r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0xffffffff, 0x0) r1 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f00000001c0), 0x1, 0x0) syz_mount_image$tmpfs(0x0, &(0x7f0000002880)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180), 0x0, &(0x7f0000000200)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@noextend}]}})