------------[ cut here ]------------
WARNING: CPU: 0 PID: 16407 at kernel/events/core.c:3752 ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752
Modules linked in:
CPU: 0 PID: 16407 Comm: syz-executor.1 Not tainted 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 : ffffffe00ed338d0
 gp : ffffffe0045883c0 tp : ffffffe0085017c0 t0 : 0000000000000000
 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00ed33940
 s1 : ffffffe0083b4000 a0 : ffffffe066d59fa8 a1 : 00000000000f0000
 a2 : 0000000000000002 a3 : ffffffe00027a674 a4 : ffffffe0085027c0
 a5 : 0000000040000002 a6 : 0000000000f00000 a7 : ffffffe000281354
 s2 : 0000000000000007 s3 : ffffffe0083b4140 s4 : ffffffe0085017c0
 s5 : 0000000000000002 s6 : ffffffe00458c0d0 s7 : ffffffe066d59e00
 s8 : 0000000000000007 s9 : ffffffe066d59fa8 s10: ffffffe0083b4000
 s11: ffffffe0083b4008 t3 : fe3a3c3de475b100 t4 : ffffffc404e3efb2
 t5 : ffffffc404e3efba t6 : 0000000000040000
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
[<ffffffe002a93f48>] preempt_schedule_common+0x4e/0xde kernel/sched/core.c:5233
[<ffffffe00008d35e>] preempt_schedule kernel/sched/core.c:5258 [inline]
[<ffffffe00008d35e>] try_to_wake_up+0x57a/0x896 kernel/sched/core.c:3470
[<ffffffe00008d6ea>] wake_up_process kernel/sched/core.c:3533 [inline]
[<ffffffe00008d6ea>] wake_up_q+0x58/0xb0 kernel/sched/core.c:587
[<ffffffe000141802>] futex_wake+0x242/0x25c kernel/futex.c:1630
[<ffffffe0001438fe>] do_futex+0x15e/0xe62 kernel/futex.c:3739
[<ffffffe0001447c4>] __do_sys_futex kernel/futex.c:3797 [inline]
[<ffffffe0001447c4>] sys_futex+0x1c2/0x280 kernel/futex.c:3763
[<ffffffe000005578>] ret_from_syscall+0x0/0x2
irq event stamp: 90
hardirqs last  enabled at (89): [<ffffffe002a9a784>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (89): [<ffffffe002a9a784>] _raw_spin_unlock_irqrestore+0x68/0x98 kernel/locking/spinlock.c:191
hardirqs last disabled at (90): [<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 2ebcb61d3692aee7 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 16407 at kernel/events/core.c:3219 ctx_sched_out+0x544/0x548 kernel/events/core.c:3219
Modules linked in:
CPU: 1 PID: 16407 Comm: syz-executor.1 Tainted: G        W         5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0
Hardware name: riscv-virtio,qemu (DT)
epc : ctx_sched_out+0x544/0x548 kernel/events/core.c:3219
 ra : ctx_sched_out+0x544/0x548 kernel/events/core.c:3219
epc : ffffffe00027cc90 ra : ffffffe00027cc90 sp : ffffffe00ed33a90
 gp : ffffffe0045883c0 tp : ffffffe0085017c0 t0 : ffffffc401ae1ff4
 t1 : ffffffc401da6798 t2 : 0000000000000000 s0 : ffffffe00ed33af0
 s1 : ffffffe0083b4000 a0 : ffffffe066d76fa8 a1 : 00000000000f0000
 a2 : ffffffd010ada000 a3 : ffffffe00027cc90 a4 : ffffffd010ae92a8
 a5 : 0000000000001e55 a6 : 0000000000f00000 a7 : ffffffe00ed33cc7
 s2 : ffffffe066d76e00 s3 : 0000000000000003 s4 : ffffffe066d76fa8
 s5 : 0000000000000001 s6 : ffffffe0083b4140 s7 : 0000000000000007
 s8 : ffffffe0085017c0 s9 : ffffffe00458c0d0 s10: 0000000000000000
 s11: 0000000000000000 t3 : 000000004fb00000 t4 : ffffffc401da6797
 t5 : ffffffc401da6799 t6 : ffffffe029e9e7d4
status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003
Call Trace:
[<ffffffe00027cc90>] ctx_sched_out+0x544/0x548 kernel/events/core.c:3219
[<ffffffe00027d7ee>] __perf_install_in_context+0x1f4/0x47c kernel/events/core.c:2799
[<ffffffe00026bcbc>] remote_function kernel/events/core.c:91 [inline]
[<ffffffe00026bcbc>] remote_function+0xa8/0xc0 kernel/events/core.c:71
[<ffffffe0001452b2>] generic_exec_single+0x1a6/0x212 kernel/smp.c:293
[<ffffffe000145452>] smp_call_function_single+0x134/0x2ba kernel/smp.c:513
[<ffffffe00026af46>] task_function_call+0x90/0xee kernel/events/core.c:119
[<ffffffe00027c5da>] perf_install_in_context+0x174/0x2e6 kernel/events/core.c:2902
[<ffffffe000288d1c>] __do_sys_perf_event_open+0x10ea/0x199e kernel/events/core.c:12169
[<ffffffe00028fa72>] sys_perf_event_open+0x34/0x46 kernel/events/core.c:11775
[<ffffffe000005578>] ret_from_syscall+0x0/0x2
irq event stamp: 90
hardirqs last  enabled at (89): [<ffffffe002a9a784>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (89): [<ffffffe002a9a784>] _raw_spin_unlock_irqrestore+0x68/0x98 kernel/locking/spinlock.c:191
hardirqs last disabled at (90): [<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 2ebcb61d3692aeeb ]---