Unknown ioctl -1073195748
==================================================================
BUG: KASAN: stack-out-of-bounds in do_general_protection+0x2ac/0x2f0 arch/x86/kernel/traps.c:539
Read of size 8 at addr ffff88019b057358 by task syz-executor1/7264

CPU: 0 PID: 7264 Comm: syz-executor1 Not tainted 4.18.0-rc5-next-20180719+ #11
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+0x1c9/0x2b4 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+0x242/0x30d mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 do_general_protection+0x2ac/0x2f0 arch/x86/kernel/traps.c:539
 general_protection+0x1e/0x30 arch/x86/entry/entry_64.S:1163
RIP: 0010:msr_write_intercepted arch/x86/kvm/vmx.c:2338 [inline]
RIP: 0010:vmx_vcpu_run+0x131a/0x2600 arch/x86/kvm/vmx.c:10184
Code: 00 00 10 89 de e8 86 60 5d 00 85 db 0f 84 91 00 00 00 e8 69 5f 5d 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 8c 10 00 00 48 8b 04 24 48 8b 98 40 57 00 00 48 
RSP: 0018:ffff88019b057370 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000010000000 RCX: ffffc90002417000
RDX: 0f3ac4d451a01940 RSI: ffffffff811f4757 RDI: 0000000000000005
RBP: ffffffff8901de80 R08: ffff880195e0a500 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
WARNING: kernel stack regs at 00000000f5a4c130 in syz-executor1:7264 has bad 'bp' value 000000007aa7e944
unwind stack type:0 next_sp:          (null) mask:0x2 graph_idx:0
000000004fa5a816: ffff88019b057128 (0xffff88019b057128)
0000000070eb4ffc: ffffffff812a9d65 (show_trace_log_lvl+0x1f6/0x28c)
0000000096008ac4: ffffffff811f476a (vmx_vcpu_run+0x131a/0x2600)
00000000db16d1e7: ffff88019b057348 (0xffff88019b057348)
00000000eae2adab: 0000000000000002 (0x2)
000000007ad714bd: 0000000000000001 (0x1)
00000000e071b57e: ffff88019b050000 (0xffff88019b050000)
0000000038ba30b1: ffff88019b058000 (0xffff88019b058000)
00000000df35f659: 0000000000000000 ...
0000000022b4b25f: ffff88019b050000 (0xffff88019b050000)
00000000193d894c: ffff88019b058000 (0xffff88019b058000)
00000000158499d0: 0000000000000000 ...
00000000bd408241: 0000000000000002 (0x2)
000000000b6bb6ba: ffff880195e0a500 (0xffff880195e0a500)
00000000b23fdf1c: 0000010100000000 (0x10100000000)
00000000c9be655e: 0000000000000000 ...
00000000bb2ac1b3: ffff88019b057058 (0xffff88019b057058)
000000004ed43d74: ffffffff811f476a (vmx_vcpu_run+0x131a/0x2600)
0000000003f2a55a: ffff88019b0572c8 (0xffff88019b0572c8)
000000005285fae9: 79d626a28d00ca00 (0x79d626a28d00ca00)
0000000079915494: 0000000000000016 (0x16)
00000000cac677f0: 0000000000000000 ...
0000000027815255: ffffffff88f1b2a0 (pv_cpu_ops+0x120/0x120)
000000002f30af4b: 00000000ffffffff (0xffffffff)
00000000ae59d648: ffff88019b057138 (0xffff88019b057138)
00000000f6c8c41d: ffffffff812a9e33 (show_stack+0x38/0x3a)
000000002b1a9a5d: ffff88019b0571e8 (0xffff88019b0571e8)
00000000556deae6: ffffffff879714a5 (dump_stack+0x1c9/0x2b4)
000000006fde2ab8: fffffbfff11e3654 (0xfffffbfff11e3654)
00000000963465f8: dffffc0000000000 (0xdffffc0000000000)
00000000b4e7a4fe: 1ffff1003360ae2c (0x1ffff1003360ae2c)
00000000abedf8b8: 0000000041b58ab3 (0x41b58ab3)
00000000b5d0bf97: ffffffff88bd241c (regoff.33772+0x35c85c/0x36f450)
00000000bcb9dfee: ffffffff879712dc (dump_stack_print_info.cold.2+0x52/0x52)
00000000c0b4ed7b: ffffffff816362bb (printk+0xa7/0xcf)
00000000b9ac0533: 0000000041b58ab3 (0x41b58ab3)
000000001314b5e1: ffffffff88be8584 (K512_4+0x1344/0x122d2c)
00000000d411f1af: ffffffff81636214 (kmsg_dump_rewind_nolock+0xe4/0xe4)
0000000012a1c96f: ffffffff8902b0a0 (kmem_cache_boot+0x320/0x320)
0000000070352e0a: ffffffff00000008 (0xffffffff00000008)
00000000bc3008a7: ffff88019b057230 (0xffff88019b057230)
00000000a045fe26: ffff88019b0571e0 (0xffff88019b0571e0)
00000000f88389d1: 79d626a28d00ca00 (0x79d626a28d00ca00)
0000000009ed1b7d: ffffea00066c15c0 (0xffffea00066c15c0)
00000000a5f7fc9f: 0000000000000008 (0x8)
000000008528a365: ffff88019b057358 (0xffff88019b057358)
00000000584f863d: ffffffff8129d80c (do_general_protection+0x2ac/0x2f0)
0000000052a99b74: ffff88019b057358 (0xffff88019b057358)
00000000bbb5efdc: ffff88019b057220 (0xffff88019b057220)
0000000058b5d70a: ffffffff81bb74b4 (print_address_description+0x6c/0x20b)
000000007f56131d: ffff88019b057358 (0xffff88019b057358)
00000000bed94ee5: 0000000000000008 (0x8)
00000000f7a21da9: 0000000000000000 ...
00000000a1308b31: ffffffff8129d80c (do_general_protection+0x2ac/0x2f0)
0000000013a667b0: ffff88019b057358 (0xffff88019b057358)
000000006907e454: ffff88019b057268 (0xffff88019b057268)
00000000a814d882: ffffffff81bb7895 (kasan_report.cold.7+0x242/0x30d)
0000000038ce0363: 0000000000000082 (0x82)
00000000729b0fbe: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000bc5810b9: ffff88019b0572c8 (0xffff88019b0572c8)
00000000255b5376: 0000000000000000 ...
00000000b2eb3b2f: ffff88019b057278 (0xffff88019b057278)
00000000d94d498e: ffffffff81bb7174 (__asan_report_load8_noabort+0x14/0x20)
00000000fb1adbce: ffff88019b0572b8 (0xffff88019b0572b8)
00000000322436ed: ffffffff8129d80c (do_general_protection+0x2ac/0x2f0)
0000000008b2fd67: 0000000087a00a07 (0x87a00a07)
0000000047ad0675: 0000000000000001 (0x1)
0000000035e023ce: 0000000000000000 ...
0000000060baa19d: ffff88019b0572c9 (0xffff88019b0572c9)
00000000abe224bb: ffffffff87a00f9e (general_protection+0x1e/0x30)
00000000f5a4c130: 0000000000000000 ...
00000000aedb4b52: ffffffff8901de80 (vmap_area_list+0x40/0x40)
0000000051675072: 0000000010000000 (0x10000000)
000000008bc56334: 0000000000000000 ...
000000006f39262d: ffff880195e0a500 (0xffff880195e0a500)
000000009c1fd6a6: dffffc0000000000 (0xdffffc0000000000)
00000000bcd07132: ffffc90002417000 (0xffffc90002417000)
00000000604830a4: 0f3ac4d451a01940 (0xf3ac4d451a01940)
0000000024b41107: ffffffff811f4757 (vmx_vcpu_run+0x1307/0x2600)
00000000ba463bb0: 0000000000000005 (0x5)
00000000aed11086: ffffffffffffffff (0xffffffffffffffff)
000000006a2b936c: ffffffff811f476a (vmx_vcpu_run+0x131a/0x2600)
0000000001636d5f: 0000000000000010 (0x10)
000000003696df3f: 0000000000010002 (0x10002)
000000009d822b01: ffff88019b057370 (0xffff88019b057370)
000000001b5145cb: 0000000000000018 (0x18)
00000000a79313a8: 00000000ffffffff (0xffffffff)
000000003d06e862: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000007de92df7: ffff8801c5092e08 (0xffff8801c5092e08)
00000000e5c18345: ffffc900122d4000 (0xffffc900122d4000)
00000000910aec4c: ffffc900122d4000 (0xffffc900122d4000)
000000003aa59159: ffff8801c5092e00 (0xffff8801c5092e00)
0000000050a2cac9: ffffc900122d2000 (0xffffc900122d2000)
0000000060f9ae16: ffff88019b0574b0 (0xffff88019b0574b0)
00000000c04248ef: ffffffff81b24e7a (alloc_vmap_area+0x6aa/0xa70)
000000009589effe: 1ffff1003360ae85 (0x1ffff1003360ae85)
00000000addc5e70: ffff8801c5092e00 (0xffff8801c5092e00)
00000000208163b7: ffffed003360ae89 (0xffffed003360ae89)
00000000e9af1b66: 006080c0d9675340 (0x6080c0d9675340)
00000000eceb33ae: ffff88019b057448 (0xffff88019b057448)
000000008f81f7ce: 0000000000bb6704 (0xbb6704)
000000006f074a4f: 0000000000000001 (0x1)
00000000238ae540: ffffc90000000000 (0xffffc90000000000)
0000000047268962: 0000000000000000 ...
000000000e63bea8: 0000000000001000 (0x1000)
00000000777455e0: ffffc900122d4000 (0xffffc900122d4000)
000000004e58b233: ffffffffffffffff (0xffffffffffffffff)
0000000059edb41d: 0000000000002000 (0x2000)
00000000af11870f: ffffe8ffffffffff (0xffffe8ffffffffff)
000000007b0e5570: 0000000041b58ab3 (0x41b58ab3)
00000000c8fa555f: ffffffff88c01a83 (K512_4+0x1a843/0x122d2c)
000000006247446e: ffffffff81b247d0 (purge_vmap_area_lazy+0x40/0x40)
000000001b5538dc: 1ffff1003360ae8b (0x1ffff1003360ae8b)
000000003f1b41ac: ffffffff81c4c434 (do_sys_open+0x584/0x720)
000000005b627578: fffffbfff1566bcc (0xfffffbfff1566bcc)
0000000039202545: 0000000041b58ab3 (0x41b58ab3)
0000000074dbbe13: ffffffff88bed4d0 (K512_4+0x6290/0x122d2c)
00000000b2cb36db: ffffffff879e3d30 (wait_for_completion+0x8d0/0x8d0)
000000000b1fd44d: 0000000000000282 (0x282)
0000000098da8d8a: 0000000000000040 (0x40)
00000000bc677822: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000003f90d712: 0000000000002000 (0x2000)
0000000083b28cf6: 0000000000000022 (0x22)
0000000087d4aec8: 0000000000000001 (0x1)
000000003e8a48d2: 00000000ffffffff (0xffffffff)
0000000031eba8b4: ffff8801d9675300 (0xffff8801d9675300)
0000000058a880d5: ffff88019b057500 (0xffff88019b057500)
00000000e01fbd0f: ffffffff81b253be (__get_vm_area_node+0x17e/0x390)
00000000a165180d: 0000000000000000 ...
0000000033bf765d: ffffe8ffffffffff (0xffffe8ffffffffff)
0000000061601048: ffffc90000000000 (0xffffc90000000000)
000000004b0bb8d6: 0000000000001000 (0x1000)
0000000063704108: 0000000000000c80 (0xc80)
00000000d79de918: 000000000018cf48 (0x18cf48)
00000000a8a61891: 00000000006080c0 (0x6080c0)
00000000f05c9804: ffffe8ffffffffff (0xffffe8ffffffffff)
00000000beaadad1: ffff88019b0575a0 (0xffff88019b0575a0)
00000000a247606b: ffffffff81b29514 (__vmalloc_node_range+0xc4/0x760)
00000000379bbca1: 00000000006080c0 (0x6080c0)
00000000279321f5: ffffffff811a64c8 (kvm_dev_ioctl_get_cpuid+0x1b8/0xe62)
00000000a1a1dc5e: ffffffff00000000 (0xffffffff00000000)
000000004de87ae3: 1ffff1003360aec6 (0x1ffff1003360aec6)
000000000132cbb9: 1ffff1003360aea8 (0x1ffff1003360aea8)
000000008fb14c73: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000005b955543: 8000000000000163 (0x8000000000000163)
000000000f91baf7: 1ffff1003360aeb9 (0x1ffff1003360aeb9)
000000000bfad603: ffff880195e0a500 (0xffff880195e0a500)
0000000093b4ae49: ffff88019b057698 (0xffff88019b057698)
000000001f21b714: ffffc90000000000 (0xffffc90000000000)
000000001b4d3bdd: 0000000000000001 (0x1)
0000000026c286e2: 006080c09b057690 (0x6080c09b057690)
00000000c78b8106: 0000000000000c80 (0xc80)
00000000db928821: ffffffff811a64c8 (kvm_dev_ioctl_get_cpuid+0x1b8/0xe62)
00000000cc3a85d0: 0000000000000050 (0x50)
00000000e6374a8f: ffff88019b0577b8 (0xffff88019b0577b8)
00000000e7e3965e: 0000000000000000 ...
00000000f0be36c8: ffff88019b0575d8 (0xffff88019b0575d8)
00000000130e9c76: ffffffff81b2a16f (vzalloc+0x6f/0x80)
0000000076cf3bbc: 0000000000000000 ...
00000000869e49c7: ffffffffffffffff (0xffffffffffffffff)
00000000683a87b7: ffffffff811a64c8 (kvm_dev_ioctl_get_cpuid+0x1b8/0xe62)
00000000d72314ad: 00000000c008ae05 (0xc008ae05)
000000000cdfbdb6: 1ffff1003360aed3 (0x1ffff1003360aed3)
000000006f23b7e0: ffff88019b057700 (0xffff88019b057700)
00000000c9d390ca: ffffffff811a64c8 (kvm_dev_ioctl_get_cpuid+0x1b8/0xe62)
00000000bf2a8f3b: 1ffff1003360aec7 (0x1ffff1003360aec7)
0000000052eaa81d: 00007fde09ee3838 (0x7fde09ee3838)
000000003e6453a6: 0000000041b58ab3 (0x41b58ab3)
00000000b2b430a7: ffffffff88bd179f (regoff.33772+0x35bbdf/0x36f450)
00000000cc5a690a: ffffffff815f6fd0 (lock_release+0xa30/0xa30)
00000000d966e992: 0000000000000282 (0x282)
0000000097c1fcdb: c008ae0581ccc118 (0xc008ae0581ccc118)
00000000a1e3b91e: ffff88019b0577b8 (0xffff88019b0577b8)
00000000c73e7885: 0000000000000000 ...
000000008e10df7b: 0000000041b58ab3 (0x41b58ab3)
00000000eeb04549: ffffffff88bdbe5c (regoff.33772+0x36629c/0x36f450)
0000000010b581a4: ffffffff811a6310 (kvm_vcpu_ioctl_get_cpuid2+0x160/0x160)
00000000c3ddef6d: 0000000000000000 ...
00000000707cd86e: ffff880100000000 (0xffff880100000000)
00000000e494a487: 79d626a28d00ca00 (0x79d626a28d00ca00)
0000000047d712c6: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000bc2a8c35: ffff880195e0a500 (0xffff880195e0a500)
00000000d95c6956: ffffffff881a71e0 (__func__.3334+0x320/0x7a0)
0000000092c6efcb: 000000000000000a (0xa)
00000000023ff1fc: 1ffff100356dc251 (0x1ffff100356dc251)
00000000db303e4b: ffffc90002417000 (0xffffc90002417000)
00000000f652401d: ffffc900122d2000 (0xffffc900122d2000)
00000000f1947a79: ffff8801ab6e1298 (0xffff8801ab6e1298)
00000000f85d86a5: 00007fde09ee3830 (0x7fde09ee3830)
00000000bc39613b: ffff88019b0573a8 (0xffff88019b0573a8)
000000008c0d4004: ffffffff81b214ea (__insert_vmap_area+0xda/0x550)
00000000a810c314: ffff8801ab6e1288 (0xffff8801ab6e1288)
00000000d031a487: ffff880195e0a500 (0xffff880195e0a500)
000000004ba045d1: fffffbfff1203bd0 (0xfffffbfff1203bd0)
00000000dcf290ec: fffffbfff1203bd0 (0xfffffbfff1203bd0)
0000000098542c34: ffffffff8901de83 (vmap_area_lock+0x3/0x1020)
00000000a86075db: dffffc0000000000 (0xdffffc0000000000)
0000000083fca338: ffff8801c5092e00 (0xffff8801c5092e00)
000000007d6d8830: ffff8801ab6e1280 (0xffff8801ab6e1280)
00000000c2f65311: ffff8801d8d69e20 (0xffff8801d8d69e20)
00000000dcad122e: ffffffff810eca7b (kvm_arch_dev_ioctl+0x36b/0x610)
000000003fe9b2e3: 1ffff1003360aee9 (0x1ffff1003360aee9)
0000000009296641: 0000000041b58ab3 (0x41b58ab3)
000000007c6e7634: ffffffff88bd8cf0 (regoff.33772+0x363130/0x36f450)
0000000003854e15: 0000000000000000 ...
0000000086ee5223: ffffffff81ccc146 (dput.part.26+0x276/0x7a0)
00000000929847a1: ffff8801c50c50f8 (0xffff8801c50c50f8)
000000002adec629: ffff8801d4f5e340 (0xffff8801d4f5e340)
00000000f06de2d9: 0000000041b58ab3 (0x41b58ab3)
00000000f9cf2783: ffffffff88bd241c (regoff.33772+0x35c85c/0x36f450)
000000008d238c8f: ffffffff81ccbed0 (shrink_dcache_sb+0x350/0x350)
0000000044ab56ec: ffffffff00000000 (0xffffffff00000000)
00000000c1379ed6: ffffffff81c46150 (chown_common+0x730/0x730)
00000000d4eb7f8b: 1ffff1003360aef0 (0x1ffff1003360aef0)
000000003354a92a: 0000000000000000 ...
00000000cd9bc0bb: ffff88019b0579e0 (0xffff88019b0579e0)
000000007444ff51: ffff88019b0579d8 (0xffff88019b0579d8)
00000000ec194411: 1ffff1003360aef6 (0x1ffff1003360aef6)
000000001d51613e: 0000000100000000 (0x100000000)
00000000cb2ffc6e: 0000000000000000 ...
00000000ca9dbe24: ffff88019b057a58 (0xffff88019b057a58)
00000000c150d0c2: 0000000041b58ab3 (0x41b58ab3)
00000000b83264c2: 0000000000000050 (0x50)
00000000c755e054: ffffffff817ca766 (__sanitizer_cov_trace_cmp4+0x16/0x20)
0000000056de27de: ffff88019b057950 (0xffff88019b057950)
000000003049b4a7: ffffffff8188c25e (bpf_prog_kallsyms_find+0xde/0x4c0)
0000000025e585e3: 1ffff1003360af01 (0x1ffff1003360af01)
000000001dc975de: 0000000c9b057f48 (0xc9b057f48)
000000009fff999e: ffff88019b057820 (0xffff88019b057820)
0000000064fde89c: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000007ad8b03e: ffff8801c50c5080 (0xffff8801c50c5080)
00000000ce9eacd5: ffffffffffffffa1 (0xffffffffffffffa1)
000000002e029ac8: 00007fde09ee3830 (0x7fde09ee3830)
00000000638797a5: ffff8801c50c5080 (0xffff8801c50c5080)
000000005974e1ec: 00000000c008ae05 (0xc008ae05)
000000009ad94a62: ffff88019b057c08 (0xffff88019b057c08)
000000009be3544a: ffffffff8107e512 (kvm_dev_ioctl+0x182/0x1b10)
000000000b523a63: ffffffff815f71b4 (lock_acquire+0x1e4/0x540)
00000000f049c435: 0000000000000082 (0x82)
000000000bb4a4f5: ffffffff8188fd8e (is_bpf_text_address+0xae/0x170)
0000000004b340b5: 0000000041b58ab3 (0x41b58ab3)
000000004c4fd96a: ffffffff88bedb20 (K512_4+0x68e0/0x122d2c)
0000000066742185: ffffffff815f65a0 (lock_downgrade+0x8f0/0x8f0)
000000007c13a3a5: ffff88019b057a58 (0xffff88019b057a58)
00000000e2fa98cf: 0000000000000000 ...
000000006dab323a: 000000009b057a28 (0x9b057a28)
000000007665cd6e: 1ffff1003360af10 (0x1ffff1003360af10)
00000000a326cd89: 0000000041b58ab3 (0x41b58ab3)
0000000018b3a098: ffffffff88bd6d88 (regoff.33772+0x3611c8/0x36f450)
00000000247062ad: ffffffff8107e390 (kvm_debugfs_release+0x90/0x90)
00000000b0bbbea9: ffff88019b057f48 (0xffff88019b057f48)
000000008b3cd96a: 1ffff1003360af21 (0x1ffff1003360af21)
0000000066c68726: ffff8801dae236a0 (0xffff8801dae236a0)
0000000049920d5c: 1ffff1003360af1d (0x1ffff1003360af1d)
00000000ebe4a9d9: ffff8801dae236b0 (0xffff8801dae236b0)
000000000be379a9: ffff88019b0578d0 (0xffff88019b0578d0)
00000000288ffc1e: ffffffff81bb6131 (kasan_check_read+0x11/0x20)
00000000a2dd34d0: ffff88019b057970 (0xffff88019b057970)
00000000ba1908a8: ffffffff8166e09c (rcu_is_watching+0x8c/0x150)
000000006aa16fc6: 0000000000000000 ...
000000007d10944a: ffffffff88bd241c (regoff.33772+0x35c85c/0x36f450)
000000004ac636ad: ffffffff8166e010 (rcu_cleanup_dead_rnp+0x200/0x200)
00000000ccdf3c6d: ffff88010008001f (0xffff88010008001f)
0000000067d2ba8d: 79d626a28d00ca00 (0x79d626a28d00ca00)
0000000010b4c5a8: 0000000000000000 ...
00000000995106e6: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000001f7dabbf: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000006c811b50: 0000000000000000 ...
000000007f940b8c: ffff880195e0a500 (0xffff880195e0a500)
00000000fe6d2287: ffff8801c50c5080 (0xffff8801c50c5080)
00000000de1e2b32: ffff88019b057970 (0xffff88019b057970)
00000000877f2233: ffffffff8188fdb7 (is_bpf_text_address+0xd7/0x170)
0000000056d12fc5: 0000000000000000 ...
00000000d6e9f56b: ffff88019b057a20 (0xffff88019b057a20)
00000000a755d251: ffff88019b057990 (0xffff88019b057990)
000000000dfe49ec: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000000d74282e: 1ffff1003360af40 (0x1ffff1003360af40)
000000008e3d8dc2: ffff880195e0a500 (0xffff880195e0a500)
00000000e96d64c2: ffff88019b057ad0 (0xffff88019b057ad0)
00000000c860affa: 0000000000000282 (0x282)
00000000c6f28813: 0000000000000000 ...
00000000def24ec3: ffff88019b057ac8 (0xffff88019b057ac8)
00000000742fc9da: ffffffff815f71b4 (lock_acquire+0x1e4/0x540)
0000000079f0d466: 0000000000000282 (0x282)
00000000b347ec02: ffffffff81ce68ac (__fget+0x4ac/0x740)
0000000062ccf908: 0000000041b58ab3 (0x41b58ab3)
0000000031dc98f0: ffffffff88bedb20 (K512_4+0x68e0/0x122d2c)
00000000c6955547: ffffffff815f65a0 (lock_downgrade+0x8f0/0x8f0)
000000003558f4fa: ffff88019b050000 (0xffff88019b050000)
000000003a389fe2: 0000000000000282 (0x282)
0000000045b3d605: 0000000000000000 ...
00000000e41a12d5: ffffffff88f928a0 (rcu_bh_lock_map+0x40/0x40)
0000000037c4e3e8: 0000000041b58ab3 (0x41b58ab3)
0000000066575f02: ffffffff88bd179f (regoff.33772+0x35bbdf/0x36f450)
000000006a80edda: ffffffff815f6fd0 (lock_release+0xa30/0xa30)
00000000e59b81d0: ffff88019b0579c8 (0xffff88019b0579c8)
0000000021948eab: 0000000000000000 ...
00000000c93f3fb7: ffff88019b057f58 (0xffff88019b057f58)
0000000091fb41c5: 0000000000000000 ...
000000009de53fd4: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000d22872f6: 0000000000400000 (0x400000)
000000000e797be9: ffff8801da977dc0 (0xffff8801da977dc0)
000000005520099a: 0000000000000001 (0x1)
000000002772f1e8: ffff8801cf1c7400 (0xffff8801cf1c7400)
00000000b8106c41: 0000000000000000 ...
00000000638943c3: ffffffff81bb62a9 (save_stack+0xa9/0xd0)
0000000040eb6cd2: 0000004000000009 (0x4000000009)
00000000d56c5d09: ffff88019b057a90 (0xffff88019b057a90)
000000003c37bb02: 0000000000000000 ...
00000000b64e495f: ffffffff81bb6243 (save_stack+0x43/0xd0)
00000000be5157b1: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000d38031e2: 79d626a28d00ca00 (0x79d626a28d00ca00)
000000003414ece3: 0000000000000000 ...
00000000c190958a: ffff8801c50c50f0 (0xffff8801c50c50f0)
00000000553d50d8: dffffc0000000000 (0xdffffc0000000000)
0000000030240b24: 1ffff1003360af69 (0x1ffff1003360af69)
000000007447a7d9: 0000000000000001 (0x1)
000000007512581f: ffff88019b057c70 (0xffff88019b057c70)
0000000081797167: ffffffff81ce68d5 (__fget+0x4d5/0x740)
0000000030d14b04: ffff88019b057b88 (0xffff88019b057b88)
000000001382b847: 1ffff1003360af65 (0x1ffff1003360af65)
00000000a9c601f9: ffff8801d849f450 (0xffff8801d849f450)
00000000c6fd4b49: ffff8801c50c5080 (0xffff8801c50c5080)
00000000ff74d0d6: ffff8801d849f400 (0xffff8801d849f400)
00000000157348bd: 0000001600004000 (0x1600004000)
000000007645037f: ffff88019b057bc8 (0xffff88019b057bc8)
00000000bd19b205: ffffed003360af69 (0xffffed003360af69)
00000000bc1cb6f6: ffffed003360af71 (0xffffed003360af71)
00000000e1f5d896: 0000000041b58ab3 (0x41b58ab3)
00000000f9418386: ffffffff88bf2dd0 (K512_4+0xbb90/0x122d2c)
00000000cabd042f: ffffffff81ce6400 (ksys_dup3+0x690/0x690)
0000000071d95f58: ffffffff81607320 (do_raw_spin_trylock+0x1c0/0x1c0)
0000000097a18509: 0000000000000001 (0x1)
000000003944bace: 0000000000000001 (0x1)
0000000075cf31c7: ffffffff8ac288b0 (obj_hash+0xf25d0/0x100020)
000000007a931c90: ffffffff8ac288b8 (obj_hash+0xf25d8/0x100020)
000000005a93abe3: ffff88019b057b78 (0xffff88019b057b78)
00000000f2ee4a43: ffffffff81bb6154 (kasan_check_write+0x14/0x20)
0000000048ec4e6b: ffff88019b057bb0 (0xffff88019b057bb0)
00000000bc35ae29: ffffffff81607021 (do_raw_spin_lock+0xc1/0x200)
00000000cd08950d: ffff8801c97dc500 (0xffff8801c97dc500)
00000000a5765833: 0000000000000082 (0x82)
0000000069df6bd3: ffffffff8ac288a8 (obj_hash+0xf25c8/0x100020)
0000000024dfa91d: 0000000000000000 ...
000000001eeff233: ffff88019b057bb8 (0xffff88019b057bb8)
0000000006802981: ffffffff815e693d (trace_hardirqs_off+0xd/0x10)
00000000986f871f: ffff88019b057bd8 (0xffff88019b057bd8)
00000000c1faff24: ffffffff879f3713 (_raw_spin_unlock_irqrestore+0x63/0xc0)
000000009019f91b: ffff8801c50c5080 (0xffff8801c50c5080)
000000000d755f12: ffff88019b057c08 (0xffff88019b057c08)
00000000f8788cd4: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000391f46f8: ffff8801c50c5080 (0xffff8801c50c5080)
00000000bcb7c1ab: 1ffff1003360af8a (0x1ffff1003360af8a)
00000000aac2407f: ffffffff8107e390 (kvm_debugfs_release+0x90/0x90)
00000000873da292: ffff8801d4376b40 (0xffff8801d4376b40)
00000000f4af7474: 00000000c008ae05 (0xc008ae05)
000000002660ba09: ffff88019b057db8 (0xffff88019b057db8)
00000000414edb07: ffffffff81cb262e (do_vfs_ioctl+0x1de/0x1720)
000000005ca88ed1: fffffbfff1585114 (0xfffffbfff1585114)
0000000078b52a1f: 00000000000f25c0 (0xf25c0)
0000000062bb3127: ffff8801cf1c6400 (0xffff8801cf1c6400)
0000000053a2bcd5: 0000000000000082 (0x82)
000000007794bf2e: ffff8801da977dc0 (0xffff8801da977dc0)
00000000d16b0d21: 79d626a200002000 (0x79d626a200002000)
0000000095aa2695: 00007fde09ee3830 (0x7fde09ee3830)
00000000a6c921e1: 0000000041b58ab3 (0x41b58ab3)
000000007214da7d: ffffffff88c07610 (K512_4+0x203d0/0x122d2c)
00000000686f6cc1: ffffffff81cb2450 (ioctl_preallocate+0x300/0x300)
0000000005cd35f7: ffff8801d849f400 (0xffff8801d849f400)
0000000077132667: ffff88019b057da0 (0xffff88019b057da0)
0000000095c13c12: ffffffff81ce6e77 (__fget_light+0x2f7/0x440)
0000000082fa49b3: ffff8801cf1c6400 (0xffff8801cf1c6400)
0000000096de57d8: 00004000da977dc0 (0x4000da977dc0)
00000000f6dec478: 0000000000000002 (0x2)
00000000673191e5: 0000000041b58ab3 (0x41b58ab3)
0000000085104643: ffffffff88bd3e00 (regoff.33772+0x35e240/0x36f450)
00000000ab50ac8c: ffffffff81ce6b80 (fget_raw+0x20/0x20)
00000000c083ce76: ffff8801da977dc0 (0xffff8801da977dc0)
00000000c3f390ff: ffff880100000002 (0xffff880100000002)
00000000ea27444b: ffff8801da977dc0 (0xffff8801da977dc0)
000000000de7b93e: ffff88019b057cd8 (0xffff88019b057cd8)
000000008ab960a5: ffffffff815f008d (trace_hardirqs_on+0xd/0x10)
00000000fc36d699: ffff88019b057d08 (0xffff88019b057d08)
0000000099070a3a: ffffffff81bb3a8e (kmem_cache_free+0x22e/0x2d0)
00000000da828de4: ffff8801cf1c6420 (0xffff8801cf1c6420)
00000000b8264705: ffff8801cf1c6400 (0xffff8801cf1c6400)
00000000d7180ad8: ffff8801da977dc0 (0xffff8801da977dc0)
00000000b516042c: ffff8801cf1c6420 (0xffff8801cf1c6420)
000000004b67085f: ffff88019b057d38 (0xffff88019b057d38)
00000000fbc9fa08: ffffffff81ca3ff7 (putname+0xf7/0x130)
00000000ed604f42: 0000000000000016 (0x16)
000000002090b26e: 0000000000000016 (0x16)
000000000a127d09: 0000000000000020 (0x20)
00000000eda0a1b8: ffff8801d4376b40 (0xffff8801d4376b40)
00000000b1e8ebe4: ffff88019b057df8 (0xffff88019b057df8)
00000000718608e0: ffffffff81c4c27b (do_sys_open+0x3cb/0x720)
000000003c5b197e: 00000000ffffff9c (0xffffff9c)
00000000b13710fd: 00000000004baafd (0x4baafd)
000000006bfbcf49: 1ffff1003360afae (0x1ffff1003360afae)
0000000063b4bd35: 0000000000000000 ...
0000000039e42b37: ffff8801c50c5090 (0xffff8801c50c5090)
00000000a349aac8: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000f95bf70b: ffff88019b057db8 (0xffff88019b057db8)
000000004224b441: ffffffff831d2334 (security_file_ioctl+0x94/0xc0)
000000003b108734: 79d626a28d00ca00 (0x79d626a28d00ca00)
00000000d7171088: ffff8801c50c5081 (0xffff8801c50c5081)
0000000018f952ea: ffff8801c50c5080 (0xffff8801c50c5080)
00000000bacb6aee: 0000000000000000 ...
000000009b613fdb: 0000000000000016 (0x16)
00000000b6fb356c: 00007fde09ee3830 (0x7fde09ee3830)
00000000cd7e796e: ffff88019b057df8 (0xffff88019b057df8)
00000000075c829d: ffffffff81cb3c19 (ksys_ioctl+0xa9/0xd0)
0000000094694c54: c008ae058d00ca00 (0xc008ae058d00ca00)
00000000e388886c: ffff88019b057f58 (0xffff88019b057f58)
00000000e85555ec: 1ffff1003360afc8 (0x1ffff1003360afc8)
0000000075ab860c: ffff88019b057f20 (0xffff88019b057f20)
00000000327f99ed: ffff88019b057f58 (0xffff88019b057f58)
00000000805d5631: dffffc0000000000 (0xdffffc0000000000)
00000000b16830af: ffff88019b057e20 (0xffff88019b057e20)
000000005a1bf10c: ffffffff81cb3cb3 (__x64_sys_ioctl+0x73/0xb0)
00000000a5ddba3b: 1ffff1003360afc8 (0x1ffff1003360afc8)
00000000c8bb7daa: ffff88019b057e20 (0xffff88019b057e20)
0000000019f5143e: 0000000000000010 (0x10)
00000000575d5a5a: ffff88019b057f48 (0xffff88019b057f48)
0000000022566d9e: ffffffff8100c4f9 (do_syscall_64+0x1b9/0x820)
0000000058e592f7: ffffffff8153be63 (finish_task_switch+0x1d3/0x870)
00000000f344a9d9: 0000000000000000 ...
00000000e1711686: 0000000041b58ab3 (0x41b58ab3)
00000000b8b3dd54: ffffffff88bd2070 (regoff.33772+0x35c4b0/0x36f450)
00000000bf36cae7: ffffffff8100c340 (syscall_return_slowpath+0x5e0/0x5e0)
00000000ff1a29cb: ffff88019b057e68 (0xffff88019b057e68)
000000009d4a114d: 0000000000000000 ...
00000000679be047: ffff88019b057f48 (0xffff88019b057f48)
00000000c77bb0a4: ffffffff8100c07d (syscall_return_slowpath+0x31d/0x5e0)
00000000ec8a2a9a: ffff88019b057f58 (0xffff88019b057f58)
0000000079262217: 0000000041b58ab3 (0x41b58ab3)
00000000f4c93264: ffffffff88bd179f (regoff.33772+0x35bbdf/0x36f450)
0000000010f6cc0a: ffffffff8100bd60 (prepare_exit_to_usermode+0x3b0/0x3b0)
000000003cbee059: ffff88019b057ea8 (0xffff88019b057ea8)
00000000fa40106b: 0000000000000000 ...
00000000b2d5551b: ffff88019b057f48 (0xffff88019b057f48)
0000000026fa5942: ffffffff8100bc41 (prepare_exit_to_usermode+0x291/0x3b0)
00000000d56a49cd: ffff88019b057f58 (0xffff88019b057f58)
0000000091c84b5e: 0000000041b58ab3 (0x41b58ab3)
0000000045595a73: ffffffff88bd2176 (regoff.33772+0x35c5b6/0x36f450)
000000005d83fc78: ffffffff8100b9b0 (perf_trace_sys_enter+0xb10/0xb10)
00000000b468df22: 0000000000000000 ...
000000002c65e5d1: ffff88019b057f48 (0xffff88019b057f48)
000000003303448c: ffffffff81007d30 (trace_hardirqs_off_thunk+0x1a/0x1c)
0000000034a61a87: 0000000000000000 ...
00000000354e930a: 79d626a28d00ca00 (0x79d626a28d00ca00)
0000000003fee0be: 0000000000000000 ...
0000000057808da6: ffffffff87a0008d (entry_SYSCALL_64_after_hwframe+0x49/0xbe)
00000000f6c39736: 0000000000000000 ...
0000000063c7f1e5: 00000000004d3c18 (0x4d3c18)
0000000060e404bf: 0000000020016000 (0x20016000)
00000000c0e663dd: 0000000000000016 (0x16)
00000000215d9d96: 0000000000000000 ...
00000000d33ccec3: 00007fde09ee3830 (0x7fde09ee3830)
000000003da1fcc0: 0000000000000203 (0x203)
0000000012e8046c: 00000000000000b3 (0xb3)
00000000beb6f33a: 00000000000000a8 (0xa8)
000000008bb30512: 0000000000000090 (0x90)
000000009f19ac63: ffffffffffffffda (0xffffffffffffffda)
00000000a5d655f6: 0000000000455927 (0x455927)
000000001aff971b: 00007fde09ee3830 (0x7fde09ee3830)
000000009855b04d: 00000000c008ae05 (0xc008ae05)
00000000a6684684: 0000000000000016 (0x16)
000000000c3ac94c: 0000000000000010 (0x10)
000000007f179019: 0000000000455927 (0x455927)
0000000073ffd533: 0000000000000033 (0x33)
00000000bc61849f: 0000000000000203 (0x203)
00000000d976e1f7: 00007fde09ee3098 (0x7fde09ee3098)
00000000c850dd10: 000000000000002b (0x2b)

The buggy address belongs to the page:
page:ffffea00066c15c0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 ffffea00066c15c8 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88019b057200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88019b057280: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
>ffff88019b057300: 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00
                                                    ^
 ffff88019b057380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88019b057400: 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 00 00 00
==================================================================