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Commit c8b897be authored by Mulu He's avatar Mulu He
Browse files

coresight: stm: Out of bound access from STM 



The memory size allocated for stm_master is less than it's defined.

Change-Id: Ia913ac899c069383cff498b03815d985dacacdf4
Signed-off-by: default avatarMulu He <muluhe@codeaurora.org>
parent f82ab04c

drivers/hwtracing/stm/core.c

+2 −1
Original line number Diff line number Diff line
@@ -174,8 +174,9 @@ static int stp_master_alloc(struct stm_device *stm, unsigned int idx) 
{

	struct stp_master *master;

	size_t size;

	unsigned long align = sizeof(unsigned long);



	size = ALIGN(stm->data->sw_nchannels, 8) / 8;

	size = ALIGN(stm->data->sw_nchannels, align) / align;

	size += sizeof(struct stp_master);

	master = kzalloc(size, GFP_ATOMIC);

	if (!master)