From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Haowen Bai <baihaowen@meizu.com>, Kalle Valo <kvalo@kernel.org>,
Sasha Levin <sashal@kernel.org>,
stas.yakovlev@gmail.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 07/76] ipw2x00: Fix potential NULL dereference in libipw_xmit()
Date: Mon, 30 May 2022 09:42:57 -0400 [thread overview]
Message-ID: <20220530134406.1934928-7-sashal@kernel.org> (raw)
In-Reply-To: <20220530134406.1934928-1-sashal@kernel.org>
From: Haowen Bai <baihaowen@meizu.com>
[ Upstream commit e8366bbabe1d207cf7c5b11ae50e223ae6fc278b ]
crypt and crypt->ops could be null, so we need to checking null
before dereference
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/1648797055-25730-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/intel/ipw2x00/libipw_tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/ipw2x00/libipw_tx.c b/drivers/net/wireless/intel/ipw2x00/libipw_tx.c
index d9baa2fa603b..e4c60caa6543 100644
--- a/drivers/net/wireless/intel/ipw2x00/libipw_tx.c
+++ b/drivers/net/wireless/intel/ipw2x00/libipw_tx.c
@@ -383,7 +383,7 @@ netdev_tx_t libipw_xmit(struct sk_buff *skb, struct net_device *dev)
/* Each fragment may need to have room for encryption
* pre/postfix */
- if (host_encrypt)
+ if (host_encrypt && crypt && crypt->ops)
bytes_per_frag -= crypt->ops->extra_mpdu_prefix_len +
crypt->ops->extra_mpdu_postfix_len;
--
2.35.1
next prev parent reply other threads:[~2022-05-30 14:19 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220530134406.1934928-1-sashal@kernel.org>
2022-05-30 13:42 ` [PATCH AUTOSEL 5.10 03/76] selftests/bpf: Fix vfs_link kprobe definition Sasha Levin
2022-05-30 13:42 ` [PATCH AUTOSEL 5.10 04/76] mwifiex: add mutex lock for call in mwifiex_dfs_chan_sw_work_queue Sasha Levin
2022-05-30 13:42 ` [PATCH AUTOSEL 5.10 05/76] b43legacy: Fix assigning negative value to unsigned variable Sasha Levin
2022-05-30 13:42 ` [PATCH AUTOSEL 5.10 06/76] b43: " Sasha Levin
2022-05-30 13:42 ` Sasha Levin [this message]
2022-05-30 13:42 ` [PATCH AUTOSEL 5.10 08/76] ipv6: fix locking issues with loops over idev->addr_list Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 15/76] sfc: ef10: Fix assigning negative value to unsigned variable Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 20/76] ath9k: fix QCA9561 PA bias level Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 31/76] ath11k: disable spectral scan during spectral deinit Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 35/76] ath10k: skip ath10k_halt during suspend for driver state RESTARTING Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 38/76] ipv6: Don't send rs packets to the interface of ARPHRD_TUNNEL Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 39/76] net/mlx5: fs, delete the FTE when there are no rules attached to it Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 41/76] mlxsw: spectrum_dcb: Do not warn about priority changes Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 42/76] mlxsw: Treat LLDP packets as control Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 46/76] net: remove two BUG() from skb_checksum_help() Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 54/76] rtlwifi: Use pr_warn instead of WARN_ONCE Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 63/76] net: phy: micrel: Allow probing without .driver_data Sasha Levin
2022-05-30 13:43 ` [PATCH AUTOSEL 5.10 67/76] can: mcp251xfd: silence clang's -Wunaligned-access warning Sasha Levin
2022-05-30 13:44 ` [PATCH AUTOSEL 5.10 72/76] rxrpc: Return an error to sendmsg if call failed Sasha Levin
2022-05-30 13:44 ` [PATCH AUTOSEL 5.10 73/76] rxrpc, afs: Fix selection of abort codes Sasha Levin
2022-05-30 13:44 ` [PATCH AUTOSEL 5.10 74/76] eth: tg3: silence the GCC 12 array-bounds warning Sasha Levin
2022-05-30 13:44 ` [PATCH AUTOSEL 5.10 75/76] selftests/bpf: fix btf_dump/btf_dump due to recent clang change Sasha Levin
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