Thread: stack smashing

Hi,
I am running the following macro and it was ok at first. My computer
crashed while I was running it due to a technical issue unrelated to
SAC. There after sac started spitting out the following error. I
have no clue as to why the macro worked perfectly alright before the
reboot and why it is failing now. Any infor. is much appreciated. I
am using SAC 101.3b

Thanks!

Januka.

Macro
====

setbb iff 0

DO FILE WILD *.SAC
evaluate to iff %iff + 1

* when iff < 2 (i.e. reading only 1 file)
if %iff lt 2
READ $FILE

* when iff = 2 (i.e. reading both DIS & VEL files)
* elseif %iff eq 2
* read more $FILE
setbb iff 0

* plotting a time window of (T0-15) & (T0+15)
XLIM T0 -10 +10
PLOTPK perplot 1
write over
CUT ON
CUTERR FILLZ
CUT A -15 +15
READ $FILE
WRITE OVER
endif

ENDDO

CUT OFF
* ENDDO

QUIT

ERROR
======

*** stack smashing detected ***: sac terminated
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(__fortify_fail+0x50)[0x356390]
/lib/tls/i686/cmov/libc.so.6(+0xe233a)[0x35633a]
sac[0x8061530]
[0x5a48422e]
======= Memory map: ========
00110000-00112000 r-xp 00000000 08:11 883067 /lib/tls/i686/cmov/
libdl-2.11.1.so
00112000-00113000 r--p 00001000 08:11 883067 /lib/tls/i686/cmov/
libdl-2.11.1.so
00113000-00114000 rw-p 00002000 08:11 883067 /lib/tls/i686/cmov/
libdl-2.11.1.so
00114000-00140000 r-xp 00000000 08:11 2829115 /lib/libreadline.so.
5.2
00140000-00141000 r--p 0002c000 08:11 2829115 /lib/libreadline.so.
5.2
00141000-00144000 rw-p 0002d000 08:11 2829115 /lib/libreadline.so.
5.2
00144000-00145000 rw-p 00000000 00:00 0
00257000-00272000 r-xp 00000000 08:11 2829191 /lib/ld-2.11.1.so
00272000-00273000 r--p 0001a000 08:11 2829191 /lib/ld-2.11.1.so
00273000-00274000 rw-p 0001b000 08:11 2829191 /lib/ld-2.11.1.so
00274000-003c7000 r-xp 00000000 08:11 883075 /lib/tls/i686/cmov/
libc-2.11.1.so
003c7000-003c8000 ---p 00153000 08:11 883075 /lib/tls/i686/cmov/
libc-2.11.1.so
003c8000-003ca000 r--p 00153000 08:11 883075 /lib/tls/i686/cmov/
libc-2.11.1.so
003ca000-003cb000 rw-p 00155000 08:11 883075 /lib/tls/i686/cmov/
libc-2.11.1.so
003cb000-003ce000 rw-p 00000000 00:00 0
00461000-0057a000 r-xp 00000000 08:11 3663796 /usr/lib/libX11.so.
6.3.0
0057a000-0057b000 r--p 00118000 08:11 3663796 /usr/lib/libX11.so.
6.3.0
0057b000-0057d000 rw-p 00119000 08:11 3663796 /usr/lib/libX11.so.
6.3.0
0057d000-0057e000 rw-p 00000000 00:00 0
00582000-00583000 r-xp 00000000 00:00 0 [vdso]
00645000-00669000 r-xp 00000000 08:11 883077 /lib/tls/i686/cmov/
libm-2.11.1.so
00669000-0066a000 r--p 00023000 08:11 883077 /lib/tls/i686/cmov/
libm-2.11.1.so
0066a000-0066b000 rw-p 00024000 08:11 883077 /lib/tls/i686/cmov/
libm-2.11.1.so
00712000-00727000 r-xp 00000000 08:11 3662978 /usr/lib/libICE.so.
6.3.0
00727000-00728000 r--p 00014000 08:11 3662978 /usr/lib/libICE.so.
6.3.0
00728000-00729000 rw-p 00015000 08:11 3662978 /usr/lib/libICE.so.
6.3.0
00729000-0072b000 rw-p 00000000 00:00 0
00743000-00760000 r-xp 00000000 08:11 2829064 /lib/libgcc_s.so.1
00760000-00761000 r--p 0001c000 08:11 2829064 /lib/libgcc_s.so.1
00761000-00762000 rw-p 0001d000 08:11 2829064 /lib/libgcc_s.so.1
007dc000-007e3000 r-xp 00000000 08:11 3662980 /usr/lib/libSM.so.
6.0.1
007e3000-007e4000 r--p 00006000 08:11 3662980 /usr/lib/libSM.so.
6.0.1
007e4000-007e5000 rw-p 00007000 08:11 3662980 /usr/lib/libSM.so.
6.0.1
0087b000-0087d000 r-xp 00000000 08:11 3662982 /usr/lib/libXau.so.
6.0.0
0087d000-0087e000 r--p 00001000 08:11 3662982 /usr/lib/libXau.so.
6.0.0
0087e000-0087f000 rw-p 00002000 08:11 3662982 /usr/lib/libXau.so.
6.0.0
009cd000-009d0000 r-xp 00000000 08:11 834058 /lib/libuuid.so.1.3.0
009d0000-009d1000 r--p 00002000 08:11 834058 /lib/libuuid.so.1.3.0
009d1000-009d2000 rw-p 00003000 08:11 834058 /lib/libuuid.so.1.3.0
00a94000-00aac000 r-xp 00000000 08:11 3663171 /usr/lib/libxcb.so.
1.1.0
00aac000-00aad000 r--p 00017000 08:11 3663171 /usr/lib/libxcb.so.
1.1.0
00aad000-00aae000 rw-p 00018000 08:11 3663171 /usr/lib/libxcb.so.
1.1.0
00b87000-00b8b000 r-xp 00000000 08:11 3662984 /usr/lib/
libXdmcp.so.6.0.0
00b8b000-00b8c000 r--p 00003000 08:11 3662984 /usr/lib/
libXdmcp.so.6.0.0
00b8c000-00b8d000 rw-p 00004000 08:11 3662984 /usr/lib/
libXdmcp.so.6.0.0
00d63000-00d97000 r-xp 00000000 08:11 834240 /lib/libncurses.so.
5.7
00d97000-00d98000 ---p 00034000 08:11 834240 /lib/libncurses.so.
5.7
00d98000-00d9a000 r--p 00034000 08:11 834240 /lib/libncurses.so.
5.7
00d9a000-00d9b000 rw-p 00036000 08:11 834240 /lib/libncurses.so.
5.7
08048000-081fe000 r-xp 00000000 08:11 3766770 /usr/local/sac/bin/
sac
081fe000-081ff000 r--p 001b5000 08:11 3766770 /usr/local/sac/bin/
sac
081ff000-08221000 rw-p 001b6000 08:11 3766770 /usr/local/sac/bin/
sac
08221000-08494000 rw-p 00000000 00:00 0
08eb3000-08ed4000 rw-p 00000000 00:00 0 [heap]
b7718000-b771c000 rw-p 00000000 00:00 0
b772d000-b7732000 rw-p 00000000 00:00 0
bf8bc000-bf8d1000 rw-p 00000000 00:00 0 [stack]
Aborted (core dumped)


_______________
Serenity isn't freedom from the storm, but peace within the storm
Januka Attanayake
Global Seismology & Economics
The University of Connecticut
Beach Hall - U2045
354, Mansfield Rd;
Storrs, CT 06269
Tel : 860 486 0475 (Office)
860 486 3914 (Lab - P405)
URL: http://sites.google.com/site/janukaattanayake/





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