raeofsunshine
/
KimisOS
mirror of https://github.com/raeofsunshinedev/KimisOS.git
2
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix potential index-out-of-bounds in pm_init()

This commit is contained in:
notsomeidiot123 2026-07-04 11:52:13 -04:00
parent ebb9dffd0a
commit 672f77d12e
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/kernel/arch_i386/memory.c
View File

@ -80,7 +80,7 @@ int pm_init(kernel_info_t *kernel_info){
// mlog("KERNEL", " BASE | LENGTH | TYPE\n --------|--------|----\n", MLOG_PRINT); // mlog("KERNEL", " BASE | LENGTH | TYPE\n --------|--------|----\n", MLOG_PRINT);
for(uint32_t i = 0; i < kernel_info->mmap_entry_count; i++){ for(uint32_t i = 0; i < kernel_info->mmap_entry_count; i++){
for(uint32_t j = 0; j < (mmap[i].entry_length >> 12); j++){ for(uint32_t j = 0; j < (mmap[i].entry_length >> 12); j++){
if(mmap[i].entry_base + (j << 12) <= mmap[i-1].entry_base + mmap[i-1].entry_length){ if(i != 0 && mmap[i].entry_base + (j << 12) <= mmap[i-1].entry_base + mmap[i-1].entry_length){
continue; continue;
} }
// printf("j = %d\nIndex:%x\n", j, (mmap[i].entry_base >> 12) + (j & 3)); // printf("j = %d\nIndex:%x\n", j, (mmap[i].entry_base >> 12) + (j & 3));