diff options
Diffstat (limited to 'debug')
| -rw-r--r-- | debug/Makefile | 1 | ||||
| -rw-r--r-- | debug/tst-longjmp_chk3.c | 13 |
2 files changed, 10 insertions, 4 deletions
diff --git a/debug/Makefile b/debug/Makefile index 89ee80bf4d..278e44c6ad 100644 --- a/debug/Makefile +++ b/debug/Makefile @@ -288,6 +288,7 @@ tests = \ tst-fortify-wide \ tst-longjmp_chk \ tst-longjmp_chk2 \ + tst-longjmp_chk3 \ tst-realpath-chk \ tst-sprintf-fortify-rdonly \ tst-sprintf-fortify-unchecked \ diff --git a/debug/tst-longjmp_chk3.c b/debug/tst-longjmp_chk3.c index 9ff9977207..7bf1646b35 100644 --- a/debug/tst-longjmp_chk3.c +++ b/debug/tst-longjmp_chk3.c @@ -18,9 +18,12 @@ #include <setjmp.h> #include <signal.h> +#include <stdio.h> #include <string.h> -static char buf[SIGSTKSZ * 4]; +#include <support/support.h> + +static char *buf; static jmp_buf jb; static void @@ -49,8 +52,10 @@ do_test (void) set_fortify_handler (handler); /* Create a valid signal stack and enable it. */ + size_t bufsize = SIGSTKSZ * 4; + buf = xmalloc (bufsize); ss.ss_sp = buf; - ss.ss_size = sizeof (buf); + ss.ss_size = bufsize; ss.ss_flags = 0; if (sigaltstack (&ss, NULL) < 0) { @@ -65,8 +70,8 @@ do_test (void) /* Shrink the signal stack so the jmpbuf is now invalid. We adjust the start & end to handle stacks that grow up & down. */ - ss.ss_sp = buf + sizeof (buf) / 2; - ss.ss_size = sizeof (buf) / 4; + ss.ss_sp = buf + bufsize / 2; + ss.ss_size = bufsize / 4; if (sigaltstack (&ss, NULL) < 0) { printf ("second sigaltstack failed: %m\n"); |