machinarium/sources/tls.c: fix SIGSEGV (#725)

mm_tls_read can have io without on_read Signed-off-by: rkhapov <[email protected]> Co-authored-by: rkhapov <[email protected]>
yandex · Dec 10, 2024 · 8dc89ce · 8dc89ce
1 parent 9ea042d
commit 8dc89ce
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/third_party/machinarium/sources/tls.c b/third_party/machinarium/sources/tls.c
@@ -810,7 +810,7 @@ int mm_tls_read(mm_io_t *io, char *buf, int size)
 	int rc;
 	rc = SSL_read(io->tls_ssl, buf, size);
 	if (rc > 0) {
-		if (mm_tls_read_pending(io)) {
+		if (io->on_read != NULL && mm_tls_read_pending(io)) {
 			mm_cond_signal((mm_cond_t *)io->on_read,
 				       &mm_self->scheduler);
 		}