r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter\x00')
readv(r0, &(0x7f0000000380)=[{&(0x7f00000000c0)=""/244, 0xf4}], 0x1)
readv(r0, &(0x7f0000001340)=[{&(0x7f0000000080)=""/20, 0x14}], 0x1)