Message-ID: <001a113fe6c049450f05699315cb@google.com>
Date:   Wed, 11 Apr 2018 07:02:01 -0700
From:   syzbot <syzbot+ef99b30646419e80cae3@...kaller.appspotmail.com>
To:     hpa@...or.com, kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, pbonzini@...hat.com, rkrcmar@...hat.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: BUG: unable to handle kernel paging request in vmx_vcpu_run

Hello,

syzbot hit the following crash on upstream commit
b284d4d5a6785f8cd07eda2646a95782373cd01e (Tue Apr 10 19:25:30 2018 +0000)
Merge tag 'ceph-for-4.17-rc1' of git://github.com/ceph/ceph-client
syzbot dashboard link:  
https://syzkaller.appspot.com/bug?extid=ef99b30646419e80cae3

So far this crash happened 6 times on upstream.
C reproducer: https://syzkaller.appspot.com/x/repro.c?id=5481723257159680
syzkaller reproducer:  
https://syzkaller.appspot.com/x/repro.syz?id=6533100448251904
Raw console output:  
https://syzkaller.appspot.com/x/log.txt?id=5360184809488384
Kernel config:  
https://syzkaller.appspot.com/x/.config?id=-1223000601505858474
compiler: gcc (GCC) 8.0.1 20180301 (experimental)

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+ef99b30646419e80cae3@...kaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for  
details.
If you forward the report, please keep this part and the footer.

BUG: unable to handle kernel paging request at 0000000000005b22
PGD 1b9595067 P4D 1b9595067 PUD 1b5bba067 PMD 0
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
    (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4499 Comm: syzkaller299565 Not tainted 4.16.0+ #19
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS  
Google 01/01/2011
RIP: 0010:vmx_vcpu_run+0x95f/0x25f0 arch/x86/kvm/vmx.c:9746
RSP: 0018:ffff8801b6927368 EFLAGS: 00010002
==================================================================
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 ffff8801b69272e0 by task syzkaller299565/4499

CPU: 1 PID: 4499 Comm: syzkaller299565 Not tainted 4.16.0+ #19
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+0xac/0x2f5 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+0x2b/0x40 arch/x86/kernel/dumpstack.c:389
  __die+0x90/0xc4 arch/x86/kernel/dumpstack.c:326
  no_context+0x3ab/0x960 arch/x86/mm/fault.c:814
  __bad_area_nosemaphore+0x2d3/0x370 arch/x86/mm/fault.c:905
  bad_area_nosemaphore+0x33/0x40 arch/x86/mm/fault.c:912
  __do_page_fault+0x1d3/0xe40 arch/x86/mm/fault.c:1331
  do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474
  page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1159
RIP: 0010:vmx_vcpu_run+0x95f/0x25f0 arch/x86/kvm/vmx.c:9746
RSP: 0018:ffff8801b6927368 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 1ffff10036d24d25 RCX: 000000000000049a
RDX: 1ffff100370ac000 RSI: ffffffff811098ab RDI: 0000000000000007
RBP: ffff8801b69269f0 R08: ffff8801b6426080 R09: ffffed003b6246c2
R10: ffffed003b6246c2 R11: ffff8801db123613 R12: 1ffff10036d24d29
R13: ffff8801b8560000 R14: ffff8801b69269c8 R15: 0000000000000000
WARNING: kernel stack regs at 00000000ee1696a1 in syzkaller299565:4499 has  
bad 'bp' value 0000000051955e96
unwind stack type:1 next_sp:          (null) mask:0x2 graph_idx:0
000000003b3d93a1: ffff8801b6926ce8 (0xffff8801b6926ce8)
00000000b03c3ede: ffffffff8129e5d1 (show_trace_log_lvl+0x1dd/0x25c)
00000000932ce21a: ffffffff811f64df (vmx_vcpu_run+0x95f/0x25f0)
00000000ad825f0c: ffff8801b6927338 (0xffff8801b6927338)
0000000034c6d8a9: 0000000000000002 (0x2)
00000000eeee09e9: 0000000000000001 (0x1)
000000008bcb3dc2: ffff8801b6920000 (0xffff8801b6920000)
00000000ed1f7fd4: ffff8801b6928000 (0xffff8801b6928000)
000000002506dc26: 0000000000000000 ...
000000000c2cd5e0: 0000000000000001 (0x1)
0000000035be5893: ffff8801b6920000 (0xffff8801b6920000)
00000000ddf6e70a: ffff8801b6928000 (0xffff8801b6928000)
000000009e78692b: 0000000000000000 ...
00000000192f620b: 0000000000000002 (0x2)
000000000dc7dfbe: ffff8801b6426080 (0xffff8801b6426080)
00000000298e3feb: 0000010100000000 (0x10100000000)
000000005a0a94fa: 0000000000000000 ...
00000000ca24827a: ffff8801b6926c20 (0xffff8801b6926c20)
00000000ca3cf33d: ffffffff811f64df (vmx_vcpu_run+0x95f/0x25f0)
00000000e1224d49: ffff8801b69272b8 (0xffff8801b69272b8)
000000009e02f5e2: 0000000000000093 (0x93)
00000000ecc6a240: 0000000000000000 ...
000000008cd8e522: ffffffff88b186e0 (pv_cpu_ops+0x120/0x120)
000000007553665a: 00000000ffffffff (0xffffffff)
000000001a5fded9: ffff8801b6926cf8 (0xffff8801b6926cf8)
00000000d632aa15: ffffffff8129e688 (show_stack+0x38/0x3a)
00000000f9b5eeff: ffff8801b6926da8 (0xffff8801b6926da8)
000000003b513edd: ffffffff87486125 (dump_stack+0x1b9/0x294)
00000000af07f60a: fffffbfff11630dc (0xfffffbfff11630dc)
00000000e1d4b7d9: dffffc0000000000 (0xdffffc0000000000)
0000000008b42d60: 1ffff10036d24da4 (0x1ffff10036d24da4)
000000005badfdfe: 0000000041b58ab3 (0x41b58ab3)
00000000f9b3f99d: ffffffff8877a7f4 (regoff.33541+0x34f4d4/0x361be0)
00000000a9e37bb0: ffffffff87485f6c (dump_stack_print_info.cold.2+0x52/0x52)
0000000069fec6d3: ffffffff815fabd2 (printk+0x9e/0xba)
00000000b3884d1a: 0000000041b58ab3 (0x41b58ab3)
000000000e740e9e: ffffffff8878ff9c (K512_4+0x125c/0x11504c)
00000000a5bac989: ffffffff815fab34 (kmsg_dump_rewind_nolock+0xe4/0xe4)
00000000232b29e1: ffffffff88c220c0 (kmem_cache_boot+0x320/0x320)
00000000feca12a6: ffffffff00000008 (0xffffffff00000008)
00000000bc42ba17: ffff8801b6926df0 (0xffff8801b6926df0)
000000002a6b9b2c: ffff8801b6926da0 (0xffff8801b6926da0)
0000000076b99d5d: ffffffff81b2b954 (kasan_check_write+0x14/0x20)
0000000047fd2aa6: ffffea0006da49c0 (0xffffea0006da49c0)
000000006a1b93ac: 0000000000000000 ...
000000003f8cb786: ffff8801b69272e0 (0xffff8801b69272e0)
00000000f55721a5: 0000000000000008 (0x8)
0000000068fd28f1: ffff8801b69272e0 (0xffff8801b69272e0)
00000000f88b3301: ffff8801b6926de0 (0xffff8801b6926de0)
00000000ba4a7483: ffffffff81b2cc31 (print_address_description+0x6c/0x20b)
0000000002da42b9: ffff8801b69272e0 (0xffff8801b69272e0)
000000008b9bd5bb: 0000000000000000 ...
000000006d1c601c: ffffffff8128c3f4 (__show_regs.cold.7+0x4e/0x54a)
00000000fa86f0ae: 0000000000000008 (0x8)
00000000312da155: ffff8801b69272e0 (0xffff8801b69272e0)
000000002f621ecb: ffff8801b6926e20 (0xffff8801b6926e20)
000000001eeccb1e: ffffffff81b2ce7c (kasan_report.cold.7+0xac/0x2f5)
00000000d47c9770: 0000000000000082 (0x82)
00000000a0077136: ffff8801b69272b8 (0xffff8801b69272b8)
000000007332f4a0: 0000000000000001 (0x1)
000000001f6aa81b: 000000000000049a (0x49a)
00000000d9675d34: 0000000000000000 ...
0000000059da7c4c: ffff8801b69272b8 (0xffff8801b69272b8)
0000000044c9ebfd: ffff8801b6926e30 (0xffff8801b6926e30)
00000000e5ce5871: ffffffff81b2c914 (__asan_report_load8_noabort+0x14/0x20)
000000005ca2d105: ffff8801b6926e98 (0xffff8801b6926e98)
00000000d6f8a167: ffffffff8128c3f4 (__show_regs.cold.7+0x4e/0x54a)
000000005e8ca017: ffff8801b6926e80 (0xffff8801b6926e80)
000000007229f05e: ffffffff87485f5d (dump_stack_print_info.cold.2+0x43/0x52)
000000001cbd5ff6: ffff8801b69272b8 (0xffff8801b69272b8)
000000004b2d8a47: ffffffff887873c9 (regoff.33541+0x35c0a9/0x361be0)
00000000a532b0da: ffffffff87a798a0 (__func__.46191+0x6a0/0x960)
000000006423131d: 0000000000000002 (0x2)
000000007d9e3c04: ffff8801b69272b8 (0xffff8801b69272b8)
0000000039cb7af3: ffffffff87a798a0 (__func__.46191+0x6a0/0x960)
00000000236abf40: 0000000000000002 (0x2)
00000000bf38a14f: 0000000000000000 ...
000000000632a8bb: ffff8801b69272b8 (0xffff8801b69272b8)
00000000217c722c: ffff8801b6926ed0 (0xffff8801b6926ed0)
0000000022aabc58: ffffffff8129e31b (show_regs+0x2b/0x40)
00000000ed336a40: ffff8801b69272b8 (0xffff8801b69272b8)
000000007788859e: ffff8801b69272b8 (0xffff8801b69272b8)
0000000097f5e103: ffffffff87a798a0 (__func__.46191+0x6a0/0x960)
00000000cd4c2195: 0000000000000002 (0x2)
000000006ef6a316: 0000000000000000 ...
000000000320ac02: ffff8801b6926ef8 (0xffff8801b6926ef8)
0000000083cf6cb5: ffffffff8129e85c (__die+0x90/0xc4)
00000000aa44289a: 1ffff10036d24de8 (0x1ffff10036d24de8)
000000003c4d6724: 0000000057ac6e9d (0x57ac6e9d)
0000000072c31343: ffff8801b6426080 (0xffff8801b6426080)
00000000201d4cd7: ffff8801b6926fc8 (0xffff8801b6926fc8)
00000000d74ced1e: ffffffff8135207b (no_context+0x3ab/0x960)
000000007047fc11: ffff8801af8ec530 (0xffff8801af8ec530)
000000008a37f73d: ffff8801b6926f48 (0xffff8801b6926f48)
00000000189c6b7e: 0000000000000082 (0x82)
0000000073da6e68: ffffffff00000001 (0xffffffff00000001)
00000000b0fa4e6f: ffff88010000000b (0xffff88010000000b)
00000000ba31b26a: 0000000000005b22 (0x5b22)
000000000afc6e2b: 0000000000000002 (0x2)
00000000fe31d2b9: 0000000041b58ab3 (0x41b58ab3)
000000009eccb5fb: ffffffff88785321 (regoff.33541+0x35a001/0x361be0)
0000000019c721d7: ffffffff81351cd0 (pgtable_bad+0x130/0x130)
00000000821588c3: ffffffff8a5fb330 (obj_hash+0x934d0/0x100020)
00000000b164c1ed: ffffffff8a5fb338 (obj_hash+0x934d8/0x100020)
000000005a3c1530: ffff8801b6926f78 (0xffff8801b6926f78)
00000000a05db859: 1ffff10036d24df3 (0x1ffff10036d24df3)
000000006be17b90: 00000000b6926fb0 (0xb6926fb0)
00000000df03b7c3: ffff8801b6926ff8 (0xffff8801b6926ff8)
00000000c7eb948c: ffff8801b5fd9e28 (0xffff8801b5fd9e28)
0000000068f4dd3e: ffff8801b5fd9900 (0xffff8801b5fd9900)
0000000058fb97c2: 0000000041b58ab3 (0x41b58ab3)
00000000f73fe7a4: 0000000000000002 (0x2)
0000000087abc491: ffff8801b6426080 (0xffff8801b6426080)
000000006e93d166: 0000000000005b22 (0x5b22)
0000000001fe8ad8: ffff8801b69272b8 (0xffff8801b69272b8)
00000000933fd738: 0000000000000000 ...
000000004c6c9d10: ffff8801b6927028 (0xffff8801b6927028)
00000000b65bea64: ffffffff81352903 (__bad_area_nosemaphore+0x2d3/0x370)
00000000319bb59e: ffff8801b69270e0 (0xffff8801b69270e0)
000000000c0c340d: ffffffff833789cf (debug_check_no_obj_freed+0x2ff/0x584)
000000004b64ed35: ffffffff00000001 (0xffffffff00000001)
000000009ce7c7ed: 0000000000000000 ...
00000000ce2bc8d5: 00000001af8ebf18 (0x1af8ebf18)
0000000059f69004: ffff8801b69272b8 (0xffff8801b69272b8)
00000000a7137300: 0000000000000002 (0x2)
000000002498a45f: 0000000000005b22 (0x5b22)
000000006cf269c0: 0000000000000000 ...
000000009fecc6de: 0000000000000002 (0x2)
00000000cc1d95b3: ffff8801b6927058 (0xffff8801b6927058)
0000000006e5507a: ffffffff813529d3 (bad_area_nosemaphore+0x33/0x40)
000000007e876965: 0000000000005b22 (0x5b22)
00000000dd802f21: ffff8801b69272b8 (0xffff8801b69272b8)
000000005530afba: 0000000000000000 ...
0000000041d62bb0: 0000000000000001 (0x1)
00000000d0c1a2e9: ffff8801b6927140 (0xffff8801b6927140)
000000002acd265f: ffffffff81353483 (__do_page_fault+0x1d3/0xe40)
0000000007d60abc: ffffffff88b8dae0 (rcu_callback_map+0x40/0x40)
0000000027489d2f: 0000000000000282 (0x282)
000000002e92b487: ffff8801b6426080 (0xffff8801b6426080)
0000000099190a51: ffffffff88b8dae0 (rcu_callback_map+0x40/0x40)
00000000c6e9545d: ffffffff00000001 (0xffffffff00000001)
00000000ed036e74: ffff8801b69271e0 (0xffff8801b69271e0)
00000000c9db9522: 1ffff10036d24e17 (0x1ffff10036d24e17)
0000000071a87d30: 00000000000000a8 (0xa8)
00000000d4051a46: 0000000000000000 ...
00000000a3fae1e6: ffff8801b6426080 (0xffff8801b6426080)
0000000055517aef: 0000000041b58ab3 (0x41b58ab3)
00000000d28f40a1: ffffffff8878bfcb (regoff.33541+0x360cab/0x361be0)
00000000a116fee5: ffffffff813532b0 (mm_fault_error+0x380/0x380)
00000000dc7fc1d0: 1ffff10036d24e20 (0x1ffff10036d24e20)
00000000445e3974: ffff8801b5fd9a28 (0xffff8801b5fd9a28)
00000000fc2bcb50: ffff8801b6927208 (0xffff8801b6927208)
00000000ba9346b2: ffffffff81a75c24 (exit_mmap+0xa4/0x570)
0000000052073baa: ffff8801b0a693c8 (0xffff8801b0a693c8)
000000000bd4ef6c: 1ffff10036d24e20 (0x1ffff10036d24e20)
0000000036f3fa2b: 0000000041b58ab3 (0x41b58ab3)
00000000e4e7790e: ffffffff887a84a2 (K512_4+0x19762/0x11504c)
00000000b2897400: ffffffff81a75b80 (SyS_munmap+0x30/0x30)
0000000037c506b3: 1ffff10036d24e2c (0x1ffff10036d24e2c)
00000000b1b6e4a1: ffff8801b69272b8 (0xffff8801b69272b8)
0000000065e6d705: 0000000000000002 (0x2)
000000005435cff5: 0000000000005b22 (0x5b22)
00000000e37b8052: ffff8801b6927280 (0xffff8801b6927280)
0000000059d0c66f: ffff8801b69272a8 (0xffff8801b69272a8)
00000000db93abaa: ffffffff8135420e (do_page_fault+0xee/0x8a7)
00000000fb95cedd: ffffffff81b76be0 (hugepage_madvise+0x100/0x100)
0000000045e1545c: ffffffff81512060 (check_same_owner+0x320/0x320)
00000000fb13c2d1: 0000000041b58ab3 (0x41b58ab3)
00000000713a0aba: ffffffff8877a480 (regoff.33541+0x34f160/0x361be0)
000000001a5a1a0a: ffffffff81354120 (vmalloc_sync_all+0x30/0x30)
00000000f4df7c63: 0000000041b58ab3 (0x41b58ab3)
000000001fc52cee: ffffffff88786a30 (regoff.33541+0x35b710/0x361be0)
00000000f758eeef: ffffffff8163b5f0 (rcu_note_context_switch+0x710/0x710)
00000000f428f7f7: 1ffff10036d24e3e (0x1ffff10036d24e3e)
00000000f4979bb4: ffff8801b69271e0 (0xffff8801b69271e0)
0000000035a7d5a5: ffff8801b0a691d0 (0xffff8801b0a691d0)
000000001af90dad: ffff8801b6426080 (0xffff8801b6426080)
0000000009dbb85d: ffffffff87a88ae0 (reg2hex+0x3a0/0xfa0)
000000006e17b61a: 00000000000003d4 (0x3d4)
00000000e9f20142: 0000000000000000 ...
00000000a527dc44: ffff8801b6927208 (0xffff8801b6927208)
000000000f326dff: ffffffff81512415 (__might_sleep+0x95/0x190)
000000002b20b8c8: edf570ab9e94ab00 (0xedf570ab9e94ab00)
00000000ac2f8f2d: ffff8801b5fd9900 (0xffff8801b5fd9900)
000000006e2746d4: 1ffff10036d24e46 (0x1ffff10036d24e46)
000000000ba54006: ffff8801b6927310 (0xffff8801b6927310)
00000000e11de594: ffff8801b6927290 (0xffff8801b6927290)
000000006051bfd6: ffff8801b5fd9a28 (0xffff8801b5fd9a28)
0000000039bd208c: ffff8801b6927338 (0xffff8801b6927338)
000000003619dfe3: ffffffff814478e1 (mmput+0x251/0x610)
000000007a6162ee: 0000000041b58ab3 (0x41b58ab3)
000000005fdd554a: ffffffff88795448 (K512_4+0x6708/0x11504c)
00000000e117f91e: 0000000000000082 (0x82)
000000005b9e3042: 0000000000000001 (0x1)
0000000045e4b6de: 0000000000000000 ...
00000000ad4f71c6: ffff8801b69272a0 (0xffff8801b69272a0)
00000000f3d62c34: ffffffff81007c65 (trace_hardirqs_off_thunk+0x1a/0x1c)
00000000e83fbc30: 0000000000000000 ...
000000000dd6d08e: 0000000087600a07 (0x87600a07)
00000000809912b9: 0000000000000001 (0x1)
00000000576e1c06: 0000000000000000 ...
00000000df24cd8d: ffff8801b69272b9 (0xffff8801b69272b9)
000000007eaa3244: ffffffff87601235 (page_fault+0x25/0x50)
00000000ee1696a1: 0000000000000000 ...
00000000864fb7b9: ffff8801b69269c8 (0xffff8801b69269c8)
000000005359c7cc: ffff8801b8560000 (0xffff8801b8560000)
00000000fa1cc724: 1ffff10036d24d29 (0x1ffff10036d24d29)
000000004bab318e: ffff8801b69269f0 (0xffff8801b69269f0)
0000000037f9e02b: 1ffff10036d24d25 (0x1ffff10036d24d25)
00000000d9aaffcf: ffff8801db123613 (0xffff8801db123613)
00000000c802043f: ffffed003b6246c2 (0xffffed003b6246c2)
000000002ce4fb70: ffffed003b6246c2 (0xffffed003b6246c2)
000000005d83855b: ffff8801b6426080 (0xffff8801b6426080)
00000000286eb77e: dffffc0000000000 (0xdffffc0000000000)
00000000d7dcf60d: 000000000000049a (0x49a)
00000000350bc632: 1ffff100370ac000 (0x1ffff100370ac000)
0000000096a0b06d: ffffffff811098ab (pte_list_remove+0x14b/0x420)
00000000242bc3ee: 0000000000000007 (0x7)
000000002cba746b: ffffffffffffffff (0xffffffffffffffff)
000000002c8c7fa2: ffffffff811f64df (vmx_vcpu_run+0x95f/0x25f0)
00000000b8437915: 0000000000000010 (0x10)
000000003975c401: 0000000000010002 (0x10002)
0000000000ca2bcd: ffff8801b6927368 (0xffff8801b6927368)
00000000a6cd07d5: 0000000000000018 (0x18)
00000000efca6084: 000000000000049a (0x49a)
00000000c31b6bf8: ffffffff811097cb (pte_list_remove+0x6b/0x420)
00000000265df3c9: 0000000000000000 ...
000000008aad5511: ffff8801b5fd99a8 (0xffff8801b5fd99a8)
0000000012a34857: 1ffff10000000000 (0x1ffff10000000000)
0000000011fdbe72: ffff8801b6426778 (0xffff8801b6426778)
00000000f1df39d0: 0000000000000201 (0x201)
00000000594832ce: 0000000041b58ab3 (0x41b58ab3)
00000000b4b73cb8: ffffffff88790648 (K512_4+0x1908/0x11504c)
000000000b48acfb: ffffffff81469110 (mm_update_next_owner+0x980/0x980)
000000006ea8b4b5: ffffffff8877c5e0 (regoff.33541+0x3512c0/0x361be0)
00000000cea70e28: ffffffff815b3a20 (print_usage_bug+0xc0/0xc0)
00000000c7505578: 0000000000000282 (0x282)
00000000d00713ba: 0000000041b58ab3 (0x41b58ab3)
0000000017d3e0fe: ffffffff88779b87 (regoff.33541+0x34e867/0x361be0)
0000000020a18077: ffffffff815ad610 (graph_lock+0x170/0x170)
000000006a6f2492: ffffffff815cd26e (do_raw_spin_unlock+0x9e/0x2e0)
0000000091a50343: 0000000041b58ab3 (0x41b58ab3)
00000000dbb90834: ffffffff8877a7f4 (regoff.33541+0x34f4d4/0x361be0)
00000000e35508fb: 0000000041b58ab3 (0x41b58ab3)
000000000340fd5c: ffffffff88786a30 (regoff.33541+0x35b710/0x361be0)
00000000d2835ddb: ffffffff8163b5f0 (rcu_note_context_switch+0x710/0x710)
000000002ea2b32f: ffffffff815bd77c (lock_acquire+0x1dc/0x520)
00000000fe619a9e: 0000000000000000 ...
00000000086d339c: ffff8801b69277d0 (0xffff8801b69277d0)
00000000abd523b5: ffff8801b6426080 (0xffff8801b6426080)
00000000f2deddb7: ffffffff87ac75a0 (tk_debug_sleep_time_fops+0x2c0/0x940)
000000004b61cc85: 0000000000000039 (0x39)
000000004f94f99a: 0000000000000000 ...
000000000dfe83ca: ffff8801b6927488 (0xffff8801b6927488)
0000000026929c01: ffffffff81512415 (__might_sleep+0x95/0x190)
0000000063b02001: ffff8801b69277b8 (0xffff8801b69277b8)
00000000d4ea3b69: ffff8801b69277b8 (0xffff8801b69277b8)
00000000dd4fed01: 1ffff10036d24ea2 (0x1ffff10036d24ea2)
000000004462a9c1: ffff8801b64268f8 (0xffff8801b64268f8)
000000008b4428e8: ffffc90000c7cb20 (0xffffc90000c7cb20)
000000008c803b17: ffffc90000c7cb20 (0xffffc90000c7cb20)
00000000e18957df: 000000000000008f (0x8f)
00000000f3bc7e49: ffff8801b642691a (0xffff8801b642691a)
000000000b8b0bfc: 0000000000000000 ...
000000002a9c0e42: 000000000000000c (0xc)
00000000e8b2cd91: ffff8801b64268e4 (0xffff8801b64268e4)
000000006bf73822: ffff8801b6927850 (0xffff8801b6927850)
000000007152c2e6: ffffffff815b6d95 (__lock_acquire+0x7f5/0x5130)
000000007a8ae8f5: ffffc90000c7cb20 (0xffffc90000c7cb20)
00000000c17c7fe5: ffff8801b6426080 (0xffff8801b6426080)
000000009fd3f843: ffff8801b6927530 (0xffff8801b6927530)
0000000081fa8f01: ffff8801b6927618 (0xffff8801b6927618)
000000002eee3e49: 0000000000000282 (0x282)
0000000001e40995: 0000000000000000 ...
000000006728d67c: ffff880100000001 (0xffff880100000001)
000000003d121509: ffff8801b64268f0 (0xffff8801b64268f0)
0000000059017f74: 0000000000000282 (0x282)
0000000096028ac3: ffffffff00000001 (0xffffffff00000001)
00000000013e451b: 0000000041b58ab3 (0x41b58ab3)
00000000b1e38888: ffffffff88795448 (K512_4+0x6708/0x11504c)
000000009acada06: ffff8801b6426910 (0xffff8801b6426910)
000000001c7d7d65: ffffc90000000000 (0xffffc90000000000)
000000008b3e410b: ffffffff89faad08 (chainhash_table+0x7608/0x40020)
00000000fec68e96: 0000000000000080 (0x80)
00000000381ef1ff: ffff8801b6426918 (0xffff8801b6426918)
000000007703aec9: ffff8801b64268f0 (0xffff8801b64268f0)
00000000d6d2f13f: ffff8801b64268f8 (0xffff8801b64268f8)
00000000416b68dd: 1ffff10036d24eac (0x1ffff10036d24eac)
0000000035de67b5: 0000000041b58ab3 (0x41b58ab3)
00000000b801fb31: ffffffff887953b8 (K512_4+0x6678/0x11504c)
00000000940f0229: ffffffff815b65a0 (debug_check_no_locks_freed+0x310/0x310)
000000009f6d9cb8: 000000000000041a (0x41a)
00000000fc84c3ab: ffff8801b6927618 (0xffff8801b6927618)
0000000060e867a9: ffffffff815cd26e (do_raw_spin_unlock+0x9e/0x2e0)
00000000da012f1b: 0000000041b58ab3 (0x41b58ab3)
00000000ec6d0d52: ffffffff8877a7f4 (regoff.33541+0x34f4d4/0x361be0)
00000000f7e8a891: ffffffff815cd1d0 (do_raw_spin_trylock+0x1b0/0x1b0)
00000000617bc7bd: 0000000000000000 ...
00000000d2a10edb: 0000000000000001 (0x1)
0000000033f5bde3: 0000000000000000 ...
0000000062a8174d: ffffc90000c7cb18 (0xffffc90000c7cb18)
000000008875aaa8: ffffc90000c7cb40 (0xffffc90000c7cb40)
0000000078889935: ffffffff81b2b954 (kasan_check_write+0x14/0x20)
000000001d0fa421: ffff8801b6927610 (0xffff8801b6927610)
00000000548d83c6: ffffffff81773ed3 (__sanitizer_cov_trace_switch+0x53/0x90)
00000000e21f5558: 0000000000000002 (0x2)
0000000055922bc4: ffff8801b5fd9900 (0xffff8801b5fd9900)
000000009c11158a: ffff8801b6927858 (0xffff8801b6927858)
000000009227185b: ffffffff8999de48 (lock_chains+0x29c8/0x200020)
00000000dc7daf67: ffffffff81773e1a  
(__sanitizer_cov_trace_const_cmp1+0x1a/0x20)
00000000f4252522: ffff8801b6927630 (0xffff8801b6927630)
00000000fba57a56: ffffffff816a4b2d (drop_futex_key_refs.isra.13+0x6d/0xe0)
00000000d9f9b506: ffff8801b6927630 (0xffff8801b6927630)
000000009b25ef21: ffffffff81773e78  
(__sanitizer_cov_trace_const_cmp8+0x18/0x20)
00000000d29843f8: ffff8801b6927880 (0xffff8801b6927880)
0000000094b71553: ffffffff816ab2d1 (futex_wait+0x5c1/0x9f0)
000000005e607c15: ffff8801b69276f8 (0xffff8801b69276f8)
00000000ea92e70d: 1ffff10036d24ed3 (0x1ffff10036d24ed3)
000000007b9b08a3: 0000000000000000 ...
000000002d51bbb0: ffff8801b69277e8 (0xffff8801b69277e8)
0000000088b019e8: 00000000ffffffff (0xffffffff)
000000007452c29d: 00000000006e7a1c (0x6e7a1c)
0000000058b8b7f4: ffff8801b69276b8 (0xffff8801b69276b8)
00000000092fe41e: ffff8801b6927738 (0xffff8801b6927738)
00000000f50532d4: ffffed0036d24efd (0xffffed0036d24efd)
00000000975b0d2a: fffffe0000000001 (0xfffffe0000000001)
00000000eb54ee30: 0000000000000000 ...
00000000a52596bf: 0000000041b58ab3 (0x41b58ab3)
000000003d244079: ffffffff88799ba8 (K512_4+0xae68/0x11504c)
00000000434bcf99: ffffffff816aad10 (futex_wait_setup+0x400/0x400)
0000000008188d57: 0000000000000000 ...
0000000082202c5e: ffffc90000c7cb00 (0xffffc90000c7cb00)
00000000ce53ccce: ffff8801b69276f8 (0xffff8801b69276f8)
00000000f9598e4e: ffffffff81773ed3 (__sanitizer_cov_trace_switch+0x53/0x90)
00000000575b3947: 0000000000000002 (0x2)
000000008af9e786: ffff8801b5fd9900 (0xffff8801b5fd9900)
00000000f81b2e63: dffffc0000000000 (0xdffffc0000000000)
00000000f3d845ce: ffff8801b69276f8 (0xffff8801b69276f8)
00000000e0cea1ea: ffffffff81773e1a  
(__sanitizer_cov_trace_const_cmp1+0x1a/0x20)
00000000d4590457: ffffc90000c7cb08 (0xffffc90000c7cb08)
0000000020af2be5: ffffffff816a4b2d (drop_futex_key_refs.isra.13+0x6d/0xe0)
00000000aad14151: ffffc90000c7cb28 (0xffffc90000c7cb28)
00000000ea1bfeab: ffffc90000c7cb28 (0xffffc90000c7cb28)
0000000017d7e543: ffff8801b6927880 (0xffff8801b6927880)
000000001d25fb8b: ffffffff816aa4b6 (futex_wake+0x2f6/0x750)
00000000e59e8952: 0000000041b58ab3 (0x41b58ab3)
00000000a463ff7b: ffffffff88779b87 (regoff.33541+0x34e867/0x361be0)
000000001f59d9cd: ffffffff815ad610 (graph_lock+0x170/0x170)
00000000af31cbe0: 00000a1e0044b7e9 (0xa1e0044b7e9)
0000000073bbadd8: 00000001ffffffff (0x1ffffffff)
0000000056ee477a: ffffed0036d24f04 (0xffffed0036d24f04)
00000000e190aab2: ffff8801b69277d8 (0xffff8801b69277d8)
0000000090121d04: ffff8801b6927818 (0xffff8801b6927818)
00000000ebd42ae0: ffffc90000c7cb40 (0xffffc90000c7cb40)
00000000bba66f33: 00000000ffffffff (0xffffffff)
000000004fdf7935: 0000000041b58ab3 (0x41b58ab3)
000000000c8b298f: ffffffff88799b78 (K512_4+0xae38/0x11504c)
00000000a919a145: ffff8801b6927c7c (0xffff8801b6927c7c)
0000000037ce4e0e: 0000000000000074 (0x74)
00000000233faff6: 0000000000000000 ...
000000001da6f311: ffff8801b69277c8 (0xffff8801b69277c8)
00000000a808cf0c: ffffffff81b2bfb1 (memset+0x31/0x40)
000000001a2ee93d: 1ffff10036d24f01 (0x1ffff10036d24f01)
000000004001a890: ffff8801b64267a0 (0xffff8801b64267a0)
000000003a01f427: 0000000000000000 ...
0000000042d4353c: 1ffff10036d24f0e (0x1ffff10036d24f0e)
000000004dacf617: ffff8801b64268f8 (0xffff8801b64268f8)
0000000016894a63: ffff8801bde57c60 (0xffff8801bde57c60)
000000001d95b3d4: ffff8801bde57c60 (0xffff8801bde57c60)
00000000ecb3a382: 0000000000000000 ...
00000000251788a4: ffff8801b6927838 (0xffff8801b6927838)
00000000b847149c: ffffffff815adef6 (find_held_lock+0x36/0x1c0)
000000006e73f991: 00000001b6927810 (0x1b6927810)
00000000d157f43e: ffff8801b6927890 (0xffff8801b6927890)
00000000915d4ffa: 1ffff10036d24f0e (0x1ffff10036d24f0e)
00000000b9e8f598: ffff8801b6927950 (0xffff8801b6927950)
000000003d824b0e: ffff8801bde57c60 (0xffff8801bde57c60)
000000008b7541cd: ffff8801b6426080 (0xffff8801b6426080)
00000000451cf487: ffff8801b6927890 (0xffff8801b6927890)
0000000080b35fe4: ffff8801b6927978 (0xffff8801b6927978)
0000000096553d52: 0000000000000082 (0x82)
00000000b137d2ae: 0000000041b58ab3 (0x41b58ab3)
000000004753f7f6: ffffffff00000001 (0xffffffff00000001)
000000004412b165: ffff8801b64268f0 (0xffff8801b64268f0)
00000000655d2bad: 0000000000000082 (0x82)
00000000e19eb353: ffffffff00000001 (0xffffffff00000001)
0000000050fad5f4: 0000000041b58ab3 (0x41b58ab3)
00000000182aa8ff: ffffffff88795448 (K512_4+0x6708/0x11504c)
00000000ff03d9dc: ffffffff815bcb90 (lock_downgrade+0x8e0/0x8e0)
00000000a00d5231: dffffc0000000000 (0xdffffc0000000000)
000000001e9689c3: 0000000000000000 ...
000000008321fcec: 0000000000000282 (0x282)
00000000b214deeb: ffff8801bde57c60 (0xffff8801bde57c60)
000000007f569a16: 1ffff10036d24f21 (0x1ffff10036d24f21)
00000000e62636b8: 1ffff10036d24f1e (0x1ffff10036d24f1e)
00000000da06da12: 0000000000000000 ...
000000000b79d66b: ffff8801b6927968 (0xffff8801b6927968)
000000005cf2b3c4: ffff8801b5429400 (0xffff8801b5429400)
0000000021c53450: 0000000000000004 (0x4)
000000002cc42044: ffff8801b542949c (0xffff8801b542949c)
0000000064444088: ffff8801b6927990 (0xffff8801b6927990)
00000000e646182c: ffffffff8146ba1f (do_group_exit+0x16f/0x430)
00000000f5be336d: 0000000041b58ab3 (0x41b58ab3)
0000000074332ee9: ffffffff8877a7f4 (regoff.33541+0x34f4d4/0x361be0)
0000000023e4f882: ffffffff815cd1d0 (do_raw_spin_trylock+0x1b0/0x1b0)
00000000c9a33e38: 0000000041b58ab3 (0x41b58ab3)
000000008fe0d1dc: ffffffff8877a536 (regoff.33541+0x34f216/0x361be0)
00000000b8ff3554: ffffffff8146b8b0 (SyS_exit+0x30/0x30)
00000000afd6a126: ffff8801b6426080 (0xffff8801b6426080)
000000001946004c: ffffffff874fafd7 (_raw_spin_unlock_irq+0x27/0x70)
00000000e2573943: 0000000000000000 ...
000000001373f360: 0000000000000009 (0x9)
0000000079b046d0: 0000000000000000 ...
00000000580de57d: ffff8801b6927968 (0xffff8801b6927968)
000000006c180305: ffffffff815b5981 (trace_hardirqs_on_caller+0x421/0x5c0)
00000000d9e7192a: ffff8801bde57c48 (0xffff8801bde57c48)
00000000817caa0c: ffff8801b6426080 (0xffff8801b6426080)
00000000eb458384: dffffc0000000000 (0xdffffc0000000000)
00000000a3b597ad: 0000000000000000 ...
0000000036420b8f: 0000000000000009 (0x9)
00000000f47fcd23: 0000000000000000 ...
0000000032b91d26: ffff8801b6927b40 (0xffff8801b6927b40)
00000000a3c888d9: ffffffff8149f7b6 (get_signal+0x886/0x1960)
000000002680d2bc: 1ffff10036d24f3f (0x1ffff10036d24f3f)
00000000aa5ed27b: ffffed0036d24f5b (0xffffed0036d24f5b)
000000000f47fb7e: ffff8801b6927c50 (0xffff8801b6927c50)
000000006ba9b75b: 0000000000000108 (0x108)
000000001714b670: ffff8801b542949c (0xffff8801b542949c)
00000000568cfda4: ffff8801bde57c48 (0xffff8801bde57c48)
0000000033b309b7: ffff8801b5429400 (0xffff8801b5429400)
00000000f64abbcc: ffffffff00000004 (0xffffffff00000004)
00000000d03627fc: 00000008b0a7d280 (0x8b0a7d280)
00000000632d6607: ffff8801bde57440 (0xffff8801bde57440)
00000000f39da404: ffff8801b6927c70 (0xffff8801b6927c70)
00000000e7c0f4d4: 0000000041b58ab3 (0x41b58ab3)
00000000f5ef9032: ffffffff8877f5d0 (regoff.33541+0x3542b0/0x361be0)
00000000ad9e8ca3: ffffffff8149ef30 (ptrace_notify+0x130/0x130)
00000000cbbc35d4: 00000000b5084580 (0xb5084580)
000000001c517ab3: 1ffff10000000000 (0x1ffff10000000000)
0000000007a3d1f8: ffff8801b0a7d080 (0xffff8801b0a7d080)
000000005f94b941: 1ffff10036d24f4d (0x1ffff10036d24f4d)
00000000ca85e1a2: ffff8801db123600 (0xffff8801db123600)
000000007ca94a37: ffff8801db123610 (0xffff8801db123610)
00000000500741c7: ffff8801b6927a50 (0xffff8801b6927a50)
0000000043b3dd0c: ffffffff81b2b931 (kasan_check_read+0x11/0x20)
0000000030a5369a: ffff8801b6927af0 (0xffff8801b6927af0)
000000001af65682: ffffffff81630255 (rcu_is_watching+0x85/0x140)
000000005f205335: ffff8801b6927ab0 (0xffff8801b6927ab0)
000000000a4c4f35: 0000000041b58ab3 (0x41b58ab3)
00000000f9ec48fa: ffffffff8877a7f4 (regoff.33541+0x34f4d4/0x361be0)
000000003cef9a15: ffffffff816301d0 (rcu_bh_force_quiescent_state+0x20/0x20)
000000001b157fc9: ffffffff88b8db60 (rcu_bh_lock_map+0x40/0x40)
00000000ed7a3585: 0000000000000000 ...
0000000065dafba1: ffff8801b6426080 (0xffff8801b6426080)
00000000f4dbdefc: ffffffff88b8db60 (rcu_bh_lock_map+0x40/0x40)
00000000c02a088a: ffff8801b6927c28 (0xffff8801b6927c28)
00000000b206e1c4: ffff8801b670d780 (0xffff8801b670d780)
000000002dd477e7: ffff8801b6927ae0 (0xffff8801b6927ae0)
00000000813f2aaf: 0000000000000282 (0x282)
00000000451bad51: dffffc0000000000 (0xdffffc0000000000)
0000000005364b5f: 0000000000000001 (0x1)
000000007f1984da: ffff8801ba328570 (0xffff8801ba328570)
000000003742eb26: 0000000000000000 ...
000000003f91e4e1: 0000000000000001 (0x1)
00000000e757ed58: ffff8801b6927c50 (0xffff8801b6927c50)
00000000fde24c1f: ffffffff81c421ac (__fget+0x40c/0x650)
0000000032901faa: ffff8801b6927ba8 (0xffff8801b6927ba8)
000000000b55281c: 1ffff10036d24f69 (0x1ffff10036d24f69)
00000000e5d5d0da: 0000000600004000 (0x600004000)
000000001d38bd4b: 1ffff10036d24f76 (0x1ffff10036d24f76)
00000000bb5baffb: ffff8801b6927f58 (0xffff8801b6927f58)
000000004a9fffaf: ffff8801b6927c50 (0xffff8801b6927c50)
0000000018de0f2a: fffffbfff11630de (0xfffffbfff11630de)
00000000769d0e61: dffffc0000000000 (0xdffffc0000000000)
00000000851b5266: ffff8801b6927d58 (0xffff8801b6927d58)
0000000032afddc3: ffffffff8128e658 (do_signal+0x98/0x2040)
000000001001371d: ffffffff8877a458 (regoff.33541+0x34f138/0x361be0)
00000000cdf2ef6e: ffffffff81c41da0 (expand_files.part.8+0x9a0/0x9a0)
00000000ad16912d: ffffffff81c4271f (__fget_light+0x2ef/0x430)
000000002cec9667: 0000000000000001 (0x1)
00000000e77e8c54: 00004000b6927b80 (0x4000b6927b80)
000000002858ddd7: ffffffff00000004 (0xffffffff00000004)
00000000c3f31fec: 0000000000000000 ...
00000000664b8afa: ffffffff8877c1b0 (regoff.33541+0x350e90/0x361be0)
00000000f29f7886: ffffffff81c42430 (fget_raw+0x20/0x20)
00000000fcc96faa: 0000000000000000 ...
000000004d529b0a: ffff880100000004 (0xffff880100000004)
00000000eb07e322: ffff8801b670d7d8 (0xffff8801b670d7d8)
000000001f87eb1a: 0000000041b58ab3 (0x41b58ab3)
000000003b6b76b6: ffffffff88786b88 (regoff.33541+0x35b868/0x361be0)
00000000ae923bf5: ffffffff8128e5c0 (setup_sigcontext+0x7d0/0x7d0)
000000004372b5ca: 1ffff1000000868d (0x1ffff1000000868d)
00000000dfc5cc78: ffff8801b6927c08 (0xffff8801b6927c08)
00000000787bc88f: ffffffff81773ed3 (__sanitizer_cov_trace_switch+0x53/0x90)
00000000d6eb46f4: ffff8801ba328500 (0xffff8801ba328500)
000000009119d5f9: 1ffff10036d24f8a (0x1ffff10036d24f8a)
0000000011ab1959: ffffffff81070480  
(kvm_uevent_notify_change.part.29+0x440/0x440)
000000009692652f: ffff8801b6927c08 (0xffff8801b6927c08)
00000000acf8cda8: ffffffff81773e56  
(__sanitizer_cov_trace_const_cmp4+0x16/0x20)
00000000eb1879b4: ffff8801b6927d98 (0xffff8801b6927d98)
00000000ec3ade39: ffffffff81c11b02 (do_vfs_ioctl+0x1f2/0x1650)
000000000518f011: fffffbfff11630de (0xfffffbfff11630de)
00000000b60713b5: 0000000000000008 (0x8)
0000000016550fb3: 1ffff10036d24f8f (0x1ffff10036d24f8f)
00000000344b0ab6: ffff8801b6927d58 (0xffff8801b6927d58)
00000000fad44678: 0000000000000006 (0x6)
00000000d09231ef: dffffc0000000000 (0xdffffc0000000000)
00000000079e0ed4: 0000000000000000 ...
0000000032c443a7: 0000000041b58ab3 (0x41b58ab3)
00000000ea4c1786: ffffffff887ae140 (K512_4+0x1f400/0x11504c)
000000005f40d323: ffffffff81c11910 (ioctl_preallocate+0x2e0/0x2e0)
000000002f3bc5c2: 00004000b6927d20 (0x4000b6927d20)
000000006cc1b677: 0000000000000009 (0x9)
00000000a13fca9c: 0000000000000000 ...
00000000cda9b73f: ffff8801b6927e00 (0xffff8801b6927e00)
00000000778ed6c4: ffff8801b6927e00 (0xffff8801b6927e00)
00000000909b513d: ffff8801b6426080 (0xffff8801b6426080)
00000000e213d6b7: ffffffff8100aa27 (exit_to_usermode_loop+0x87/0x310)
00000000b5fd414e: ffff8801b6927dd8 (0xffff8801b6927dd8)
000000001a3da606: fffffbfff11630de (0xfffffbfff11630de)
000000007d72aa11: 1ffff10036d24fdc (0x1ffff10036d24fdc)
00000000da2e83e5: edf570ab9e94ab00 (0xedf570ab9e94ab00)
00000000365210ff: 0000000000000004 (0x4)
00000000e944b989: dffffc0000000000 (0xdffffc0000000000)
0000000021c9c000: ffff8801b6927dd8 (0xffff8801b6927dd8)
00000000bd3b9891: fffffbfff11630de (0xfffffbfff11630de)
000000008702cecc: 0000000000000004 (0x4)
00000000099bb7c9: ffff8801b6927e00 (0xffff8801b6927e00)
000000005f25ce70: ffffffff8100ac2a (exit_to_usermode_loop+0x28a/0x310)
000000003eb14a34: 1ffff10036d24faf (0x1ffff10036d24faf)
000000000c3ea6d0: ffff8801b6927f58 (0xffff8801b6927f58)
00000000f187ca11: 0000000041b58ab3 (0x41b58ab3)
00000000eafd4ce1: ffffffff8877a536 (regoff.33541+0x34f216/0x361be0)
000000004baac634: ffffffff8100a9a0 (syscall_slow_exit_work+0x4f0/0x4f0)
0000000007212dce: ffff8801b64268f0 (0xffff8801b64268f0)
000000007aaf909b: ffff8801b6927dd8 (0xffff8801b6927dd8)
00000000c1bbae9e: ffffffff81c12fe1 (ksys_ioctl+0x81/0xd0)
0000000084a7b3ec: ffff8801b6426080 (0xffff8801b6426080)
00000000ad7fe0ef: ffffffff8100c1a7 (do_syscall_64+0xb7/0x9d0)
000000005d9603bd: 1ffff10036d24fc8 (0x1ffff10036d24fc8)
00000000c55b2d3b: ffff8801b6927f20 (0xffff8801b6927f20)
0000000081540202: ffff8801b6426080 (0xffff8801b6426080)
0000000022810699: 0000000000000082 (0x82)
00000000e420d015: ffff8801b6927f58 (0xffff8801b6927f58)
000000001d5f1616: ffff8801b6426080 (0xffff8801b6426080)
000000007eda8217: 1ffff10036d24fc8 (0x1ffff10036d24fc8)
00000000ed736b5a: 0000000000000004 (0x4)
000000007c5c83de: 1ffff10036d24fdc (0x1ffff10036d24fdc)
000000002fa0a98e: ffff8801b6927f48 (0xffff8801b6927f48)
000000007f93063e: ffffffff8100c882 (do_syscall_64+0x792/0x9d0)
000000005ac85cea: 0000000000000000 ...
000000009e408f89: ffff8801d9820680 (0xffff8801d9820680)
0000000019e283c0: ffff8801b6927e30 (0xffff8801b6927e30)
00000000b2eaba4a: ffffffff81b2b954 (kasan_check_write+0x14/0x20)
00000000cbf42a19: ffff8801b6927f28 (0xffff8801b6927f28)
00000000d224b54a: 0000000000000004 (0x4)
000000003ea42119: 0000000041b58ab3 (0x41b58ab3)
0000000034f11f35: ffffffff8877a458 (regoff.33541+0x34f138/0x361be0)
0000000008bf464e: ffffffff8100c0f0 (syscall_return_slowpath+0x5c0/0x5c0)
00000000230f3248: ffff8801b6927e68 (0xffff8801b6927e68)
0000000064bc1a61: 0000000000000000 ...
00000000273d94c6: ffff8801b6927f48 (0xffff8801b6927f48)
00000000e0145959: ffffffff8100be3f (syscall_return_slowpath+0x30f/0x5c0)
00000000865bd486: ffff8801b6927f58 (0xffff8801b6927f58)
00000000347f4278: 0000000041b58ab3 (0x41b58ab3)
00000000b907c106: ffffffff88779b87 (regoff.33541+0x34e867/0x361be0)
00000000c873135f: ffff8801b64268f0 (0xffff8801b64268f0)
0000000071c1d202: 0000000000000000 ...
000000001385a86a: 0000000000000004 (0x4)
0000000025fc6d57: ffff8801b6426080 (0xffff8801b6426080)
0000000086ff40c7: ffffffff87600096  
(entry_SYSCALL_64_after_hwframe+0x52/0xb7)
0000000080925f36: 0000000000000000 ...
00000000bf5bc4bd: 0000000000000082 (0x82)
000000004d6f3dd4: 0000000000000000 ...
000000009e972abe: 0000000000000004 (0x4)
00000000a5b80fec: 0000000000000000 ...
000000002797f630: ffff8801b6927f48 (0xffff8801b6927f48)
000000009c10e9a3: ffffffff81007c65 (trace_hardirqs_off_thunk+0x1a/0x1c)
000000005446c82f: 0000000000000000 ...
00000000a4661e40: ffffffff87600086  
(entry_SYSCALL_64_after_hwframe+0x42/0xb7)
00000000c650c8f3: 000000000000000e (0xe)
00000000df0d90a1: 00007f1ec86b69c0 (0x7f1ec86b69c0)
0000000056c49c3a: 00007ffff21279cf (0x7ffff21279cf)
00000000cd0ac256: 0000000000000000 ...
00000000ca3e9341: 00000000006e7a18 (0x6e7a18)
0000000007c26757: 00000000006e7a1c (0x6e7a1c)
000000008f20a3d3: 0000000000000246 (0x246)
00000000710adae9: 0000000000000000 ...
000000008d5849b0: fffffffffffffe00 (0xfffffffffffffe00)
00000000936bdb17: 000000000044b7e9 (0x44b7e9)
00000000bedfb6dd: 0000000000000000 ...
000000003c7b70f8: 00000000006e7a1c (0x6e7a1c)
000000000639d35a: 00000000000000ca (0xca)
000000009d88febd: 000000000044b7e9 (0x44b7e9)
000000003c5cc12b: 0000000000000033 (0x33)
0000000019f24b2e: 0000000000000246 (0x246)
000000001af3bf3a: 00007f1ec86b5cf8 (0x7f1ec86b5cf8)
000000008a033d74: 000000000000002b (0x2b)

The buggy address belongs to the page:
page:ffffea0006da49c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
raw: 0000000000000000 ffffea0006da0101 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
  ffff8801b6927180: 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2
  ffff8801b6927200: 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f3 f3 f3 f3
> ffff8801b6927280: f2 f2 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f3 f3
                                                        ^
  ffff8801b6927300: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  ffff8801b6927380: 00 00 00 f1 f1 f1 f1 04 f2 f2 f2 f2 f2 f2 f2 04
==================================================================


---
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