r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
r1 = creat(&(0x7f00000003c0)='./file0\x00', 0x0)
write(r1, &(0x7f0000000900)='^', 0x1)
r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0, 0x0)
dup3(r0, r1, 0x0)
sendfile(r1, r2, 0x0, 0xfdef)