------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_instr.c:267!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 8921 Comm: cryptomgr_probe Not tainted 4.20.0-rc7+ #8
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__msan_poison_alloca+0x263/0x270 mm/kmsan/kmsan_instr.c:265
Code: 8b 04 25 28 00 00 00 48 3b 44 24 60 75 15 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b e8 6f 03 59 ff 0f 0b <0f> 0b 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffff888181d2f690 EFLAGS: 00010096
RAX: 00000000b0800012 RBX: ffff888185498000 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000000480020 RDI: ffffffff819725a4
RBP: ffff888181d2f730 R08: 0000000000000002 R09: ffff888181d2f6e8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888181d2f758
R13: 0000000000000046 R14: 0000000000000001 R15: ffffffff8ba9b6f0
FS:  0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1973bb50 CR3: 00000001a4443000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 _raw_spin_lock_irqsave+0x4d/0x180 kernel/locking/spinlock.c:151
 cpu_stop_queue_work kernel/stop_machine.c:85 [inline]
 stop_one_cpu_nowait+0x1d4/0x730 kernel/stop_machine.c:360
 load_balance+0x960f/0x9ad0 kernel/sched/fair.c:8863
 idle_balance kernel/sched/fair.c:9656 [inline]
 pick_next_task_fair+0xaf1/0x3240 kernel/sched/fair.c:6757
 pick_next_task+0x1ba/0x420 kernel/sched/core.c:3322
 __schedule+0x1f7/0x830 kernel/sched/core.c:3452
 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 d21f3fbc2d876773 ]---
RIP: 0010:__msan_poison_alloca+0x263/0x270 mm/kmsan/kmsan_instr.c:265
Code: 8b 04 25 28 00 00 00 48 3b 44 24 60 75 15 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b e8 6f 03 59 ff 0f 0b <0f> 0b 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffff888181d2f690 EFLAGS: 00010096
RAX: 00000000b0800012 RBX: ffff888185498000 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000000480020 RDI: ffffffff819725a4
RBP: ffff888181d2f730 R08: 0000000000000002 R09: ffff888181d2f6e8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888181d2f758
R13: 0000000000000046 R14: 0000000000000001 R15: ffffffff8ba9b6f0
FS:  0000000000000000(0000) GS:ffff88821fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1973bb50 CR3: 00000001a4443000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400