On Mon, 13 Sept 2021 at 11:22, syzbot <syzbot+d6218cb2fae0b2411e9d@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot suspects this issue was fixed by commit: > > commit 43016d02cf6e46edfc4696452251d34bba0c0435 > Author: Florian Westphal <fw@xxxxxxxxx> > Date: Mon May 3 11:51:15 2021 +0000 > > netfilter: arptables: use pernet ops struct during unregister > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10acd273300000 > start commit: c98ff1d013d2 Merge tag 'scsi-fixes' of git://git.kernel.or.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=1c70e618af4c2e92 > dashboard link: https://syzkaller.appspot.com/bug?extid=d6218cb2fae0b2411e9d > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145cb2b6d00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=157b72b1d00000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: netfilter: arptables: use pernet ops struct during unregister > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection I guess this is a wrong commit and it was fixed by something in io_uring. Searching for refcount fixes I see a298232ee6b9a1d5d732aa497ff8be0d45b5bd82 "io_uring: fix link timeout refs". Pavel, does it look right to you?
