wifi: cfg80211: fix use-after-free in cmp_bss()
[ Upstream commit 26e84445f02ce6b2fe5f3e0e28ff7add77f35e08 ] Following bss_free() quirk introduced in commit 776b3580 ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer. Reported-by:<syzbot+30754ca335e6fb7e3092@syzkaller.appspotmail.com> Closes: https://syzkaller.appspot.com/bug?extid=30754ca335e6fb7e3092 Fixes: 3ab8227d ("cfg80211: refactor cfg80211_bss_update") Signed-off-by:
Dmitry Antipov <dmantipov@yandex.ru> Link: https://patch.msgid.link/20250813135236.799384-1-dmantipov@yandex.ru Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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