sendfile(r1, 0xffffffffffffffff, 0x0, 0x100000001)
openat(0xffffffffffffffff, &(0x7f0000000040)='./file1/file0\x00', 0x0, 0x89)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1000009, 0x1f012, r0, 0x0)
BUG: leak checking failed