current->kmsan.in_runtime: -1, last_caller:           (null)
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_instr.c:267!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 8368 Comm: cryptomgr_probe Not tainted 4.20.0-rc7+ #12
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__msan_poison_alloca+0x29c/0x2a0 mm/kmsan/kmsan_instr.c:267
Code: 0b e8 e8 ee 7b ff 85 c0 75 20 48 8b 44 24 08 8b b0 88 09 00 00 48 8b 90 80 09 00 00 48 c7 c7 4e 72 5f 8b 31 c0 e8 f4 1b 7c ff <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 54 53 48 83 ec 18 65 48 8b
RSP: 0018:ffff88812b80fd10 EFLAGS: 00010046
RAX: 000000000000003c RBX: ffff88816127bc00 RCX: 7f4530002fe1f300
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88821fc36abc
RBP: ffff88812b80fdb0 R08: 0000000000000000 R09: ffff88821fc38f10
R10: 0000000000000000 R11: ffffffff861d8220 R12: ffff88812b80fdcf
R13: 0000000000000046 R14: 0000000000000001 R15: ffffffff8baa19c0
FS:  0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012dba0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rcu_note_context_switch+0x3b/0x520 kernel/rcu/tree_plugin.h:995
 __schedule+0x7c/0x830 kernel/sched/core.c:3406
 schedule+0x1ab/0x2b0 kernel/sched/core.c:3522
 kthread+0x3cb/0x4e0 kernel/kthread.c:241
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355
Modules linked in:
---[ end trace eece8bb62faf7e49 ]---
RIP: 0010:__msan_poison_alloca+0x29c/0x2a0 mm/kmsan/kmsan_instr.c:267
Code: 0b e8 e8 ee 7b ff 85 c0 75 20 48 8b 44 24 08 8b b0 88 09 00 00 48 8b 90 80 09 00 00 48 c7 c7 4e 72 5f 8b 31 c0 e8 f4 1b 7c ff <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 54 53 48 83 ec 18 65 48 8b
RSP: 0018:ffff88812b80fd10 EFLAGS: 00010046
RAX: 000000000000003c RBX: ffff88816127bc00 RCX: 7f4530002fe1f300
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88821fc36abc
RBP: ffff88812b80fdb0 R08: 0000000000000000 R09: ffff88821fc38f10
R10: 0000000000000000 R11: ffffffff861d8220 R12: ffff88812b80fdcf
R13: 0000000000000046 R14: 0000000000000001 R15: ffffffff8baa19c0
FS:  0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012dba0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400