enderice2/Fennix
enderice2/Fennix
1
0
Fork 0
mirror of https://github.com/EnderIce2/Fennix.git synced 2025-05-28 15:34:31 +00:00
Code Issues Actions Releases Wiki Activity

fix(kernel): validate symbol entries to prevent processing of invalid symbols

Browse Source
This commit is contained in:
EnderIce2 2025-04-07 05:35:17 +00:00
parent 2d2d28689c
commit a16a88b5f9
Signed by: enderice2
GPG Key ID: FEB6B8A8507BA62E
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Kernel/core/symbols.cpp
View File

@ -178,6 +178,12 @@ namespace SymbolResolver
continue;
}
if (unlikely(sym->st_name == (Elf_Word)-1 || sym->st_value == (Elf_Addr)-1 || sym->st_size == (uintptr_t)-1))
{
error("Symbol %d is invalid", i);
continue;
}
name = (const char *)&StringAddress[Symbols[i].st_name];
if (!vmm.Check((void *)name))
{