Unable to handle kernel access to user memory without uaccess routines at virtual address 000000003b0870d0 Oops [#1] Modules linked in: CPU: 1 PID: 3512 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 : ffffffe022013ec0 gp : ffffffe004588b08 tp : ffffffe00c22c740 t0 : 0000000000000000 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe022013ee0 s1 : 000000003b0870d0 a0 : 0000000000000007 a1 : 0000000000000003 a2 : 1ffffffc0cfac108 a3 : ffffffe0000d30bc a4 : 77dc8393e8d90d00 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe000084f3a s2 : 0000000000040000 s3 : ffffffe00c994740 s4 : ffffffe0057bbfe0 s5 : 0000000000004000 s6 : ffffffe067d72ec0 s7 : ffffffe067d72910 s8 : ffffffe067d71ed8 s9 : ffffffe067d72ec0 s10: ffffffe00c994b78 s11: 0000008a20f2e694 t3 : 77dc8393e8d90d00 t4 : ffffffc403c34fb2 t5 : ffffffc403c34fba t6 : 0000000000040000 status: 0000000000000120 badaddr: 000000003b0870d0 cause: 000000000000000f Call Trace: [] schedule_tail+0x72/0xb2 kernel/sched/core.c:4262 [] ret_from_exception+0x0/0x14 ---[ end trace 42a1b222a157f34e ]---