a 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -72,6 +72,8 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops,
dst->flags = flags;
if (!(flags & DST_NOCOUNT))
dst_entries_add(ops, 1);
+
+ INIT_LIST_HEAD(&dst->rt_uncached);
}
EXPORT_SYMBOL(dst_init);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 35085fc0cf15..4f31a880e213 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -154,6 +154,8 @@ void rt6_uncached_list_del(struct rt6_info *rt)
spin_lock_bh(&ul->lock);
list_del_init(&rt->dst.rt_uncached);
spin_unlock_bh(&ul->lock);
+
+ rt->dst.rt_uncached_list = NULL;
}
}
My crashes with enabled KASAN are:
[ 246.087211] ==================================================================
[ 246.087910] BUG: KASAN: wild-memory-access in _raw_spin_lock_bh+0x76/0xe0
[ 246.088488] Write of size 4 at addr 636275735f5f100e by task swapper/10/0
[ 246.089061]
[ 246.089271] CPU: 10 PID: 0 Comm: swapper/10 Not tainted 6.3.0-rc6+ #10
[ 246.089829] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[ 246.090750] Call Trace:
[ 246.091023] <IRQ>
[ 246.091267] dump_stack_lvl+0x33/0x50
[ 246.091628] ? _raw_spin_lock_bh+0x76/0xe0
[ 246.092012] kasan_report+0xae/0xe0
[ 246.092354] ? _raw_spin_lock_bh+0x76/0xe0
[ 246.092739] kasan_check_range+0x140/0x190
[ 246.093124] _raw_spin_lock_bh+0x76/0xe0
[ 246.093495] ? _raw_spin_lock+0xd0/0xd0
[ 246.093863] ? run_posix_cpu_timers+0x2d4/0x340
[ 246.100676] ? clear_posix_cputimers_work+0x50/0x50
[ 246.101118] rt6_uncached_list_del+0x3a/0x90
[ 246.101522] xfrm6_dst_destroy+0x90/0x1e0
[ 246.101906] dst_destroy+0x76/0x1f0
[ 246.102255] rcu_core+0x4a3/0x7c0
[ 246.102593] ? rcu_exp_handler+0xe0/0xe0
[ 246.102972] ? kvm_clock_read+0xd/0x10
[ 246.103341] ? ktime_get+0x45/0xb0
[ 246.103677] ? lapic_next_deadline+0x37/0x60
[ 246.104078] ? clockevents_program_event+0xd3/0x130
[ 246.104519] __do_softirq+0xf1/0x355
[ 246.104876] irq_exit_rcu+0xa3/0xe0
[ 246.105218] sysvec_apic_timer_interrupt+0x6f/0x90
[ 246.105654] </IRQ>
[ 246.105902] <TASK>
[ 246.106147] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 246.106614] RIP: 0010:default_idle+0x13/0x20
[ 246.107018] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 1a 1f e5 01 85 c0 7e 07 0f 00 2d 8f 52 3f 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 40 74 03 00
[ 246.108506] RSP: 0018:ffff88810095fe20 EFLAGS: 00000242
[ 246.108965] RAX: 0000000000000001 RBX: ffff888100950000 RCX: ffffffff8225956f
[ 246.109558] RDX: ffffed1103e2698d RSI: 0000000000000004 RDI: 0000000000096c14
[ 246.110152] RBP: 000000000000000a R08: 0000000000000001 R09: ffff88881f134c63
[ 246.110748] R10: ffffed1103e2698c R11: 00000000fa83b2da R12: ffffffff83894ce0
[ 246.111345] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff1102012bfc7
[ 246.111939] ? ct_kernel_exit.constprop.0+0x7f/0xa0
[ 246.112385] default_idle_call+0x30/0x50
[ 246.112758] do_idle+0x255/0x260
[ 246.113083] ? arch_cpu_idle_exit+0x30/0x30
[ 246.113476] ? finish_task_switch.isra.0+0xbd/0x3e0
[ 246.113921] ? schedule_idle+0x37/0x50
[ 246.114280] cpu_startup_entry+0x19/0x20
[ 246.114658] start_secondary+0x1a5/0x1d0
[ 246.115036] ? set_cpu_sibling_map+0xb60/0xb60
[ 246.115448] secondary_startup_64_no_verify+0xcd/0xdb
[ 246.115901] </TASK>
[ 246.116156] ==================================================================
[ 246.116810] Disabling lock debugging due to kernel taint
[ 246.117286] stack segment: 0000 [#1] SMP KASAN
[ 246.117704] CPU: 10 PID: 0 Comm: swapper/10 Tainted: G B 6.3.0-rc6+ #10
[ 246.118436] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[ 246.119362] RIP: 0010:_raw_spin_lock_bh+0x8e/0xe0
[ 246.119792] Code: be 04 00 00 00 c7 44 24 20 00 00 00 00 e8 7a 35 2b ff be 04 00 00 00 48 8d 7c 24 20 e8 6b 35 2b ff ba 01 00 00 00 8b 44 24 20 <f0> 0f b1 55 00 75 29 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00
[ 246.121261] RSP: 0018:ffff88881f109d78 EFLAGS: 00010297
[ 246.121721] RAX: 0000000000000000 RBX: 1ffff11103e213af RCX: ffffffff82269255
[ 246.122314] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88881f109d98
[ 246.122941] RBP: 636275735f5f100e R08: 0000000000000001 R09: 0000000000000003
[ 246.123541] R10: ffffed1103e213b3 R11: 6e696c6261736944 R12: ffff88810f0a8000
[ 246.124134] R13: 0000000000000000 R14: 636275735f5f100e R15: ffff88810f0a8008
[ 246.124730] FS: 0000000000000000(0000) GS:ffff88881f100000(0000) knlGS:0000000000000000
[ 246.125435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 246.125935] CR2: 0000564fdebef048 CR3: 000000014104a005 CR4: 0000000000370ea0
[ 246.126536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 246.127134] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 246.127734] Call Trace:
[ 246.128025] <IRQ>
[ 246.128265] ? _raw_spin_lock+0xd0/0xd0
[ 246.128637] ? run_posix_cpu_timers+0x2d4/0x340
[ 246.129060] ? clear_posix_cputimers_work+0x50/0x50
[ 246.129504] rt6_uncached_list_del+0x3a/0x90
[ 246.129905] xfrm6_dst_destroy+0x90/0x1e0
[ 246.130282] dst_destroy+0x76/0x1f0
[ 246.130631] rcu_core+0x4a3/0x7c0
[ 246.130962] ? rcu_exp_handler+0xe0/0xe0
[ 246.131333] ? kvm_clock_read+0xd/0x10
[ 246.131696] ? ktime_get+0x45/0xb0
[ 246.132036] ? lapic_next_deadline+0x37/0x60
[ 246.132430] ? clockevents_program_event+0xd3/0x130
[ 246.132878] __do_softirq+0xf1/0x355
[ 246.133237] irq_exit_rcu+0xa3/0xe0
[ 246.133586] sysvec_apic_timer_interrupt+0x6f/0x90
[ 246.134021] </IRQ>
[ 246.134270] <TASK>
[ 246.134521] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 246.134975] RIP: 0010:default_idle+0x13/0x20
[ 246.135377] Code: c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 72 ff ff ff cc cc cc cc 8b 05 1a 1f e5 01 85 c0 7e 07 0f 00 2d 8f 52 3f 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 40 74 03 00
[ 246.136874] RSP: 0018:ffff88810095fe20 EFLAGS: 00000242
[ 246.137334] RAX: 0000000000000001 RBX: ffff888100950000 RCX: ffffffff8225956f
[ 246.137957] RDX: ffffed1103e2698d RSI: 0000000000000004 RDI: 0000000000096c14
[ 246.138558] RBP: 000000000000000a R08: 0000000000000001 R09: ffff88881f134c63
[ 246.139149] R10: ffffed1103e2698c R11: 00000000fa83b2da R12: ffffffff83894ce0
[ 246.139744] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff1102012bfc7
[ 246.140343] ? ct_kernel_exit.constprop.0+0x7f/0xa0
[ 246.140791] default_idle_call+0x30/0x50
[ 246.141170] do_idle+0x255/0x260
[ 246.141495] ? arch_cpu_idle_exit+0x30/0x30
[ 246.141888] ? finish_task_switch.isra.0+0xbd/0x3e0
[ 246.142331] ? schedule_idle+0x37/0x50
[ 246.142712] cpu_startup_entry+0x19/0x20
[ 246.143088] start_secondary+0x1a5/0x1d0
[ 246.143464] ? set_cpu_sibling_map+0xb60/0xb60
[ 246.143875] secondary_startup_64_no_verify+0xcd/0xdb
[ 246.144327] </TASK>
[ 246.144583] Modules linked in: mlx5_vdpa vringh vhost_iotlb vdpa iptable_raw bonding ib_ipoib ib_umad geneve rdma_ucm mlx5_vfio_pci ip6_gre ip6_tunnel tunnel6 mlx5_ib ib_uverbs mlx5_core nf_tables ip_gre gre vfio_pci vfio_pci_core vfio_iommu_type1 vfio ipip tunnel4 openvswitch nsh xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcrdma ib_iser libiscsi scsi_transport_iscsi rdma_cm iw_cm ib_cm ib_core overlay zram zsmalloc fuse [last unloaded: ib_uverbs]
[ 246.148167] ---[ end trace 0000000000000000 ]---
[ 246.148605] RIP: 0010:_raw_spin_lock_bh+0x8e/0xe0
[ 246.149047] Code: be 04 00 00 00 c7 44 24 20 00 00 00 00 e8 7a 35 2b ff be 04 00 00 00 48 8d 7c 24 20 e8 6b 35 2b ff ba 01 00 00 00 8b 44 24 20 <f0> 0f b1 55 00 75 29 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00
[ 246.150568] RSP: 0018:ffff88881f109d78 EFLAGS: 00010297
[ 246.151039] RAX: 0000000000000000 RBX: 1ffff11103e213af RCX: ffffffff82269255
[ 246.151655] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88881f109d98
[ 246.152256] RBP: 636275735f5f100e R08: 0000000000000001 R09: 0000000000000003
[ 246.152857] R10: ffffed1103e213b3 R11: 6e696c6261736944 R12: ffff88810f0a8000
[ 246.153461] R13: 0000000000000000 R14: 636275735f5f100e R15: ffff88810f0a8008
[ 246.154064] FS: 0000000000000000(0000) GS:ffff88881f100000(0000) knlGS:0000000000000000
[ 246.154781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 246.155300] CR2: 0000564fdebef048 CR3: 000000014104a005 CR4: 0000000000370ea0
[ 246.155907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 246.156507] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 246.157111] Kernel panic - not syncing: Fatal exception in interrupt
[ 246.157928] Kernel Offset: disabled
[ 246.158281] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
Thanks
