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 <[email protected]> --- 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 -- Crash-utility mailing list [email protected] https://listman.redhat.com/mailman/listinfo/crash-utility
