From: Paul Floyd <pjfloyd@wanadoo.fr>
Date: Thu, 19 Mar 2026 19:05:18 +0000 (+0100)
Subject: Darwin regtest: small change for memcheck descr_belowsp
X-Git-Tag: VALGRIND_3_27_0~80
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=466aeac29db79999d3bc04b011908ae07c46915c;p=thirdparty%2Fvalgrind.git

Darwin regtest: small change for memcheck descr_belowsp

On Darwin reading below the bottom of the allowed stack produces a SIGBUS
not a SIGSEGV. So handle that as well.

The test still fails as the macOS describe mechanism is very different,
relying on OS vm functions.
---

diff --git a/memcheck/tests/descr_belowsp.c b/memcheck/tests/descr_belowsp.c
index 4b429d36a..ea82e15ea 100644
--- a/memcheck/tests/descr_belowsp.c
+++ b/memcheck/tests/descr_belowsp.c
@@ -160,6 +160,10 @@ int main(int argc, const char** argv)
 
    if (sigaction (SIGSEGV, &sa, NULL) != 0)
       perror("sigaction");
+#if defined(__APPLE__)
+   if (sigaction (SIGBUS, &sa, NULL) != 0)
+      perror("sigaction");
+#endif
 
    grow_the_stack();
    bad_things_below_sp();