From: Cong Wang <xiyou.wangcong@gmail.com> To: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Cong Wang <xiyou.wangcong@gmail.com>, syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com, Greg Hackmann <ghackmann@google.com>, Chenbo Feng <fengc@google.com>, Sumit Semwal <sumit.semwal@linaro.org> Subject: [PATCH] dma-buf: free dmabuf->name in dma_buf_release() Date: Thu, 26 Dec 2019 22:32:04 -0800 [thread overview] Message-ID: <20191227063204.5813-1-xiyou.wangcong@gmail.com> (raw) dma-buff name can be set via DMA_BUF_SET_NAME ioctl, but once set it never gets freed. Free it in dma_buf_release(). Fixes: bb2bb9030425 ("dma-buf: add DMA_BUF_SET_NAME ioctls") Reported-by: syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com Cc: Greg Hackmann <ghackmann@google.com> Cc: Chenbo Feng <fengc@google.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> --- drivers/dma-buf/dma-buf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index ce41cd9b758a..2427398ff22a 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -108,6 +108,7 @@ static int dma_buf_release(struct inode *inode, struct file *file) dma_resv_fini(dmabuf->resv); module_put(dmabuf->owner); + kfree(dmabuf->name); kfree(dmabuf); return 0; } -- 2.21.0
WARNING: multiple messages have this Message-ID (diff)
From: Cong Wang <xiyou.wangcong@gmail.com> To: dri-devel@lists.freedesktop.org Cc: Chenbo Feng <fengc@google.com>, linux-kernel@vger.kernel.org, Greg Hackmann <ghackmann@google.com>, syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com, Cong Wang <xiyou.wangcong@gmail.com>, linux-media@vger.kernel.org Subject: [PATCH] dma-buf: free dmabuf->name in dma_buf_release() Date: Thu, 26 Dec 2019 22:32:04 -0800 [thread overview] Message-ID: <20191227063204.5813-1-xiyou.wangcong@gmail.com> (raw) dma-buff name can be set via DMA_BUF_SET_NAME ioctl, but once set it never gets freed. Free it in dma_buf_release(). Fixes: bb2bb9030425 ("dma-buf: add DMA_BUF_SET_NAME ioctls") Reported-by: syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com Cc: Greg Hackmann <ghackmann@google.com> Cc: Chenbo Feng <fengc@google.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> --- drivers/dma-buf/dma-buf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index ce41cd9b758a..2427398ff22a 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -108,6 +108,7 @@ static int dma_buf_release(struct inode *inode, struct file *file) dma_resv_fini(dmabuf->resv); module_put(dmabuf->owner); + kfree(dmabuf->name); kfree(dmabuf); return 0; } -- 2.21.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2019-12-27 6:32 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-27 6:32 Cong Wang [this message] 2019-12-27 6:32 ` [PATCH] dma-buf: free dmabuf->name in dma_buf_release() Cong Wang 2020-02-18 18:40 ` Chenbo Feng 2020-02-18 18:41 ` Chenbo Feng 2020-02-18 18:41 ` Chenbo Feng 2020-02-25 20:44 Cong Wang 2020-02-25 20:44 ` Cong Wang 2020-02-26 1:54 ` Andrew Morton 2020-02-26 1:54 ` Andrew Morton 2020-02-27 21:38 ` Cong Wang 2020-02-27 21:38 ` Cong Wang 2020-02-27 21:45 ` Andrew Morton 2020-02-27 21:45 ` Andrew Morton
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