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glibc/SOURCES/glibc-rh2213908.patch

28 lines
825 B

commit abcf8db7fa46b73fd5b8193ce11f9312301b84c7
Author: Andreas Schwab <schwab@suse.de>
Date: Wed Jun 7 11:21:48 2023 +0200
resolv_conf: release lock on allocation failure (bug 30527)
When the initial allocation of global fails, the local lock is left
locked.
Reported by Steffen Lammel of SAP HANA development.
diff --git a/resolv/resolv_conf.c b/resolv/resolv_conf.c
index 9010bf0ea4d84557..aab79e9f4e323df9 100644
--- a/resolv/resolv_conf.c
+++ b/resolv/resolv_conf.c
@@ -93,7 +93,10 @@ get_locked_global (void)
{
global_copy = calloc (1, sizeof (*global));
if (global_copy == NULL)
- return NULL;
+ {
+ __libc_lock_unlock (lock);
+ return NULL;
+ }
atomic_store_relaxed (&global, global_copy);
resolv_conf_array_init (&global_copy->array);
}