This is a note to let you know that I've just added the patch titled wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie() to the 6.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-rtw89-fix-potential-leak-in-rtw89_append_probe_.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit ef12ad9fca5633ae45a1c3b60fafe0f789bb607b Author: Zong-Zhe Yang <kevin_yang@xxxxxxxxxxx> Date: Tue Jan 3 22:10:54 2023 +0800 wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie() [ Upstream commit 4a0e218cc9c42d1903ade8b5a371dcf48cf918c5 ] Do `kfree_skb(new)` before `goto out` to prevent potential leak. Fixes: 895907779752 ("rtw89: 8852a: add ieee80211_ops::hw_scan") Signed-off-by: Zong-Zhe Yang <kevin_yang@xxxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230103141054.17372-1-pkshih@xxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index de1f23779fc62..3b7af8faca505 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -2665,8 +2665,10 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev, list_add_tail(&info->list, &scan_info->pkt_list[band]); ret = rtw89_fw_h2c_add_pkt_offload(rtwdev, &info->id, new); - if (ret) + if (ret) { + kfree_skb(new); goto out; + } kfree_skb(new); }