From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, ethantidmore06@gmail.com
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-staging@lists.linux.dev
Subject: FAILED: Patch "staging: rtl8723bs: fix null dereference in find_network" failed to apply to 5.10-stable tree
Date: Sat, 28 Feb 2026 21:03:37 -0500 [thread overview]
Message-ID: <20260301020338.1731741-1-sashal@kernel.org> (raw)
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
Thanks,
Sasha
------------------ original commit in Linus's tree ------------------
From 41460a19654c32d39fd0e3a3671cd8d4b7b8479f Mon Sep 17 00:00:00 2001
From: Ethan Tidmore <ethantidmore06@gmail.com>
Date: Mon, 2 Feb 2026 14:54:29 -0600
Subject: [PATCH] staging: rtl8723bs: fix null dereference in find_network
The variable pwlan has the possibility of being NULL when passed into
rtw_free_network_nolock() which would later dereference the variable.
Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
Cc: stable@vger.kernel.org
Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
Link: https://patch.msgid.link/20260202205429.20181-1-ethantidmore06@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/rtl8723bs/core/rtw_mlme.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index b3a9e40054a7f..8e98344951acf 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -826,8 +826,10 @@ static void find_network(struct adapter *adapter)
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
- if (pwlan)
- pwlan->fixed = false;
+ if (!pwlan)
+ return;
+
+ pwlan->fixed = false;
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
(adapter->stapriv.asoc_sta_count == 1))
--
2.51.0
reply other threads:[~2026-03-01 2:03 UTC|newest]
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