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signed integer overflow in iso parser #717
The attached malformed iso file (packed as zip, because github limits attachment file types) will cause a signed integer overflow when passed to "bsdtar -tf [infile]" (tested with libarchive 3.2.0). This can be seen with undefined behavior sanitizer (compile with -fsanitize=undefined in CFLAGS/LDFLAGS).
This was found with the help of american fuzzy lop.