From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 15:00:47 +0200 Subject: Adding upstream version 247.3. Signed-off-by: Daniel Baumann --- src/test/test-sigbus.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/test/test-sigbus.c (limited to 'src/test/test-sigbus.c') diff --git a/src/test/test-sigbus.c b/src/test/test-sigbus.c new file mode 100644 index 0000000..d141735 --- /dev/null +++ b/src/test/test-sigbus.c @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include + +#if HAVE_VALGRIND_VALGRIND_H +# include +#endif + +#include "fd-util.h" +#include "memory-util.h" +#include "sigbus.h" +#include "tests.h" + +int main(int argc, char *argv[]) { + _cleanup_close_ int fd = -1; + char template[] = "/tmp/sigbus-test-XXXXXX"; + void *addr = NULL; + uint8_t *p; + + test_setup_logging(LOG_INFO); + +#if HAS_FEATURE_ADDRESS_SANITIZER + return log_tests_skipped("address-sanitizer is enabled"); +#endif +#if HAVE_VALGRIND_VALGRIND_H + if (RUNNING_ON_VALGRIND) + return log_tests_skipped("This test cannot run on valgrind"); +#endif + + sigbus_install(); + + assert_se(sigbus_pop(&addr) == 0); + + assert_se((fd = mkostemp(template, O_RDWR|O_CREAT|O_EXCL)) >= 0); + assert_se(unlink(template) >= 0); + assert_se(posix_fallocate(fd, 0, page_size() * 8) >= 0); + + p = mmap(NULL, page_size() * 16, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); + assert_se(p != MAP_FAILED); + + assert_se(sigbus_pop(&addr) == 0); + + p[0] = 0xFF; + assert_se(sigbus_pop(&addr) == 0); + + p[page_size()] = 0xFF; + assert_se(sigbus_pop(&addr) == 0); + + p[page_size()*8] = 0xFF; + p[page_size()*8+1] = 0xFF; + p[page_size()*10] = 0xFF; + assert_se(sigbus_pop(&addr) > 0); + assert_se(addr == p + page_size() * 8); + assert_se(sigbus_pop(&addr) > 0); + assert_se(addr == p + page_size() * 10); + assert_se(sigbus_pop(&addr) == 0); + + sigbus_reset(); +} -- cgit v1.2.3