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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [pr38902.c] - Rev 316
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/* PR target/38902 */ /* { dg-do run } */ /* { dg-options "-O2 -fstack-protector" } */ /* { dg-require-effective-target fstack_protector } */ #ifdef DEBUG #include <stdio.h> #define debug(format, args...) printf (format , ## args) #else extern int sprintf (char *, const char *, ...); #define debug(format, args...) #endif extern void abort (void); /* Copyright (C) 2009 Canonical, Ltd. Author: Kees Cook <kees@ubuntu.com> License: GPLv3 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38616 https://bugs.launchpad.net/ubuntu/+source/gcc-4.3/+bug/316019 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38902 gcc -O2 -fstack-protector truncate.c -o truncate Broken: Only the first operation fails, so create a new function for each test. Source must be local (literal or stack) __builtin_memmove __builtin_memcpy __builtin_strcpy (optimized to __builtin_memcpy?) sprintf (direct) (optmized to __builtin_strcpy?) sprintf (via %s) (optmized to __builtin_strcpy?) OK: __builtin_strcat sprintf (complex format) */ char *heap = "1234567890abcdefghijklmnopqrstuvwxyz"; int failed = 0; #define CHECK(count, a...) \ void test##count (void) \ { \ char *local = "1234567890abcdefghijklmnopqrstuvwxyz"; \ char buffer[1024]=""; \ a; \ if (__builtin_strcmp(buffer, heap) == 0) { \ debug("Okay(%d):\n\t%s\n", count, # a); \ } \ else { \ debug("Failed(%d):\n\t%s\n", count, # a); \ failed++; \ } \ } CHECK( 0, __builtin_memcpy (buffer, "1234567890abcdefghijklmnopqrstuvwxyz", __builtin_strlen("1234567890abcdefghijklmnopqrstuvwxyz")+1); ); CHECK( 1, __builtin_memcpy (buffer, local, __builtin_strlen(local)+1); ); CHECK( 2, __builtin_memcpy (buffer, heap, __builtin_strlen(heap)+1); ); CHECK( 3, __builtin_memmove (buffer, "1234567890abcdefghijklmnopqrstuvwxyz", __builtin_strlen("1234567890abcdefghijklmnopqrstuvwxyz")+1); ); CHECK( 4, __builtin_memmove (buffer, local, __builtin_strlen(local)+1); ); CHECK( 5, __builtin_memmove (buffer, heap, __builtin_strlen(heap)+1); ); CHECK( 6, __builtin_strcpy (buffer, "1234567890abcdefghijklmnopqrstuvwxyz"); ); CHECK( 7, __builtin_strcpy (buffer, local); ); CHECK( 8, __builtin_strcpy (buffer, heap); ); CHECK( 9, sprintf (buffer, "1234567890abcdefghijklmnopqrstuvwxyz"); ); CHECK(10, sprintf (buffer, local); ); CHECK(11, sprintf (buffer, heap); ); CHECK(12, sprintf (buffer, "%s", "1234567890abcdefghijklmnopqrstuvwxyz"); ); CHECK(13, sprintf (buffer, "%s", local); ); CHECK(14, sprintf (buffer, "%s", heap); ); CHECK(15, __builtin_strcat (buffer, "1234567890abcdefghijklmnopqrstuvwxyz"); ); CHECK(16, __builtin_strcat (buffer, local); ); CHECK(17, __builtin_strcat (buffer, heap); ); void mongoose(void) { char buffer[1024]=""; sprintf (buffer, "%s", "1234567890abcdefghijklmnopqrstuvwxyz");; if (__builtin_strcmp(buffer, heap) == 0) { debug("Okay(%d):\n\t%s\n", -1, "sprintf (buffer, \"%s\", \"1234567890abcdefghijklmnopqrstuvwxyz\");"); } else { debug("Failed(%d):\n\t%s\n", -1, "sprintf (buffer, \"%s\", \"1234567890abcdefghijklmnopqrstuvwxyz\");"); failed++; } } int main (int argc, char *argv[]) { test0(); test1(); test2(); test3(); test4(); test5(); test6(); test7(); test8(); test9(); test10(); test11(); // wtf, why are these different?! test12(); mongoose(); test13(); test14(); test15(); test16(); test17(); if (failed) abort (); return 0; }
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