On Fri, Nov 07, 2003 at 03:23:52AM -0300, Agustin wrote:
Hello, im Agustin Gianni (gr00vy) from argentina. I would like to report
a bug on xterm (the last version 181 and the one on Slackware 9.0).
Since im not experienced on format bugs i couldnt make so much to try to
make a fix o give more info about the bug.
Thanks for the report.
I've just traced through it, and it isn't a formatting bug, but an
off-by-one bug in libXcursor that shows up when $HOME doesn't start with
a '/'.
This patch fixes it for me. Let me know if it does for you too.
Index: xc/lib/Xcursor/library.c
===
RCS file: /home/x-cvs/xc/lib/Xcursor/library.c,v
retrieving revision 1.2
diff -u -r1.2 library.c
--- library.c 26 Jan 2003 03:22:42 - 1.2
+++ library.c 7 Nov 2003 17:48:21 -
@@ -101,6 +101,9 @@
if (!home)
return 0;
homelen = strlen (home);
+ /* A '/' gets prepended if $HOME doesn't start with one. */
+ if (home[0] != '/')
+ homelen++;
dir++;
dirlen--;
}
David
[EMAIL PROTECTED]:/root# HOME=%n%n%n%n%n%n
[EMAIL PROTECTED]:/root# xterm
Segmentation fault
[EMAIL PROTECTED]:/root# gdb xterm
(gdb) r
Starting program: /root/xterm-181/xterm
Program received signal SIGSEGV, Segmentation fault.
0x4026e5bd in _int_malloc () from /lib/libc.so.6
(gdb) bt
#0 0x4026e5bd in _int_malloc () from /lib/libc.so.6
#1 0x4026d6b5 in malloc () from /lib/libc.so.6
#2 0x4025c003 in __fopen_internal () from /lib/libc.so.6
#3 0x4025c0ce in fopen@@GLIBC_2.1 () from /lib/libc.so.6
#4 0x4001e47a in XcursorFilenameSave () from
/usr/X11R6/lib/libXcursor.so.1
#5 0x4001e616 in XcursorLibraryLoadImages () from
/usr/X11R6/lib/libXcursor.so.1
#6 0x4001e824 in XcursorShapeLoadImages () from
/usr/X11R6/lib/libXcursor.so.1
#7 0x4001eb6e in XcursorTryShapeCursor () from
/usr/X11R6/lib/libXcursor.so.1
#8 0x4012d628 in _XTryShapeCursor () from /usr/X11R6/lib/libX11.so.6
#9 0x4012d9e9 in XCreateGlyphCursor () from /usr/X11R6/lib/libX11.so.6
#10 0x4012de59 in XCreateFontCursor () from /usr/X11R6/lib/libX11.so.6
#11 0x0805f3ce in make_colored_cursor (cursorindex=68, fg=0,
bg=16777215) at misc.c:216
#12 0x0805b578 in get_terminal () at main.c:2467
#13 0x0805b019 in main (argc=0, argv=0xb9e8) at main.c:2111
#14 0x4020dbb4 in __libc_start_main () from /lib/libc.so.6
(gdb) i r
eax0x808e780134801280
ecx0x40327300 1077048064
edx0x40327354 1077048148
ebx0x40326234 1077043764
esp0xb650 0xb650
ebp0xb688 0xb688
esi0x0 0
edi0x0 0
eip0x4026e5bd 0x4026e5bd
eflags 0x10206 66054
cs 0x23 35
ss 0x2b 43
ds 0x2b 43
es 0x2b 43
fs 0x0 0
gs 0x0 0
fctrl 0x37f895
fstat 0x0 0
ftag 0x 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop0x0 0
mxcsr 0x1f80 8064
orig_eax 0x -1
Best Regards
Agustin Gianni
Argentina
PS: thanks to #linux and #cheese (specially df)
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David Dawes X-Oz Technologies
www.XFree86.org/~dawes www.x-oz.com
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