r0 = syz_open_procfs(0x0, &(0x7f0000001640)='net/igmp\x00')
preadv(r0, &(0x7f0000001980)=[{&(0x7f0000001780)=""/15, 0xf}, {&(0x7f0000001840)=""/50, 0x32}], 0x2, 0x3f, 0x0)