From: Chen Gang <cheng...@emindsoft.com.cn>
In this case, real_end is larger than end, which may cause mmap_frag
process the incorrect memory region.
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
linux-user/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 7b459d5..57b0361 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -536,7 +536,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int
prot,
/* handle the end of the mapping */
if (end < real_end) {
ret = mmap_frag(real_end - qemu_host_page_size,
- real_end - qemu_host_page_size, real_end,
+ real_end - qemu_host_page_size, end,
prot, flags, fd,
offset + real_end - qemu_host_page_size - start);
if (ret == -1)
--
1.9.1
