random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
==================================================================
kasan: CONFIG_KASAN_INLINE enabled
BUG: KASAN: stack-out-of-bounds in create_huge_pud mm/memory.c:3893 [inline]
BUG: KASAN: stack-out-of-bounds in __handle_mm_fault+0x3aa3/0x4460 mm/memory.c:4041
Read of size 8 at addr ffff8801ab353d18 by task sshd/4469

CPU: 1 PID: 4469 Comm: sshd Not tainted 4.18.0-rc3+ #130
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
kasan: GPF could be caused by NULL-ptr deref or user memory access
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
general protection fault: 0000 [#1] SMP KASAN
CPU: 0 PID: 4484 Comm: syz-executor008 Not tainted 4.18.0-rc3+ #130
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_tcp_close+0x215/0x1050 kernel/bpf/sockmap.c:327
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
Code: 
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
------------[ cut here ]------------
 create_huge_pud mm/memory.c:3893 [inline]
 __handle_mm_fault+0x3aa3/0x4460 mm/memory.c:4041
Bad or missing usercopy whitelist? Kernel memory overwrite attempt detected to SLAB object 'TCPv6' (offset 592, size 64)!
WARNING: CPU: 0 PID: 4484 at mm/usercopy.c:81 usercopy_warn+0xf5/0x120 mm/usercopy.c:76
Kernel panic - not syncing: panic_on_warn set ...

 handle_mm_fault+0x53e/0xc80 mm/memory.c:4133
 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1396
 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1471
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160
RIP: 0033:0x55b971b3e3db
Code: 89 5c 24 d0 48 89 6c 24 d8 48 89 fb 4c 89 64 24 e0 4c 89 6c 24 e8 48 89 f5 4c 89 74 24 f0 4c 89 7c 24 f8 48 81 ec b8 00 00 00 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 78 31 c0 49 89 d4 e8 ad d9 
RSP: 002b:00007ffda8e118f0 EFLAGS: 00010206
RAX: 000055b971b3e3b0 RBX: 000055b971ee7f30 RCX: 00007efcf2abb3e0
RDX: 000055b971ee6ab0 RSI: 000055b971ee6ad0 RDI: 000055b971ee7f30
RBP: 000055b971ee6ad0 R08: 00007ffda8e119a0 R09: 0101010101010101
R10: 0000000000000008 R11: 0000000000000000 R12: 000055b971d88dc0
R13: 000055b971ee6ad0 R14: 000055b971ee6ab0 R15: 0000000000000050

The buggy address belongs to the page:
page:ffffea0006acd4c0 count:1 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 dead000000000100 0000000000000000 0000000000000000
raw: 0000000000000000 ffff8801bec434d0 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801ab353c00: f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00 00 00 00 00
 ffff8801ab353c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
>ffff8801ab353d00: f1 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2
                            ^
 ffff8801ab353d80: f2 00 f2 f2 f2 f2 f2 f2 f2 f8 f2 f2 f2 f2 f2 f2
 ffff8801ab353e00: f2 00 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00
==================================================================
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..