From: Timothy Redaelli <[email protected]>
realloc with size == 0 can return NULL, and passing NULL to qsort will
cause a SEGFAULT (CERT MEM04-C)
---
lib/libalpm/be_local.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index 93763966..a734eba3 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -790,6 +790,9 @@ static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t
inforeq)
memcpy(files[files_count].name, line,
len);
files_count++;
}
+ if (files_count == 0) {
+ continue;
+ }
/* attempt to hand back any memory we don't
need */
files = realloc(files, sizeof(alpm_file_t) *
files_count);
/* make sure the list is sorted */
--
2.2.0
