Kernel panic - not syncing: kmsan_in_runtime: -1
CPU: 1 PID: 19484 Comm: btrfs-freespace Not tainted 5.9.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 panic+0x4ca/0xed7 kernel/panic.c:231
 kmsan_leave_runtime mm/kmsan/kmsan.h:93 [inline]
 __msan_poison_alloca+0x106/0x110 mm/kmsan/kmsan_instr.c:176
 _task_util_est kernel/sched/fair.c:3891 [inline]
 util_est_enqueue kernel/sched/fair.c:3925 [inline]
 enqueue_task_fair+0x120/0x2f80 kernel/sched/fair.c:5483
 enqueue_task kernel/sched/core.c:1581 [inline]
 activate_task+0x1ab/0x4d0 kernel/sched/core.c:1600
 attach_task kernel/sched/fair.c:7746 [inline]
 attach_tasks kernel/sched/fair.c:7781 [inline]
 load_balance+0x2786/0x5030 kernel/sched/fair.c:9583
 newidle_balance+0x477/0x12e0 kernel/sched/fair.c:10533
 pick_next_task_fair+0x49d/0x1250 kernel/sched/fair.c:7095
 pick_next_task+0x18e/0x6b0 kernel/sched/core.c:4355
 __schedule+0x24b/0x590 kernel/sched/core.c:4512
 schedule+0x260/0x330 kernel/sched/core.c:4619
 schedule_preempt_disabled+0xe/0x10 kernel/sched/core.c:4678
 kthread+0x421/0x560 kernel/kthread.c:286
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..