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[GNUnet-SVN] r23142 - in monkey/branches/MonkeyBacktracking/monkey: refs
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From: |
gnunet |
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Subject: |
[GNUnet-SVN] r23142 - in monkey/branches/MonkeyBacktracking/monkey: refs/db refs/reports refs/src src/pathologist |
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Date: |
Mon, 6 Aug 2012 17:18:50 +0200 |
Author: safey
Date: 2012-08-06 17:18:50 +0200 (Mon, 06 Aug 2012)
New Revision: 23142
Added:
monkey/branches/MonkeyBacktracking/monkey/refs/db/bug_bad_food.db
monkey/branches/MonkeyBacktracking/monkey/refs/reports/ref_bug_bad_food_rpt.xml
monkey/branches/MonkeyBacktracking/monkey/refs/src/bug_bad_food.c
Modified:
monkey/branches/MonkeyBacktracking/monkey/refs/src/Makefile.am
monkey/branches/MonkeyBacktracking/monkey/src/pathologist/action_api.c
monkey/branches/MonkeyBacktracking/monkey/src/pathologist/test_pathologist.c
Log:
Test bad food. Check for gdb frames
Added: monkey/branches/MonkeyBacktracking/monkey/refs/db/bug_bad_food.db
===================================================================
(Binary files differ)
Property changes on:
monkey/branches/MonkeyBacktracking/monkey/refs/db/bug_bad_food.db
___________________________________________________________________
Added: svn:mime-type
+ application/octet-stream
Added:
monkey/branches/MonkeyBacktracking/monkey/refs/reports/ref_bug_bad_food_rpt.xml
===================================================================
---
monkey/branches/MonkeyBacktracking/monkey/refs/reports/ref_bug_bad_food_rpt.xml
(rev 0)
+++
monkey/branches/MonkeyBacktracking/monkey/refs/reports/ref_bug_bad_food_rpt.xml
2012-08-06 15:18:50 UTC (rev 23142)
@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+<crash category="Bad memory access" function="main" line="8"
file="bug_bad_food.c" >
+<valgrind>==8211== Memcheck, a memory error detector
+==8211== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
+==8211== Using Valgrind-3.6.1 and LibVEX; rerun with -h for copyright info
+==8211== Command: ../../refs/src/bug_bad_food
+==8211== Parent PID: 8210
+==8211==
+==8211== Invalid read of size 4
+==8211== at 0x804840D: main (bug_bad_food.c:8)
+==8211== Address 0xbaadf00d is not stack'd, malloc'd or (recently)
free'd
+==8211==
+==8211==
+==8211== Process terminating with default action of signal 11 (SIGSEGV)
+==8211== Access not within mapped region at address 0xBAADF00D
+==8211== at 0x804840D: main (bug_bad_food.c:8)
+==8211== If you believe this happened as a result of a stack
+==8211== overflow in your program's main thread (unlikely but
+==8211== possible), you can try to increase the size of the
+==8211== main thread stack using the --main-stacksize= flag.
+==8211== The main thread stack size used in this run was 16777216.
+==8211==
+==8211== HEAP SUMMARY:
+==8211== in use at exit: 0 bytes in 0 blocks
+==8211== total heap usage: 0 allocs, 0 frees, 0 bytes allocated
+==8211==
+==8211== All heap blocks were freed -- no leaks are possible
+==8211==
+==8211== For counts of detected and suppressed errors, rerun with: -v
+==8211== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 11 from
6)</valgrind>
+<history><epoch step="0" >
+<trace><function name="main" line="8" file="bug_bad_food.c" depth="0" >
+<expressions><expression name="NULL" >
+0x0</expression>
+<expression name="0xBAADF00D" >
+3131961357</expression>
+<expression name="argv" >
+0xbffff724</expression>
+<expression name="argc" >
+1</expression>
+</expressions>
+</function>
+</trace>
+</epoch>
+</history>
+</crash>
Property changes on:
monkey/branches/MonkeyBacktracking/monkey/refs/reports/ref_bug_bad_food_rpt.xml
___________________________________________________________________
Added: svn:mime-type
+ text/plain
Modified: monkey/branches/MonkeyBacktracking/monkey/refs/src/Makefile.am
===================================================================
--- monkey/branches/MonkeyBacktracking/monkey/refs/src/Makefile.am
2012-08-06 13:58:26 UTC (rev 23141)
+++ monkey/branches/MonkeyBacktracking/monkey/refs/src/Makefile.am
2012-08-06 15:18:50 UTC (rev 23142)
@@ -26,7 +26,10 @@
gcc -g -O0 -o bug_null_pointer_exception_modified
bug_null_pointer_exception_modified.c
bug_sigbus:
- gcc -g -O0 -o bug_sigbus bug_sigbus.c
+ gcc -g -O0 -o bug_sigbus bug_sigbus.c
+
+bug_bad_food:
+ gcc -g -O0 -o bug_bad_food bug_bad_food.c
bin_PROGRAMS = \
bug_null_pointer_exception \
@@ -35,7 +38,8 @@
bug_crypto_crc \
bug_division_by_zero_loop \
bug_null_pointer_exception_modified \
- bug_sigbus
+ bug_sigbus \
+ bug_bad_food
#noinst_PROGRAMS = \
bug_null_pointer_exception \
@@ -44,4 +48,5 @@
bug_crypto_crc \
bug_division_by_zero_loop \
bug_null_pointer_exception_modified \
- bug_sigbus
\ No newline at end of file
+ bug_sigbus \
+ bug_bad_food
\ No newline at end of file
Added: monkey/branches/MonkeyBacktracking/monkey/refs/src/bug_bad_food.c
===================================================================
--- monkey/branches/MonkeyBacktracking/monkey/refs/src/bug_bad_food.c
(rev 0)
+++ monkey/branches/MonkeyBacktracking/monkey/refs/src/bug_bad_food.c
2012-08-06 15:18:50 UTC (rev 23142)
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+ void *badfood = (void*) (long) 0xBAADF00D;
+ void *nil = NULL;
+
+ fprintf (stderr, "%d\n",
+ (int) (long) * (int*) ((1 == argc) ? badfood : nil));
+ return 0;
+}
Property changes on:
monkey/branches/MonkeyBacktracking/monkey/refs/src/bug_bad_food.c
___________________________________________________________________
Added: svn:mime-type
+ text/plain
Modified: monkey/branches/MonkeyBacktracking/monkey/src/pathologist/action_api.c
===================================================================
--- monkey/branches/MonkeyBacktracking/monkey/src/pathologist/action_api.c
2012-08-06 13:58:26 UTC (rev 23141)
+++ monkey/branches/MonkeyBacktracking/monkey/src/pathologist/action_api.c
2012-08-06 15:18:50 UTC (rev 23142)
@@ -187,15 +187,16 @@
/* Reaching this line means that the program has stopped
abnormally OR we are in backtracking mode, and it's a step backward */
cntxt->gdb_frames = gmi_stack_list_frames(cntxt->gdb_handle);
- while (NULL == cntxt->gdb_frames->file)
+ while ((NULL != cntxt->gdb_frames) && (NULL ==
cntxt->gdb_frames->file)) {
cntxt->gdb_frames = cntxt->gdb_frames->next;
+ }
- if (MONKEY_YES != isInCodeBase(cntxt->gdb_frames->file)) {
+ if ((NULL != cntxt->gdb_frames) && (MONKEY_YES !=
isInCodeBase(cntxt->gdb_frames->file))) {
do {
cntxt->gdb_frames = cntxt->gdb_frames->next;
- } while (MONKEY_YES !=
isInCodeBase(cntxt->gdb_frames->file));
+ } while ((NULL != cntxt->gdb_frames) && (MONKEY_YES !=
isInCodeBase(cntxt->gdb_frames->file)));
- if (MONKEY_YES == cntxt->run_reverse) {
+ if ((NULL != cntxt->gdb_frames) && (MONKEY_YES ==
cntxt->run_reverse)) {
/* We are in backtracking mode, we need to move
GDB from the shared library to our source code */
stoppedInSharedLib = MONKEY_YES;
gmi_break_insert(cntxt->gdb_handle,
cntxt->gdb_frames->file,
@@ -208,7 +209,7 @@
}
if (NULL == cntxt->gdb_frames) {
- fprintf(stderr, "Cannot get stack frames from gdb.\n");
// Something really bad happened. Abort!
+ fprintf(stderr, "Cannot get stack frames from gdb. You
might be debugging the wrong program.\n"); // Something really bad happened.
Abort!
return GDB_STATE_ERROR;
}
@@ -629,7 +630,6 @@
index++;
}
endScope = scopeEndPtr->lineNo;
- fprintf(stderr, "Pathologist set scope depth to %d\n",
index);
}
}
Modified:
monkey/branches/MonkeyBacktracking/monkey/src/pathologist/test_pathologist.c
===================================================================
---
monkey/branches/MonkeyBacktracking/monkey/src/pathologist/test_pathologist.c
2012-08-06 13:58:26 UTC (rev 23141)
+++
monkey/branches/MonkeyBacktracking/monkey/src/pathologist/test_pathologist.c
2012-08-06 15:18:50 UTC (rev 23142)
@@ -397,5 +397,16 @@
fprintf(stderr, "Test bug division by zero loop with depth
1000: PASSED\n");
}
+ // Bug Bad Food
+ fprintf(stderr, "Testing bug bad food...\n");
+ if (NO == runTest("ref_bug_bad_food_rpt.xml",
+ "test_bug_bad_food.xml", "bug_bad_food.db",
+ "bug_bad_food", commandStr)) {
+ ret = NO;
+ fprintf(stderr, "Test bug bad food: FAILED\n");
+ } else {
+ fprintf(stderr, "Test bug bad food: PASSED\n");
+ }
+
return ret;
}
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