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kernel BUG at mm/kmsan/kmsan_instr.c:85!
invalid opcode: 0000 [#1] SMP
CPU: 1 PID: 12867 Comm: cryptomgr_probe 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:ffff88811559fdc8 EFLAGS: 00010096
RAX: ffff8881c10b88dc RBX: ffff8881dcd81e00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881c10b08dc
RBP: ffff88811559fe00 R08: ffff8881c10b08e0 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff816a2910 R12: 0000000000000082
R13: ffff88821fdb7b40 R14: 0000000000000004 R15: ffff8881c10b08dc
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe77035fc0 CR3: 000000000ba2f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_atomic_inc arch/x86/include/asm/atomic.h:97 [inline]
 atomic_inc include/asm-generic/atomic-instrumented.h:110 [inline]
 mmgrab include/linux/sched/mm.h:36 [inline]
 context_switch kernel/sched/core.c:2820 [inline]
 __schedule+0x741/0x830 kernel/sched/core.c:3478
 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 4d2002452b06a998 ]---
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:ffff88811559fdc8 EFLAGS: 00010096
RAX: ffff8881c10b88dc RBX: ffff8881dcd81e00 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881c10b08dc
RBP: ffff88811559fe00 R08: ffff8881c10b08e0 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff816a2910 R12: 0000000000000082
R13: ffff88821fdb7b40 R14: 0000000000000004 R15: ffff8881c10b08dc
FS:  0000000000000000(0000) GS:ffff88821fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe77035fc0 CR3: 000000000ba2f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400