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(save_cache): Don't write beyond end of file_entries buffer. Duplicate last old cache entry if the count would be odd.
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parent
47ceb39de3
commit
062df96045
16
elf/cache.c
16
elf/cache.c
@ -305,6 +305,13 @@ save_cache (const char *cache_name)
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if (opt_format != 2)
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{
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/* struct cache_file_new is 64-bit aligned on some arches while
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only 32-bit aligned on other arches. Duplicate last old
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cache entry so that new cache in ld.so.cache can be used by
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both. */
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if (opt_format != 0)
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cache_entry_old_count = (cache_entry_old_count + 1) & ~1;
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/* And the list of all entries in the old format. */
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file_entries_size = sizeof (struct cache_file)
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+ cache_entry_old_count * sizeof (struct file_entry);
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@ -351,7 +358,7 @@ save_cache (const char *cache_name)
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entry = entry->next, ++idx_new)
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{
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/* First the library. */
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if (opt_format != 2)
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if (opt_format != 2 && entry->hwcap == 0)
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{
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file_entries->libs[idx_old].flags = entry->flags;
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/* XXX: Actually we can optimize here and remove duplicates. */
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@ -374,7 +381,7 @@ save_cache (const char *cache_name)
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++str;
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str_offset += len + 1;
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/* Then the path. */
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if (opt_format != 2)
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if (opt_format != 2 && entry->hwcap == 0)
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file_entries->libs[idx_old].value = str_offset + pad;
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if (opt_format != 0)
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file_entries_new->libs[idx_new].value = str_offset;
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@ -388,6 +395,11 @@ save_cache (const char *cache_name)
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++idx_old;
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}
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/* Duplicate last old cache entry if needed. */
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if (opt_format != 2
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&& idx_old < cache_entry_old_count)
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file_entries->libs[idx_old] = file_entries->libs[idx_old - 1];
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/* Write out the cache. */
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/* Write cache first to a temporary file and rename it later. */
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@ -11,8 +11,8 @@ email "Djan_Sacre@skynet.be, pablo@mandrakesoft.com"
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address ""
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tel ""
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fax ""
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language "wa"
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territory "BE"
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language "Walloon"
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territory "Belgium"
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revision "0.7"
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date "2002-02-11"
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@ -11,8 +11,8 @@ contact "Pablo Saratxaga"
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email "pablo@mandrakesoft.com"
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tel ""
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fax ""
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language "yi"
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territory "US"
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language "Yiddish"
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territory "USA"
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revision "0.3"
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date "2001-01-28"
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