Shlomi Fish added the comment:
Marting Panter: I'm getting the same problem with a completely empty
~/.python_history file. Moreover, I was able to reproduce a similar bug in gdb.
I'll try seeing if I can create a minimal GNU readline-using program here that
reproduces it.
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Shlomi Fish added the comment:
Martin: [sorry for misspelling your name] I was now able to reproduce the same
problem using rlwrap (see http://utopia.knoware.nl/~hlub/rlwrap/ ). I'll report
it to the readline problem.
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Python tracker
Changes by R. David Murray rdmur...@bitdance.com:
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resolution: - third party
stage: - resolved
status: open - closed
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24958
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R. David Murray added the comment:
Sorry, should have been clearer a bug in python as opposed to one in Mageia's
readline.
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24958
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New submission from Shlomi Fish:
After I run python3 (to run the REPL) and type r and then PgUp twice, I get a
segfault. I'm on Mageia Linux x86-64 6 , but recall a similar problem happening
before:
shlomif@telaviv1:~$ python3
Python 3.4.3 (default, Aug 13 2015, 21:40:54)
[GCC 4.9.2] on
R. David Murray added the comment:
What makes you think this is a bug in Python? Can you reduce the inputrc to
the minimum that reproduces the problem?
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nosy: +r.david.murray
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Python tracker rep...@bugs.python.org
Shlomi Fish added the comment:
I'm attaching here the reduced, minimal, inputrc. I think it's a bug in Python
because it doesn't happen with any other program that uses readline (bash, perl
-d, etc.) that I checked. I'll check with a vanilla readline compiled from
source from the GNU site ,
R. David Murray added the comment:
I can't reproduce it on my Gentoo box using 3.4 tip.
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24958
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Shlomi Fish added the comment:
Hi all!
Thanks for the investigation.
I have now built readline-6.3 from source using:
./configure --prefix=$HOME/apps/readline-TO_DEL --with-curses=yes
--enable-multibyte
and installed it. Then I built python 3.4.3 from source against it by setting
Martin Panter added the comment:
Well it looks like you’ve identified that PgUp triggers a history search.
Perhaps it would be good to look at your /home/shlomif/.python_history file,
assuming there is nothing sensitive in there. The strace output only indicates
it is 411 bytes and gives the
Martin Panter added the comment:
According to the GDB backtrace, _rl_kscxt is a null pointer at
https://github.com/Distrotech/readline/blob/readline-6.3/callback.c#L188,
while the _rl_dispatch_callback() function doesn’t handle null pointers. Maybe
you would find the Readline people more
eryksun added the comment:
Maybe the problem is using escape characters (0x1b) instead of \e. Try using
the following:
\e[5~: history-search-backward
FWIW, your inputrc doesn't crash my system (64-bit Linux, readline 6.3 and
Python 3.4).
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nosy: +eryksun
eryksun added the comment:
A gdb backtrace may be of more help than strace.
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24958
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Shlomi Fish added the comment:
gdb by full attached.
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Added file: http://bugs.python.org/file40296/py3.gdb-bt.txt
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24958
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