[Bug 55909] New: wine does not start with free(): invalid pointer

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WineHQ Bugzilla

18 Nov 2023 18 Nov '23

4:02 a.m.

https://bugs.winehq.org/show_bug.cgi?id=55909

Bug ID: 55909 Summary: wine does not start with free(): invalid pointer Product: Wine Version: 8.20 Hardware: x86-64 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: -unknown Assignee: wine-bugs@winehq.org Reporter: ktmizugaki+wine@gmail.com Distribution: ---

I recently noticed wine does not start properly. I am using wine-stable from winehq repository for debian 11 (bullseye). While wineserver is not running, when I run `wine winecfg`, it prints errors and exits. If I run `wine winecfg` immediately after it, then it starts normaly.

I tested same thing with wine-devel 8.20 and it is reproduced. But with wine-devel, second invocation does not start winecfg. It stuck after saying "starting debugger..." instead.

I only use i386 version of wine and amd64 version is not installed.

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WineHQ Bugzilla

18 Nov 18 Nov

4:03 a.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer

https://bugs.winehq.org/show_bug.cgi?id=55909

--- Comment #1 from teru ktmizugaki+wine@gmail.com --- Created attachment 75456 --> https://bugs.winehq.org/attachment.cgi?id=75456 output of terminal when try to start winecfg with wine-stable.

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WineHQ Bugzilla

4:07 a.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer

https://bugs.winehq.org/show_bug.cgi?id=55909

--- Comment #2 from teru ktmizugaki+wine@gmail.com --- Created attachment 75457 --> https://bugs.winehq.org/attachment.cgi?id=75457 output of terminal when try to start winecfg with wine-devel.

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WineHQ Bugzilla

11:25 a.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer

https://bugs.winehq.org/show_bug.cgi?id=55909

--- Comment #3 from teru ktmizugaki+wine@gmail.com --- Created attachment 75461 --> https://bugs.winehq.org/attachment.cgi?id=75461 grepped traces around "free(): invalid pointer"

It seems like problem exists in `settings_handler.free_modes( modes );` near end of X11DRV_UpdateDisplayDevices() in dlls/winex11.drv/display.c Commenting out this line and wine starts normaly.

I got this by checking relevant code of trace logs near the "free(): invalid pointer" obtained using following command:

``` /opt/wine-devel/bin/wineserver -k WINEDEBUG=+all,+timestamps,+thread,+relay /opt/wine-devel/bin/wine winecfg 2>wine.log grep -B 15 -A 5 'free(): invalid pointer' wine.log ```

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WineHQ Bugzilla

10:01 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer

https://bugs.winehq.org/show_bug.cgi?id=55909

Fabian Maurer dark.shadow4@web.de changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |dark.shadow4@web.de

--- Comment #4 from Fabian Maurer dark.shadow4@web.de --- Does the issue still occur with a clean WINEPREFIX?

Also, is this a regression? Since when did this start?

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WineHQ Bugzilla

19 Nov 19 Nov

5:25 a.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer

https://bugs.winehq.org/show_bug.cgi?id=55909

--- Comment #5 from teru ktmizugaki+wine@gmail.com ---

...

Does the issue still occur with a clean WINEPREFIX?

Yes, it occurs with clean WINEPREFIX.

I think I found where "free(): invalid pointer" occurs. It is free() in xf86vm_free_modes in dlls/winex11.drv/xvidmode.c https://source.winehq.org/git/wine.git/blob/wine-8.20:/dlls/winex11.drv/xvid... Commenting out this free() and the "free(): invalid pointer" gone.

It also seems like installing libxrandr2:i386 makes wine start as xvidmode is not used.

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WineHQ Bugzilla

7:14 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer when compiling without xrandr

https://bugs.winehq.org/show_bug.cgi?id=55909

Fabian Maurer dark.shadow4@web.de changed:

--- Comment #6 from Fabian Maurer dark.shadow4@web.de --- Alright, thanks. I can reproduce the issue when compiling with "--without-xrandr".

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WineHQ Bugzilla

9:27 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer when compiling without xrandr

https://bugs.winehq.org/show_bug.cgi?id=55909

--- Comment #7 from Fabian Maurer dark.shadow4@web.de --- Create a MR at https://gitlab.winehq.org/wine/wine/-/merge_requests/4434

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WineHQ Bugzilla

9:28 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer when compiling without xrandr

https://bugs.winehq.org/show_bug.cgi?id=55909

Fabian Maurer dark.shadow4@web.de changed:

What |Removed |Added ---------------------------------------------------------------------------- Component|-unknown |winex11.drv

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WineHQ Bugzilla

21 Nov 21 Nov

10 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer when compiling without xrandr

https://bugs.winehq.org/show_bug.cgi?id=55909

Fabian Maurer dark.shadow4@web.de changed:

--- Comment #8 from Fabian Maurer dark.shadow4@web.de --- Fixed by https://gitlab.winehq.org/wine/wine/-/commit/18522a0594b1dc63880063520ae4870...

Thanks for your detailed analysis!

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WineHQ Bugzilla

24 Nov 24 Nov

9:54 p.m.

New subject: [Bug 55909] wine does not start with free(): invalid pointer when compiling without xrandr

https://bugs.winehq.org/show_bug.cgi?id=55909

Alexandre Julliard julliard@winehq.org changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED

--- Comment #9 from Alexandre Julliard julliard@winehq.org --- Closing bugs fixed in 8.21.

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