From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: farah kassabri <fkassabri@habana.ai>,
Oded Gabbay <ogabbay@kernel.org>, Sasha Levin <sashal@kernel.org>,
gregkh@linuxfoundation.org, osharabi@habana.ai,
ynudelman@habana.ai, ttayar@habana.ai, dhirschfeld@habana.ai
Subject: [PATCH AUTOSEL 6.0 10/18] habanalabs: zero ts registration buff when allocated
Date: Fri, 23 Dec 2022 20:30:26 -0500 [thread overview]
Message-ID: <20221224013034.392810-10-sashal@kernel.org> (raw)
In-Reply-To: <20221224013034.392810-1-sashal@kernel.org>
From: farah kassabri <fkassabri@habana.ai>
[ 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@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 61bc1bfe984a..751f8c751b72 100644
--- a/drivers/misc/habanalabs/common/memory.c
+++ b/drivers/misc/habanalabs/common/memory.c
@@ -2097,7 +2097,7 @@ 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
next prev parent reply other threads:[~2022-12-24 1:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-24 1:30 [PATCH AUTOSEL 6.0 01/18] kset: fix memory leak when kset_register() returns error Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 02/18] USB: core: Change configuration warnings to notices Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 03/18] usb: core: stop USB enumeration if too many retries Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 04/18] usb: gadget: aspeed: fix buffer overflow Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 05/18] usb: gadget: u_ether: Do not make UDC parent of the net device Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 06/18] usb: gadget: f_ecm: Always set current gadget in ecm_bind() Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 07/18] chardev: Fix potential memory leak when cdev_add() failed Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 08/18] usb/usbip: Fix v_recv_cmd_submit() to use PIPE_BULK define Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 09/18] char: xillybus: Prevent use-after-free due to race condition Sasha Levin
2022-12-24 1:30 ` Sasha Levin [this message]
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 11/18] char: xillybus: Fix trivial bug with mutex Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 12/18] iio: filter: admv8818: close potential out-of-bounds read in __admv8818_read_[h|l]pf_freq() Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 13/18] xhci: disable U3 suspended ports in S4 hibernate poweroff_late stage Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 14/18] ACPICA: Fix operand resolution Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 15/18] ksmbd: Fix resource leak in smb2_lock() Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 16/18] writeback: Add asserts for adding freed inode to lists Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 17/18] exfat: fix overflow in sector and cluster conversion Sasha Levin
2022-12-24 1:30 ` [PATCH AUTOSEL 6.0 18/18] fbdev: smscufx: fix error handling code in ufx_usb_probe Sasha Levin
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