Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000000110 Oops [#1] Modules linked in: CPU: 0 PID: 12769 Comm: iou-sqp-12764 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 : ffffffe00ab13d00 gp : ffffffe0045883c0 tp : ffffffe008ac97c0 t0 : ffffffe0220cbdd0 t1 : 0000000000000001 t2 : 00000000000f4240 s0 : ffffffe00ab13d80 s1 : ffffffe008ac97c0 a0 : ffffffe00b7390a8 a1 : 00000000000f0000 a2 : 0000000000000002 a3 : ffffffe0004e8b08 a4 : 0000000000000110 a5 : 0000000000000001 a6 : 0000000000f00000 a7 : ffffffe0004e9454 s2 : ffffffe00b739000 s3 : ffffffffffffffff s4 : ffffffe0220cbfe0 s5 : ffffffe00aa0a000 s6 : 0000000000000000 s7 : ffffffe00458c0d0 s8 : ffffffe00b739098 s9 : 0000000000000000 s10: ffffffe009175400 s11: ffffffe00b739000 t3 : 737c6cd2310d3400 t4 : ffffffc4011593eb t5 : ffffffc4011593ed t6 : ffffffe008ac9f65 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 125431acb6fbd386 ]---