mount$9p_unix(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100))
r0 = syz_open_procfs(0x0, &(0x7f0000000000)='smaps\x00')
pread64(r0, &(0x7f0000001280)=""/4096, 0x1000, 0x0)