BUG: unable to handle kernel paging request at 0000000000005740
PGD 1d94ca067 P4D 1d94ca067 PUD 1ad332067 PMD 0 
Oops: 0000 [#1] SMP KASAN
CPU: 1 PID: 3351 Comm: syz-executor7 Not tainted 4.17.0+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2132 [inline]
RIP: 0010:vmx_vcpu_run+0xa20/0x25c0 arch/x86/kvm/vmx.c:9879
Code: 91 00 00 00 e8 41 c8 5a 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 1e 19 00 00 48 8b 04 24 <48> 8b 98 40 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 40 48 
RSP: 0018:ffff8801cfc67410 EFLAGS: 00010046
==================================================================
BUG: KASAN: stack-out-of-bounds in __show_regs.cold.7+0x4e/0x54a arch/x86/kernel/process_64.c:79
Read of size 8 at addr ffff8801cfc67390 by task syz-executor7/3351

CPU: 1 PID: 3351 Comm: syz-executor7 Not tainted 4.17.0+ #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1b9/0x294 lib/dump_stack.c:113
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 __show_regs.cold.7+0x4e/0x54a arch/x86/kernel/process_64.c:79
 show_regs+0x21/0x40 arch/x86/kernel/dumpstack.c:413
 __die+0x65/0xb4 arch/x86/kernel/dumpstack.c:379
 no_context+0x3ab/0x960 arch/x86/mm/fault.c:815
 __bad_area_nosemaphore+0x33b/0x3f0 arch/x86/mm/fault.c:909
 bad_area_nosemaphore+0x33/0x40 arch/x86/mm/fault.c:916
 __do_page_fault+0x1d3/0xe40 arch/x86/mm/fault.c:1335
 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1478
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160
RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2132 [inline]
RIP: 0010:vmx_vcpu_run+0xa20/0x25c0 arch/x86/kvm/vmx.c:9879
Code: 91 00 00 00 e8 41 c8 5a 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 1e 19 00 00 48 8b 04 24 <48> 8b 98 40 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 40 48 
RSP: 0018:ffff8801cfc67410 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000010000000 RCX: ffffffff811f7542
RDX: 1ffff10038435b1d RSI: ffffffff811f754f RDI: 0000000000000005
RBP: 00000000000022bd R08: ffff8801d702a180 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
WARNING: kernel stack regs at 00000000f3b0471f in syz-executor7:3351 has bad 'bp' value 000000007fdee6cb
unwind stack type:0 next_sp:          (null) mask:0x2 graph_idx:0
000000006d9b3f9c: ffff8801cfc66d98 (0xffff8801cfc66d98)
000000008c8b3515: ffffffff8129ef2c (show_trace_log_lvl+0x1dd/0x25c)
00000000249d96d9: ffffffff811f7570 (vmx_vcpu_run+0xa20/0x25c0)
000000009633bd9b: ffff8801cfc673e8 (0xffff8801cfc673e8)
0000000077128888: 0000000000000002 (0x2)
00000000cfd4c2ca: 0000000000000001 (0x1)
0000000062ea0f95: ffff8801cfc60000 (0xffff8801cfc60000)
00000000d83c0eec: ffff8801cfc68000 (0xffff8801cfc68000)
000000001102d28f: 0000000000000000 ...
00000000e4dc2f5c: ffff8801cfc60000 (0xffff8801cfc60000)
0000000027dfb263: ffff8801cfc68000 (0xffff8801cfc68000)
00000000df49b106: 0000000000000000 ...
0000000010bc9a95: 0000000000000002 (0x2)
000000003492c1fe: ffff8801d702a180 (0xffff8801d702a180)
00000000a8a30ce2: 0000010100000000 (0x10100000000)
0000000080dd5566: 0000000000000000 ...
00000000a2dd26e3: ffff8801cfc66cd0 (0xffff8801cfc66cd0)
00000000415bc968: ffffffff811f7570 (vmx_vcpu_run+0xa20/0x25c0)
0000000036626a16: ffff8801cfc67368 (0xffff8801cfc67368)
0000000041d643c1: 0000000000000093 (0x93)
000000003462f282: 0000000000000000 ...
00000000cab5c85f: ffffffff88f1a860 (pv_cpu_ops+0x120/0x120)
00000000883a93a7: 00000000ffffffff (0xffffffff)
00000000ed25afdb: ffff8801cfc66da8 (0xffff8801cfc66da8)
0000000098ac221d: ffffffff8129efe3 (show_stack+0x38/0x3a)
00000000c5dc2392: ffff8801cfc66e58 (0xffff8801cfc66e58)
000000003044f1e2: ffffffff877d5385 (dump_stack+0x1b9/0x294)
00000000507f72d0: fffffbfff11e350c (0xfffffbfff11e350c)
0000000098b9cc97: dffffc0000000000 (0xdffffc0000000000)
00000000c938e226: 1ffff10039f8cdba (0x1ffff10039f8cdba)
000000004d4ccfcd: 0000000041b58ab3 (0x41b58ab3)
000000003e509a95: ffffffff88bd5e94 (regoff.33999+0x367754/0x37a000)
0000000084bb95f6: ffffffff877d51cc (dump_stack_print_info.cold.2+0x52/0x52)
00000000ef73398b: ffffffff8161dfc2 (printk+0x9e/0xba)
000000009e451d0d: 0000000041b58ab3 (0x41b58ab3)
0000000031b9d7bf: ffffffff88bebc4c (K512_4+0x130c/0x1204e4)
00000000e5a30717: ffffffff8161df24 (kmsg_dump_rewind_nolock+0xe4/0xe4)
000000006709395b: ffffffff890279e0 (kmem_cache_boot+0x320/0x320)
000000001e4f75d7: ffffffff00000008 (0xffffffff00000008)
0000000083115ff3: ffff8801cfc66ea0 (0xffff8801cfc66ea0)
00000000b925965a: ffff8801cfc66e50 (0xffff8801cfc66e50)
00000000139ec330: ffffffff81b757d4 (kasan_check_write+0x14/0x20)
000000002b38e83f: ffffea00073f19c0 (0xffffea00073f19c0)
000000008bd32657: 0000000000000000 ...
00000000654963aa: ffff8801cfc67390 (0xffff8801cfc67390)
0000000089bb9bb0: 0000000000000008 (0x8)
00000000996a6411: ffff8801cfc67390 (0xffff8801cfc67390)
000000007a071308: ffff8801cfc66e90 (0xffff8801cfc66e90)
000000006186a960: ffffffff81b76ac1 (print_address_description+0x6c/0x20b)
000000006848b51d: ffff8801cfc67390 (0xffff8801cfc67390)
00000000fe70dc54: 0000000000000000 ...
00000000bcdde427: ffffffff8128c7a4 (__show_regs.cold.7+0x4e/0x54a)
000000001cbc14d4: 0000000000000008 (0x8)
000000001a7355da: ffff8801cfc67390 (0xffff8801cfc67390)
00000000f17f7be2: ffff8801cfc66ed0 (0xffff8801cfc66ed0)
0000000075305c31: ffffffff81b76ea2 (kasan_report.cold.7+0x242/0x2fe)
00000000e957c269: 0000000000000086 (0x86)
00000000f53271ac: ffff8801cfc67368 (0xffff8801cfc67368)
0000000055a32043: 0000000000000001 (0x1)
000000007f302dcf: ffffffff811f7542 (vmx_vcpu_run+0x9f2/0x25c0)
00000000552ea1b9: 0000000000000000 ...
00000000b7ff5491: ffff8801cfc67368 (0xffff8801cfc67368)
00000000600a61b1: ffff8801cfc66ee0 (0xffff8801cfc66ee0)
00000000b6dbb1a4: ffffffff81b767a4 (__asan_report_load8_noabort+0x14/0x20)
00000000e3065aeb: ffff8801cfc66f48 (0xffff8801cfc66f48)
00000000f327078d: ffffffff8128c7a4 (__show_regs.cold.7+0x4e/0x54a)
00000000bda99753: ffff8801cfc66f30 (0xffff8801cfc66f30)
0000000038f7084c: ffffffff877d51bd (dump_stack_print_info.cold.2+0x43/0x52)
00000000eb0d3563: 0000000041b58ab3 (0x41b58ab3)
00000000c0772ac6: ffffffff88be2bd4 (regoff.33999+0x374494/0x37a000)
0000000043815047: ffffffff87e7a780 (__func__.46858+0x680/0x940)
00000000b6aa6490: 0000000000000000 ...
000000008f76611b: ffff8801cfc67368 (0xffff8801cfc67368)
00000000e958d0cc: ffffffff87e7a780 (__func__.46858+0x680/0x940)
0000000078aefbcb: 0000000000000000 ...
00000000b42c4b96: ffff8801cfc67368 (0xffff8801cfc67368)
00000000d3837bb9: ffff8801cfc66f60 (0xffff8801cfc66f60)
00000000efaeb2f9: ffffffff8129eb81 (show_regs+0x21/0x40)
00000000dd5da1e7: ffff8801cfc67368 (0xffff8801cfc67368)
00000000987fb582: ffff8801cfc66fa0 (0xffff8801cfc66fa0)
00000000be8ee39f: ffffffff8129f0a1 (__die+0x65/0xb4)
000000001b665a28: ffffffff88c06c68 (K512_4+0x1c328/0x1204e4)
000000004279233f: ffffffff88be2c55 (regoff.33999+0x374515/0x37a000)
00000000733ccd35: ffffffff88c06c68 (K512_4+0x1c328/0x1204e4)
000000009880f7be: 1ffff10039f8cdfd (0x1ffff10039f8cdfd)
00000000e9554bca: 0000000057ac6e9d (0x57ac6e9d)
00000000148d0ce4: ffff8801d702a180 (0xffff8801d702a180)
000000006c265213: ffff8801cfc67070 (0xffff8801cfc67070)
000000006b543b9c: ffffffff8135522b (no_context+0x3ab/0x960)
0000000051fbe9e3: ffff8801cfc66fe8 (0xffff8801cfc66fe8)
00000000112d06ea: ffffffff81071a19 (kvm_mmu_notifier_release+0x59/0x90)
000000005a3451bc: 0000000000000086 (0x86)
00000000b37e2025: ffff880100000001 (0xffff880100000001)
000000007020000d: dffffc000000000b (0xdffffc000000000b)
00000000b73b859c: 0000000000005740 (0x5740)
0000000035a43910: 0000000000000000 ...
00000000d36cf015: 0000000041b58ab3 (0x41b58ab3)
00000000f60ac2d0: ffffffff88be0be1 (regoff.33999+0x3724a1/0x37a000)
000000009f0957d2: ffffffff81354e80 (pgtable_bad+0x130/0x130)
00000000345fd133: ffffffff8abb9c18 (obj_hash+0x90b18/0x100020)
00000000b3efefa3: ffff8801cfc67018 (0xffff8801cfc67018)
00000000e930c192: 1ffff10039f8ce07 (0x1ffff10039f8ce07)
000000007499cf53: 00000000cfc67050 (0xcfc67050)
0000000089a667f8: ffff8801cfc67098 (0xffff8801cfc67098)
00000000d0801cd9: ffff8801c21adda0 (0xffff8801c21adda0)
000000005034b043: ffff8801c21ad840 (0xffff8801c21ad840)
000000001bf77428: 0000000041b58ab3 (0x41b58ab3)
00000000597b484c: ffffffff88bd5b10 (regoff.33999+0x3673d0/0x37a000)
000000003367ea78: 0000000000000000 ...
000000006f46bbf2: ffff8801d702a180 (0xffff8801d702a180)
00000000aa87912d: 0000000000005740 (0x5740)
000000008429c285: ffff8801cfc67368 (0xffff8801cfc67368)
00000000b57bf58a: 0000000000000000 ...
0000000023efa365: ffff8801cfc670d8 (0xffff8801cfc670d8)
00000000724f7cb9: ffffffff81355b1b (__bad_area_nosemaphore+0x33b/0x3f0)
00000000a8790433: ffffffff835a787f (debug_check_no_obj_freed+0x2ff/0x584)
00000000294d0f82: ffffffff00000001 (0xffffffff00000001)
000000009e3face7: 0000000041b58ab3 (0x41b58ab3)
00000000244b80b2: ffff880182f8e2d0 (0xffff880182f8e2d0)
00000000d624e699: 0000000000000000 ...
000000003c3d93f7: 00000001daf236a0 (0x1daf236a0)
000000003b04311c: ffff8801cfc67368 (0xffff8801cfc67368)
00000000b498d87f: 0000000000000000 ...
0000000058635d37: 0000000000005740 (0x5740)
00000000263f4010: 0000000000000000 ...
000000009a9c5470: ffff8801cfc67108 (0xffff8801cfc67108)
0000000092fbe210: ffffffff81355c03 (bad_area_nosemaphore+0x33/0x40)
00000000d2e3d483: 0000000000005740 (0x5740)
00000000b2a419ad: ffff8801cfc67368 (0xffff8801cfc67368)
0000000058f23ce5: 0000000000000000 ...
000000007f065b63: 0000000000000001 (0x1)
0000000066d51946: ffff8801cfc671f0 (0xffff8801cfc671f0)
000000009e766156: ffffffff813566b3 (__do_page_fault+0x1d3/0xe40)
00000000308639ec: ffff8801d702a180 (0xffff8801d702a180)
00000000eaa2a684: ffffffff88f91e20 (rcu_callback_map+0x40/0x40)
000000007774b041: ffffffff81bc10b1 (__khugepaged_exit+0x421/0x680)
000000002ae249db: ffff8801cfc67280 (0xffff8801cfc67280)
00000000e054789e: ffff880100000001 (0xffff880100000001)
00000000c711e402: 0000000000000286 (0x286)
000000005b29145f: 1ffff10039f8ce2d (0x1ffff10039f8ce2d)
000000003ec68bec: 00000000000000a8 (0xa8)
00000000b93013fd: 0000000000000000 ...
000000005dcffc36: ffff8801d702a180 (0xffff8801d702a180)
000000009acc7c4f: 0000000041b58ab3 (0x41b58ab3)
00000000b682fc98: ffffffff88be77db (regoff.33999+0x37909b/0x37a000)
0000000028daf381: ffffffff813564e0 (mm_fault_error+0x380/0x380)
000000009b05ac0e: ffff8801cfc672a8 (0xffff8801cfc672a8)
000000007e82873a: ffffffff81ab6de4 (exit_mmap+0xa4/0x5a0)
0000000053d81e0a: ffff8801ad641940 (0xffff8801ad641940)
00000000e2306e7a: 1ffff10039f8ce34 (0x1ffff10039f8ce34)
00000000109831d3: 0000000041b58ab3 (0x41b58ab3)
00000000f4a61c36: ffffffff88bfe56c (K512_4+0x13c2c/0x1204e4)
000000009fd5dd1f: ffffffff81ab6d40 (__ia32_sys_munmap+0x80/0x80)
000000002a7a8c25: ffffffff81bc10d9 (__khugepaged_exit+0x449/0x680)
000000009056f5b2: ffff8801cfc672a8 (0xffff8801cfc672a8)
00000000ff3f2b34: 1ffff10039f8ce42 (0x1ffff10039f8ce42)
000000007081f674: ffff8801cfc67368 (0xffff8801cfc67368)
00000000fc15fb5d: 0000000000000000 ...
000000009a341363: 0000000000005740 (0x5740)
000000002386777c: ffff8801cfc67330 (0xffff8801cfc67330)
00000000adde4686: ffff8801cfc67358 (0xffff8801cfc67358)
00000000da3436dd: ffffffff8135743e (do_page_fault+0xee/0x8a7)
00000000f9cb5684: 0000000000000000 ...
00000000a36c0ada: ffff8801cfc67218 (0xffff8801cfc67218)
000000008d0c8c8c: 0000000041b58ab3 (0x41b58ab3)
00000000008d55a9: ffffffff88bd5b10 (regoff.33999+0x3673d0/0x37a000)
000000005d23a3e8: ffffffff81357350 (vmalloc_sync_all+0x30/0x30)
00000000e93a9917: ffffffff8165e6d0 (rcu_note_context_switch+0x710/0x710)
000000000b5afc7d: 1ffff10039f8ce52 (0x1ffff10039f8ce52)
00000000d5cea5e4: ffff8801cfc67280 (0xffff8801cfc67280)
0000000065a36b58: ffffffff8902b6e0 (scan_sleep_millisecs_attr+0x60/0x60)
00000000d948846f: ffff8801d702a180 (0xffff8801d702a180)
000000001f719bff: ffffffff87e8a340 (reg2hex+0x3a0/0xfc0)
00000000ca866d55: 00000000000003d4 (0x3d4)
0000000071859352: 0000000000000000 ...
000000007ba43b15: ffff8801cfc672a8 (0xffff8801cfc672a8)
00000000742d02fe: ffffffff81532ad5 (__might_sleep+0x95/0x190)
00000000730fe444: 578a8f621b082a00 (0x578a8f621b082a00)
000000004b25db44: ffff8801c21ad840 (0xffff8801c21ad840)
0000000012f2c53e: 1ffff10039f8ce5a (0x1ffff10039f8ce5a)
00000000dbdc57d2: ffff8801cfc673b0 (0xffff8801cfc673b0)
00000000e84e3a56: ffff8801cfc67330 (0xffff8801cfc67330)
00000000e09e97af: ffff8801c21ad968 (0xffff8801c21ad968)
00000000a7feea07: ffff8801cfc673d8 (0xffff8801cfc673d8)
00000000b172be12: ffffffff81459c91 (mmput+0x251/0x610)
000000005f1d21dc: 0000000041b58ab3 (0x41b58ab3)
00000000cf9569b7: ffffffff88bf1110 (K512_4+0x67d0/0x1204e4)
0000000087457f61: ffffffff815df301 (lock_release+0x1/0xa10)
00000000115d5c4e: 0000000041b58ab3 (0x41b58ab3)
0000000060446a22: 0000000000000086 (0x86)
00000000e06d784b: 0000000000000001 (0x1)
00000000554844ff: 0000000000000000 ...
00000000504ab150: ffff8801cfc67350 (0xffff8801cfc67350)
00000000e26ecf06: ffffffff81007c50 (trace_hardirqs_off_thunk+0x1a/0x1c)
00000000c0d9c2e6: 0000000000000000 ...
0000000011d4082e: 0000000087a00a07 (0x87a00a07)
000000000d470bf9: 0000000000000001 (0x1)
000000005a31e302: 0000000000000000 ...
00000000826673ec: ffff8801cfc67369 (0xffff8801cfc67369)
000000003e539cbc: ffffffff87a00fce (page_fault+0x1e/0x30)
00000000f3b0471f: 0000000000000000 ...
00000000b867f918: 00000000000022bd (0x22bd)
000000003d1e80c8: 0000000010000000 (0x10000000)
00000000b1087e75: 0000000000000000 ...
0000000002de73f8: ffff8801d702a180 (0xffff8801d702a180)
000000007c555e22: 0000000000000000 ...
00000000c71fa8a9: ffffffff811f7542 (vmx_vcpu_run+0x9f2/0x25c0)
00000000e28c9502: 1ffff10038435b1d (0x1ffff10038435b1d)
00000000284f5abc: ffffffff811f754f (vmx_vcpu_run+0x9ff/0x25c0)
0000000075e15525: 0000000000000005 (0x5)
00000000fcb5634d: ffffffffffffffff (0xffffffffffffffff)
00000000b6c6acdf: ffffffff811f7570 (vmx_vcpu_run+0xa20/0x25c0)
0000000041b05e4f: 0000000000000010 (0x10)
00000000b30e9778: 0000000000010046 (0x10046)
000000008aff090f: ffff8801cfc67410 (0xffff8801cfc67410)
00000000945050f8: 0000000000000018 (0x18)
0000000071c9e6d4: 0000000000000000 ...
00000000cec69fc6: ffff8801c21ad8e8 (0xffff8801c21ad8e8)
00000000350408fb: 0000000000000000 ...
000000000ba3b780: ffff8801d702a838 (0xffff8801d702a838)
00000000ee368e15: ffff8801d702a901 (0xffff8801d702a901)
00000000de068670: 0000000041b58ab3 (0x41b58ab3)
0000000088b61c96: ffffffff88bec318 (K512_4+0x19d8/0x1204e4)
0000000008ad4511: ffffffff8147bb80 (mm_update_next_owner+0x980/0x980)
00000000997f2bed: ffffffff88bd7c80 (regoff.33999+0x369540/0x37a000)
00000000fa74ae8e: ffffffff815d6180 (print_usage_bug+0xc0/0xc0)
000000002529652a: ffff8801d702a9b8 (0xffff8801d702a9b8)
000000008a819ee6: 1ffff10039f8ce8e (0x1ffff10039f8ce8e)
00000000995630c8: 0000000041b58ab3 (0x41b58ab3)
00000000c52bebe5: ffffffff88bf1080 (K512_4+0x6740/0x1204e4)
00000000abf3cd0d: ffffffff815d8d00 (debug_check_no_locks_freed+0x310/0x310)
000000001ee0b91e: 00000000000002e2 (0x2e2)
00000000a3ba75b4: ffff8801d702a9da (0xffff8801d702a9da)
000000001187693a: 0000000000000002 (0x2)
000000002953fcdc: 0000000000000005 (0x5)
000000000da815e4: ffff8801d702a9a4 (0xffff8801d702a9a4)
000000006a8ac745: ffff8801cfc67848 (0xffff8801cfc67848)
000000000ebaaa10: ffffffff815d94f5 (__lock_acquire+0x7f5/0x5140)
0000000064e16252: ffff8801cfc67858 (0xffff8801cfc67858)
00000000d132acbf: ffffffff815d94f5 (__lock_acquire+0x7f5/0x5140)
00000000f56e142e: ffff8801cfc674e8 (0xffff8801cfc674e8)
00000000bbe8d081: ffffffff81501aad (__kernel_text_address+0xd/0x40)
00000000cf385272: ffff8801cfc67518 (0xffff8801cfc67518)
0000000056543c3d: ffff8801cfc67508 (0xffff8801cfc67508)
00000000763523a9: ffffffff81348d41 (unwind_get_return_address+0x61/0xa0)
0000000015f7bd97: 0000000041b58ab3 (0x41b58ab3)
000000003a656a22: ffffffff88bd7c80 (regoff.33999+0x369540/0x37a000)
00000000a51ed122: ffffffff815d6180 (print_usage_bug+0xc0/0xc0)
000000001f077554: ffffffff89f343c8 (lock_chains+0x22d08/0x200020)
00000000385af78a: 0000000000000000 ...
00000000a703bff4: ffff8801d702a9d0 (0xffff8801d702a9d0)
000000004b288ce2: 000000000000008e (0x8e)
0000000051c72f92: ffff8801d702a9da (0xffff8801d702a9da)
000000003282da5d: 0000000000000000 ...
0000000049e8e094: 000000000000000c (0xc)
00000000adf32f2a: ffff8801d702a9a4 (0xffff8801d702a9a4)
00000000fa44a295: ffff8801cfc678f0 (0xffff8801cfc678f0)
0000000058c98a49: ffffffff815d94f5 (__lock_acquire+0x7f5/0x5140)
00000000f75aa27a: 0000000041b58ab3 (0x41b58ab3)
0000000029dc9ca3: ffffffff88bf1080 (K512_4+0x6740/0x1204e4)
00000000647300af: ffffffff815d8d00 (debug_check_no_locks_freed+0x310/0x310)
000000007ce8ccc1: ffffffff88bf1080 (K512_4+0x6740/0x1204e4)
00000000d29e2be4: ffffffff815d8d00 (debug_check_no_locks_freed+0x310/0x310)
00000000ee093348: 0000000000000001 (0x1)
00000000a452aec2: ffff8801aeafb180 (0xffff8801aeafb180)
000000008a956a31: ffff8801aeafb0e0 (0xffff8801aeafb0e0)
000000002c34c1c8: ffff8801cfc677d0 (0xffff8801cfc677d0)
00000000acb230db: ffffffff81b75929 (save_stack+0xa9/0xd0)
00000000cb5810ee: 000000400000000c (0x400000000c)
0000000080e4d871: ffff8801cfc675c8 (0xffff8801cfc675c8)
00000000c53431d6: ffff8801d702a9d0 (0xffff8801d702a9d0)
0000000096e82ea9: ffffffff00000000 (0xffffffff00000000)
00000000a9de42ff: ffffffff8a553b00 (chainhash_table+0x3a1c0/0x40020)
000000006cdeadfd: 000000000000208f (0x208f)
0000000087abfdcd: ffff8801d702a9d8 (0xffff8801d702a9d8)
00000000c85f8048: ffff8801d702a9b0 (0xffff8801d702a9b0)
000000005d9bc024: ffff8801d702a9b8 (0xffff8801d702a9b8)
00000000d9081d02: 1ffff10039f8cec0 (0x1ffff10039f8cec0)
00000000ede63c5d: 0000000041b58ab3 (0x41b58ab3)
00000000dc914427: ffffffff88bf1080 (K512_4+0x6740/0x1204e4)
00000000041b5d83: ffffffff815d8d00 (debug_check_no_locks_freed+0x310/0x310)
00000000c1f72a9f: 000000000000022e (0x22e)
0000000043c26c4a: ffffffff87a00975 (retint_user+0x8/0x18)
00000000e4b555e6: ffffffffffffffff (0xffffffffffffffff)
00000000fff4f57f: 1ffff10039f8cecc (0x1ffff10039f8cecc)
00000000bc6afbe5: 0000000041b58ab3 (0x41b58ab3)
00000000eb6fc77a: ffffffff88bd5217 (regoff.33999+0x366ad7/0x37a000)
000000002336eda4: ffffffff815cfc20 (graph_lock+0x170/0x170)
00000000c82f41bc: ffff8801cfc676e8 (0xffff8801cfc676e8)
00000000e84a34a2: 0000000000000001 (0x1)
0000000060455837: 0000000041b58ab3 (0x41b58ab3)
0000000005deef3a: ffffffff88bd5e94 (regoff.33999+0x367754/0x37a000)
000000009d2e0119: ffff8801d702a9d0 (0xffff8801d702a9d0)
000000001e8a203d: 0000000000000000 ...
0000000012a9d6fa: ffffffff8a52d088 (chainhash_table+0x13748/0x40020)
000000001357ec0f: ffff8801d702a9a8 (0xffff8801d702a9a8)
0000000026821aea: ffff8801d702a9d8 (0xffff8801d702a9d8)
000000007037d1bc: ffff8801d702a9b0 (0xffff8801d702a9b0)
00000000390dd3fe: ffffffff89f6c608 (lock_chains+0x5af48/0x200020)
00000000a20bcd9e: 1ffff10039f8ced6 (0x1ffff10039f8ced6)
00000000aa739395: 0000000041b58ab3 (0x41b58ab3)
00000000fd3cd8a0: ffffffff88bf1080 (K512_4+0x6740/0x1204e4)
0000000074c13585: ffffffff815d8d00 (debug_check_no_locks_freed+0x310/0x310)
00000000ed56f42d: ffffffff8ab6fec8 (obj_hash+0x46dc8/0x100020)
000000009110580d: 0000000000000004 (0x4)
0000000014db0c58: 1ffff10039f8cef0 (0x1ffff10039f8cef0)
0000000034bf8a9f: ffffffff89f13fe8 (lock_chains+0x2928/0x200020)
0000000085588cf8: ffff8801c21ad948 (0xffff8801c21ad948)
000000006892d9df: ffff8801c21ad948 (0xffff8801c21ad948)
0000000091e96d13: 0000000000000000 ...
00000000b92e5086: ffff8801cfc67748 (0xffff8801cfc67748)
00000000aaa12488: ffffffff815d0506 (find_held_lock+0x36/0x1c0)
0000000034c14a85: 0000000141b58ab3 (0x141b58ab3)
00000000a40a2e94: ffff8801cfc677a0 (0xffff8801cfc677a0)
000000003565c02e: 0000000041b58ab3 (0x41b58ab3)
000000006bd5d72c: ffffffff88bd5217 (regoff.33999+0x366ad7/0x37a000)
000000006e66c6c9: ffffffff815cfc20 (graph_lock+0x170/0x170)
00000000daa60b4e: ffffffff88bd5217 (regoff.33999+0x366ad7/0x37a000)
000000005745ad19: ffffffff815cfc20 (graph_lock+0x170/0x170)
000000006a4fe738: ffff8801cfc67888 (0xffff8801cfc67888)
0000000099e4b2dd: ffffffff89f343c8 (lock_chains+0x22d08/0x200020)
00000000907a2362: 0000000000000000 ...
0000000039486a7e: ffff880100000001 (0xffff880100000001)
00000000a78d7c39: ffff8801d702a9b0 (0xffff8801d702a9b0)
0000000054ebc9dd: 0000000000000286 (0x286)
00000000f49062a5: ffffffff00000001 (0xffffffff00000001)
000000009736f9bd: 0000000041b58ab3 (0x41b58ab3)
00000000aec748d8: ffffffff88bf1110 (K512_4+0x67d0/0x1204e4)
00000000f4895c99: dffffc0000000000 (0xdffffc0000000000)
000000005a296cb7: ffffffff8110977b (pte_list_remove+0x6b/0x420)
000000006d53c692: 1ffff1003ae7ac00 (0x1ffff1003ae7ac00)
00000000648295b1: 1ffff10039f8cd39 (0x1ffff10039f8cd39)
00000000b9750123: ffff8801c21ad948 (0xffff8801c21ad948)
00000000878c67e7: ffff8801cfc66a90 (0xffff8801cfc66a90)
00000000b439ac42: ffffffff8110985b (pte_list_remove+0x14b/0x420)
000000002892e3af: 0000000000000007 (0x7)
00000000c465925d: ffff8801d702a180 (0xffff8801d702a180)
00000000b265c402: ffffed003b5e46d6 (0xffffed003b5e46d6)
00000000ebf2deab: ffffed003b5e46d6 (0xffffed003b5e46d6)
00000000dfaef39a: ffff8801daf236b3 (0xffff8801daf236b3)
000000008e4065f8: 1ffff10039f8cd3d (0x1ffff10039f8cd3d)
000000009c4f19c4: ffff8801d73d6000 (0xffff8801d73d6000)
00000000a43fa7b7: ffff8801cfc66a68 (0xffff8801cfc66a68)
00000000972a8007: 0000000000000000 ...
000000002ccec87d: ffff8801cfc67948 (0xffff8801cfc67948)
000000000abb4b14: ffff8801c21ad948 (0xffff8801c21ad948)
000000007b9c4c5d: ffff8801d702a180 (0xffff8801d702a180)
00000000971f4f30: ffff8801cfc67d24 (0xffff8801cfc67d24)
00000000eceab338: 0000000000606ed8 (0x606ed8)
0000000054ee6712: 0000000000000000 ...
00000000f1c0da2b: ffff8801cfc67868 (0xffff8801cfc67868)
00000000b55c4727: ffffffff81b75e31 (memset+0x31/0x40)
000000002bea2ead: 1ffff10039f8cf15 (0x1ffff10039f8cf15)
00000000900f61ef: ffff8801d702a860 (0xffff8801d702a860)
00000000ff7310cf: 0000000000000000 ...
0000000009c0cc2f: 1ffff10039f8cf22 (0x1ffff10039f8cf22)
00000000e78eb65f: ffff8801d702a9b8 (0xffff8801d702a9b8)
00000000e232287d: ffff8801cbd01e20 (0xffff8801cbd01e20)
00000000bd18c868: ffff8801cbd01e20 (0xffff8801cbd01e20)
00000000bb257643: 0000000000000000 ...
000000006435b277: ffff8801cfc678d8 (0xffff8801cfc678d8)
000000004966c80f: ffffffff815d0506 (find_held_lock+0x36/0x1c0)
00000000133b3407: 00000001cfc678b0 (0x1cfc678b0)
000000006a3477e8: ffff8801cfc67930 (0xffff8801cfc67930)
0000000079b852cc: 1ffff10039f8cf22 (0x1ffff10039f8cf22)
000000002a5b9104: ffff8801cfc679f0 (0xffff8801cfc679f0)
000000002c05b8cd: ffff8801cbd01e20 (0xffff8801cbd01e20)
000000000caf6110: ffff8801d702a180 (0xffff8801d702a180)
000000003ad42809: ffff8801cfc67930 (0xffff8801cfc67930)
000000009472d6e2: ffff8801cfc67a18 (0xffff8801cfc67a18)
000000005bb0e7c1: 0000000000000086 (0x86)
00000000fa14f2b2: 0000000041b58ab3 (0x41b58ab3)
00000000bac5bdb5: ffffffff00000001 (0xffffffff00000001)
00000000ceceeed7: ffff8801d702a9b0 (0xffff8801d702a9b0)
00000000bc2ee6c6: 0000000000000086 (0x86)
00000000309c51b9: ffffffff00000001 (0xffffffff00000001)
000000003725681b: 0000000041b58ab3 (0x41b58ab3)
00000000298cfd38: ffffffff88bf1110 (K512_4+0x67d0/0x1204e4)
00000000620f1550: ffffffff815df300 (lock_downgrade+0x8e0/0x8e0)
0000000079292f33: 0000000000000004 (0x4)
00000000faabf28e: 0000000000000000 ...
00000000281b53a0: 0000000000000286 (0x286)
00000000a4da2675: ffff8801cbd01e20 (0xffff8801cbd01e20)
00000000707c1c39: 1ffff10039f8cf35 (0x1ffff10039f8cf35)
00000000af68f0b3: 1ffff10039f8cf32 (0x1ffff10039f8cf32)
00000000cfbb32da: 0000000000000000 ...
0000000086549bea: ffff8801cfc67a08 (0xffff8801cfc67a08)
00000000a56e78b0: ffff8801cd881280 (0xffff8801cd881280)
000000008d989073: 0000000000000004 (0x4)
0000000088f7f325: ffff8801cd88131c (0xffff8801cd88131c)
0000000049f71b0b: ffff8801cfc67a30 (0xffff8801cfc67a30)
00000000a8f898fe: ffffffff8147e4ff (do_group_exit+0x16f/0x430)
000000006e864301: 0000000041b58ab3 (0x41b58ab3)
000000001968df40: ffffffff88bd5e94 (regoff.33999+0x367754/0x37a000)
00000000e35e4522: ffffffff815efe20 (do_raw_spin_trylock+0x1b0/0x1b0)
000000006ec98fc9: 0000000041b58ab3 (0x41b58ab3)
000000004f312269: ffffffff88bd5bee (regoff.33999+0x3674ae/0x37a000)
00000000ff648933: ffffffff8147e390 (__ia32_sys_exit+0x50/0x50)
00000000991ca801: ffff8801d702a180 (0xffff8801d702a180)
000000006fe981dd: ffffffff87849dc7 (_raw_spin_unlock_irq+0x27/0x70)
00000000c1312812: 0000000000000000 ...
000000004aa26cf2: 0000000000000009 (0x9)
00000000fcf9a79f: 0000000000000000 ...
000000004376feec: ffff8801cfc67a08 (0xffff8801cfc67a08)
00000000fe76a673: ffffffff815d80e1 (trace_hardirqs_on_caller+0x421/0x5c0)
000000008e7f8667: ffff8801cbd01e08 (0xffff8801cbd01e08)
00000000ee8d242c: ffff8801d702a180 (0xffff8801d702a180)
0000000012a12d68: dffffc0000000000 (0xdffffc0000000000)
00000000481fcb57: 0000000000000000 ...
00000000621c82e3: 0000000000000009 (0x9)
00000000fb3849a6: 0000000000000000 ...
00000000d79ece22: ffff8801cfc67be0 (0xffff8801cfc67be0)
0000000028ded346: ffffffff814b4766 (get_signal+0x886/0x1960)
00000000213c1a33: 1ffff10039f8cf53 (0x1ffff10039f8cf53)
00000000a04ccbdb: ffffed0039f8cf6f (0xffffed0039f8cf6f)
000000005cc90f65: ffff8801cfc67cf8 (0xffff8801cfc67cf8)
00000000ec239607: 0000000000000108 (0x108)
00000000e6fc32a5: ffff8801cd88131c (0xffff8801cd88131c)
00000000fca6510d: ffff8801cbd01e08 (0xffff8801cbd01e08)
00000000ea2a3f8c: ffff8801cd881280 (0xffff8801cd881280)
000000002d5aec73: ffffffff00000004 (0xffffffff00000004)
0000000082fd680a: 00000008cfc67ac0 (0x8cfc67ac0)
00000000e2b8f0c3: ffff8801cbd01600 (0xffff8801cbd01600)
0000000019daf8dd: ffff8801cfc67d18 (0xffff8801cfc67d18)
0000000062dfe36b: 0000000041b58ab3 (0x41b58ab3)
00000000a51a0b89: ffffffff88bdaf40 (regoff.33999+0x36c800/0x37a000)
000000008bd30cf9: ffffffff814b3ee0 (ptrace_notify+0x130/0x130)
00000000677bf2a2: ffff8801d702b540 (0xffff8801d702b540)
0000000062213c0d: ffff880100000000 (0xffff880100000000)
000000001300cd94: ffff8801cfc67af0 (0xffff8801cfc67af0)
00000000a9220125: 0000000000000286 (0x286)
0000000079046cf9: 0000000000000000 ...
0000000097218097: 0000000000000003 (0x3)
0000000067cd69bb: 0000000000000000 ...
00000000feb1b56a: ffff8801cfc67b08 (0xffff8801cfc67b08)
00000000f8eff54c: ffff8801cfc67b08 (0xffff8801cfc67b08)
00000000dcfe04ff: ffffffff817a3e58 (__sanitizer_cov_trace_cmp8+0x18/0x20)
0000000013192c3f: ffff8801cfc67b38 (0xffff8801cfc67b38)
000000004ab0a52c: ffffffff814b6234 (__set_current_blocked+0xe4/0x120)
00000000e78a0ab2: 1ffff10039f8cf6b (0x1ffff10039f8cf6b)
0000000086fc2e57: ffff8801cfc67cf8 (0xffff8801cfc67cf8)
00000000b0dda12a: ffff8801cfc67b38 (0xffff8801cfc67b38)
00000000ede3c44c: ffffffff817a3eb6 (__sanitizer_cov_trace_const_cmp4+0x16/0x20)
000000005fcff55d: ffff8801cfc67be0 (0xffff8801cfc67be0)
000000000bb6a5c2: ffffffff814b6369 (signal_setup_done+0xb9/0x2e0)
00000000dd749d24: 0000000040000000 (0x40000000)
0000000059c58656: 0000000b00000000 (0xb00000000)
00000000503e9b8d: 0000000041b58ab3 (0x41b58ab3)
00000000ebe1ee3b: ffffffff88bed68d (K512_4+0x2d4d/0x1204e4)
00000000b2f4e3d9: ffffffff814b62b0 (set_current_blocked+0x40/0x40)
000000000a08559d: ffff8801cfc67f58 (0xffff8801cfc67f58)
00000000cc878a65: 0000000000000000 ...
00000000d4538f53: 0000000000000001 (0x1)
000000004c16d7fc: 00000000ffffffe4 (0xffffffe4)
000000000df751c9: 0000000000000000 ...
000000004f46c4bb: 1ffff10039f8cf8b (0x1ffff10039f8cf8b)
000000005854b36f: ffff8801cfc67cf8 (0xffff8801cfc67cf8)
0000000081a73dc1: ffff8801cfc67e80 (0xffff8801cfc67e80)
00000000d9f5bdbd: dffffc0000000000 (0xdffffc0000000000)
00000000ea988191: 0000000000000004 (0x4)
000000006e649dda: ffff8801cfc67e00 (0xffff8801cfc67e00)
000000000a5c1fd6: ffffffff8128ea0c (do_signal+0x9c/0x21c0)
0000000031a4305a: 0000000000000000 ...
000000001bdbf3e0: ffff8801cfc67c8b (0xffff8801cfc67c8b)
000000001d3e36d0: 0000000000000286 (0x286)
000000004c7679e9: ffff8801cfc67cf8 (0xffff8801cfc67cf8)
000000005be7a818: 1ffff10039f8cf87 (0x1ffff10039f8cf87)
0000000042cfd956: 0000000000000000 ...
000000001930172d: ffffffff87e7a2e0 (__func__.46858+0x1e0/0x940)
00000000f3ffd247: 0000000000000000 ...
00000000ef273d2b: 578a8f621b082a00 (0x578a8f621b082a00)
000000000d30e980: 0000000000000004 (0x4)
00000000b5d48b90: ffff8801cfc67f58 (0xffff8801cfc67f58)
00000000911a5d3b: 0000000000000000 ...
00000000e289ae64: ffff8801cfc67f58 (0xffff8801cfc67f58)
00000000be3d7ce5: 0000000041b58ab3 (0x41b58ab3)
0000000098757ef3: ffffffff88be23b8 (regoff.33999+0x373c78/0x37a000)
000000005b05df87: ffffffff8128e970 (setup_sigcontext+0x7d0/0x7d0)
00000000fe0134f3: ffffffff0000117a (0xffffffff0000117a)
0000000033b2c01f: ffff8801cfc67cb8 (0xffff8801cfc67cb8)
000000001e9b60d6: ffffffff81a69c8f (vmacache_find+0x5f/0x2e0)
0000000032d872ae: 0000000000000000 ...
000000003a34a821: 00000001ffffffe4 (0x1ffffffe4)
000000003f05e5ec: ffff8801cfc67f58 (0xffff8801cfc67f58)
000000005e43a632: ffff8801d702a180 (0xffff8801d702a180)
0000000046b8fe14: dffffc0000000000 (0xdffffc0000000000)
00000000a3ed831d: 1ffff10039f8cf9f (0x1ffff10039f8cf9f)
0000000061f6cdd5: fffffbfff11e350e (0xfffffbfff11e350e)
00000000b4dc3e8e: 0000000000000008 (0x8)
0000000011a03300: ffff8801cfc67e00 (0xffff8801cfc67e00)
000000007557601e: ffffffff878342cf (schedule+0xef/0x430)
000000001a328d0d: ffff8801cfc67f58 (0xffff8801cfc67f58)
0000000074fdd63a: 0000000000000000 ...
00000000e42b2a37: 0000000008049b20 (0x8049b20)
00000000ebe94a17: 0000000042000004 (0x42000004)
000000003c5ffbf4: 0000000000000000 ...
00000000a7a36bec: 0000000000000009 (0x9)
00000000994c5653: 0000000000000000 ...
000000002bac3368: 000000000000000b (0xb)
00000000f3a08032: 0000000000000086 (0x86)
00000000b15fc90a: ffff8801d702a180 (0xffff8801d702a180)
00000000306a34f1: ffffffff8100aa27 (exit_to_usermode_loop+0x87/0x360)
00000000756b43e3: ffff8801cfc67e80 (0xffff8801cfc67e80)
00000000d72e9af3: fffffbfff11e350e (0xfffffbfff11e350e)
00000000bfbc7fb3: 0000000000000004 (0x4)
00000000313bfa53: 578a8f621b082a00 (0x578a8f621b082a00)
00000000bcce1adf: 0000000020020004 (0x20020004)
00000000344cd604: dffffc0000000000 (0xdffffc0000000000)
000000008633ad3a: ffff8801cfc67e80 (0xffff8801cfc67e80)
00000000827b9a64: fffffbfff11e350e (0xfffffbfff11e350e)
0000000088fe74f1: 0000000000000004 (0x4)
000000005d783600: ffff8801cfc67ea8 (0xffff8801cfc67ea8)
00000000b3e477cd: ffffffff8100ac6f (exit_to_usermode_loop+0x2cf/0x360)
00000000e8f81f10: 1ffff10039f8cfc4 (0x1ffff10039f8cfc4)
000000004496c73c: ffff8801cfc67f58 (0xffff8801cfc67f58)
00000000b5e36a6d: 0000000041b58ab3 (0x41b58ab3)
000000007f75a455: ffffffff88bd5bee (regoff.33999+0x3674ae/0x37a000)
000000008e743139: ffffffff8100a9a0 (syscall_slow_exit_work+0x4f0/0x4f0)
00000000d7ccac9b: 0000000000000086 (0x86)
000000007b81ea23: 0000000020020004 (0x20020004)
0000000055c84221: 1ffff10039f8cfd0 (0x1ffff10039f8cfd0)
000000004049e059: ffff8801cfc67f20 (0xffff8801cfc67f20)
00000000949eebfa: ffff8801cfc67e68 (0xffff8801cfc67e68)
00000000632081b2: ffffffff817a3eb6 (__sanitizer_cov_trace_const_cmp4+0x16/0x20)
000000003574983c: ffff8801cfc67f48 (0xffff8801cfc67f48)
000000008ffe475a: ffffffff8100be8f (syscall_return_slowpath+0x30f/0x5c0)
000000007a741c59: ffff8801cfc67f58 (0xffff8801cfc67f58)
00000000e09fda0e: 1ffff10039f8cfd8 (0x1ffff10039f8cfd8)
00000000d87c4077: ffff8801d702a180 (0xffff8801d702a180)
00000000537796f6: 000000000000000c (0xc)
0000000006d159d6: ffff8801cfc67f20 (0xffff8801cfc67f20)
00000000ed56c339: 000000002002000c (0x2002000c)
000000000a5e0300: ffff8801cfc67f48 (0xffff8801cfc67f48)
000000009b253e25: ffffffff8100bb1e (prepare_exit_to_usermode+0x32e/0x390)
00000000bf6e0732: ffff8801cfc67f58 (0xffff8801cfc67f58)
0000000097013f35: 0000000041b58ab3 (0x41b58ab3)
0000000082af0469: ffffffff88bd5bee (regoff.33999+0x3674ae/0x37a000)
00000000034804a7: ffffffff8100b7f0 (perf_trace_sys_enter+0xaf0/0xaf0)
00000000599e0fdc: 0000000000000000 ...
0000000094111130: 000000002002000c (0x2002000c)
00000000c2e54940: 0000000000000000 ...
00000000da41d729: ffff8801cfc67f48 (0xffff8801cfc67f48)
0000000050a25a4c: ffffffff81007c50 (trace_hardirqs_off_thunk+0x1a/0x1c)
00000000407122f1: 0000000000000000 ...
0000000039f6effa: ffffed00397a03c2 (0xffffed00397a03c2)
000000001dd6c964: 0000000000000000 ...
000000008ee8adeb: ffffffff87a00fb8 (page_fault+0x8/0x30)
0000000089fd67bf: 0000000000000000 ...
00000000be9aee05: ffff8801cfc67f59 (0xffff8801cfc67f59)
000000003d9aa312: ffffffff87a00975 (retint_user+0x8/0x18)
0000000055b32471: 0000000000000000 ...
00000000e0c501ec: 00000000f5f32158 (0xf5f32158)
00000000835474bf: 00000000080d43f9 (0x80d43f9)
00000000386cf7fc: 0000000000000292 (0x292)
000000007c14ccac: 0000000000000000 ...
000000009dba8090: 000000000000000b (0xb)
000000009d123ce2: 00000000f5f2b38c (0xf5f2b38c)
00000000f3fba5d2: 00000000f5f2b30c (0xf5f2b30c)
00000000f737b98f: 000000000814af00 (0x814af00)
00000000822311ab: 00000000ffffffff (0xffffffff)
000000000436ccea: ffffffffffffffff (0xffffffffffffffff)
000000002f89fcf6: 0000000008049b20 (0x8049b20)
0000000070ed75ba: 0000000000000023 (0x23)
0000000069a5a343: 0000000000000286 (0x286)
000000000b3f4cc4: 00000000f5f2b2fc (0xf5f2b2fc)
00000000f6eda37b: 000000000000002b (0x2b)

The buggy address belongs to the page:
page:ffffea00073f19c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 ffffffff073f0101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801cfc67280: f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2
 ffff8801cfc67300: f2 f2 f3 f3 f3 f3 00 f2 f2 f2 f2 f2 f2 f2 00 f2
>ffff8801cfc67380: f2 f2 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
                         ^
 ffff8801cfc67400: 00 00 00 00 00 00 00 f1 f1 f1 f1 04 f2 f2 f2 f2
 ffff8801cfc67480: f2 f2 f2 04 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2
==================================================================