From: farah kassabri <fkassabri@xxxxxxxxx> [ Upstream commit 679e968908a4997d02c2a7df294e97b066f9149f ] To avoid memory corruption in kernel memory while using timestamp registration nodes, zero the kernel buff memory when its allocated. Signed-off-by: farah kassabri <fkassabri@xxxxxxxxx> Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx> Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/misc/habanalabs/common/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c index ef28f3b37b93..9763188dd7b0 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -2109,7 +2109,7 @@ static int hl_ts_alloc_buf(struct hl_mmap_mem_buf *buf, gfp_t gfp, void *args) /* Allocate the internal kernel buffer */ size = num_elements * sizeof(struct hl_user_pending_interrupt); - p = vmalloc(size); + p = vzalloc(size); if (!p) goto free_user_buff; -- 2.35.1
