r0 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/tcp_rmem\x00', 0x1, 0x0)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
ppoll(&(0x7f0000000800)=[{r1}, {r0}], 0x2, &(0x7f0000000340), 0x0, 0x0)