symname_hash_install won't check if spn has been installed before. If
it does, the second install will corrupt the hash table as well as
spn->cnt counting. It should never happen in normal cases, but we need
get notified if it happens.
Signed-off-by: Tao Liu <ltao@xxxxxxxxxx>
---
symbols.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/symbols.c b/symbols.c
index f8b4998..a453a6a 100644
--- a/symbols.c
+++ b/symbols.c
@@ -1167,6 +1167,7 @@ symname_hash_install(struct syment *table[], struct syment *spn)
spn->name_hash_next = NULL;
} else {
while (sp) {
+ assert(sp != spn);
if (STREQ(sp->name, spn->name)) {
sp->cnt++;
spn->cnt++;
--
2.29.2
--
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