[libvirt] [PATCH] util: fix memory leak in virSocketAddrFormatFull

Yi Wang posted 1 patch 6 years, 10 months ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/libvirt tags/patchew/1495764765-12117-1-git-send-email-wang.yi59@zte.com.cn
src/util/virsocketaddr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
[libvirt] [PATCH] util: fix memory leak in virSocketAddrFormatFull
Posted by Yi Wang 6 years, 10 months ago
The @ipv6_host allocated in virAsprintf may be lost when virAsprintf
addrstr failed.

Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
---
 src/util/virsocketaddr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/util/virsocketaddr.c b/src/util/virsocketaddr.c
index 9dffbc7..95b5274 100644
--- a/src/util/virsocketaddr.c
+++ b/src/util/virsocketaddr.c
@@ -417,8 +417,10 @@ virSocketAddrFormatFull(const virSocketAddr *addr,
 
         if (virAsprintf(&addrstr, "%s%s%s",
                         ipv6_host ? ipv6_host : host,
-                        separator ? separator : ":", port) == -1)
+                        separator ? separator : ":", port) == -1) {
+            VIR_FREE(ipv6_host);
             goto error;
+        }
 
         VIR_FREE(ipv6_host);
     } else {
-- 
1.8.3.1


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Re: [libvirt] [PATCH] util: fix memory leak in virSocketAddrFormatFull
Posted by Erik Skultety 6 years, 10 months ago
On Thu, May 25, 2017 at 10:12:45PM -0400, Yi Wang wrote:
> The @ipv6_host allocated in virAsprintf may be lost when virAsprintf
> addrstr failed.
>
> Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
> ---
>  src/util/virsocketaddr.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/src/util/virsocketaddr.c b/src/util/virsocketaddr.c
> index 9dffbc7..95b5274 100644
> --- a/src/util/virsocketaddr.c
> +++ b/src/util/virsocketaddr.c
> @@ -417,8 +417,10 @@ virSocketAddrFormatFull(const virSocketAddr *addr,
>
>          if (virAsprintf(&addrstr, "%s%s%s",
>                          ipv6_host ? ipv6_host : host,
> -                        separator ? separator : ":", port) == -1)
> +                        separator ? separator : ":", port) == -1) {
> +            VIR_FREE(ipv6_host);
>              goto error;
> +        }
>
>          VIR_FREE(ipv6_host);
>      } else {
> --
> 1.8.3.1

ACK and pushed.

Thanks,
Erik

>
>
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