Patch taken from file comparison with openjdk@19. diff -u -r openjdk-9.alt/hotspot/test/runtime/StackGuardPages/exeinvoke.c openjdk-9/hotspot/test/runtime/StackGuardPages/exeinvoke.c --- openjdk-9.alt/hotspot/test/runtime/StackGuardPages/exeinvoke.c 2023-04-05 13:46:58.689964892 +0200 +++ openjdk-9/hotspot/test/runtime/StackGuardPages/exeinvoke.c 2023-04-05 14:15:52.435613325 +0200 @@ -67,8 +67,17 @@ longjmp(context, 1); } +static char* altstack = NULL; + void set_signal_handler() { - static char altstack[SIGSTKSZ]; + if (altstack == NULL) { + // Dynamically allocated in case SIGSTKSZ is not constant + altstack = (char*)malloc(SIGSTKSZ); + if (altstack == NULL) { + fprintf(stderr, "Test ERROR. Unable to malloc altstack space\n"); + exit(7); + } + } stack_t ss = { .ss_size = SIGSTKSZ,