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glibc.30871
resolv-conf-lock.patch
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File resolv-conf-lock.patch of Package glibc.30871
From abcf8db7fa46b73fd5b8193ce11f9312301b84c7 Mon Sep 17 00:00:00 2001 From: Andreas Schwab <schwab@suse.de> Date: Wed, 7 Jun 2023 11:21:48 +0200 Subject: [PATCH] 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. --- resolv/resolv_conf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/resolv/resolv_conf.c b/resolv/resolv_conf.c index bd5890773b..8bc9edc634 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); } -- 2.41.0
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