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Commit revised version of Igor Kovalenko's patch for detecting whether dictionary allocations have overrun the memory

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buffer allocated for them.

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@741 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Igor V. Kovalenko
2010-04-12 20:02:53 +00:00
committed by Mark Cave-Ayland
parent 2f18dff299
commit 2d74db1de3
10 changed files with 27 additions and 2 deletions
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5
arch/amd64/openbios.c
View File

@@ -19,7 +19,8 @@
void boot(void);
static char intdict[256 * 1024];
#define DICTIONARY_SIZE (256*1024) /* 256K for the dictionary */
static char intdict[DICTIONARY_SIZE];
static void init_memory(void)
{
@@ -63,6 +64,8 @@ int openbios(void)
collect_sys_info(&sys_info);
dict=intdict;
dictlimit = DICTIONARY_SIZE;
load_dictionary((char *)sys_info.dict_start,
sys_info.dict_end-sys_info.dict_start);

2
arch/ppc/qemu/kernel.c
View File

@@ -83,6 +83,8 @@ int
initialize_forth( void )
{
dict = malloc(DICTIONARY_SIZE);
dictlimit = DICTIONARY_SIZE;
load_dictionary( forth_dictionary, sizeof(forth_dictionary) );
PUSH_xt( bind_noname_func(arch_of_init) );

2
arch/sparc32/openbios.c
View File

@@ -185,6 +185,8 @@ int openbios(void)
collect_sys_info(&sys_info);
dict = malloc(DICTIONARY_SIZE);
dictlimit = DICTIONARY_SIZE;
load_dictionary((char *)sys_info.dict_start,
(unsigned long)sys_info.dict_end
- (unsigned long)sys_info.dict_start);

2
arch/sparc64/openbios.c
View File

@@ -519,6 +519,8 @@ int openbios(void)
collect_sys_info(&sys_info);
dict = malloc(DICTIONARY_SIZE);
dictlimit = DICTIONARY_SIZE;
load_dictionary((char *)sys_info.dict_start,
(unsigned long)sys_info.dict_end
- (unsigned long)sys_info.dict_start);

1
arch/unix/unix.c
View File

@@ -485,6 +485,7 @@ int main(int argc, char *argv[])
return 1;
}
dictlimit = DICTIONARY_SIZE;
memset(dict, 0, DICTIONARY_SIZE);
if (!segfault) {

5
arch/x86/openbios.c
View File

@@ -22,7 +22,8 @@
void boot(void);
void collect_sys_info(struct sys_info *info);
static unsigned char intdict[256 * 1024];
#define DICTIONARY_SIZE (256*1024) /* 256K for the dictionary */
static unsigned char intdict[DICTIONARY_SIZE];
#ifdef CONFIG_DRIVER_PCI
static const pci_arch_t default_pci_host = {
@@ -86,6 +87,8 @@ int openbios(void)
collect_sys_info(&sys_info);
dict=intdict;
dictlimit = DICTIONARY_SIZE;
load_dictionary((char *)sys_info.dict_start,
(unsigned long)sys_info.dict_end -
(unsigned long)sys_info.dict_start);