From 679e968908a4997d02c2a7df294e97b066f9149f Mon Sep 17 00:00:00 2001 From: farah kassabri Date: Tue, 20 Sep 2022 11:48:40 +0300 Subject: [PATCH] habanalabs: zero ts registration buff when allocated 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 Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- 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 99b1d6ce26aef..541e1b6a2176d 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; -- 2.30.2