------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_instr.c:85!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 10235 Comm: cryptomgr_test Not tainted 4.20.0-rc7+ #8
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 54 09 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:ffff888148c7f830 EFLAGS: 00010096
RAX: ffff8881498afbdc RBX: ffff8881a3493c00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888148c7fbdf
RBP: ffff888148c7f868 R08: ffff888148c7fbe0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000002c5b54ac00 R12: 0000000000000082
R13: ffff888148c7fbdf R14: 0000000000000001 R15: ffff888148c7fbdf
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555d5c873aa8 CR3: 000000014a6f2000 CR4: 00000000001406e0
DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 variable_test_bit arch/x86/include/asm/bitops.h:332 [inline]
 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
 update_sd_lb_stats kernel/sched/fair.c:8108 [inline]
 find_busiest_group kernel/sched/fair.c:8396 [inline]
 load_balance+0xd7f/0x9ad0 kernel/sched/fair.c:8693
 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 16c96f86eaebb525 ]---
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 54 09 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:ffff888148c7f830 EFLAGS: 00010096
RAX: ffff8881498afbdc RBX: ffff8881a3493c00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888148c7fbdf
RBP: ffff888148c7f868 R08: ffff888148c7fbe0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000002c5b54ac00 R12: 0000000000000082
R13: ffff888148c7fbdf R14: 0000000000000001 R15: ffff888148c7fbdf
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555d5c873aa8 CR3: 000000014a6f2000 CR4: 00000000001406e0
DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400