Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000009a430d0 Oops [#1] Modules linked in: CPU: 0 PID: 3528 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 : ffffffe020b7bec0 gp : ffffffe004588b08 tp : ffffffe006bedf00 t0 : 0000000000000000 t1 : 0000000000000001 t2 : 0000000000989680 s0 : ffffffe020b7bee0 s1 : 0000000009a430d0 a0 : 0000000000000009 a1 : 0000000000000003 a2 : 1ffffffc0cfa8708 a3 : ffffffe0000d30bc a4 : 1ebc8d73456d9c00 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe0001041aa s2 : 0000000000040000 s3 : ffffffe0057897c0 s4 : ffffffe00579bfe0 s5 : 0000000000004020 s6 : ffffffe005789c58 s7 : ffffffe067d55910 s8 : ffffffe067d54ed8 s9 : 0000000000000000 s10: ffffffe007341200 s11: 000000acbf2d5dcc t3 : 1ebc8d73456d9c00 t4 : ffffffc400af37ba t5 : ffffffc400af37c2 t6 : 0000000000040000 status: 0000000000000120 badaddr: 0000000009a430d0 cause: 000000000000000f Call Trace: [] schedule_tail+0x72/0xb2 kernel/sched/core.c:4262 [] ret_from_exception+0x0/0x14 ---[ end trace 7459035eac2ba30d ]---