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-rw-r--r--util/mkelfImage/linux-i386/mkelf-linux-i386.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/util/mkelfImage/linux-i386/mkelf-linux-i386.c b/util/mkelfImage/linux-i386/mkelf-linux-i386.c
index e5fdd78087..172c05ad17 100644
--- a/util/mkelfImage/linux-i386/mkelf-linux-i386.c
+++ b/util/mkelfImage/linux-i386/mkelf-linux-i386.c
@@ -157,14 +157,16 @@ char *linux_i386_probe(char *kernel_buf, off_t kernel_size)
return result;
}
+#define NR_SECTIONS 16
+
struct kernel_info
{
int phdrs;
- void *kernel[4];
- size_t filesz[4];
- size_t memsz[4];
- size_t paddr[4];
- size_t vaddr[4];
+ void *kernel[NR_SECTIONS];
+ size_t filesz[NR_SECTIONS];
+ size_t memsz[NR_SECTIONS];
+ size_t paddr[NR_SECTIONS];
+ size_t vaddr[NR_SECTIONS];
size_t entry;
size_t switch_64;
char *version;
@@ -182,6 +184,8 @@ static void parse_elf32_kernel(struct kernel_info *info, char *kernel_buf, size_
for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
continue;
+ if(phdrs == NR_SECTIONS)
+ die("NR_SECTIONS is too small\n");
info->kernel[phdrs] = kernel_buf + le32_to_cpu(phdr[i].p_offset);
info->filesz[phdrs] = le32_to_cpu(phdr[i].p_filesz);
info->memsz[phdrs] = le32_to_cpu(phdr[i].p_memsz);
@@ -212,10 +216,12 @@ static void parse_elf64_kernel(struct kernel_info *info, char *kernel_buf, size_
for(i = 0; i < le16_to_cpu(ehdr->e_phnum); i++) {
if (le32_to_cpu(phdr[i].p_type) != PT_LOAD)
continue;
+ if(phdrs == NR_SECTIONS)
+ die("NR_SECTIONS is too small\n");
info->kernel[phdrs] = kernel_buf + le64_to_cpu(phdr[i].p_offset);
info->filesz[phdrs] = le64_to_cpu(phdr[i].p_filesz);
info->memsz[phdrs] = le64_to_cpu(phdr[i].p_memsz);
- info->paddr[phdrs] = le64_to_cpu(phdr[i].p_paddr) & 0xffffff;
+ info->paddr[phdrs] = le64_to_cpu(phdr[i].p_paddr) & 0xfffffff;
info->vaddr[phdrs] = le64_to_cpu(phdr[i].p_vaddr);
phdrs++;
}