pkg/report: skip retpolines in reports

These __x86_indirect_thunk_rax broke reports for bad indirect calls.
google · Mar 7, 2019 · 2eb2cd9 · 2eb2cd9
1 parent 8c085c5
commit 2eb2cd9
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Showing 6 changed files with 313 additions and 1 deletion.
diff --git a/pkg/report/linux.go b/pkg/report/linux.go
@@ -474,7 +474,7 @@ func (ctx *linux) getMaintainersImpl(file string, blame bool) ([]string, error)
 	if blame {
 		args = append(args, "--git-blame")
 	}
-	args = append(args, file)
+	args = append(args, "-f", file)
 	output, err := osutil.RunCmd(time.Minute, ctx.kernelSrc, filepath.FromSlash("scripts/get_maintainer.pl"), args...)
 	if err != nil {
 		return nil, err
@@ -741,6 +741,7 @@ var linuxStackParams = &stackParams{
 		"list_replace",
 		"list_move",
 		"list_splice",
+		"_indirect_thunk_", // retpolines
 	},
 	corruptedLines: []*regexp.Regexp{
 		// Fault injection stacks are frequently intermixed with crash reports.

diff --git a/pkg/report/testdata/linux/report/358 b/pkg/report/testdata/linux/report/358
@@ -0,0 +1,63 @@
+TITLE: general protection fault in run_timer_softirq
+
+[  155.297335] kasan: CONFIG_KASAN_INLINE enabled
+[  155.302006] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[  155.309477] general protection fault: 0000 [#1] SMP KASAN PTI
+[  155.315360] Dumping ftrace buffer:
+[  155.318902]    (ftrace buffer empty)
+[  155.322610] Modules linked in:
+[  155.325807] CPU: 0 PID: 1995 Comm: syz-executor0 Not tainted 4.14.58+ #4
+[  155.332640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  155.341996] task: ffff8801d93eb1c0 task.stack: ffff8801a9130000
+[  155.348063] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20
+[  155.353507] RSP: 0018:ffff8801dba07588 EFLAGS: 00010006
+[  155.357075] kobject: 'loop2' (ffff8801d51b4ba8): kobject_uevent_env
+[  155.357118] kobject: 'loop2' (ffff8801d51b4ba8): fill_kobj_path: path = '/devices/virtual/block/loop2'
+[  155.374705] RAX: dead4ead00000000 RBX: ffff8801dba07798 RCX: 0000000000000000
+[  155.382046] RDX: 0000000000000100 RSI: ffffffff83efce00 RDI: 00000000ffffffff
+[  155.389334] RBP: ffff8801dba077c0 R08: ffff8801d93ebae0 R09: ffffffff84cf2d70
+[  155.396677] R10: 5287b05a848dd2a0 R11: ffff8801d93eb1c0 R12: 1ffff1003b740eb7
+[  155.403948] R13: 0000000000000102 R14: ffffe8ffffc00698 R15: ffff8801dba07758
+[  155.411231] FS:  0000000000000000(0000) GS:ffff8801dba00000(0063) knlGS:0000000009af7900
+[  155.419482] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
+[  155.421051] kobject: 'loop6' (ffff8801d530d508): kobject_uevent_env
+[  155.421092] kobject: 'loop6' (ffff8801d530d508): fill_kobj_path: path = '/devices/virtual/block/loop6'
+[  155.441186] CR2: 00007f690778b518 CR3: 00000001a9138004 CR4: 00000000001606b0
+[  155.448458] DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
+[  155.455823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
+[  155.463091] Call Trace:
+[  155.465665]  <IRQ>
+[  155.505535]  run_timer_softirq+0x53d/0xe70
+[  155.580512]  __do_softirq+0x305/0xba7
+[  155.631559]  irq_exit+0x1ac/0x1d0
+[  155.634999]  smp_apic_timer_interrupt+0x29a/0x870
+[  155.673251]  apic_timer_interrupt+0x8e/0xa0
+[  155.677556]  </IRQ>
+[  155.679789] RIP: 0010:copy_page_range+0xb82/0x20f0
+[  155.684702] RSP: 0018:ffff8801a9136be8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
+[  155.692390] RAX: 1ffff100352d59c3 RBX: 0000000000000000 RCX: 80000001bc820007
+[  155.699639] RDX: 0000000000000000 RSI: 00000000f71c2000 RDI: ffff8801d75ed740
+[  155.706888] RBP: ffff8801a91370d8 R08: ffffea0006f20800 R09: 0000000000005458
+[  155.714143] R10: 030475d58c7bc5dd R11: ffff8801d93eb1c0 R12: ffff8801a9137070
+[  155.721480] R13: dffffc0000000000 R14: ffff8801a91370b0 R15: ffffea0006f20800
+[  155.820312]  copy_mm+0xedc/0x1700
+[  155.849419]  copy_process.part.42+0x1d42/0x4ed0
+[  155.997079]  _do_fork+0x200/0x1120
+[  156.046204]  SyS_clone+0x3c/0x50
+[  156.053860]  do_fast_syscall_32+0x3c1/0xcb0
+[  156.082164]  entry_SYSENTER_compat+0x84/0x96
+[  156.086559] RIP: 0023:0xf7f29c99
+[  156.089907] RSP: 002b:000000000845fe60 EFLAGS: 00000282 ORIG_RAX: 0000000000000078
+[  156.097601] RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000
+[  156.104859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000009af7968
+[  156.112111] RBP: 000000000845feb8 R08: 0000000000000000 R09: 0000000000000000
+[  156.119365] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
+[  156.126614] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[  156.133870] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 
+[  156.152999] RIP: __x86_indirect_thunk_rax+0x10/0x20 RSP: ffff8801dba07588
+[  156.159908] ---[ end trace b789612e6cf4cd28 ]---
+[  156.164641] Kernel panic - not syncing: Fatal exception in interrupt
+[  156.171617] Dumping ftrace buffer:
+[  156.175141]    (ftrace buffer empty)
+[  156.179547] Kernel Offset: disabled
+[  156.183165] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/359 b/pkg/report/testdata/linux/report/359
@@ -0,0 +1,53 @@
+TITLE: general protection fault in run_timer_softirq
+
+[  159.840224] kasan: CONFIG_KASAN_INLINE enabled
+[  159.844860] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[  159.852222] general protection fault: 0000 [#1] SMP KASAN PTI
+[  159.858101] Dumping ftrace buffer:
+[  159.861632]    (ftrace buffer empty)
+[  159.865335] Modules linked in:
+[  159.868509] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.58+ #5
+[  159.874977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  159.884338] task: ffff8801da246340 task.stack: ffff8801da250000
+[  159.890404] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20
+[  159.896095] RSP: 0018:ffff8801db907588 EFLAGS: 00010006
+[  159.902235] RAX: dead4ead00000000 RBX: ffff8801db907798 RCX: 0000000000000000
+[  159.909509] RDX: 0000000000000100 RSI: ffffffff83efce00 RDI: 00000000ffffffff
+[  159.916759] RBP: ffff8801db9077c0 R08: 0000000000000008 R09: 00000000000006ac
+[  159.924277] R10: 8de94dadc5057952 R11: ffff8801da246340 R12: 1ffff1003b720eb7
+[  159.931525] R13: 0000000000000101 R14: ffffe8ffffc00bd8 R15: ffff8801db907758
+[  159.938802] FS:  0000000000000000(0000) GS:ffff8801db900000(0000) knlGS:0000000000000000
+[  159.947029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  159.952900] CR2: 00000000f5f4510c CR3: 0000000003e22001 CR4: 00000000001606a0
+[  159.960971] DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  159.968222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
+[  159.975472] Call Trace:
+[  159.978039]  <IRQ>
+[  160.022603]  run_timer_softirq+0x53d/0xe70
+[  160.084997]  __do_softirq+0x305/0xba7
+[  160.141596]  irq_exit+0x1ac/0x1d0
+[  160.145032]  smp_apic_timer_interrupt+0x29a/0x870
+[  160.183704]  apic_timer_interrupt+0x8e/0xa0
+[  160.188001]  </IRQ>
+[  160.190222] RIP: 0010:native_safe_halt+0x6/0x10
+[  160.194863] RSP: 0018:ffff8801da257c38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
+[  160.202544] RAX: 0000000000000007 RBX: 1ffff1003b44af8a RCX: 0000000000000000
+[  160.210224] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801da246b94
+[  160.218164] RBP: ffff8801da257c38 R08: 0000000000000000 R09: 0000000000000000
+[  160.225409] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b44af96
+[  160.232768] R13: ffff8801da257d70 R14: ffffffff8430c908 R15: 0000000000000000
+[  160.244173]  default_idle+0x118/0x610
+[  160.260483]  arch_cpu_idle+0x15/0x20
+[  160.264177]  default_idle_call+0x4a/0x60
+[  160.268215]  do_idle+0x240/0x2d0
+[  160.271558]  cpu_startup_entry+0x109/0x120
+[  160.279476]  start_secondary+0x3dd/0x4f0
+[  160.288253]  secondary_startup_64+0xa5/0xb0
+[  160.292547] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 
+[  160.312598] RIP: __x86_indirect_thunk_rax+0x10/0x20 RSP: ffff8801db907588
+[  160.319501] ---[ end trace c81ff5cb5a158d30 ]---
+[  160.324231] Kernel panic - not syncing: Fatal exception in interrupt
+[  160.330764] Dumping ftrace buffer:
+[  160.334286]    (ftrace buffer empty)
+[  160.338569] Kernel Offset: disabled
+[  160.342194] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/360 b/pkg/report/testdata/linux/report/360
@@ -0,0 +1,56 @@
+TITLE: general protection fault in locks_remove_file
+
+[   51.907753] kasan: CONFIG_KASAN_INLINE enabled
+[   51.913122] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[   51.920573] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[   51.926803] CPU: 1 PID: 5670 Comm: syz-executor439 Not tainted 4.20.0-rc1-next-20181107+ #107
+[   51.935630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   51.944987] RIP: 0010:__x86_indirect_thunk_rbx+0x10/0x20
+[   51.950426] Code: 90 0f ae e8 eb f9 48 89 04 24 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 1c 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
+[   51.969311] RSP: 0018:ffff8801d89af2b0 EFLAGS: 00010293
+[   51.974657] RAX: ffff8801d49723c0 RBX: 894cdffffc000000 RCX: ffffffff81ed555d
+[   51.981912] RDX: 0000000000000000 RSI: ffffffff81ed5c9e RDI: ffff8801d89af338
+[   51.989163] RBP: ffff8801d89af4a0 R08: ffff8801d49723c0 R09: ffffed003b5e5b67
+[   51.996423] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d798da00
+[   52.003684] R13: ffff8801d89af338 R14: 1ffff1003b135e5b R15: dffffc0000000000
+[   52.010937] FS:  0000000001292880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
+[   52.019142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   52.025108] CR2: 0000000020e2aff8 CR3: 000000000946a000 CR4: 00000000001406e0
+[   52.032381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   52.039643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   52.047009] Call Trace:
+[   52.095282]  locks_remove_file+0x148/0x5c0
+[   52.125426]  __fput+0x2f0/0xa70
+[   52.150364]  ____fput+0x15/0x20
+[   52.153639]  task_work_run+0x1e8/0x2a0
+[   52.172015]  do_exit+0x1ad1/0x26d0
+[   52.338992]  do_group_exit+0x177/0x440
+[   52.356309]  __x64_sys_exit_group+0x3e/0x50
+[   52.360613]  do_syscall_64+0x1b9/0x820
+[   52.397610]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   52.402783] RIP: 0033:0x43ec48
+[   52.405975] Code: Bad RIP value.
+[   52.409321] RSP: 002b:00007fff104a8308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
+[   52.417010] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ec48
+[   52.424344] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
+[   52.431710] RBP: 00000000004be508 R08: 00000000000000e7 R09: ffffffffffffffd0
+[   52.438977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
+[   52.446237] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000
+[   52.453585] Modules linked in:
+[   52.457384] ---[ end trace db9bef1a2174e463 ]---
+[   52.462348] RIP: 0010:__x86_indirect_thunk_rbx+0x10/0x20
+[   52.467786] Code: 90 0f ae e8 eb f9 48 89 04 24 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 1c 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
+[   52.486966] RSP: 0018:ffff8801d89af2b0 EFLAGS: 00010293
+[   52.492409] RAX: ffff8801d49723c0 RBX: 894cdffffc000000 RCX: ffffffff81ed555d
+[   52.499674] RDX: 0000000000000000 RSI: ffffffff81ed5c9e RDI: ffff8801d89af338
+[   52.506997] RBP: ffff8801d89af4a0 R08: ffff8801d49723c0 R09: ffffed003b5e5b67
+[   52.514416] R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d798da00
+[   52.521806] R13: ffff8801d89af338 R14: 1ffff1003b135e5b R15: dffffc0000000000
+[   52.529078] FS:  0000000001292880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
+[   52.537347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   52.543267] CR2: 000000000043ec1e CR3: 000000000946a000 CR4: 00000000001406e0
+[   52.550560] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   52.557825] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   52.565138] Kernel panic - not syncing: Fatal exception
+[   52.571795] Kernel Offset: disabled
+[   52.575422] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/361 b/pkg/report/testdata/linux/report/361
@@ -0,0 +1,75 @@
+TITLE: general protection fault in ipv6_rcv
+
+[  639.214515] kasan: CONFIG_KASAN_INLINE enabled
+[  639.219296] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[  639.226717] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[  639.232950] CPU: 0 PID: 3769 Comm: syz-executor.0 Not tainted 5.0.0+ #109
+[  639.239852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  639.249220] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20
+[  639.254681] Code: c4 ff 48 8d 0c ca e9 bd 42 c4 ff bb f2 ff ff ff 45 30 ff e9 63 47 c4 ff 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
+[  639.273577] RSP: 0018:ffff8880ae807b70 EFLAGS: 00010246
+[  639.278946] RAX: 31699217e0650000 RBX: ffff88808a0b00b6 RCX: ffffffff8607edbe
+[  639.286195] RDX: 1ffff1101141601b RSI: ffffffff8607edc8 RDI: ffff8880879cc580
+[  639.293450] RBP: ffff8880ae807ba8 R08: ffff888063942440 R09: 0000000000000003
+[  639.300742] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff8880879cc580
+[  639.307991] R13: 0000000000000000 R14: ffff8880879cc5d8 R15: 0000000000000000
+[  639.315269] FS:  00007f8b34dd9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
+[  639.323483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  639.329345] CR2: 0000001b33a25000 CR3: 0000000008871000 CR4: 00000000001406f0
+[  639.336597] Call Trace:
+[  639.339165]  <IRQ>
+[  639.345438]  ipv6_rcv+0x10e/0x420
+[  639.383411]  __netif_receive_skb_one_core+0x115/0x1a0
+[  639.408343]  __netif_receive_skb+0x2c/0x1c0
+[  639.412700]  process_backlog+0x206/0x750
+[  639.425443]  net_rx_action+0x4fa/0x1070
+[  639.443389]  __do_softirq+0x266/0x95a
+[  639.458235]  irq_exit+0x180/0x1d0
+[  639.461738]  smp_apic_timer_interrupt+0x14a/0x570
+[  639.466581]  apic_timer_interrupt+0xf/0x20
+[  639.470824]  </IRQ>
+[  639.473046] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50
+[  639.478433] Code: 08 41 bc f4 ff ff ff e8 21 9d ea ff 48 c7 05 62 76 e6 08 00 00 00 00 e9 c8 e9 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 48 37 92
+[  639.497337] RSP: 0018:ffff88806b6476f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
+[  639.505046] RAX: 0000000000000000 RBX: 00007f8b36d31000 RCX: ffffffff8199f565
+[  639.512293] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
+[  639.519563] RBP: ffff88806b647868 R08: ffff888063942440 R09: fffff9400042e0d7
+[  639.526828] R10: fffff9400042e0d6 R11: ffffea00021706b3 R12: ffffea00021706c0
+[  639.534102] R13: ffffea00021706c0 R14: ffffea00021706c8 R15: dffffc0000000000
+[  639.574136]  unmap_single_vma+0x19d/0x300
+[  639.578275]  unmap_vmas+0x115/0x250
+[  639.595615]  exit_mmap+0x2c2/0x530
+[  639.626913]  mmput+0x15f/0x4c0
+[  639.630118]  do_exit+0x838/0x2fd0
+[  639.659126]  do_group_exit+0x135/0x370
+[  639.663033]  get_signal+0x399/0x1d50
+[  639.666771]  do_signal+0x87/0x1940
+[  639.678308] kobject: 'loop2' (00000000d31c8e68): kobject_uevent_env
+[  639.687367] kobject: 'loop2' (00000000d31c8e68): fill_kobj_path: path = '/devices/virtual/block/loop2'
+[  639.720950]  exit_to_usermode_loop+0x244/0x2c0
+[  639.725532]  do_syscall_64+0x52d/0x610
+[  639.729421]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  639.734597] RIP: 0033:0x457f29
+[  639.737791] Code: Bad RIP value.
+[  639.741144] RSP: 002b:00007f8b34dd8cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
+[  639.748844] RAX: 0000000000000001 RBX: 000000000073bf08 RCX: 0000000000457f29
+[  639.756100] RDX: 00000000004cc740 RSI: 0000000000000081 RDI: 000000000073bf0c
+[  639.763357] RBP: 000000000073bf00 R08: 0000000000000009 R09: 0000000000000000
+[  639.770611] R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000073bf0c
+[  639.777863] R13: 00007ffe2096bcff R14: 00007f8b34dd99c0 R15: 000000000073bf0c
+[  639.785117] Modules linked in:
+[  639.788352] ---[ end trace 441ef57e90cace2d ]---
+[  639.793119] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20
+[  639.798585] Code: c4 ff 48 8d 0c ca e9 bd 42 c4 ff bb f2 ff ff ff 45 30 ff e9 63 47 c4 ff 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
+[  639.817531] RSP: 0018:ffff8880ae807b70 EFLAGS: 00010246
+[  639.822880] RAX: 31699217e0650000 RBX: ffff88808a0b00b6 RCX: ffffffff8607edbe
+[  639.830172] RDX: 1ffff1101141601b RSI: ffffffff8607edc8 RDI: ffff8880879cc580
+[  639.837450] RBP: ffff8880ae807ba8 R08: ffff888063942440 R09: 0000000000000003
+[  639.844744] R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: ffff8880879cc580
+[  639.852052] R13: 0000000000000000 R14: ffff8880879cc5d8 R15: 0000000000000000
+[  639.859353] FS:  00007f8b34dd9700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
+[  639.867604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  639.873476] CR2: 0000000000457eff CR3: 0000000008871000 CR4: 00000000001406f0
+[  639.880757] Kernel panic - not syncing: Fatal exception in interrupt
+[  639.887953] Kernel Offset: disabled
+[  639.891577] Rebooting in 86400 seconds..