r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='net/fib_trie\x00')
fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)=0x1)
readv(r0, &(0x7f0000000280)=[{&(0x7f00000004c0)=""/4089, 0xff9}], 0x1)