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Received: from 199.241.189.110 ([199.241.189.110]) by ttr; Sun Aug  3 21:35:02 EDT 2014
Date: Sun, 3 Aug 2014 21:34:55 -0400
From: sl@9front.org
To: 9front@9front.org
Subject: samterm: ctrl-b causes crash if command window has been resized
Message-ID: <d571fb92962af8649eb51961120c4230@x301.inri>
List-ID: <9front.9front.org>
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On IRC revex reported that samterm crashes on Ctrl-b if the command window has
been resized. I was able to reproduce:

http://plan9.stanleylieber.com/sam/bugs/ctrl-b.png

; acid 831213
/proc/831213/text:amd64 plan 9 executable
/sys/lib/acid/port
/sys/lib/acid/amd64
acid: lstk()
abort()+0x0 /sys/src/libc/9sys/abort.c:6
panic1(s=0x400448)+0x27 /sys/src/cmd/samterm/main.c:692
panic()+0x19 /sys/src/cmd/samterm/main.c:684
lldelete()+0x71 /sys/src/cmd/samterm/flayer.c:221
flupfront(l=0x40eac0)+0x18 /sys/src/cmd/samterm/flayer.c:139
	v=0x20062900000001
current(nw=0x40eac0)+0x49 /sys/src/cmd/samterm/main.c:156
type(l=0x40eac0,res=0x15300000001)+0x37c /sys/src/cmd/samterm/main.c:658
	t=0x40eaa8
	buf=0x419ec0
	p=0x41dd48
	a=0x0
	backspacing=0x200000000
	c=0x41dd4800000002
	cursor=0x0
	a0=0x0
threadmain(argv=0x7ffffeffefa0)+0x21c /sys/src/cmd/samterm/main.c:75
	r=0xb0000001b1
	got=0xfefefefe00000002
	chord=0x0
	nwhich=0x43c310
	scr=0x200000000
	t=0xfefefefefefefefe
	w=0x43c310fefefefe
mainlauncher()+0x18 /sys/src/libthread/main.c:59
launcheramd64(arg=0x4194a0,f=0x221673)+0x10 /sys/src/libthread/amd64.c:11
0xfefefefefefefefe ?file?:0
acid: 

sl