Unable to handle kernel access to user memory without uaccess routines at virtual address 000000000dc870d0
Oops [#1]
Modules linked in:
CPU: 0 PID: 3538 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller-00715-ga5e13c6df0e4 #0
Hardware name: riscv-virtio,qemu (DT)
epc : schedule_tail+0x72/0xb2 kernel/sched/core.c:4262
 ra : task_pid_vnr include/linux/sched.h:1421 [inline]
 ra : schedule_tail+0x70/0xb2 kernel/sched/core.c:4262
epc : ffffffe00008f4c4 ra : ffffffe00008f4c2 sp : ffffffe02127fec0
 gp : ffffffe004588b08 tp : ffffffe0214c97c0 t0 : 0000000000000000
 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe02127fee0
 s1 : 000000000dc870d0 a0 : 000000000000000c a1 : 0000000000000003
 a2 : 1ffffffc0cfa8708 a3 : ffffffe0000d30bc a4 : 3cfa388c84ec2b00
 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000084f3a
 s2 : 0000000000040000 s3 : ffffffe00c310000 s4 : ffffffe0057bbfe0
 s5 : 0000000000004000 s6 : ffffffe067d55ec0 s7 : ffffffe067d55910
 s8 : ffffffe067d54ed8 s9 : ffffffe067d55ec0 s10: ffffffe00c310438
 s11: 0000008ea8b75afc t3 : 3cfa388c84ec2b00 t4 : ffffffc403c1d7b2
 t5 : ffffffc403c1d7ba t6 : 0000000000040000
status: 0000000000000120 badaddr: 000000000dc870d0 cause: 000000000000000f
Call Trace:
[<ffffffe00008f4c4>] schedule_tail+0x72/0xb2 kernel/sched/core.c:4262
[<ffffffe000005580>] ret_from_exception+0x0/0x14
---[ end trace f5782d5d9a8064a0 ]---