diff options
Diffstat (limited to 'Kernel/Arch/i386/CPU.cpp')
| -rw-r--r-- | Kernel/Arch/i386/CPU.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Kernel/Arch/i386/CPU.cpp b/Kernel/Arch/i386/CPU.cpp index d1ef90e6a4..52082ecc3d 100644 --- a/Kernel/Arch/i386/CPU.cpp +++ b/Kernel/Arch/i386/CPU.cpp @@ -317,10 +317,16 @@ void page_fault_handler(RegisterDump regs) u32 malloc_scrub_pattern = explode_byte(MALLOC_SCRUB_BYTE); u32 free_scrub_pattern = explode_byte(FREE_SCRUB_BYTE); + u32 kmalloc_scrub_pattern = explode_byte(KMALLOC_SCRUB_BYTE); + u32 kfree_scrub_pattern = explode_byte(KFREE_SCRUB_BYTE); if ((fault_address & 0xffff0000) == (malloc_scrub_pattern & 0xffff0000)) { kprintf("\033[33;1mNote: Address %p looks like it may be uninitialized malloc() memory\033[0m\n", fault_address); } else if ((fault_address & 0xffff0000) == (free_scrub_pattern & 0xffff0000)) { kprintf("\033[33;1mNote: Address %p looks like it may be recently free()'d memory\033[0m\n", fault_address); + } else if ((fault_address & 0xffff0000) == (kmalloc_scrub_pattern & 0xffff0000)) { + kprintf("\033[33;1mNote: Address %p looks like it may be uninitialized kmalloc() memory\033[0m\n", fault_address); + } else if ((fault_address & 0xffff0000) == (kfree_scrub_pattern & 0xffff0000)) { + kprintf("\033[33;1mNote: Address %p looks like it may be recently kfree()'d memory\033[0m\n", fault_address); } else if (fault_address < 4096) { kprintf("\033[33;1mNote: Address %p looks like a possible nullptr dereference\033[0m\n", fault_address); } |