WeeChat - Bugs: bug #39090, attempt to malloc() value close to...

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bug #39090: attempt to malloc() value close to 2^64 when scrolling with mouse

Submitter:	Joel Taylor <otters>
Submitted:	Tue 28 May 2013 02:56:05 AM UTC


Category:	display	Severity:	3 - Normal
Item Group:	other	Status:	Need Info
Privacy:	Public	Assigned to:	flashcode
Originator Name:		Open/Closed:	Open
Release: *	0.4.1	IRC nick:	otters

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Sun 15 Dec 2013 02:39:01 PM UTC, comment #6: Did you try with scripts loaded? If yes, please unload them all (scripts can crash WeeChat or produce weird behavior, so it's better to test without them). Moreover, if you have a crash, please enable core files and send a trace using gdb (see user's guide for more info). For now I have not enough info to fix the problem, I'm not even able to reproduce it (and I don't have OS X to test).	Sebastien Helleu <flashcode>
Sun 15 Dec 2013 02:33:52 PM UTC, comment #5: I can confirm this issue on weechat 0.4.2 on Mac OS X 10.9 compiled using `brew install weechat --with-aspell --with-lua --with-perl --with-ruby --with-guile`. Copied and pasted buffer after mouse scrolling: https://gist.github.com/anonymous/8cb4dbb989b239fe6b19 Let me know if there's any other info I can provide.	beardtree <beardtree>
Sat 20 Jul 2013 05:56:09 AM UTC, comment #4: Did you test with latest devel version, to check if problem is still there?	Sebastien Helleu <flashcode>
Fri 31 May 2013 09:39:55 AM UTC, comment #3: Hi, I wonder if the fix for bug #39094 would fix this one too. It was a problem of freed memory still used by WeeChat, and it can cause such weird problem, or even crashes. Could you please test with latest git/devel version and tell me if that's better?	Sebastien Helleu <flashcode>
Tue 28 May 2013 04:12:06 PM UTC, comment #2: Yes, disabled all scripts and the problem still happens.	Joel Taylor <otters>
Tue 28 May 2013 09:32:43 AM UTC, comment #1: Hi, Can you try to unload ALL scripts, and test again? To be sure the problem is not caused by a script. By the way, I am unable to reproduce the problem in my weechat.	Sebastien Helleu <flashcode>
Tue 28 May 2013 02:56:05 AM UTC, original submission: When scrolling up in a buffer using my mouse: weechat-curses(1196) malloc: * mmap(size=18446744073690892192) failed (error code=12) * error: can't allocate region *** set a breakpoint in malloc_error_break to debug gets dumped into the current display (screenshot: http://puu.sh/32IKt.png). If I force weechat to redraw, it goes away. It doesn't look like anything sinister is happening when this error occurs: weechat functions properly and memory usage looks fine. Pretty sure it's happening when the top of the userlist the client received when I joined passes the halfway point in the current buffer. The error happens in all the rooms I'm in with more than about 200 users, across multiple networks.	Joel Taylor <otters>

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Date	Changed by	Updated Field	Previous Value	Replaced by
2013-05-28	flashcode	Category	None	display
		Item Group	None	other
		Status	None	Need Info
		Assigned to	None	flashcode

WeeChat - Bugs: bug #39090, attempt to malloc() value close to...

bug #39090: attempt to malloc() value close to 2^64 when scrolling with mouse

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