* [PATCH] 9pfs: local: Fix possible memory leak in local_link()
@ 2019-12-20 9:49 Jiajun Chen
2019-12-20 14:42 ` Christian Schoenebeck
2019-12-23 10:59 ` Greg Kurz
0 siblings, 2 replies; 4+ messages in thread
From: Jiajun Chen @ 2019-12-20 9:49 UTC (permalink / raw)
To: groug; +Cc: qemu-devel, xiexiangyou
There is a possible memory leak while local_link return -1 without free
odirpath and oname.
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
---
hw/9pfs/9p-local.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index 4708c0bd89..491b08aee8 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
local_is_mapped_file_metadata(ctx, name)) {
errno = EINVAL;
- return -1;
+ goto out;
}
odirfd = local_opendir_nofollow(ctx, odirpath);
--
2.21.0.windows.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] 9pfs: local: Fix possible memory leak in local_link()
2019-12-20 9:49 [PATCH] 9pfs: local: Fix possible memory leak in local_link() Jiajun Chen
@ 2019-12-20 14:42 ` Christian Schoenebeck
2019-12-23 10:59 ` Greg Kurz
1 sibling, 0 replies; 4+ messages in thread
From: Christian Schoenebeck @ 2019-12-20 14:42 UTC (permalink / raw)
To: qemu-devel; +Cc: Jiajun Chen, Greg Kurz, xiexiangyou
On Freitag, 20. Dezember 2019 10:49:34 CET Jiajun Chen wrote:
> There is a possible memory leak while local_link return -1 without free
> odirpath and oname.
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
> ---
> hw/9pfs/9p-local.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
> index 4708c0bd89..491b08aee8 100644
> --- a/hw/9pfs/9p-local.c
> +++ b/hw/9pfs/9p-local.c
> @@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
> if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
> local_is_mapped_file_metadata(ctx, name)) {
> errno = EINVAL;
> - return -1;
> + goto out;
> }
>
> odirfd = local_opendir_nofollow(ctx, odirpath);
Best regards,
Christian Schoenebeck
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] 9pfs: local: Fix possible memory leak in local_link()
2019-12-20 9:49 [PATCH] 9pfs: local: Fix possible memory leak in local_link() Jiajun Chen
2019-12-20 14:42 ` Christian Schoenebeck
@ 2019-12-23 10:59 ` Greg Kurz
2020-01-06 11:07 ` Philippe Mathieu-Daudé
1 sibling, 1 reply; 4+ messages in thread
From: Greg Kurz @ 2019-12-23 10:59 UTC (permalink / raw)
To: Jiajun Chen; +Cc: Christian Schoenebeck, qemu-devel, xiexiangyou
On Fri, 20 Dec 2019 17:49:34 +0800
Jiajun Chen <chenjiajun8@huawei.com> wrote:
> There is a possible memory leak while local_link return -1 without free
> odirpath and oname.
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
> ---
Applied to 9p-next.
Thanks.
> hw/9pfs/9p-local.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
> index 4708c0bd89..491b08aee8 100644
> --- a/hw/9pfs/9p-local.c
> +++ b/hw/9pfs/9p-local.c
> @@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
> if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
> local_is_mapped_file_metadata(ctx, name)) {
> errno = EINVAL;
> - return -1;
> + goto out;
> }
>
> odirfd = local_opendir_nofollow(ctx, odirpath);
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] 9pfs: local: Fix possible memory leak in local_link()
2019-12-23 10:59 ` Greg Kurz
@ 2020-01-06 11:07 ` Philippe Mathieu-Daudé
0 siblings, 0 replies; 4+ messages in thread
From: Philippe Mathieu-Daudé @ 2020-01-06 11:07 UTC (permalink / raw)
To: Greg Kurz, Jiajun Chen; +Cc: Christian Schoenebeck, qemu-devel, xiexiangyou
On 12/23/19 11:59 AM, Greg Kurz wrote:
> On Fri, 20 Dec 2019 17:49:34 +0800
> Jiajun Chen <chenjiajun8@huawei.com> wrote:
>
>> There is a possible memory leak while local_link return -1 without free
>> odirpath and oname.
>>
>> Reported-by: Euler Robot <euler.robot@huawei.com>
>> Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
>> Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
>> ---
>
> Applied to 9p-next.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>
> Thanks.
>
>> hw/9pfs/9p-local.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
>> index 4708c0bd89..491b08aee8 100644
>> --- a/hw/9pfs/9p-local.c
>> +++ b/hw/9pfs/9p-local.c
>> @@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
>> if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
>> local_is_mapped_file_metadata(ctx, name)) {
>> errno = EINVAL;
>> - return -1;
>> + goto out;
>> }
>>
>> odirfd = local_opendir_nofollow(ctx, odirpath);
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-01-06 11:07 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2019-12-20 9:49 [PATCH] 9pfs: local: Fix possible memory leak in local_link() Jiajun Chen
2019-12-20 14:42 ` Christian Schoenebeck
2019-12-23 10:59 ` Greg Kurz
2020-01-06 11:07 ` Philippe Mathieu-Daudé
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