Date: Thu, 08 Jun 2000 13:16:18 +0800 From: chc <chc@openfind.com.tw> To: freebsd-questions@FreeBSD.ORG Subject: shell core dump Message-ID: <393F2C22.487287A3@openfind.com.tw>
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I found this simple shell script will result a shell core dump.
Please check it.
#!/bin/sh
echo '\x82\x93\x82\x93,\x82\x83\x82\x90\x82\x8b'
note: \x82 should be translated to a single byte with
hex number 82, and so on.
Program terminated with signal 6, Abort trap.
#0 0x8074f54 in kill ()
(gdb) bt
#0 0x8074f54 in kill ()
#1 0x809139e in abort ()
#2 0x804ddb5 in evalvar (p=0x80ba79e "", flag=3)
at /usr/src/bin/sh/expand.c:777
#3 0x804d062 in argstr (p=0x80ba79c "\210\202", flag=3)
at /usr/src/bin/sh/expand.c:245
#4 0x804cdfa in expandarg (arg=0x80ba7a0, arglist=0xbfbff798, flag=3)
at /usr/src/bin/sh/expand.c:169
#5 0x804b2bb in evalcommand (cmd=0x80ba7b0, flags=0, backcmd=0x0)
at /usr/src/bin/sh/eval.c:645
#6 0x804a9b0 in evaltree (n=0x80ba7b0, flags=0) at
/usr/src/bin/sh/eval.c:269
#7 0x8051e5a in cmdloop (top=1) at /usr/src/bin/sh/main.c:253
#8 0x8051dba in main (argc=2, argv=0xbfbff924) at
/usr/src/bin/sh/main.c:202
#9 0x80480f9 in _start ()
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