------------[ cut here ]------------ WARNING: CPU: 1 PID: 4184 at kernel/events/core.c:3752 ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 Modules linked in: CPU: 1 PID: 4184 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 : ffffffe010aef780 gp : ffffffe0045883c0 tp : ffffffe009a50000 t0 : 0000000000000000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe010aef7f0 s1 : ffffffe028e32c00 a0 : ffffffe066d79118 a1 : 00000000000f0000 a2 : 0000000000000002 a3 : ffffffe00027a674 a4 : ffffffe009a51000 a5 : 0000000040000002 a6 : 0000000000f00000 a7 : ffffffe000281354 s2 : 0000000000000007 s3 : ffffffe028e32d40 s4 : ffffffe009a50000 s5 : 0000000000000002 s6 : ffffffe00458c0d0 s7 : ffffffe066d78f70 s8 : 0000000000000007 s9 : ffffffe066d79118 s10: ffffffe028e32c00 s11: ffffffe028e32c08 t3 : e8dacbfcb87c7700 t4 : ffffffc4051147b2 t5 : ffffffc4051147ba t6 : 0000000000040000 status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] ctx_sched_in+0x12e/0x3ee kernel/events/core.c:3752 [] perf_event_sched_in+0x38/0x74 kernel/events/core.c:2680 [] perf_event_context_sched_in kernel/events/core.c:3817 [inline] [] __perf_event_task_sched_in+0x4ea/0x680 kernel/events/core.c:3860 [] perf_event_task_sched_in include/linux/perf_event.h:1210 [inline] [] finish_task_switch.isra.0+0x284/0x318 kernel/sched/core.c:4189 [] context_switch kernel/sched/core.c:4325 [inline] [] __schedule+0x484/0xe8c kernel/sched/core.c:5073 [] preempt_schedule_irq+0x4a/0x13e kernel/sched/core.c:5530 [] resume_kernel+0x16/0x18 irq event stamp: 988 hardirqs last enabled at (987): [] preempt_schedule_irq+0x40/0x13e kernel/sched/core.c:5529 hardirqs last disabled at (988): [] __schedule+0x50c/0xe8c kernel/sched/core.c:4972 softirqs last enabled at (984): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (965): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (965): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (965): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (965): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace dddfc40e0eadc6bf ]---