Bash Version: 4.3.33 File: lib/sh/shquote.c Function: sh_backslash_quote Line: if (backslash_table[c] == 1)
Description ----------- Variable "c" has signed integer type and may be negative (if "string" is not only ASCII characters string). But "c" used as an index in "backslash_table" array. This causes out of range error and produce undefined behavior. Possible solution ----------------- Cast variable "c" to unsigned char type: if (backslash_table[(unsigned char)c] == 1)