https://bugs.freedesktop.org/show_bug.cgi?id=66701

Markus Wernig <pub...@wernig.net> changed:

           What    |Removed                     |Added
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                 CC|                            |gokcen.eras...@gmail.com,
                   |                            |pub...@wernig.net

--- Comment #6 from Markus Wernig <pub...@wernig.net> ---
Hi all

I am experiencing the crash behaviour in ALL versions that I try. I'll try to
give a little more background, since kendy said that a proper bug report would
be good:

platform: amd64
os: Gentoo Linux

1) LO 4.2.6.2, compiled with gcc-4.8.3
As described by the OP, LO just crashes. The exact point where it crashes is
the same from the user's point of view: After clicking OK in the "Save File As"
Dialog (the window title is "Export"). But when looking at the backtraces
(generated after compiling glibc and LO with debug symbols "CFLAGS=-ggdb"), it
appears to crash at different points in the code, roughly "somewhere in
malloc.c".
Please see the four attached backtraces for the four crash types that I got
with LO 4.2.6.2, when started with "gdb
/usr/lib64/libreoffice/program/soffice.bin". The first one was still without
debugging symbols in glibc.

2) LO 4.3.1.2, downloaded from prerelease server
Same behaviour, but up to now only the "double free or corruption (fasttop)"
crash type occurred

platform: amd64
os: Ubuntu 14.04-LTS

3) 4.2.4-0ubuntu2
Similar behaviour, but I'll have to consolidate the output/backtrace, as it is
some Ubuntu graphical tool displaying and formatting it. 


How to reproduce:
Prerequisites:
- First, obviously, the experimental features need to be turned on in
"Tools->Options->Advanced".
- A digital signature certificate must be present in the NSS DB that LO is
configured to use (Tools->Options->Security->Certificate Path). This can be a
Firefox or Thunderbird store, or the certs can be imported with certutil.

1) Start LO Writer
2) Create new document (or open existing one)
3) Save document
4) Select "File->Export as PDF"
5) Click on Tab "Digital Signatures" in the Popup window
6) Click on "Select" under "Certificate"
7) Enter NSS DB password (if set) and select signature certificate, click OK
8) Click "Export". The "Export" Window (Save File As Dialog) opens.
9) Choose path and file name click "Save"
10) If the target pdf file name already exists, LO 4.2.6.2 asks if it should be
overwritten and crashes after that question is answered. LO 4.3.1.2 does not
ask, but crashes immediately.


I used the simplest of all writer documents (attached as "sigtest.odt").

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