r0 = syz_open_procfs(0x0, &(0x7f0000000540)='net/ip_mr_cache\x00')
readv(r0, &(0x7f0000001840)=[{&(0x7f0000001380)=""/38, 0x26}, {&(0x7f00000013c0)=""/15, 0xf}, {&(0x7f0000001400)=""/8, 0x8}], 0x3)