------------[ cut here ]------------
WARNING: CPU: 0 PID: 13438 at kernel/events/core.c:3752 ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
Modules linked in:
CPU: 0 PID: 13438 Comm: syz-executor.0 Not tainted 5.12.0-rc6-syzkaller-00183-g7ae11635ec90 #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 : ffffffe000279fe8 ra : ffffffe000279fe8 sp : ffffffe01e29f900
 gp : ffffffe004588ad0 tp : ffffffe006b217c0 t0 : 0000000000000000
 t1 : 0000000000000001 t2 : ffffffff8c099852 s0 : ffffffe01e29f970
 s1 : ffffffe00625a400 a0 : ffffffe067d5c118 a1 : 00000000000f0000
 a2 : 0000000000000002 a3 : ffffffe000279fe8 a4 : ffffffe006b227c0
 a5 : 0000000040000002 a6 : 0000000000f00000 a7 : ffffffe000280cc8
 s2 : 0000000000000007 s3 : ffffffe00625a540 s4 : ffffffe006b217c0
 s5 : 0000000000000002 s6 : ffffffe00458c0d0 s7 : ffffffe067d5bf70
 s8 : 0000000000000007 s9 : ffffffe067d5c118 s10: ffffffe00625a400
 s11: ffffffe00625a408 t3 : 217cd39decf0ad00 t4 : ffffffc401208f34
 t5 : ffffffc401208f35 t6 : ffffffe01eba8026
status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003
Call Trace:
[<ffffffe000279fe8>] ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
[<ffffffe00027a2e0>] perf_event_sched_in+0x38/0x74 kernel/events/core.c:2680
[<ffffffe000280da2>] perf_event_context_sched_in kernel/events/core.c:3817 [inline]
[<ffffffe000280da2>] __perf_event_task_sched_in+0x4ea/0x680 kernel/events/core.c:3860
[<ffffffe0000850f8>] perf_event_task_sched_in include/linux/perf_event.h:1210 [inline]
[<ffffffe0000850f8>] finish_task_switch.isra.0+0x284/0x318 kernel/sched/core.c:4189
[<ffffffe002a94308>] context_switch kernel/sched/core.c:4325 [inline]
[<ffffffe002a94308>] __schedule+0x484/0xe8c kernel/sched/core.c:5073
[<ffffffe002a94d74>] schedule+0x64/0x166 kernel/sched/core.c:5152
[<ffffffe00013f93e>] freezable_schedule include/linux/freezer.h:172 [inline]
[<ffffffe00013f93e>] futex_wait_queue_me+0x14c/0x23a kernel/futex.c:2606
[<ffffffe000141358>] futex_wait+0x122/0x2c2 kernel/futex.c:2708
[<ffffffe00014385a>] do_futex+0xa0/0xe62 kernel/futex.c:3734
[<ffffffe0001447de>] __do_sys_futex kernel/futex.c:3797 [inline]
[<ffffffe0001447de>] sys_futex+0x1c2/0x280 kernel/futex.c:3763
[<ffffffe000005578>] ret_from_syscall+0x0/0x2