r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/dev_mcast\x00')
pread64(r0, &(0x7f00000014c0)=""/145, 0x91, 0x48)
ioctl$EXT4_IOC_GETSTATE(0xffffffffffffffff, 0x40046629, 0x0)