diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2026-04-26 01:53:45 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2026-04-26 01:56:14 +0000 |
| commit | e3b8e55e710bf355f371d798aa943281007a7ea9 (patch) | |
| tree | ed294625d5c8e9fdc04563622f29c730707b0303 | |
| parent | a02d794f5acd12ba3cf1de5c204a8dd56af47edd (diff) | |
netbsd-tests: Fix the mmap_truncate_signal test
Add a volatile qualifier in the loop which triggers SIGBUS, as otherwise
the compiler is smart enough to elide it, replacing it with a check for
page != 0.
MFC after: 1 week
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_mmap.c b/contrib/netbsd-tests/lib/libc/sys/t_mmap.c index b62c6299d3c2..5b9685658f65 100644 --- a/contrib/netbsd-tests/lib/libc/sys/t_mmap.c +++ b/contrib/netbsd-tests/lib/libc/sys/t_mmap.c @@ -504,7 +504,7 @@ ATF_TC_BODY(mmap_truncate_signal, tc) ATF_REQUIRE(signal(SIGSEGV, map_sighandler) != SIG_ERR); sta = 0; for (i = 0; i < page; i++) - sta += map[i]; + sta += ((volatile char *)map)[i]; /* child never will get this far, but the compiler will not know, so better use the values calculated to prevent the access to be optimized out */ |