diff mbox series

[45/60] tests/tcg: Extend file in linux-madvise.c

Message ID 20240301230619.661008-46-richard.henderson@linaro.org
State Accepted
Commit 6ada8619510002e7b0ad5925597232c750282592
Headers show
Series [01/60] linux-user/elfload: Disable core dump if getrlimit fails | expand

Commit Message

Richard Henderson March 1, 2024, 11:06 p.m. UTC 
When guest page size > host page size, this test can fail
due to the SIGBUS protection hack.  Avoid this by making
sure that the file size is at least one guest page.

Visible with alpha guest on x86_64 host.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20240102015808.132373-26-richard.henderson@linaro.org>
---
 tests/tcg/multiarch/linux/linux-madvise.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/tests/tcg/multiarch/linux/linux-madvise.c b/tests/tcg/multiarch/linux/linux-madvise.c
index 29d0997e68..539fb3b772 100644
--- a/tests/tcg/multiarch/linux/linux-madvise.c
+++ b/tests/tcg/multiarch/linux/linux-madvise.c
@@ -42,6 +42,8 @@  static void test_file(void)
     assert(ret == 0);
     written = write(fd, &c, sizeof(c));
     assert(written == sizeof(c));
+    ret = ftruncate(fd, pagesize);
+    assert(ret == 0);
     page = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE, fd, 0);
     assert(page != MAP_FAILED);