------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_instr.c:85!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 17000 Comm: cryptomgr_test Not tainted 4.20.0-rc7+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__msan_instrument_asm_store+0xfe/0x100 mm/kmsan/kmsan_instr.c:82
Code: 89 65 c8 ff 75 c8 9d 65 48 8b 04 25 28 00 00 00 48 3b 45 d8 75 0d 48 83 c4 18 5b 41 5c 41 5e 41 5f 5d c3 e8 84 11 59 ff 0f 0b <0f> 0b 55 48 89 e5 41 57 41 56 41 54 53 48 89 d3 49 89 f6 49 89 ff
RSP: 0018:ffff88804d24f5a8 EFLAGS: 00010096
RAX: ffff8881de20c31c RBX: ffff8881dc59bc00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881de13c31c
RBP: ffff88804d24f5e0 R08: ffff8881de13c320 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082
R13: ffff88804d24f608 R14: 0000000000000004 R15: ffff8881de13c31c
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4a551f78 CR3: 000000005a7c3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:200 [inline]
 atomic_try_cmpxchg include/asm-generic/atomic-instrumented.h:73 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:87 [inline]
 do_raw_spin_lock_flags include/linux/spinlock.h:191 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0xa9/0x170 kernel/locking/spinlock.c:152
 try_to_wake_up+0xfb/0x2380 kernel/sched/core.c:1967
 wake_up_process+0x34/0x40 kernel/sched/core.c:2131
 wake_up_q+0x5f/0x90 kernel/sched/core.c:442
 cpu_stop_queue_work kernel/stop_machine.c:93 [inline]
 stop_one_cpu_nowait+0x6ea/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 60e8a8e9a66f71ee ]---
RIP: 0010:__msan_instrument_asm_store+0xfe/0x100 mm/kmsan/kmsan_instr.c:82
Code: 89 65 c8 ff 75 c8 9d 65 48 8b 04 25 28 00 00 00 48 3b 45 d8 75 0d 48 83 c4 18 5b 41 5c 41 5e 41 5f 5d c3 e8 84 11 59 ff 0f 0b <0f> 0b 55 48 89 e5 41 57 41 56 41 54 53 48 89 d3 49 89 f6 49 89 ff
RSP: 0018:ffff88804d24f5a8 EFLAGS: 00010096
RAX: ffff8881de20c31c RBX: ffff8881dc59bc00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881de13c31c
RBP: ffff88804d24f5e0 R08: ffff8881de13c320 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082
R13: ffff88804d24f608 R14: 0000000000000004 R15: ffff8881de13c31c
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4a551f78 CR3: 000000005a7c3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400