Message-ID: <20161117091341.GS3157@twins.programming.kicks-ass.net>
Date:   Thu, 17 Nov 2016 10:13:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Vince Weaver <vincent.weaver@...ne.edu>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        "davej@...emonkey.org.uk" <davej@...emonkey.org.uk>,
        "dvyukov@...gle.com" <dvyukov@...gle.com>,
        Stephane Eranian <eranian@...il.com>
Subject: Re: perf: fuzzer KASAN unwind_get_return_address

On Thu, Nov 17, 2016 at 10:04:46AM +0100, Peter Zijlstra wrote:
> On Wed, Nov 16, 2016 at 10:48:28PM -0600, Josh Poimboeuf wrote:
> > Peter or Vince, can you try to recreate with this patch?  It dumps the
> > raw stack contents during a stack dump.  Hopefully that would give a
> > clue about what's going wrong.
> 
> 
> Here goes... I'll do another run and get you the results of that as
> well.

This one is funny, I've not seen that WARNING before. Let me do a third
run.


4WARNING: unrecognized kernel stack return address ffff88072f20bef8 at ffff88072f20bdd0 in swapper/10:0
3==================================================================
3BUG: KASAN: stack-out-of-bounds in unwind_get_return_address+0x1fb/0x220 at addr ffff88072f20bda8
3Read of size 8 by task swapper/10/0
0page:ffffea001cbc82c0 count:1 mapcount:0 mapping:          (null) index:0x0c
0flags: 0x6ffff8000000400(reserved)
1page dumped because: kasan: bad access detected
dCPU: 10 PID: 0 Comm: swapper/10 Not tainted 4.9.0-rc5-00530-gd8866fc-dirty #4
dHardware name: Intel Corporation S2600GZ/S2600GZ, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
dCall Trace:
d <NMI>
d dump_stack+0x67/0x94
d kasan_report_error+0x4a1/0x4d0
d ? unwind_get_return_address+0x1fb/0x220
d ? kasan_report_error+0x5/0x4d0
d __asan_report_load8_noabort+0x43/0x50
d ? unwind_get_return_address+0x130/0x220
d ? unwind_get_return_address+0x1fb/0x220
d unwind_get_return_address+0x1fb/0x220
d perf_callchain_kernel+0x356/0x550
d ? arch_perf_update_userpage+0x350/0x350
d ? ftrace_ops_list_func+0x252/0x370
d ? perf_callchain_kernel+0x5/0x550
d ? perf_callchain+0x128/0x1a0
d get_perf_callchain+0x276/0x670
d ? put_callchain_buffers+0x50/0x50
d ? get_perf_callchain+0x5/0x670
d ? rcu_is_watching+0x30/0x70
d perf_callchain+0x128/0x1a0
d ? setup_pebs_sample_data+0xd48/0x18e0
d perf_prepare_sample+0x70e/0xfb0
d ? __rcu_read_lock+0x5/0x50
d perf_event_output+0x93/0x110
d ? perf_event_output_backward+0x110/0x110
d ? setup_pebs_sample_data+0xd48/0x18e0
d __intel_pmu_pebs_event+0x2b1/0x610
d ? pebs_update_state+0x310/0x310
d ? perf_cgroup_attach+0xb0/0xb0
d ? ctx_resched+0x1a0/0x1a0
d ? rcu_is_watching+0x30/0x70
d ? intel_pmu_disable_bts+0xc0/0xc0
d ? rcu_is_watching+0x30/0x70
d ? ftrace_ops_list_func+0x252/0x370
d ? intel_pmu_drain_pebs_nhm+0x5f6/0xbf0
d ? ftrace_call+0x5/0x34
d ? __intel_pmu_pebs_event+0x5/0x610
d intel_pmu_drain_pebs_nhm+0x5f6/0xbf0
d ? __intel_pmu_pebs_event+0x610/0x610
d ? ftrace_call+0x5/0x34
d ? intel_pmu_drain_pebs_nhm+0x5/0xbf0
d intel_pmu_handle_irq+0x4b2/0xa90
d ? intel_pmu_save_and_restart+0xe0/0xe0
d ? ftrace_ops_list_func+0x252/0x370
d ? perf_event_nmi_handler+0x2d/0x50
d ? ftrace_call+0x5/0x34
d ? ftrace_call+0x5/0x34
d ? ftrace_ops_list_func+0x252/0x370
d ? intel_pmu_handle_irq+0x5/0xa90
d ? perf_event_nmi_handler+0x5/0x50
d perf_event_nmi_handler+0x2d/0x50
d nmi_handle+0x9e/0x250
d ? nmi_handle+0x5/0x250
d default_do_nmi+0x67/0x180
d do_nmi+0x1a2/0x210
d ? ctx_resched+0x1a0/0x1a0
d ? perf_cgroup_attach+0xb0/0xb0
d end_repeat_nmi+0x1a/0x1e
dRIP: 0010:remote_function+0x113/0x180
dRSP: 0018:ffff88072f207f60 EFLAGS: 00000806c
dRAX: 0000000000000000 RBX: ffff880421affd60 RCX: 1ffff1008435ffaf
dRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88072f224f10
dRBP: ffff88072f207f80 R08: 00000000000004c1 R09: ffffed00e5e426ca
dR10: 00000000ffffffff R11: 1ffff100e5e426ec R12: ffffffff814f8270
dR13: ffff880421affd78 R14: ffff880421affcc0 R15: ffffffff814e6a70
d ? perf_cgroup_attach+0xb0/0xb0
d ? ctx_resched+0x1a0/0x1a0
d ? remote_function+0x113/0x180
d ? remote_function+0x113/0x180
d <EOE>
ffff88072f20a000: 0000000000000000 ...
ffff88072f20a5a0: 0000000000000000 0000000000000000 0000000000000000 ffff8807af20a9a6
ffff88072f20a5c0: ffff88072f20a9ae 0000000000000060 1ffff100e5e414c3 00000000ffffffff
ffff88072f20a5e0: 0020000000000000 0000000000000000 00000000fffffffd 0000000000000001
ffff88072f20a600: 0000000000000180 0000000000000010 ffff1060ffffff09 0000000041b58ab3
ffff88072f20a620: ffff8807af20aa0e ffff88072f20aa16 0000000000000060 1ffff100e5e414d0
ffff88072f20a640: 00000000ffffffff 0020000000000000 0000000000000000 00000000fffffffd
ffff88072f20a660: 0000000000000001 0000000000000180 ffffffff8348be10 ffff1060ffffff09
ffff88072f20a680: 0000000041b58ab3 ffffffff83a40503 ffffffff823ab960 ffff88072f20a758
ffff88072f20a6a0: ffff88072f313830 ffffffff823b7c54 ffff88072f20a7b0 ffff88072f20a7b8
ffff88072f20a6c0: ffff88072f20a7b0 ffff88072f20a9a7 0000000000000001 ffffffff8348bec9
ffff88072f20a6e0: ffff88072f20aa16 0000000000000018 dffffc0000000000 ffff88072f20a870
ffff88072f20a700: ffff88072f20a7c0 ffff88072f20a7e8 ffffffff823b7c54 ffff88072f20a818
ffff88072f20a720: ffff88072f20a820 ffff88072f20a818 ffff88072f20aa0f 1ffff100e5e414ec
ffff88072f20a740: ffffed00e5e41504 000000007fffffff ffff8807af20aa0e ffffffff8348beca
ffff88072f20a760: 0000000041b58ab3 ffffffff83a405aa ffffffff823b6ef0 ffff880402cb94a8
ffff88072f20a780: ffff1060ffffff09 ffff88072f20aa00 1ffff100e5e41515 ffff88072f20a890
ffff88072f20a7a0: ffffffff814e6b83 ffffffffffffffff ffff88072f20a868 fffffbfff07121c8
ffff88072f20a7c0: ffffed00e5e414ff 1ffff100e5e41515 ffff88072f20a988 ffffffff814e6b83
ffff88072f20a7e0: ffffffffffffffff ffff88072f20a890 ffffffff823b8d95 0000000041b58ab3
ffff88072f20a800: ffffffff839ff69c ffffffff823b8d00 ffffed00e5e41515 ffff880700000020
ffff88072f20a820: ffff88072f20a8a0 ffff88072f20a858 ffff88072f20a8c8 ffff88072f20aa00
ffff88072f20a840: dffffc0000000000 ffff88072f20a890 ffffffff813c861f ffff88072f20aec8
ffff88072f20a860: 0000000000000000 0000000000000113 0000000000000180 ffffffff838ad5e6
ffff88072f20a880: ffffffff838ad5e6 ffff88072f20aa00 ffff88072f20a9b0 ffffffff813c883f
ffff88072f20a8a0: 000000000000000f 0000000041b58ab3 ffffffff83a0c758 ffffffff813c86d0
ffff88072f20a8c0: ffff88072f20af30 0000000000000000 ffff88072f20a988 ffffffff832ad2e7
ffff88072f20a8e0: ffff88072f20a998 ffffffff832ad2e7 ffff88072f20a9b4 0000000000000000
ffff88072f20a900: ffff88072f20a9c0 0000000000000113 ffff88072f20ab48 ffff880700000020
ffff88072f20a920: 0000000000000000 ffffffff839fbe88 0000000000000042 0000000000000001
ffff88072f20a940: ffff0a00ffffff05 ffff88072f20aa1b ffff88072f20ad50 ffff88072f20aa1c
ffff88072f20a960: 0000000000000000 ffff88072f20a9c0 ffffffff823adbcd 0000000041b58ab3
ffff88072f20a980: ffffffff83a40559 1ffff100e5e4153c ffff0a00ffffff05 1ffff100e5e4153c
ffff88072f20a9a0: ffff88072f20aa00 ffff88072f20ad35 ffff88072f20af30 ffff0a00ffffff05
ffff88072f20a9c0: ffff88072f20ab48 ffffffff823af620 ffff88072f20aa88 ffffffff832ad2e7
ffff88072f20a9e0: 0000000041b58ab3 ffffffff83a40559 ffffffff823af530 0000000000000000
ffff88072f20aa00: 665f65746f6d6572 2b6e6f6974636e75 78302f3331317830 3035780000303831
ffff88072f20aa20: 0000300030657800 ffffffff83a13036 0000000000000053 0000000000000001
ffff88072f20aa40: ffff0a00ffffff05 ffff88072f20ab25 ffff88072f20ae7a ffff88072f20ab26
ffff88072f20aa60: ffff88072f20af30 ffff88072f20ad30 ffffffff823adb30 1ffff100e5e41558
ffff88072f20aa80: 00000000ffffffff 0020f100e5e4155c ffff0a00ffffff00 1ffff10000000010
ffff88072f20aaa0: ffff88072f20ab00 ffff88072f20aa80 ffff88072f20b010 ffff103000001005
ffff88072f20aac0: 0000000041b58ab3 ffffffff83a40503 ffffffff823ab960 ffffffffffffffff
ffff88072f20aae0: 3266323061616330 6666666638383037 ffffffff00000010 0000000000000000
ffff88072f20ab00: ffffffff814e6a70 ffff88072f20af10 ffff103000001009 0000000041b58ab3
ffff88072f20ab20: ffff88072f20af30 ffff88072f20ad75 ffff88072f20ad30 1ffff100e5e41570
ffff88072f20ab40: ffffffffffffffff 002088072f20ac08 ffffffff823b6600 ffffffff00000010
ffff88072f20ab60: ffff88072f20ad00 ffffffff00000010 ffff88072f20ad10 ffff103000001009
ffff88072f20ab80: 0000000041b58ab3 ffffffff83a40503 ffffffff823ab960 ffffffff839f498b
ffff88072f20aba0: 3833396634393862 6666666666666666 ffff88072f20ac87 ffff88072f20ac08
ffff88072f20abc0: ffffffff823ad785 ffff88072f20acc8 0000000000000001 ffff88072f20ad85
ffff88072f20abe0: ffff88072f20ac08 ffffffff816213e5 ffff88072f20ad85 ffffffff839f498f
ffff88072f20ac00: dffffc0000000000 ffff88072f20ace8 ffffffff823b72eb ffff88072f20b028
ffff88072f20ac20: ffff88072f20b030 ffffffff839f4990 ffff88072f20ad30 1ffff100e5e4158c
ffff88072f20ac40: ffffed00e5e41606 0000000000000200 ffff88072f20af30 0000000000000001
ffff88072f20ac60: 0000000041b58ab3 ffffffff83a405aa ffffffff823b6ef0 ffff88072f20acc8
ffff88072f20ac80: ffff103000001000 1ffff100e5e41595 ffffffff83c88b40 ffff88072f20af10
ffff88072f20aca0: ffffffff81338af4 0000000041b58ab3 ffff88072f20acd0 ffffffff811c0a51
ffff88072f20acc0: ffff88072f20ad86 dffffc0000000000 ffff88072f20ad00 ffffffff811c0afc
ffff88072f20ace0: ffff88072f20ad30 00000000ffffffff 1ffff100e5e415a2 ffffffff83c88b40
ffff88072f20ad00: ffff88072f20af78 ffffffff81338af4 0000000041b58ab3 ffffffff83a03c41
ffff88072f20ad20: ffffffff81338a00 ffff0a00ffffff00 3730383866666666 3030646130326632
ffff88072f20ad40: 666666666666203a 6138333331386666 3066666666203030 6666666666303061
ffff88072f20ad60: 3636303320363636 3032363636363636 3636362030333033 3336363636363636
ffff88072f20ad80: 1f000a3633363336 ffffffff83c88b40 ffff88072f20b008 ffffffff81338af4
ffff88072f20ada0: 0000000041b58ab3 ffffffff83a03c41 ffffffff81338a00 0000000041b58ab3
ffff88072f20adc0: 6177647261486401 3a656d616e206572 43206c65746e4920 ffff880402cb9498
ffff88072f20ade0: ffff88072f20ae30 ffffffff81448fa2 534f4942202c5a47 ffff880402cb94a8
ffff88072f20ae00: ffffffff8133c807 00000000ffffffff 0000000000000000 ffff88072f20bef8
ffff88072f20ae20: ffffffff8342d740 ffff88072f20afc0 ffff88072f20aee8 ffffffff832ad2e7
ffff88072f20ae40: ffff880402cb9498 ffff88072f20ae98 ffffffff81448fa2 ffff880402cb9498
ffff88072f20ae60: ffff880402cb94a8 ffffffff8133c807 00000000ffffffff 0000000000000018
ffff88072f20ae80: ffff88072f20bef8 ffffffff839f4970 ffff88072f20b028 ffff88072f20af50
ffff88072f20aea0: ffffffff832ad2e7 ffffffff81448fa2 ffffffff8342d740 ffff880402cb94a8
ffff88072f20aec0: ffff880402cb9498 ffff88072f20aff8 ffffffff81448fa2 ffff88072c4c8000
ffff88072f20aee0: ffff880402cb94a8 ffff88072f20b028 ffffffff839f4970 ffff88072f20b068
ffff88072f20af00: 0000000000000000 0000000000000000 ffff88072f20b028 ffffffff839f4970
ffff88072f20af20: ffffffff832ad2e7 ffffffff81338a05 ffffffff81448fa2 ffff880402cb94a8
ffff88072f20af40: ffff880402cb94a8 ffff88072f20b0a8 00000000ffffffff 0000000000000018
ffff88072f20af60: ffff88072f20bef8 ffffffff839f4970 ffff88072f20b028 ffff88072f20aff8
ffff88072f20af80: ffffffff8133c807 0000000000000000 00000000ffffffff 0000000000000000
ffff88072f20afa0: ffff88072f20af80 ffffffff8133c7c5 ffff88072f20bef8 0000000000000000
ffff88072f20afc0: 0000000000000000 000000002f20b080 1ffff100e5e41601 0000000000000018
ffff88072f20afe0: ffff88072f20bef8 ffff88072c4c8000 ffff88072f20c000 ffff88072f20b0a8
ffff88072f20b000: ffffffff8151fea9 0000000041b58ab3 ffffffff839ff69c ffffffff8151fdf3
ffff88072f20b020: ffffffff839ff69c ffffffff00000030 ffff88072f20b0b8 ffff88072f20b068
ffff88072f20b040: ffff88072f20b020 ffffffff839f4970 ffff88072f20bff8 ffffffff8151fdf8
ffff88072f20b060: ffffffff813b9d58 ffff88072f20b090 ffff88072f20b040 ffff88072f20b020
ffff88072f20b080: ffff88072f20b090 ffff88072f20b040 ffff88072f20b020 ffff88072f20b060
ffff88072f20b0a0: 0000000000000009 ffff88072f20b178 ffffffff811504e6 ffffffff814e6b83
ffff88072f20b0c0: ffffffff839fbd23 000000002f20b188 0000000000000020 ffffffff839fbd5b
ffff88072f20b0e0: ffffffff839fbd1f 0000000000000005 ffff88072f20a000 ffff88072f20c000
ffff88072f20b100: ffff88072f207f60 0000000000000002 ffff88072f200000 ffff88072f208000
ffff88072f20b120: ffff88072c4d7d78 0000000000000024 ffff88072c4c8000 0000000000000000
ffff88072f20b140: ffff88072f207f80 0000000000000000 0000000000000086 0000000000000000
ffff88072f20b160: ffff88072f20b420 ffffed00e5e41685 dffffc0000000000 ffff88072f20b188
ffff88072f20b180: ffffffff811505c4 ffff88072f20b1a8 ffffffff8238dfb3 ffff88072f20b238
ffff88072f20b1a0: ffff88072f20bda8 ffff88072f20b228 ffffffff816221c1 ffffffff811c72cb
ffff88072f20b1c0: 1ffff100e5e41669 ffff88072f20b238 0000000000000086 ffffffff81621d25
ffff88072f20b1e0: dffffc0000000000 1ffff100e5e4166a 1ffff100e5e417b5 1ffff100e5e41669
ffff88072f20b200: ffff88072f20b310 ffff88072f20bda8 ffff88072f20b420 ffffed00e5e41685
ffff88072f20b220: dffffc0000000000 ffff88072f20b260 ffffffff81622323 ffff88072f20bda8
ffff88072f20b240: ffff88072f20bda8 0000000000000008 ffffffff811c7200 ffffffff811c72cb
ffff88072f20b260: ffff88072f20b2a0 ffffffff811c72cb ffff88072f20b338 ffff88072f20b288
ffff88072f20b280: ffff88072f20b310 ffff88072f20b390 ffff88072f20b420 ffffed00e5e41685
ffff88072f20b2a0: ffff88072f20b3b8 ffffffff8100f356 000000000001bdc0 ffff88072f20b460
ffff88072f20b2c0: ffff88070b9fcec0 ffff88072f20b42c 1ffff100e5e4165e ffff88072f20b432
ffff88072f20b2e0: 0000000000000004 ffff88072f20b428 0000000041b58ab3 ffffffff839f613c
ffff88072f20b300: ffffffff8100f000 ffff88072f20b488 0000000000000005 ffff88072f20a000
ffff88072f20b320: ffff88072f20c000 ffff88072f207f60 0000000000000020 ffff88072c4c8000
ffff88072f20b340: 0000000000000000 ffff88072f20bda0 0000000000000000 ffff88072f20b420
ffff88072f20b360: ffffffff81448fa2 ffffffff8100f005 ffff880402cb94a8 ffffffff81514438
ffff88072f20b380: ffff880405b11980 0000000000000040 000000000001bdc0 ffff88072f20b460
ffff88072f20b3a0: ffff88070b9fcec0 1ffff100e5e41680 ffff88070b9fcec0 ffff88072f20b488
ffff88072f20b3c0: ffffffff81513f16 ffff88072f20b574 ffff880405b11980 ffff880700000000
ffff88072f20b3e0: ffff88072f20b6e0 ffff880700000000 ffff880700000001 000000000000000c
ffff88072f20b400: 0000000041b58ab3 ffffffff83a0a369 ffffffff81513ca0 0000000000000001
ffff88072f20b420: ffff88070b9fcec0 000000020000007f ffff88072f000001 ffffffff81513ca5
ffff88072f20b440: 1ffff100e5e416ef ffff88072f20b588 ffffffff8135d050 00000000000000ff
ffff88072f20b460: ffff880405b11980 0000000000000040 ffff88072f20b6e0 ffff88072f224f08
ffff88072f20b480: 0000000000000000 ffff88072f20b4d0 ffffffff81514438 ffffffff00000001
ffff88072f20b4a0: ffffffff81027da8 ffff88072f20b574 ffff880405b11980 ffff88072f20b570
ffff88072f20b4c0: ffff880405b11980 ffff88072f20b7c0 ffff88072f20b540 ffffffff8150ac7e
ffff88072f20b4e0: ffff880405b11980 0000000100000000 ffffffff81359595 ffff880402cb9498
ffff88072f20b500: 00000000000000ff ffff88072f20b576 ffff88072f20b6e0 1ffff100e5e416aa
ffff88072f20b520: ffff880405b11980 ffff88072f20b7c0 ffff88072f20b6e0 dffffc0000000000
ffff88072f20b540: ffff88072f20b630 ffffffff8150b7d3 0000000041b58ab3 ffffffff83a0d7b0
ffff88072f20b560: ffffffff8150b740 ffff880405b11980 0048000100000009 00000000000000a8
ffff88072f20b580: ffff88072f20b6e0 ffff88072f20b6e0 ffff88072c610210 ffff88072f20b7c0
ffff88072f20b5a0: ffff880405b11980 00000000000000ff ffff88072f20b630 ffffffff81027da8
ffff88072f20b5c0: ffff88072c610210 ffff88072f20bef8 ffff880405b11980 ffff88072f20b770
ffff88072f20b5e0: ffffffff84156db0 ffff88072f20b7d0 ffff88072f213440 ffff880405b11a68
ffff88072f20b600: ffff880700000000 ffff88072c610210 ffff88072c610210 ffff88072f20b7c0
ffff88072f20b620: 0000000000000001 ffff880405b11980 ffff88072f20b9b0 ffffffff81028f01
ffff88072f20b640: 0000000000000000 ...
ffff88072f20b660: 0000000000000000 1ffff100e5e416d8 1ffffffff082adb6 0000000000000007
ffff88072f20b680: fffffbfff082adb7 0000000000000000 ffff88072f20b7c0 ffff88072f20bef8
ffff88072f20b6a0: ffff880405b11980 0000000000000005 ffff88072c610580 ffff88072f20b6e0
ffff88072f20b6c0: 0000000041b58ab3 ffffffff839f20b0 ffffffff81028c50 0000000000000000
ffff88072f20b6e0: ffffffff814e6a70 ffff880421affcc0 ffff880421affd78 ffffffff814f8270
ffff88072f20b700: ffff88072f20bd50 ffff880421affd60 1ffff100e5e426ec 00000000ffffffff
ffff88072f20b720: ffffed00e5e426ca 00000000000004c1 0000000000000000 1ffff1008435ffaf
ffff88072f20b740: 0000000000000000 0000000000000000 ffff88072f224f10 ffffffffffffffff
ffff88072f20b760: ffffffff8135d050 0000000000000010 0000000000000803 ffff88072f20bd48
ffff88072f20b780: 0000000000000018 ffffffff839f2108 ffffffff8102b200 0000000000000000
ffff88072f20b7a0: 0000000000000000 ...
ffff88072f20b7c0: 0000000000000000 0000000000000000 0000000000000000 0000000000000100
ffff88072f20b7e0: 0000000000000000 0000000000000000 0000000005080021 00000000000000ff
ffff88072f20b800: ffffffff8135d050 0000000000000000 0000004c8c598365 0000000000013955
ffff88072f20b820: 0000000000000000 000000000000000a ffff88070b9fcec0 0000000000000000
ffff88072f20b840: 0000000000000000 ...
ffff88072f20b860: 0000000000000000 0000000000000000 0000000000000000 ffff880402cb9498
ffff88072f20b880: ffff88072f20b8d0 ffffffff81448fa2 0000000000000000 ffff880402cb94a8
ffff88072f20b8a0: ffffffff81029856 0000000000000000 dffffc0000000000 ffff88072f20bb08
ffff88072f20b8c0: ffff880405b11980 ffff88072f213440 ffff88072f20b988 ffffffff832ad2e7
ffff88072f20b8e0: 0000000000000000 ...
ffff88072f20b900: ffff88072f20bb30 0000000000000000 0000000000000000 0000000000000000
ffff88072f20b920: 0000000000000008 0000000000000000 fffffbfff082adbc ffff88072c610580
ffff88072f20b940: ffff88072c610000 ffff88072f20bef8 ffff880405b11980 0000000000000000
ffff88072f20b960: ffffffff81028c55 0000000000000000 0000000000000000 0000000000000000
ffff88072f20b980: 0000000000000000 0000000000000000 dffffc0000000000 ffff88072f20bb08
ffff88072f20b9a0: ffff880405b11980 ffff88072f213440 ffff88072f20bb30 ffffffff81029856
ffff88072f20b9c0: 0000000000000000 0000000000000000 ffff88072f213d78 ffff88072f20bef8
ffff88072f20b9e0: 1ffff100e5e41745 ffff88072c610000 ffff88072f20ba88 ffff880402cb9407
ffff88072f20ba00: ffffed00e5e427af ffff88072c610580 fffffbfff082adbc ffff88072f20bac8
ffff88072f20ba20: ffff88072f20ba88 0000000041b58ab3 ffffffff839f20d0 ffffffff81029260
ffff88072f20ba40: 0000004c8bbedff6 0000000000000001 ffff88072f20bb08 ffffffff832ad2e7
ffff88072f20ba60: 0000000000000000 ffff88072f20bb30 0000000000000000 0000000000000000
ffff88072f20ba80: ffff88072f20bdf8 0000000000000008 0000000000000000 0000000000000000
ffff88072f20baa0: dffffc0000000000 ffff88072f213440 1ffffffff082adb9 0000000000000390
ffff88072f20bac0: 0000000040000000 0000000000000000 0000000000000000 ffff88072f213d90
ffff88072f20bae0: ffffffff81029265 0000000000029fff ffff88072f20bb00 fffffffffffffff8
ffff88072f20bb00: 000000000000000f 0000000000000001 0000004c8bbee2c1 ffffffff83c16120
ffff88072f20bb20: 0000004c8bbedff6 ffff88072f213440 ffff88072f20bdf8 ffffffff8101e752
ffff88072f20bb40: ffff88072f213d78 1ffff100e5e41770 ffffed00e5e427af 0000006400000000
ffff88072f20bb60: 0000000000000000 ffff88072f20bef8 0000000000000000 0000000000000000
ffff88072f20bb80: 0000000041b58ab3 ffffffff839f1dd0 ffffffff8101e2a0 0000000000000000
ffff88072f20bba0: 0000000000000000 ...
ffff88072f20bcc0: ffff880402cb9498 ffff88072f20bd18 ffffffff81448fa2 0000000000000000
ffff88072f20bce0: ffff880402cb94a8 ffffffff8100a25d ffff88072f20bef8 0000004c8bbee2c1
ffff88072f20bd00: ffffffff83c16120 0000004c8bbedff6 ffffffff83c16130 ffff88072f20bdd0
ffff88072f20bd20: ffffffff832ad2e7 0000004c8bbedff6 ffffffff83c16130 ffff88072f20bdf0
ffff88072f20bd40: ffffffff832ad2e7 ffff88072f20be18 ffff88072f20bda0 ffffffff81448fa2
ffff88072f20bd60: 0000000000000000 ffffed00e5e426ca 00000000000004c1 0000004c8bbee2c1
ffff88072f20bd80: 000000000000001f 0000000000000000 000000002dd2f949 ffff88072f20bef8
ffff88072f20bda0: 000000000000001f ffffffff8101e2a5 ffff88072f20bef8 0000000000000000
ffff88072f20bdc0: ffff88072f20bf90 ffffffff8100a235 ffff88072f20bef8 0000004c8bbee2c1
ffff88072f20bde0: ffffffff83c16120 0000004c8bbedff6 ffffffff83c16130 ffff88072f20be18
ffff88072f20be00: ffffffff8100a25d dffffc0000000000 0000000000000000 ffff88072f20be80
ffff88072f20be20: ffffffff81150f5e 0000000000000000 ffffffff81150ec5 ffff88072f20bef8
ffff88072f20be40: 0000000000000000 ffffffff83c64ce8 0000000000000000 ffff88072f20bef8
ffff88072f20be60: 0000000000000000 0000000000000007 ffff88072c4c877c ffff88072f20bf90
ffff88072f20be80: ffff88072f20bea8 ffffffff81151a97 ffff88072f20bee8 ffff88072f20bef8
ffff88072f20bea0: ffff88072c4c8000 ffff88072f20bee8 ffffffff81151d52 0000000000000000
ffff88072f20bec0: 0000000000000001 ffffffff814f8270 ffff880421affd78 ffff880421affcc0
ffff88072f20bee0: ffffffff814e6a70 ffff88072f20bef9 ffffffff832ad08e ffffffff814e6a70
ffff88072f20bf00: ffff880421affcc0 ffff880421affd78 ffffffff814f8270 ffff88072f207f80
ffff88072f20bf20: ffff880421affd60 1ffff100e5e426ec 00000000ffffffff ffffed00e5e426ca
ffff88072f20bf40: 00000000000004c1 0000000000000000 1ffff1008435ffaf 0000000000000000
ffff88072f20bf60: 0000000000000000 ffff88072f224f10 ffffffffffffffff ffffffff814e6b83
ffff88072f20bf80: 0000000000000010 0000000000000806 ffff88072f207f60 0000000000000018
ffff88072f20bfa0: ffffffff814e6b83 0000000000000010 0000000000000806 ffff88072f207f60
ffff88072f20bfc0: 0000000000000018 0000000000000001 0000000000000000 ffffffff814e6b83
ffff88072f20bfe0: 0000000000000010 0000000000000806 ffff88072f207f60 0000000000000018
d <IRQ>
d flush_smp_call_function_queue+0x111/0x310
d generic_smp_call_function_single_interrupt+0x13/0x30
d smp_call_function_single_interrupt+0x64/0x90
d call_function_single_interrupt+0x90/0xa0
dRIP: 0010:cpuidle_enter_state+0x121/0x7a0
dRSP: 0018:ffff88072c4d7e28 EFLAGS: 00000246c ORIG_RAX: ffffffffffffff04
dRAX: 0000000000000000 RBX: ffff88072f22b720 RCX: 000000000000001f
dRDX: 1ffff100e5e442f9 RSI: 000000002dd2f949 RDI: ffff88072f2217c8
dRBP: ffff88072c4d7e88 R08: 0000000000000007 R09: ffffffff83f3f320
dR10: 071c71c71c71c71c R11: ffff88072f21dd04 R12: 0000004c8bbe92c9
dR13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000060
d <EOI>
ffff88072f200000: 0000000000000000 ...
ffff88072f207560: 0000000000000000 ffff880413a83468 ffff880413a83300 0000000000000000
ffff88072f207580: ffff88072f2075e0 ffffffff814ffc80 0000000000000000 ffff88072f2075e0
ffff88072f2075a0: ffffffff8101b2ee ffff88072f213440 0000000000000000 ffff88072f224ff4
ffff88072f2075c0: ffff88072f2075e0 ffffffff8101d12c ffffffff83c167c0 ffff88072f213440
ffff88072f2075e0: ffff88072f2075f0 ffffffff8101d2a0 ffff88072f207688 ffffffff8100de4e
ffff88072f207600: ffffed00e5e40eda ffff88072f213654 ffff880413a83300 ffff880413a83300
ffff88072f207620: ffffffff83c167c0 000000490bb75162 ffff88072f224f08 ffff88072f213658
ffff88072f207640: ffff88072f2076a0 ffff88072f213650 ffffffff00000000 ffff88072f213440
ffff88072f207660: ffffffff83c167c0 ffffffff83c167c0 ffff88072f224ff4 ffff880413a83310
ffff88072f207680: dffffc0000000000 ffff88072f2076a0 ffffffff814eaff9 ffff88072f224f00
ffff88072f2076a0: ffff88072f2076f8 ffffffff814f55aa 000000012f224f08 ffff88072f224f08
ffff88072f2076c0: ffff880413a83300 ffff88072f224ff0 ffff880413a83300 ffff88072f224f08
ffff88072f2076e0: 0000000000000000 ffff880413a83388 ffff88072f224f08 ffff88072f207740
ffff88072f207700: ffffffff814f5fc2 00000000e0a8761e 0000000000000000 ffff88072f224f08
ffff88072f207720: ffff88072f224f08 0000000000000000 ffff880413a83300 ffff880402cb9498
ffff88072f207740: ffff88072f207790 ffffffff81448fa2 ffff880421affd20 ffff880402cb94a8
ffff88072f207760: ffffffff812f57f4 ffff88072a547d10 000000000000000a ffff88072a547d00
ffff88072f207780: 0000000000000000 ffff88072f207d78 ffff88072f207848 ffff880402cb9498
ffff88072f2077a0: ffff88072f2077f0 ffffffff81448fa2 ffffffff814d88ec ffff880402cb94a8
ffff88072f2077c0: ffffffff812f6675 ffff88072f2079b8 ffff88072f207cd8 dffffc0000000000
ffff88072f2077e0: 0000000000000000 ffffed00e5e40f3c ffff88072f2078a8 ffffffff832ad2e7
ffff88072f207800: 1ffff100e54a8fac 000000000000000a 0000000000000004 0000000000000000
ffff88072f207820: ffff88072f207a60 ffff88072f207839 ffffffff832ac633 ffffed00e5e40f3c
ffff88072f207840: 0000000000000007 000000000000001e 0000000000000010 0000000000000007
ffff88072f207860: fffffbfff082b618 ffff880729fcbf98 ffff88072f215ca0 000000000000001e
ffff88072f207880: ffff88072f207890 ffffffff823d7aa5 ffff88072f2078d0 ffffffff8238dbde
ffff88072f2078a0: 0000000000000050 ffff88072f2079b8 ffff88072f207cd8 dffffc0000000000
ffff88072f2078c0: 0000000000000000 ffffed00e5e40f3c ffff88072f207a60 ffffffff812f6390
ffff88072f2078e0: ffffffff812da912 ffff88072c494200 ffff880402cb9498 ffff88072f207948
ffff88072f207900: ffffffff81448fa2 1ffff100e5e40f33 0000000002cb94a8 ffff88072f207d04
ffff88072f207920: ffff88072f2079e0 ffff88072f207ae8 ffff88072f207ae0 ffff88072f207cec
ffff88072f207940: ffffed00e5e40f9b ffff880729fcbf90 ffff880402cb9498 ffff88072f2079a8
ffff88072f207960: ffffffff81448fa2 ffff88072c471a00 ffff880402cb94a8 ffffffff8101a831
ffff88072f207980: 0000000000000000 ffff880405b11b10 0000000000000002 ffff88072c489f00
ffff88072f2079a0: dffffc0000000000 ffff88072f207a60 ffffffff832ad2e7 ffff88072f207a08
ffff88072f2079c0: ffffffff81448fa2 0000000000000040 ffff880402cb94a8 ffff880402cb9498
ffff88072f2079e0: ffff88072f207a30 ffffffff81448fa2 ffff88072f213968 ffff880402cb94a8
ffff88072f207a00: ffffffff8101c939 ffff880402cb9498 ffff88072f207a60 ffffffff81448fa2
ffff88072f207a20: ffff88072f207c80 ffff880402cb94a8 ffffffff810191fa 0000000000000000
ffff88072f207a40: ffff88072c49f980 ffff88072f213970 ffff88072f213440 0000000000000002
ffff88072f207a60: ffff88072f207b18 ffffffff832ad2e7 ffff88072f213440 0000000000000002
ffff88072f207a80: ffff88072f207b38 ffffffff832ad2e7 ffff88072f207b60 0000000200000005
ffff88072f207aa0: 0000000000000004 ffff88072f213b60 ffff88072f207a98 ffffffff81019250
ffff88072f207ac0: 0000000000000000 0000000000000000 0000000000000004 0000000000000001
ffff88072f207ae0: ffff88072c49f980 0000000000000000 ffffffff832ab465 0000000000000001
ffff88072f207b00: ffff88072f213440 0000000000000000 ffffffff810190d5 ffff88072f207b28
ffff88072f207b20: ffffffff832ab465 ffff88072f207b60 ffffffff810191fa 0000000000000000
ffff88072f207b40: ffff88072f207b60 ffffffff810191fa dffffc0000000000 ffff88072f207c88
ffff88072f207b60: ffff88072f207c48 ffffffff8100cac2 ffffffff832ad2e7 ffff88072f224f08
ffff88072f207b80: 1ffffffff082adc1 0000000000029fff 1ffff100e5e40f78 ffff88072f213b60
ffff88072f207ba0: ffff880400000002 ffff880700000000 ffff88072f207c80 ffff88072f213440
ffff88072f207bc0: 0000000041b58ab3 ffffffff839f6109 ffffffff8100c720 ffff88072f207c80
ffff88072f207be0: 0000000200000000 ffff88072f213440 0000000181448fa2 ffffffff8100c725
ffff88072f207c00: ffffffff839f60e8 ffffffff81009c50 0000000000000008 ffff880402cb9498
ffff88072f207c20: ffff88072f207c70 ffffffff81448fa2 ffff88072f213440 ffff880402cb94a8
ffff88072f207c40: ffffffff814ffc80 ffff880405b11980 0000000000000000 ffff880402cb9498
ffff88072f207c60: ffff88072f207cb0 ffffffff81448fa2 ffff88072f207d28 ffff880402cb94a8
ffff88072f207c80: ffffffff814ffc80 ffff880405b11980 0000000000000000 ffff880405b11b40
ffff88072f207ca0: ffff880405b11980 0000000000000001 ffff88072f207d68 ffffffff832ad2e7
ffff88072f207cc0: ffff880402cb9498 ffff88072f207d18 ffffffff81448fa2 ffffffff832ad2e7
ffff88072f207ce0: ffff880402cb94a8 ffffffff8101d12c ffff88072f213440 0000000000000000
ffff88072f207d00: dffffc0000000000 0000000000000000 0000000000000002 ffff88072f207dd0
ffff88072f207d20: ffffffff832ad2e7 0000000000000000 0000000000000002 ffff88072f207df0
ffff88072f207d40: ffffffff832ad2e7 ffff88072f207e18 ffffffff832ad2e7 ffffffff814ffc80
ffff88072f207d60: ffffffff8102bd25 ffffed00e5e426ca 00000000000004c1 0000000000000001
ffff88072f207d80: 00000000000003f1 0000000000000000 0000000000000000 0000000000000000
ffff88072f207da0: 0000000000000186 ffffffff8102e295 0000000000000000 0000000000000002
ffff88072f207dc0: 0000000000000400 ffffffff8101d105 ffff880402cb9498 ffff88072f207e28
ffff88072f207de0: ffffffff81448fa2 0000000000000000 ffff880402cb94a8 ffffffff814f840a
ffff88072f207e00: 0000000000000000 ffff880405b11980 ffff88072f224f10 0000000000000000
ffff88072f207e20: ffff88072f224f08 ffff88072f207ee0 ffffffff832ad2e7 0000000000000000
ffff88072f207e40: dffffc0000000000 0000000000000000 1ffffffff0782d03 ffff88072f207f50
ffff88072f207e60: ffffffff83c167c0 ffff88072f213654 ffff88072f213658 ffffed00e5e426ca
ffff88072f207e80: 00000000000004c1 0000000000000000 000000000000038f 1ffff100e5e426c8
ffff88072f207ea0: 0000000000000000 ffff88072f224f10 ffffffff83c167c0 ffffffff832ab465
ffff88072f207ec0: ffff88072f207ed8 ffffffff814eaff9 ffff88072f224f00 ffff88072f207f08
ffff88072f207ee0: ffff88072f207ef0 ffffffff832ab465 ffff88072f207f50 ffffffff814f840a
ffff88072f207f00: 0000000000000000 ffff88072f207f50 ffffffff814f840a ffff88072f224fe8
ffff88072f207f20: ffff88072f224f98 ffff880421affd60 ffffffff814f8270 ffff880421affd78
ffff88072f207f40: ffff880421affcc0 ffffffff814e6a70 ffff88072f207f80 ffffffff814e6b6e
ffff88072f207f60: 0000000000000001 ffff880421affca8 dffffc0000000000 0000000000000000
ffff88072f207f80: ffff88072f207fc0 ffffffff813b0dc1 ffff88072f207fa8 ffffffff83a77980
ffff88072f207fa0: 0000004c8bbe92c9 0000000000000001 0000000000000001 0000000000000060
ffff88072f207fc0: ffff88072f207fd0 ffffffff813b2693 ffff88072f207fe8 ffffffff8119e8f4
ffff88072f207fe0: ffff88072f22b720 ffff88072c4d7d79 ffffffff832adc10 ffff88072c4d7d78
d ? cpuidle_enter_state+0x11c/0x7a0
d ? cpuidle_enter_state+0x5/0x7a0
d ? cpuidle_enter+0x5/0x20
d cpuidle_enter+0x17/0x20
d call_cpuidle+0x47/0xc0
d ? call_cpuidle+0x5/0xc0
d cpu_startup_entry+0x1a6/0x2d0
d start_secondary+0x245/0x2d0
d start_cpu+0x5/0x14
ffff88072c4d0000: 0000000057ac6e9d 0000000000000000 0000000000000000 0000000000000000
ffff88072c4d0020: 0000000000000000 ...
ffff88072c4d7620: 0000000000000010 0000000000000000 ffff88072c4d7930 ffffffff81510c31
ffff88072c4d7640: 0000000000000000 ...
ffff88072c4d7660: 0000000000000010 0000000000000000 ffff88072c4d7970 ffffffff81510c31
ffff88072c4d7680: 0000000000000000 ffff88041fb1d8a8 0000000000000000 ffff88041fb1d800
ffff88072c4d76a0: 1ffff100e589aed8 ffffffe400000000 ffff88041e47cc80 ffff88072c4d79a0
ffff88072c4d76c0: 0000000041b58ab3 ffffffff83a0d8d8 ffffffff81510890 ffff88041fb1d800
ffff88072c4d76e0: 1ffff100e589aee0 ffffffe400000000 ffff88041e47cc80 ffff88072c4d79e0
ffff88072c4d7700: 0000000041b58ab3 ffffffff83a0d8d8 ffffffff81510890 0000000000000000
ffff88072c4d7720: 0000000000000000 ...
ffff88072c4d7800: 0000000041b58ab3 ffffffff83a0d6b0 ffffffff814e3a20 0000000000000000
ffff88072c4d7820: 0000000000000000 ...
ffff88072c4d7860: ffffffff8150cec6 0000000000000003 ffff88072f21bb20 1ffff100e589af38
ffff88072c4d7880: 0000000000000001 ffff880403093830 ffff88072c4d7948 ffffffff832ad2e7
ffff88072c4d78a0: ffff88072c4d78c8 ffffffff816213e5 ffff88072c4d79a0 ffff88072c4d7ce8
ffff88072c4d78c0: ffff88072c4d7bf8 ffff88072c4d7930 ffffffff8150f4b3 ffff880727eb3000
ffff88072c4d78e0: 0000000000000040 0000000000000000 dffffc0000000000 ffff880403093300
ffff88072c4d7900: 1ffff10080612706 0000000000000001 ffff88072c4c8380 ffff88072c4d79a0
ffff88072c4d7920: ffffffff81359c15 ffff88041e47ce88 ffff88072c4d7c08 ffffffff814e3bf8
ffff88072c4d7940: ffff88072c4d7970 ffff88072c4d7958 ffffffff81359c15 ffff88072c4d7bf8
ffff88072c4d7960: 0000000000000003 ffff88072f21bb20 ffffffff814f2df9 ffff88072c4c8000
ffff88072c4d7980: ffffffff814e3a20 ffff88072c4d7b40 dffffc0000000000 ffff880402cbcc90
ffff88072c4d79a0: ffff88072c4d7a58 ffffffff832ad2e7 ffffffff814f2df9 ffff88072c4c8000
ffff88072c4d79c0: ffffffff814e3a20 ffff88072c4d7b90 ffff88072c4d7ad0 ffff880402cbce88
ffff88072c4d79e0: ffff88072c4d7a98 ffffffff832ad2e7 ffff88072c4c8898 dffffc0000000000
ffff88072c4d7a00: dffffc0000000000 000000000000000a 1ffff100e5899112 ffff88072c4d7b40
ffff88072c4d7a20: 0000000000000000 0000000000000000 ffffffff81359c15 0000000000000000
ffff88072c4d7a40: dffffc0000000000 ffff880403093300 1ffff100e5899112 ffff88072c4d7a68
ffff88072c4d7a60: ffffffff81359c15 ffff88072c4d7ad0 ffff88072c4c8000 ffffffff814e3a20
ffff88072c4d7a80: ffff88072c4d7ad0 ffffffff814f2df9 ffff88072f220e5c ffffffff812a5c3b
ffff88072c4d7aa0: ffff88072c4c8000 ffff88072f220d80 ffff880421f61e80 0000000000000000
ffff88072c4d7ac0: ffff88072c4c847c ffff88072c4d7b80 ffffffff832ad2e7 ffffffff814fe10a
ffff88072c4d7ae0: ffff88072f21bb08 ffffffff8329e69c ffff88072f220d80 ffff88072c4d7bf8
ffff88072c4d7b00: ffff880421f61e80 ffff8804192d2400 ffff88072c4c8418 ffff88072c4c8898
ffff88072c4d7b20: dffffc0000000000 0000000000000003 ffff880402cb9498 ffff88072c4d7b88
ffff88072c4d7b40: ffffffff81448fa2 ffff88072f220d80 ffff880402cb94a8 ffffffff812faffe
ffff88072c4d7b60: 0000000100006f11 ffff88072a547d00 ffff88072f220d80 dffffc0000000000
ffff88072c4d7b80: 0000000000000004 ffff88072c4d7c40 ffffffff832ad2e7 ffffffff832ab608
ffff88072c4d7ba0: ffff88072c4c8000 ffff88072c4d7bf8 ffff880402cb9498 ffff88072c4d7c08
ffff88072c4d7bc0: ffffffff81448fa2 ffff880402cb9498 ffff88072c4d7c20 ffffffff81448fa2
ffff88072c4d7be0: ffff88083fffa140 ffff880402cb94a8 ffffffff815834a0 00000000000249af
ffff88072c4d7c00: ffff88072c4d7e50 ffff88072c4d7e50 0000000000000000 ffff88083fffc998
ffff88072c4d7c20: ffff88072c4d7cd8 ffffffff832ad2e7 ffff880402cb9498 ffff88072c4d7c88
ffff88072c4d7c40: ffffffff81448fa2 ffff880402cb9498 ffff880402cb94a8 ffffffff82d315e9
ffff88072c4d7c60: 0000000000188347 ffff88072f21dcc8 ffff88072f21dcc4 0000000000000000
ffff88072c4d7c80: 0000000000000001 ffff88072c4d7d40 ffffffff832ad2e7 ffff880402cb9498
ffff88072c4d7ca0: ffff88072c4d7cf0 ffff880402cb9498 ffff88072c4d7d00 ffff88072c4d7ea0
ffff88072c4d7cc0: ffffffff813a55db ffff880402cb94a8 ffffffff832ab076 ffffffff83f3f320
ffff88072c4d7ce0: ffff880402cb9498 ffff88072c4d7d38 ffffffff81448fa2 0000000000000000
ffff88072c4d7d00: ffff880402cb94a8 ffffffff82d2d9ae ffff88072f22b720 ffffffff83f3f320
ffff88072c4d7d20: 0000000000000001 0000000000000001 0000000000000060 ffff88072c4d7df0
ffff88072c4d7d40: ffffffff832ad2e7 ffffffff812b9035 ffff880402cb9498 ffff88072c4d7da8
ffff88072c4d7d60: ffffffff81448fa2 ffff88072c4d7e88 ffff880402cb94a8 0000000000000060
ffff88072c4d7d80: 0000000000000001 0000000000000001 0000004c8bbe92c9 ffff88072c4d7e88
ffff88072c4d7da0: ffff88072f22b720 ffff88072f21dd04 071c71c71c71c71c ffffffff83f3f320
ffff88072c4d7dc0: 0000000000000007 0000000000000000 000000000000001f 1ffff100e5e442f9
ffff88072c4d7de0: 000000002dd2f949 ffff88072f2217c8 ffffffffffffff04 ffffffff82d2d9d1
ffff88072c4d7e00: 0000000000000010 0000000000000246 ffff88072c4d7e28 0000000000000018
ffff88072c4d7e20: ffffffff82d2d9cc ffff88072f22b720 ffff88072f22b720 ffffffff82d2d8b5
ffff88072c4d7e40: 0000000000000007 ffffffff82d2e0d5 0000004c8ba3686a 0000004c8bbe92c9
ffff88072c4d7e60: ffff88072c4c8000 ffffffff83f3f320 000000000000000a ffff88072f22b720
ffff88072c4d7e80: ffffffff83f3f320 ffff88072c4d7e98 ffffffff82d2e0e7 ffff88072c4d7ec8
ffff88072c4d7ea0: ffffffff81312417 ffffffff813123d5 ffff88072c4d7f18 ffffed00e5899000
ffff88072c4d7ec0: ffff88072c4c8000 ffff88072c4d7f18 ffffffff81312756 ffffed00e5899000
ffff88072c4d7ee0: ffff88072c4c8000 ffff88072c4c8000 000000000000000a ffff88072f213100
ffff88072c4d7f00: 00000000002ab0ae 0000000000000000 0000000000000000 ffff88072c4d7f48
ffff88072c4d7f20: ffffffff811a0e95 0000000000000000 0000000000000000 0000000000000000
ffff88072c4d7f40: 0000000000000000 0000000000000000 ffffffff810001a5 0000000000000000
ffff88072c4d7f60: 0000000000000000 ...
3Memory state around the buggy address:
3 ffff88072f20bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 ffff88072f20bd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3>ffff88072f20bd80: f3 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00
3                                  ^
3 ffff88072f20be00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3 ffff88072f20be80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3==================================================================

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