r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0xc842, 0x0)
ioctl$DVD_READ_STRUCT(r0, 0xc0c0128e, &(0x7f0000000480)=@bca={0x3, 0xbc, "0836817f430d307d21a249ebdd7cb2b55809ff6f409f561a3b9d7d64881fd4977ec973d4b1328799deb65db55771d77ad1a4964c66cd21d3c191ed682e3550ff7094f7e1373bcb997d9fea5be1ae1f6e69de88698bce3206b2f1fcac0708490344d95648d25fd80add7156852a3cc02c15b92368f78040033be51b20165690f50ae737818e6a69a752fc10ecce8b4e1069788d6d49ad99acfc251825804a071d40477afa13af5a2f432a1ab1595673198a84f76f401790d833edf3d1"})