The patch titled
Subject: dma-buf: free dmabuf->name in dma_buf_release()
has been added to the -mm tree. Its filename is
dma-buf-free-dmabuf-name-in-dma_buf_release.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/dma-buf-free-dmabuf-name-in-dma_buf_release.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/dma-buf-free-dmabuf-name-in-dma_buf_release.patch
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------------------------------------------------------
From: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Subject: dma-buf: free dmabuf->name in dma_buf_release()
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().
Link: http://lkml.kernel.org/r/20200225204446.11378-1-xiyou.wangcong@xxxxxxxxx
Fixes: bb2bb9030425 ("dma-buf: add DMA_BUF_SET_NAME ioctls")
Reported-by: syzbot+b2098bc44728a4efb3e9@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Chenbo Feng <fengc@xxxxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: Greg Hackmann <ghackmann@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/dma-buf/dma-buf.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/dma-buf/dma-buf.c~dma-buf-free-dmabuf-name-in-dma_buf_release
+++ a/drivers/dma-buf/dma-buf.c
@@ -108,6 +108,7 @@ static int dma_buf_release(struct inode
dma_resv_fini(dmabuf->resv);
module_put(dmabuf->owner);
+ kfree(dmabuf->name);
kfree(dmabuf);
return 0;
}
_
Patches currently in -mm which might be from xiyou.wangcong@xxxxxxxxx are
dma-buf-free-dmabuf-name-in-dma_buf_release.patch
