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-rw-r--r--linux-user/linuxload.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/linux-user/linuxload.c b/linux-user/linuxload.c
index 42a02d206d..684ec06ce3 100644
--- a/linux-user/linuxload.c
+++ b/linux-user/linuxload.c
@@ -13,14 +13,17 @@
#define NGROUPS 32
/* ??? This should really be somewhere else. */
-void memcpy_to_target(abi_ulong dest, const void *src,
- unsigned long len)
+abi_long memcpy_to_target(abi_ulong dest, const void *src,
+ unsigned long len)
{
void *host_ptr;
- host_ptr = lock_user(dest, len, 0);
+ host_ptr = lock_user(VERIFY_WRITE, dest, len, 0);
+ if (!host_ptr)
+ return -TARGET_EFAULT;
memcpy(host_ptr, src, len);
unlock_user(host_ptr, dest, 1);
+ return 0;
}
static int in_group_p(gid_t g)