On 5/26/23 3:44 AM, Grisha Levit wrote:
If expanding a \u (or \U) escape sequence fails, Bash replaces the
input escape sequence with a newly generated one:
$ LC_ALL=C printf %b \\U80
\u0080
Bash normalizes to a consistent result across printf/echo/$''.
Since this new sequence may by longer
If expanding a \u (or \U) escape sequence fails, Bash replaces the
input escape sequence with a newly generated one:
$ LC_ALL=C printf %b \\U80
\u0080
Since this new sequence may by longer than the input, it can cause an
overflow in printf:
$ bash-asan -c 'LC_ALL=C printf %b \\U80'
ERROR: Addres