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| author |   Siddhesh Poyarekar <siddhesh@sourceware.org> | 2021-07-28 13:11:20 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2021-07-28 13:55:42 +0530 |
| commit | 4aedc25f55eda50010f2932fdb0a533db6f89f61 (patch) | |
| tree | f2c47e5d461974da36b6540ee3957a1fcbb31d37 /stdlib | |
| parent | manual: Drop the .so suffix in libc_malloc_debug description (diff) | |
| download | glibc-4aedc25f55eda50010f2932fdb0a533db6f89f61.tar.gz glibc-4aedc25f55eda50010f2932fdb0a533db6f89f61.tar.bz2 glibc-4aedc25f55eda50010f2932fdb0a533db6f89f61.zip | |
__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 <fweimer@redhat.com>
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/cxa_thread_atexit_impl.c | 4 |
1 files changed, 4 insertions, 0 deletions
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 <stdio.h> #include <stdlib.h> #include <ldsodefs.h> @@ -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; |