Re: [syzbot] INFO: rcu detected stall in ieee80211_tasklet_handler

From: syzbot
Date: Tue Oct 26 2021 - 17:44:17 EST


syzbot suspects this issue was fixed by commit:

commit 313bbd1990b6ddfdaa7da098d0c56b098a833572
Author: Johannes Berg <johannes.berg@xxxxxxxxx>
Date: Wed Sep 15 09:29:37 2021 +0000

mac80211-hwsim: fix late beacon hrtimer handling

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=151766bab00000
start commit: 835d31d319d9 Merge tag 'media/v5.15-1' of git://git.kernel..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=9c32e23fada3a0e4
dashboard link: https://syzkaller.appspot.com/bug?extid=7bb955045fc0840decd3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e08125300000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b17dde300000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mac80211-hwsim: fix late beacon hrtimer handling

For information about bisection process see: https://goo.gl/tpsmEJ#bisection