mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz1\x00', 0x1ff)
r0 = openat$sndseq(0xffffffffffffff9c, &(0x7f0000000100), 0x0)
ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r0, 0xc0a85322, &(0x7f0000000000))