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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Wed, 21 Sep 2022 16:05:39 +0530
Message-ID: <CA+G9fYsZ_qypa=jHY_dJ=tqX4515+qrV9n2SWXVDHve826nF7Q@mail.gmail.com>
Subject: drivers/net/wireless/ath/ath11k/mac.c:2238:29: warning:
 'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size 0
To:     Netdev <netdev@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        linux-wireless@vger.kernel.org
Cc:     Kalle Valo <kvalo@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, ath11k@lists.infradead.org,
        regressions@lists.linux.dev, lkft-triage@lists.linaro.org
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Precedence: bulk

Following build warnings noticed while building arm64 on Linux next-20220921

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2238:29: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2238 |                         v = ath11k_peer_assoc_h_he_limit(v,
he_mcs_mask);
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2238:29: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2251:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2251 |                 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2251:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2264 |                 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2264 |                 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2264:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2264 |                 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2264:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'ath11k_peer_assoc_h_he',
    inlined from 'ath11k_peer_assoc_prepare' at
drivers/net/wireless/ath/ath11k/mac.c:2662:2:
drivers/net/wireless/ath/ath11k/mac.c:2251:21: warning:
'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size
0 [-Wstringop-overread]
 2251 |                 v = ath11k_peer_assoc_h_he_limit(v, he_mcs_mask);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_peer_assoc_prepare':
drivers/net/wireless/ath/ath11k/mac.c:2251:21: note: referencing
argument 2 of type 'const u16 *' {aka 'const short unsigned int *'}
drivers/net/wireless/ath/ath11k/mac.c:2019:12: note: in a call to
function 'ath11k_peer_assoc_h_he_limit'
 2019 | static u16 ath11k_peer_assoc_h_he_limit(u16 tx_mcs_set,
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Build log: https://builds.tuxbuild.com/2F4W7nZHNx3T88RB0gaCZ9hBX6c/

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https://lkft.linaro.org