Hi,
On Thu, Aug 8, 2019, at 14:53, Wenwen Wang wrote:
> In iso_packets_buffer_init(), 'b->packets' is allocated through
> kmalloc_array(). Then, the aligned packet size is checked. If it is
> larger than PAGE_SIZE, -EINVAL will be returned to indicate the error.
> However, the allocated 'b->packets' is not deallocated on this path,
> leading to a memory leak.
>
> To fix the above issue, free 'b->packets' before returning the error code.
>
> Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx>
> ---
> sound/firewire/packets-buffer.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
And this bug exists till its first commit for v2.6.39.
Fixes: 31ef9134eb52 ("ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver")
Cc: <stable@xxxxxxxxxxxxxxx> # v2.6.39+
Thanks
Takashi Sakamoto
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