* [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
@ 2024-05-09 18:36 Daniel Jurgens
2024-05-09 18:42 ` Jens Axboe
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Daniel Jurgens @ 2024-05-09 18:36 UTC (permalink / raw
To: netdev
Cc: mst, jasowang, xuanzhuo, virtualization, davem, edumazet, kuba,
pabeni, jiri, axboe, Daniel Jurgens
The pointer delcaration was missing the __free(kfree).
Fixes: ff7c7d9f5261 ("virtio_net: Remove command data from control_buf")
Reported-by: Jens Axboe <axboe@kernel.dk>
Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
---
drivers/net/virtio_net.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index df6121c38a1b..42da535913ed 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2884,7 +2884,6 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
static int virtnet_close(struct net_device *dev)
{
- u8 *promisc_allmulti __free(kfree) = NULL;
struct virtnet_info *vi = netdev_priv(dev);
int i;
@@ -2905,11 +2904,11 @@ static void virtnet_rx_mode_work(struct work_struct *work)
{
struct virtnet_info *vi =
container_of(work, struct virtnet_info, rx_mode_work);
+ u8 *promisc_allmulti __free(kfree) = NULL;
struct net_device *dev = vi->dev;
struct scatterlist sg[2];
struct virtio_net_ctrl_mac *mac_data;
struct netdev_hw_addr *ha;
- u8 *promisc_allmulti;
int uc_count;
int mc_count;
void *buf;
--
2.45.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
2024-05-09 18:36 [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Daniel Jurgens
@ 2024-05-09 18:42 ` Jens Axboe
2024-05-10 1:19 ` Xuan Zhuo
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Jens Axboe @ 2024-05-09 18:42 UTC (permalink / raw
To: Daniel Jurgens, netdev
Cc: mst, jasowang, xuanzhuo, virtualization, davem, edumazet, kuba,
pabeni, jiri
On 5/9/24 12:36 PM, Daniel Jurgens wrote:
> The pointer delcaration was missing the __free(kfree).
Works for me:
Tested-by: Jens Axboe <axboe@kernel.dk>
--
Jens Axboe
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
2024-05-09 18:36 [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Daniel Jurgens
2024-05-09 18:42 ` Jens Axboe
@ 2024-05-10 1:19 ` Xuan Zhuo
2024-05-10 10:07 ` Michael S. Tsirkin
2024-05-11 1:30 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: Xuan Zhuo @ 2024-05-10 1:19 UTC (permalink / raw
To: Daniel Jurgens
Cc: mst, jasowang, xuanzhuo, virtualization, davem, edumazet, kuba,
pabeni, jiri, axboe, Daniel Jurgens, netdev
On Thu, 9 May 2024 13:36:34 -0500, Daniel Jurgens <danielj@nvidia.com> wrote:
> The pointer delcaration was missing the __free(kfree).
>
> Fixes: ff7c7d9f5261 ("virtio_net: Remove command data from control_buf")
> Reported-by: Jens Axboe <axboe@kernel.dk>
> Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/
> Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
> ---
> drivers/net/virtio_net.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index df6121c38a1b..42da535913ed 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2884,7 +2884,6 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
>
> static int virtnet_close(struct net_device *dev)
> {
> - u8 *promisc_allmulti __free(kfree) = NULL;
> struct virtnet_info *vi = netdev_priv(dev);
> int i;
>
> @@ -2905,11 +2904,11 @@ static void virtnet_rx_mode_work(struct work_struct *work)
> {
> struct virtnet_info *vi =
> container_of(work, struct virtnet_info, rx_mode_work);
> + u8 *promisc_allmulti __free(kfree) = NULL;
> struct net_device *dev = vi->dev;
> struct scatterlist sg[2];
> struct virtio_net_ctrl_mac *mac_data;
> struct netdev_hw_addr *ha;
> - u8 *promisc_allmulti;
> int uc_count;
> int mc_count;
> void *buf;
> --
> 2.45.0
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
2024-05-09 18:36 [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Daniel Jurgens
2024-05-09 18:42 ` Jens Axboe
2024-05-10 1:19 ` Xuan Zhuo
@ 2024-05-10 10:07 ` Michael S. Tsirkin
2024-05-11 1:30 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: Michael S. Tsirkin @ 2024-05-10 10:07 UTC (permalink / raw
To: Daniel Jurgens
Cc: netdev, jasowang, xuanzhuo, virtualization, davem, edumazet, kuba,
pabeni, jiri, axboe
On Thu, May 09, 2024 at 01:36:34PM -0500, Daniel Jurgens wrote:
> The pointer delcaration was missing the __free(kfree).
>
> Fixes: ff7c7d9f5261 ("virtio_net: Remove command data from control_buf")
> Reported-by: Jens Axboe <axboe@kernel.dk>
> Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/
> Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> drivers/net/virtio_net.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index df6121c38a1b..42da535913ed 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2884,7 +2884,6 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
>
> static int virtnet_close(struct net_device *dev)
> {
> - u8 *promisc_allmulti __free(kfree) = NULL;
> struct virtnet_info *vi = netdev_priv(dev);
> int i;
>
> @@ -2905,11 +2904,11 @@ static void virtnet_rx_mode_work(struct work_struct *work)
> {
> struct virtnet_info *vi =
> container_of(work, struct virtnet_info, rx_mode_work);
> + u8 *promisc_allmulti __free(kfree) = NULL;
> struct net_device *dev = vi->dev;
> struct scatterlist sg[2];
> struct virtio_net_ctrl_mac *mac_data;
> struct netdev_hw_addr *ha;
> - u8 *promisc_allmulti;
> int uc_count;
> int mc_count;
> void *buf;
> --
> 2.45.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
2024-05-09 18:36 [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Daniel Jurgens
` (2 preceding siblings ...)
2024-05-10 10:07 ` Michael S. Tsirkin
@ 2024-05-11 1:30 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-05-11 1:30 UTC (permalink / raw
To: Dan Jurgens
Cc: netdev, mst, jasowang, xuanzhuo, virtualization, davem, edumazet,
kuba, pabeni, jiri, axboe
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 9 May 2024 13:36:34 -0500 you wrote:
> The pointer delcaration was missing the __free(kfree).
>
> Fixes: ff7c7d9f5261 ("virtio_net: Remove command data from control_buf")
> Reported-by: Jens Axboe <axboe@kernel.dk>
> Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/
> Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
>
> [...]
Here is the summary with links:
- virtio_net: Fix memory leak in virtnet_rx_mod_work
https://git.kernel.org/netdev/net-next/c/b49bd37f0bfd
You are awesome, thank you!
--
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2024-05-09 18:36 [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Daniel Jurgens
2024-05-09 18:42 ` Jens Axboe
2024-05-10 1:19 ` Xuan Zhuo
2024-05-10 10:07 ` Michael S. Tsirkin
2024-05-11 1:30 ` patchwork-bot+netdevbpf
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