Unable to handle kernel access to user memory without uaccess routines at virtual address 00000000220170d0 Oops [#1] Modules linked in: CPU: 0 PID: 3736 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 : ffffffe020a83ec0 gp : ffffffe004588b08 tp : ffffffe0069fc740 t0 : 0000000000000000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe020a83ee0 s1 : 00000000220170d0 a0 : 0000000000000061 a1 : 0000000000000003 a2 : 1ffffffc0cfa8708 a3 : ffffffe0000d30bc a4 : c997ef214cef3100 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe0001041aa s2 : 0000000000040000 s3 : ffffffe00a412f80 s4 : ffffffe0087c3fe0 s5 : 0000000000004000 s6 : ffffffe067d55ec0 s7 : ffffffe067d55910 s8 : ffffffe067d54ed8 s9 : ffffffe067d55ec0 s10: ffffffe00a4133b8 s11: 000000b701ba93bc t3 : c997ef214cef3100 t4 : ffffffc403a90fb2 t5 : ffffffc403a90fba t6 : 0000000000040000 status: 0000000000000120 badaddr: 00000000220170d0 cause: 000000000000000f Call Trace: [] schedule_tail+0x72/0xb2 kernel/sched/core.c:4262 [] ret_from_exception+0x0/0x14 ---[ end trace d03e689cfba88d6f ]---