From: Moon Hee Lee <moonhee.lee.ca@gmail.com>
To: syzbot+ededba317ddeca8b3f08@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org
Cc: moonhee.lee.ca@gmail.com
Subject: [PATCH] wifi: mac80211: reject opmode notification for unsupported channel widths
Date: Tue, 1 Jul 2025 14:11:06 -0700 [thread overview]
Message-ID: <20250701211105.280128-2-moonhee.lee.ca@gmail.com> (raw)
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git main
---
net/mac80211/cfg.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index d9d88f2f2831..f2e96eb07e8f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1959,6 +1959,21 @@ static int sta_link_apply_parameters(struct ieee80211_local *local,
ieee80211_sta_init_nss(link_sta);
if (params->opmode_notif_used) {
+ enum nl80211_chan_width width = link->conf->chanreq.oper.width;
+
+ switch (width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_40:
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_160:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_320:
+ break;
+ default:
+ return -EINVAL;
+ }
+
/* returned value is only needed for rc update, but the
* rc isn't initialized here yet, so ignore it
*/
--
2.43.0
next reply other threads:[~2025-07-01 21:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-01 21:11 Moon Hee Lee [this message]
2025-07-01 21:43 ` [syzbot] [wireless?] WARNING in _ieee80211_sta_cur_vht_bw syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250701211105.280128-2-moonhee.lee.ca@gmail.com \
--to=moonhee.lee.ca@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=syzbot+ededba317ddeca8b3f08@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.