GNU bug report logs - #34192
26.1; Bash 5.0 breaks TRAMP sudo

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Allen Li <darkfeline <at> felesatra.moe>
Cc: 34192 <at> debbugs.gnu.org
Subject: bug#34192: 26.1; Bash 5.0 breaks TRAMP sudo
Date: Tue, 29 Jan 2019 11:04:21 +0100

[Message part 1 (text/plain, inline)]

Allen Li <darkfeline <at> felesatra.moe> writes:

Hi Allen,

> I tried monkey patching tramp-wait-for-regexp to see what the exit status is.

> In my Messages buffer, I found
>
> @@@@@@@@@@@ DEAD 139
>
> A search tells me that this is SIGSEGV.
>
> The corresponding backtrace:

Thanks for the test. Unfortunately, it doesn't show why this happens.

Maybe we could get some more messages from the shell. Could you, pls,
apply the following patch:

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diff --git a/lisp/tramp-sh.el b/lisp/tramp-sh.el
index c304fcb..46f467d 100644
--- a/lisp/tramp-sh.el
+++ b/lisp/tramp-sh.el
@@ -658,7 +658,7 @@ foreach $f (@files) {
  }
 }
 print \"ok\\n\"
-' \"$1\" 2>/dev/null"
+' \"$1\""
   "Perl script to produce output suitable for use with
 `file-name-all-completions' on the remote file system.  Escape
 sequence %s is replaced with name of Perl binary.  This string is

[Message part 3 (text/plain, inline)]

Recompile tramp-sh.el, and rerun the test with tramp-verbose 10. Your
patch isn't needed in this scenario.

Best regards, Michael.

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