[PATCH 20/45] linux-user: Make sure initial brk(0) is page-aligned

Richard Henderson posted 45 patches 2 years, 7 months ago
[PATCH 20/45] linux-user: Make sure initial brk(0) is page-aligned
Posted by Richard Henderson 2 years, 7 months ago
From: Andreas Schwab <schwab@suse.de>

Fixes: 86f04735ac ("linux-user: Fix brk() to release pages")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Message-Id: <mvmpm55qnno.fsf@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8b12774fba..04e07cf261 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -806,7 +806,7 @@ static abi_ulong brk_page;
 
 void target_set_brk(abi_ulong new_brk)
 {
-    target_brk = new_brk;
+    target_brk = TARGET_PAGE_ALIGN(new_brk);
     brk_page = HOST_PAGE_ALIGN(target_brk);
 }
 
-- 
2.34.1