Setting tsf is meaningless if beacon is disabled, so check that beacon is enabled before setting tsf. Reported-by: syzbot+064815c6cd721082a52a@xxxxxxxxxxxxxxxxxxxxxxxxx Closes: https://syzkaller.appspot.com/bug?extid=064815c6cd721082a52a Tested-by: syzbot+064815c6cd721082a52a@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Edward Adam Davis <eadavis@xxxxxx> --- V1 -> V2: Move initialization and judgment to after delta. drivers/net/wireless/virtual/mac80211_hwsim.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c index cf3e976471c6..6ca5d9d0fe53 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim.c @@ -1229,6 +1229,11 @@ static void mac80211_hwsim_set_tsf(struct ieee80211_hw *hw, /* MLD not supported here */ u32 bcn_int = data->link_data[0].beacon_int; u64 delta = abs(tsf - now); + struct ieee80211_bss_conf *conf; + + conf = link_conf_dereference_protected(vif, data->link_data[0].link_id); + if (conf && !conf->enable_beacon) + return; /* adjust after beaconing with new timestamp at old TBTT */ if (tsf > now) { -- 2.43.0
