From 4aedc25f55eda50010f2932fdb0a533db6f89f61 Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Wed, 28 Jul 2021 13:11:20 +0530 Subject: __cxa_thread_atexit_impl: Abort on allocation failure [BZ #18524] Abort in the unlikely event that allocation fails when trying to register a TLS destructor. Reviewed-by: Florian Weimer --- stdlib/cxa_thread_atexit_impl.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'stdlib/cxa_thread_atexit_impl.c') diff --git a/stdlib/cxa_thread_atexit_impl.c b/stdlib/cxa_thread_atexit_impl.c index 577ed30931..fa6901a3a6 100644 --- a/stdlib/cxa_thread_atexit_impl.c +++ b/stdlib/cxa_thread_atexit_impl.c @@ -72,6 +72,7 @@ is not very different from a case where __call_tls_dtors is called after _dl_close_worker on the DSO and hence is an accepted execution. */ +#include #include #include @@ -104,6 +105,9 @@ __cxa_thread_atexit_impl (dtor_func func, void *obj, void *dso_symbol) /* Prepend. */ struct dtor_list *new = calloc (1, sizeof (struct dtor_list)); + if (__glibc_unlikely (new == NULL)) + __libc_fatal ("Fatal glibc error: failed to register TLS destructor: " + "out of memory\n"); new->func = func; new->obj = obj; new->next = tls_dtor_list; -- cgit 1.4.1