Fix read access violation

This commit is contained in:
Roni Kirla 2023-05-07 00:13:33 +03:00
parent bb2e407772
commit a13fd5f7cc

View file

@ -72,7 +72,7 @@ MAP_MEMBER(void)::MapLocked(VaType virt, PaType phys, VaType size, ExtraBlockInf
}
}()};
if (block_end_predecessor->virt >= virt) {
if (block_end_predecessor != blocks.begin() && block_end_predecessor->virt >= virt) {
// If this block's start would be overlapped by the map then reuse it as a tail
// block
block_end_predecessor->virt = virt_end;