Re: [syzbot] [netfilter?] INFO: rcu detected stall in gc_worker (3)

From: syzbot
Date: Wed Mar 06 2024 - 17:38:19 EST


syzbot suspects this issue was fixed by commit:

commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5
Author: Eric Dumazet <edumazet@xxxxxxxxxx>
Date: Tue Aug 29 12:35:41 2023 +0000

net/sched: fq_pie: avoid stalls in fq_pie_timer()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1338df0e180000
start commit: d4a7ce642100 igc: Fix Kernel Panic during ndo_tx_timeout c..
git tree: net
kernel config: https://syzkaller.appspot.com/x/.config?x=77b9a3cf8f44c6da
dashboard link: https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1504b511a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=137bf931a80000

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

#syz fix: net/sched: fq_pie: avoid stalls in fq_pie_timer()

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