I found that the function *grub_disk_cache_store* didn't check for *cache->lock* before free *cache->data*, and didn't set *cache->lock* before memcpy something to *cache->data*. If multi thread handle with the same cache at the same time, it will cause a fault. I have created a patch for it.
0001-Add-check-when-store-disk-cache.patch
Description: Binary data
_______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
