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Re: [Qemu-trivial] [PATCH] hw/9pfs/virtio-9p-posix-acl: Fix out-of-bound


From: Aneesh Kumar K.V
Subject: Re: [Qemu-trivial] [PATCH] hw/9pfs/virtio-9p-posix-acl: Fix out-of-bounds access
Date: Fri, 13 Mar 2015 14:01:59 +0530
User-agent: Notmuch/0.19+30~gd241a48 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-pc-linux-gnu)

Shannon Zhao <address@hidden> writes:

> It's detected by coverity. Fix out-of-bounds access of the function 
> mp_dacl_listxattr.
>
> Signed-off-by: Shannon Zhao <address@hidden>
> Signed-off-by: Shannon Zhao <address@hidden>
> ---
>  hw/9pfs/virtio-9p-posix-acl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/9pfs/virtio-9p-posix-acl.c b/hw/9pfs/virtio-9p-posix-acl.c
> index 803d9d9..09dad07 100644
> --- a/hw/9pfs/virtio-9p-posix-acl.c
> +++ b/hw/9pfs/virtio-9p-posix-acl.c
> @@ -114,7 +114,7 @@ static ssize_t mp_dacl_listxattr(FsContext *ctx, const 
> char *path,
>      }
>
>      /* len includes the trailing NUL */
> -    memcpy(value, ACL_ACCESS, len);
> +    memcpy(value, ACL_DEFAULT, len);
>      return 0;
>  }

Applied.

Thanks
-aneesh




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