From: Jeongjun Park <aha310510@gmail.com>
To: syzbot+81cd9dc1596563141d19@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [wireless?] general protection fault in ieee80211_put_srates_elem
Date: Mon, 19 Jan 2026 23:38:15 +0900 [thread overview]
Message-ID: <20260119143815.198401-1-aha310510@gmail.com> (raw)
In-Reply-To: <696e34bf.a70a0220.34546f.04ad.GAE@google.com>
#syz test upstream master
---
net/mac80211/mesh.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 68901f1def0d..eb3a346226bd 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -964,6 +964,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh);
sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return -EINVAL;
ie_len_he_cap = ieee80211_ie_len_he_cap(sdata);
ie_len_eht_cap = ieee80211_ie_len_eht_cap(sdata);
--
next prev parent reply other threads:[~2026-01-19 14:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 13:42 [syzbot] [wireless?] general protection fault in ieee80211_put_srates_elem syzbot
2026-01-19 14:38 ` Jeongjun Park [this message]
2026-01-19 14:59 ` syzbot
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