usercopy: kernel memory overwrite attempt detected to 00000000f983af5d (kmalloc-128) (4068 bytes)
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kernel BUG at mm/usercopy.c:72!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 2092 Comm: modprobe Not tainted 4.15.0-rc2+ #123
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:report_usercopy mm/usercopy.c:64 [inline]
RIP: 0010:__check_object_size+0x3a2/0x4f0 mm/usercopy.c:264
RSP: 0018:ffff88019a917c30 EFLAGS: 00010286
RAX: 0000000000000061 RBX: ffffffff85328c40 RCX: 0000000000000000
RDX: 0000000000000061 RSI: 1ffff10033522f46 RDI: ffffed0033522f7a
RBP: ffff88019a917d20 R08: ffff88019a917498 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85328c00
R13: ffff8801d0f8badc R14: 0000000000000fe4 R15: ffffea000743e2c0
FS:  00007f1a7210b700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000209fa000 CR3: 00000001bcbb3000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 check_object_size include/linux/thread_info.h:112 [inline]
 strncpy_from_user+0xf4/0x430 lib/strncpy_from_user.c:116
 getname_flags+0x10e/0x580 fs/namei.c:149
 getname+0x19/0x20 fs/namei.c:209
 do_sys_open+0x2e7/0x6d0 fs/open.c:1053
 SYSC_open fs/open.c:1077 [inline]
 SyS_open+0x2d/0x40 fs/open.c:1072
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x7f1a71a23120
RSP: 002b:00007ffe2343eaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055fbee851090 RCX: 00007f1a71a23120
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffe2343ebe0
RBP: 00007ffe2343fc80 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbee851090
R13: 00007ffe23440cd0 R14: 0000000000000000 R15: 0000000000000000
Code: 48 0f 44 da e8 a0 70 c2 ff 48 8b 85 28 ff ff ff 4d 89 f1 4c 89 e9 4c 89 e2 48 89 de 48 c7 c7 00 8d 32 85 49 89 c0 e8 a6 2e ac ff <0f> 0b 48 c7 c0 c0 8a 32 85 eb 96 48 c7 c0 00 8b 32 85 eb 8d 48 
RIP: report_usercopy mm/usercopy.c:64 [inline] RSP: ffff88019a917c30
RIP: __check_object_size+0x3a2/0x4f0 mm/usercopy.c:264 RSP: ffff88019a917c30
---[ end trace 808a8389bc704d80 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..