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[Qemu-devel] [PATCH] linux-user/mmap.c: Use end instead of real_end in t
From: |
chengang |
Subject: |
[Qemu-devel] [PATCH] linux-user/mmap.c: Use end instead of real_end in target_mmap |
Date: |
Thu, 24 Dec 2015 09:07:33 +0800 |
From: Chen Gang <address@hidden>
In this case, real_end is larger than end, which may cause mmap_frag
process the incorrect memory region.
Signed-off-by: Chen Gang <address@hidden>
---
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
- [Qemu-devel] [PATCH] linux-user/mmap.c: Use end instead of real_end in target_mmap,
chengang <=