linux-kernel - [PATCH AUTOSEL 5.15 01/16] remoteproc: coredump: Correct argument 2 type for memcpy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 22 Jan 2022 19:12:00 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Peng Fan <peng.fan@....com>, kernel test robot <lkp@...el.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Sasha Levin <sashal@...nel.org>, bjorn.andersson@...aro.org,
        linux-remoteproc@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 01/16] remoteproc: coredump: Correct argument 2 type for memcpy_fromio

From: Peng Fan <peng.fan@....com>

[ Upstream commit 876e0b26ccd211ca92607d83c87cc1f097784c6d ]

Address the sparse check warning:
>> drivers/remoteproc/remoteproc_coredump.c:169:53:
sparse: warning: incorrect type in argument 2 (different address spaces)
sparse:    expected void const volatile [noderef] __iomem *src
sparse:    got void *[assigned] ptr

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Peng Fan <peng.fan@....com>
Link: https://lore.kernel.org/r/20211110032101.517487-1-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/remoteproc/remoteproc_coredump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index c892f433a323e..4b093420d98aa 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -166,7 +166,7 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
 			memset(dest, 0xff, size);
 		} else {
 			if (is_iomem)
-				memcpy_fromio(dest, ptr, size);
+				memcpy_fromio(dest, (void const __iomem *)ptr, size);
 			else
 				memcpy(dest, ptr, size);
 		}
-- 
2.34.1