sshd (6083) used greatest stack depth: 15744 bytes left
kasan: CONFIG_KASAN_INLINE enabled
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(depth >= MAX_LOCK_DEPTH)
------------[ cut here ]------------
kernel BUG at mm/slab.c:4425!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: -642842048 Comm: ksoftirqd/0 Not tainted 4.20.0-rc4+ #325
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__check_heap_object+0xa7/0xb5 mm/slab.c:4450
Code: 48 c7 c7 05 f8 14 89 e8 97 e3 0a 00 5d c3 41 8b 91 04 01 00 00 48 29 c7 48 39 d7 77 be 48 01 d0 48 29 c8 48 39 f0 72 b3 5d c3 <0f> 0b 48 c7 c7 05 f8 14 89 e8 fd eb 0a 00 44 89 e9 48 c7 c7 c0 f8
RSP: 0018:ffff8881d9af0030 EFLAGS: 00010093
RAX: 00000000000a57eb RBX: 1ffff1103b35e00d RCX: 000000000000000c
RDX: ffff8881d9af0240 RSI: 0000000000000002 RDI: ffff8881d9af01d8
RBP: ffff8881d9af0030 R08: ffff8881d9af0240 R09: ffff8881da970180
R10: 000000004afd69e7 R11: 0000000000000000 R12: ffff8881d9af01d8
R13: 0000000000000002 R14: ffffea000766bc00 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000068 CR3: 00000001bb9df000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 1452b8ca6a1101fd ]---
RIP: 0010:__check_heap_object+0xa7/0xb5 mm/slab.c:4450
Code: 48 c7 c7 05 f8 14 89 e8 97 e3 0a 00 5d c3 41 8b 91 04 01 00 00 48 29 c7 48 39 d7 77 be 48 01 d0 48 29 c8 48 39 f0 72 b3 5d c3 <0f> 0b 48 c7 c7 05 f8 14 89 e8 fd eb 0a 00 44 89 e9 48 c7 c7 c0 f8
RSP: 0018:ffff8881d9af0030 EFLAGS: 00010093
RAX: 00000000000a57eb RBX: 1ffff1103b35e00d RCX: 000000000000000c
RDX: ffff8881d9af0240 RSI: 0000000000000002 RDI: ffff8881d9af01d8
RBP: ffff8881d9af0030 R08: ffff8881d9af0240 R09: ffff8881da970180
R10: 000000004afd69e7 R11: 0000000000000000 R12: ffff8881d9af01d8
R13: 0000000000000002 R14: ffffea000766bc00 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000068 CR3: 00000001bb9df000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400