Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000000110 Oops [#1] Modules linked in: CPU: 0 PID: 17498 Comm: iou-sqp-17487 Not tainted 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) epc : atomic_add arch/riscv/include/asm/atomic.h:74 [inline] epc : atomic_inc include/linux/atomic-fallback.h:372 [inline] epc : io_uring_cancel_sqpoll+0xaa/0x17c fs/io_uring.c:9003 ra : io_uring_cancel_sqpoll+0xa4/0x17c fs/io_uring.c:9003 epc : ffffffe0004e8b0e ra : ffffffe0004e8b08 sp : ffffffe006d93d00 gp : ffffffe0045883c0 tp : ffffffe00694df00 t0 : ffffffe008c737f0 t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffffe006d93d80 s1 : ffffffe00694df00 a0 : ffffffe0058b28a8 a1 : 00000000000f0000 a2 : 0000000000000002 a3 : ffffffe0004e8b08 a4 : 0000000000000110 a5 : 0000000000000001 a6 : 0000000000f00000 a7 : ffffffe0004e9454 s2 : ffffffe0058b2800 s3 : ffffffffffffffff s4 : ffffffe028f4ffe0 s5 : ffffffe00bb42000 s6 : 0000000000000000 s7 : ffffffe00458c0d0 s8 : ffffffe0058b2898 s9 : 0000000000000000 s10: ffffffe029fc6600 s11: ffffffe0058b2800 t3 : ae8acc851aa6e200 t4 : ffffffc400d29cd3 t5 : ffffffc400d29cd5 t6 : ffffffe00694e6a5 status: 0000000000000120 badaddr: 0000000000000110 cause: 000000000000000f Call Trace: [] atomic_add arch/riscv/include/asm/atomic.h:74 [inline] [] atomic_inc include/linux/atomic-fallback.h:372 [inline] [] io_uring_cancel_sqpoll+0xaa/0x17c fs/io_uring.c:9003 [] io_sq_thread+0x578/0xade fs/io_uring.c:6836 [] ret_from_exception+0x0/0x14 ---[ end trace 43e91908fac49bf8 ]---