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Groups > gnu.bash.bug > #14382
| From | Chris Schoenberg <chris@cr0ssbyte.com> |
|---|---|
| Newsgroups | gnu.bash.bug |
| Subject | Re: v4.4 segfault in 'decode_prompt_string' when processing special parameter |
| Date | 2018-07-21 17:11 -0500 |
| Message-ID | <mailman.3997.1532211135.1292.bug-bash@gnu.org> (permalink) |
| References | <CAAnqJ08xXw8Ezq4mn_FGojcx6vi26d001foWFncUJt809XiS_w@mail.gmail.com> |
The payload got filtered, so here it is again (substitute the actual
character for [at]):
$\{_[at]P};${_[at]P}
On Sat, Jul 21, 2018, 1:47 PM Chris Schoenberg wrote:
> This only works in 4.4; earlier versions throw a 'bad substitution' error. It
> causes an infinite loop of calls between 'expand_prompt_string' and 'decode_prompt_string',
> where calls to 'xmalloc' exhaust the heap:
>
...
>
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Re: v4.4 segfault in 'decode_prompt_string' when processing special parameter Chris Schoenberg <chris@cr0ssbyte.com> - 2018-07-21 17:11 -0500
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