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Kernel: Add a size argument to validate_read_from_kernel

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This commit is contained in:
Conrad Pankoff 2019-12-24 11:01:23 +11:00 • committed by Andreas Kling
parent a3590ca602
commit 3aaeff483b
4 changed files with 7 additions and 7 deletions
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4
Kernel/KSyms.cpp
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@ -104,12 +104,12 @@ static void load_ksyms_from_data(const ByteBuffer& buffer)
RecognizedSymbol recognized_symbols[max_recognized_symbol_count];
int recognized_symbol_count = 0;
if (use_ksyms) {
for (u32* stack_ptr = (u32*)ebp; current->process().validate_read_from_kernel(VirtualAddress((u32)stack_ptr)) && recognized_symbol_count < max_recognized_symbol_count; stack_ptr = (u32*)*stack_ptr) {
for (u32* stack_ptr = (u32*)ebp; current->process().validate_read_from_kernel(VirtualAddress((u32)stack_ptr), sizeof(void*) * 2) && recognized_symbol_count < max_recognized_symbol_count; stack_ptr = (u32*)*stack_ptr) {
u32 retaddr = stack_ptr[1];
recognized_symbols[recognized_symbol_count++] = { retaddr, ksymbolicate(retaddr) };
}
} else {
for (u32* stack_ptr = (u32*)ebp; current->process().validate_read_from_kernel(VirtualAddress((u32)stack_ptr)); stack_ptr = (u32*)*stack_ptr) {
for (u32* stack_ptr = (u32*)ebp; current->process().validate_read_from_kernel(VirtualAddress((u32)stack_ptr), sizeof(void*) * 2); stack_ptr = (u32*)*stack_ptr) {
u32 retaddr = stack_ptr[1];
dbgprintf("%x (next: %x)\n", retaddr, stack_ptr ? (u32*)*stack_ptr : 0);
}