------------[ cut here ]------------
WARNING: CPU: 0 PID: 13208 at kernel/events/core.c:3752 ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
Modules linked in:
CPU: 0 PID: 13208 Comm: syz-executor.0 Tainted: G        W         5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0
Hardware name: riscv-virtio,qemu (DT)
epc : ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
 ra : ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
epc : ffffffe00027a674 ra : ffffffe00027a674 sp : ffffffe0253f35a0
 gp : ffffffe0045883c0 tp : ffffffe0075fc740 t0 : 0000000000000000
 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe0253f3610
 s1 : ffffffe00c9ae800 a0 : ffffffe066d5c118 a1 : 00000000000f0000
 a2 : 0000000000000002 a3 : ffffffe00027a674 a4 : ffffffe0075fd740
 a5 : 0000000040000000 a6 : 0000000000f00000 a7 : ffffffe000281354
 s2 : 0000000000000007 s3 : ffffffe00c9ae940 s4 : ffffffe0075fc740
 s5 : 0000000000000002 s6 : ffffffe00458c0d0 s7 : ffffffe066d5bf70
 s8 : 0000000000000007 s9 : ffffffe066d5c118 s10: ffffffe00c9ae800
 s11: ffffffe00c9ae808 t3 : f127d7c324757500 t4 : 000000000000093c
 t5 : ffffffc404d536b3 t6 : 0000000000000005
status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003
Call Trace:
[<ffffffe00027a674>] ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
[<ffffffe00027a96c>] perf_event_sched_in+0x38/0x74 kernel/events/core.c:2680
[<ffffffe00028142e>] perf_event_context_sched_in kernel/events/core.c:3817 [inline]
[<ffffffe00028142e>] __perf_event_task_sched_in+0x4ea/0x680 kernel/events/core.c:3860
[<ffffffe0000850ce>] perf_event_task_sched_in include/linux/perf_event.h:1210 [inline]
[<ffffffe0000850ce>] finish_task_switch.isra.0+0x284/0x318 kernel/sched/core.c:4189
[<ffffffe002a932b0>] context_switch kernel/sched/core.c:4325 [inline]
[<ffffffe002a932b0>] __schedule+0x484/0xe8c kernel/sched/core.c:5073
[<ffffffe002a945d4>] preempt_schedule_irq+0x4a/0x13e kernel/sched/core.c:5530
[<ffffffe00000563a>] resume_kernel+0x16/0x18
irq event stamp: 608
hardirqs last  enabled at (607): [<ffffffe002a945ca>] preempt_schedule_irq+0x40/0x13e kernel/sched/core.c:5529
hardirqs last disabled at (608): [<ffffffe002a93338>] __schedule+0x50c/0xe8c kernel/sched/core.c:4972
softirqs last  enabled at (0): [<ffffffe000021660>] copy_process+0xe66/0x356a kernel/fork.c:2048
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 1c8154508d9604a4 ]---