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bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files'
From: |
Eli Zaretskii |
Subject: |
bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files' |
Date: |
Tue, 27 Feb 2018 13:21:30 +0200 |
User-agent: |
K-9 Mail for Android |
On February 27, 2018 11:22:26 AM GMT+02:00, Michael Heerdegen
<michael_heerdegen@web.de> wrote:
>
> Hello,
>
> Traversing a `stream-of-directory-files' over a huge directory
> hierarchy
> crashes my Emacs.
>
> Here is a recipe: I have a file
> "/home/micha/Treasure/today/stream-crash.el" with these contents:
>
> #+begin_src emacs-lisp
> ;; -*- lexical-binding: t -*-
>
> (require 'stream)
>
> (seq-doseq (_file (stream-of-directory-files
> "/home/micha" t nil t nil
> (lambda (file) (and (file-readable-p file) (file-regular-p file)))))
> nil)
> #+end_src
>
> Then I
>
> micha> emacs -Q -L /home/micha/software/elpa/packages/stream\
> -l /home/micha/Treasure/today/stream-crash.el
>
> and I get a segfault after ~ 1 minute.
>
> This kind of crash only seems to occur when the traversed directory is
> sufficiently large.
I guess it's a stack overflow: that function recurses into subdirectories.
To avoid such problems, the function should be rewritten to work by BFS, not
DFS.
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/27
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files',
Eli Zaretskii <=
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/27
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/27
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Eli Zaretskii, 2018/02/27
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Noam Postavsky, 2018/02/27
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/28
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Eli Zaretskii, 2018/02/28
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/28
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Eli Zaretskii, 2018/02/28
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/28
- bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files', Michael Heerdegen, 2018/02/28