lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

Add more checks for valid ld.so.cache file (bug 18093)

Browse Source
This commit is contained in:
Andreas Schwab
2018-10-23 09:40:14 +02:00
parent a27a4f4721
commit 2954daf00b
3 changed files with 16 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
elf/cache.c
View File

@ -199,6 +199,11 @@ print_cache (const char *cache_name)
}
else
{
/* Check for corruption, avoiding overflow. */
if ((cache_size - sizeof (struct cache_file)) / sizeof (struct file_entry)
< cache->nlibs)
error (EXIT_FAILURE, 0, _("File is not a cache file.\n"));
size_t offset = ALIGN_CACHE (sizeof (struct cache_file)
+ (cache->nlibs
* sizeof (struct file_entry)));