Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000004d6d0d0
Oops [#1]
Modules linked in:
CPU: 1 PID: 3673 Comm: syz-executor.1 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 : ffffffe0068a7ec0
 gp : ffffffe004588b08 tp : ffffffe0058a0000 t0 : 0000000000000000
 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe0068a7ee0
 s1 : 0000000004d6d0d0 a0 : 000000000000002e a1 : 0000000000000003
 a2 : 1ffffffc0cfac108 a3 : ffffffe0000d30bc a4 : 82ae1d40a7f63000
 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe0001041aa
 s2 : 0000000000040000 s3 : ffffffe0062e2f80 s4 : ffffffe00cc97fe0
 s5 : 0000000000004020 s6 : ffffffe0062e3418 s7 : ffffffe067d72910
 s8 : ffffffe067d71ed8 s9 : 0000000000000000 s10: ffffffe007bc8600
 s11: 000000bccaee5174 t3 : 82ae1d40a7f63000 t4 : ffffffc4043ff7b2
 t5 : ffffffc4043ff7ba t6 : 0000000000040000
status: 0000000000000120 badaddr: 0000000004d6d0d0 cause: 000000000000000f
Call Trace:
[<ffffffe00008f4c4>] schedule_tail+0x72/0xb2 kernel/sched/core.c:4262
[<ffffffe000005580>] ret_from_exception+0x0/0x14
---[ end trace 7aec2d41077fc170 ]---