CVE-2018-20623.valgrind

==5358== Invalid read of size 1
==5358==    at 0x40A9393: vfprintf (vfprintf.c:1632)
==5358==    by 0x40A9680: buffered_vfprintf (vfprintf.c:2320)
==5358==    by 0x40A72E0: vfprintf (vfprintf.c:1293)
==5358==    by 0x80AB881: error (elfcomm.c:43)
==5358==    by 0x8086217: process_archive (readelf.c:19409)
==5358==    by 0x80868EA: process_file (readelf.c:19588)
==5358==    by 0x8086B01: main (readelf.c:19664)
==5358==  Address 0x4221dc0 is 0 bytes inside a block of size 80 free'd
==5358==    at 0x402D358: free (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==5358==    by 0x8086647: process_archive (readelf.c:19524)
==5358==    by 0x80868EA: process_file (readelf.c:19588)
==5358==    by 0x8086B01: main (readelf.c:19664)
==5358==  Block was alloc'd at
==5358==    at 0x402C17C: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==5358==    by 0x80AD97E: make_qualified_name (elfcomm.c:906)
==5358==    by 0x8086350: process_archive (readelf.c:19435)
==5358==    by 0x80868EA: process_file (readelf.c:19588)
==5358==    by 0x8086B01: main (readelf.c:19664)