diff options
| author | Cong Wang <xiyou.wangcong@gmail.com> | 2019-12-26 22:32:04 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-12 13:00:30 +0100 |
| commit | 08d67499d2d23ff3f97451cd75c5176aa0b71509 (patch) | |
| tree | 9f78cb0c579ece2c987167f717683d9aac9b2bd6 /drivers/dma-buf | |
| parent | 709c6990aec77d35401005f8c746ff7223469fdc (diff) | |
dma-buf: free dmabuf->name in dma_buf_release()
commit d1f37226431f5d9657aa144a40f2383adbcf27e1 upstream.
dma-buf 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>
Acked-by: Chenbo Feng <fengc@google.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191227063204.5813-1-xiyou.wangcong@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-buf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 433d91d710e4..0fb0358f0073 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; } |