X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fcoreparse.c;h=e7dbdfd153a46f7e757045b5e9ecaa252a1c7f5d;hb=43764bd6f6d471d361d96dc3bcbd06bd51bc9788;hp=0ed38c5e716be862a2f2b141f47bd37b87649a63;hpb=402958f92506b9d3de852601b8c1ccb99b5ee558;p=sbcl.git

diff --git a/src/runtime/coreparse.c b/src/runtime/coreparse.c
index 0ed38c5..e7dbdfd 100644
--- a/src/runtime/coreparse.c
+++ b/src/runtime/coreparse.c
@@ -107,7 +107,7 @@ lose:
 }
 
 static void
-process_directory(int fd, u32 *ptr, int count, os_vm_offset_t file_offset)
+process_directory(int fd, lispobj *ptr, int count, os_vm_offset_t file_offset)
 {
     struct ndir_entry *entry;
 
@@ -140,6 +140,13 @@ process_directory(int fd, u32 *ptr, int count, os_vm_offset_t file_offset)
 
         switch (id) {
         case DYNAMIC_CORE_SPACE_ID:
+            if (len > dynamic_space_size) {
+                fprintf(stderr,
+                        "dynamic space too small for core: %ldKiB required, %ldKiB available.\n",
+                        len >> 10,
+                        (long)dynamic_space_size >> 10);
+                exit(1);
+            }
 #ifdef LISP_FEATURE_GENCGC
             if (addr != (os_vm_address_t)DYNAMIC_SPACE_START) {
                 fprintf(stderr, "in core: 0x%lx; in runtime: 0x%lx \n",
@@ -342,7 +349,16 @@ load_core_file(char *file, os_vm_offset_t file_offset)
                 size -= bytes_read;
                 while (bytes_read) {
                     bytes_read -= sizeof(long);
-                    page_table[offset++].first_object_offset = data[i++];
+                    /* Ignore all zeroes. The size of the page table
+                     * core entry was rounded up to os_vm_page_size
+                     * during the save, and might now have more
+                     * elements than the page table.
+                     */
+                    if (data[i]) {
+                        page_table[offset].first_object_offset = data[i];
+                    }
+                    i++;
+                    offset++;
                 }
             }