- fix segfault in reset_ino_dev_hashtable() when *hashtable was null.

  Seen in the testsuite for du -l .../testsuite on exit with CLEAN_UP enabled.

diff --git a/coreutils/du.c b/coreutils/du.c
index e5fe5ff..e95f3a2 100644 (file)
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -235,10 +235,8 @@ int du_main(int argc, char **argv)
                total += du(*argv);
                slink_depth = slink_depth_save;
        } while (*++argv);
-#if ENABLE_FEATURE_CLEAN_UP
-       reset_ino_dev_hashtable();
-#endif
-
+       if (ENABLE_FEATURE_CLEAN_UP)
+               reset_ino_dev_hashtable();
        if (print_final_total) {
                print(total, "total");
        }

diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
index 0705102..78c1b0f 100644 (file)
--- a/libbb/inode_hash.c
+++ b/libbb/inode_hash.c
@@ -77,7 +77,7 @@ void reset_ino_dev_hashtable(void)
        int i;
        ino_dev_hashtable_bucket_t *bucket;
 
-       for (i = 0; i < HASH_SIZE; i++) {
+       for (i = 0; ino_dev_hashtable && i < HASH_SIZE; i++) {
                while (ino_dev_hashtable[i] != NULL) {
                        bucket = ino_dev_hashtable[i]->next;
                        free(ino_dev_hashtable[i]);
@@ -87,4 +87,6 @@ void reset_ino_dev_hashtable(void)
        free(ino_dev_hashtable);
        ino_dev_hashtable = NULL;
 }
+#else
+void reset_ino_dev_hashtable(void);
 #endif