From: Dan Carpenter <dan.carpenter@oracle.com>
To: John Stultz <john.stultz@linaro.org>
Cc: Jakub Kicinski <kuba@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
David Miller <davem@davemloft.net>,
netdev <netdev@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Srini Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH net] net: qrtr: revert check in qrtr_endpoint_post()
Date: Thu, 2 Sep 2021 13:08:51 +0300 [thread overview]
Message-ID: <20210902100851.GD2151@kadam> (raw)
In-Reply-To: <38288aff-71d4-bde2-7547-dff5ca20091c@linaro.org>
I tried to make this check stricter as a hardenning measure but it broke
audo and wifi on these devices so revert it.
Fixes: aaa8e4922c88 ("net: qrtr: make checks in qrtr_endpoint_post() stricter")
Reported-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
net/qrtr/qrtr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 525e3ea063b1..ec2322529727 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -493,7 +493,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
goto err;
}
- if (!size || size & 3 || len != size + hdrlen)
+ if (!size || len != ALIGN(size, 4) + hdrlen)
goto err;
if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&
--
2.20.1
next prev parent reply other threads:[~2021-09-02 10:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-31 20:37 [GIT PULL] Networking for v5.15 Jakub Kicinski
2021-08-31 23:56 ` pr-tracker-bot
2021-09-01 19:00 ` Linus Torvalds
2021-09-01 19:41 ` Jakub Kicinski
2021-09-01 19:49 ` Johannes Berg
2021-09-01 21:48 ` Larry Finger
2021-09-02 9:33 ` Coelho, Luciano
2021-09-02 10:11 ` [PATCH] iwlwifi: mvm: add rtnl_lock() in iwl_mvm_start_get_nvm() Luca Coelho
2021-09-02 10:39 ` David Miller
2021-09-02 15:55 ` Linus Torvalds
[not found] ` <CAP71bdV1eBm3f1qY0rfigK4VaW5icZ+hU0pw7g6fVM=hGbn7Xw@mail.gmail.com>
2021-09-02 17:16 ` [GIT PULL] Networking for v5.15 Linus Torvalds
2021-09-02 5:55 ` Larry Finger
2021-09-02 7:07 ` Johannes Berg
2021-09-02 0:02 ` John Stultz
2021-09-02 9:25 ` Dan Carpenter
2021-09-02 9:28 ` Srinivas Kandagatla
2021-09-02 10:08 ` Dan Carpenter [this message]
2021-09-02 10:40 ` [PATCH net] net: qrtr: revert check in qrtr_endpoint_post() patchwork-bot+netdevbpf
2021-09-04 3:08 ` [GIT PULL] Networking for v5.15 John Stultz
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