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Date: Wed, 11 Nov 2020 12:49:32 +0100 From: Dmitry Vyukov <dvyukov@...gle.com> To: syzbot <syzbot+3025b9294f8cb0ede850@...kaller.appspotmail.com>, syzkaller-bugs <syzkaller-bugs@...glegroups.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: WARNING: suspicious RCU usage in ctrl_cmd_new_lookup On Thu, Oct 22, 2020 at 2:40 PM syzbot <syzbot+3025b9294f8cb0ede850@...kaller.appspotmail.com> wrote: > > syzbot suspects this issue was fixed by commit: > > commit a7809ff90ce6c48598d3c4ab54eb599bec1e9c42 > Author: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org> > Date: Sat Sep 26 16:56:25 2020 +0000 > > net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=143867c8500000 > start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=d195fe572fb15312 > dashboard link: https://syzkaller.appspot.com/bug?extid=3025b9294f8cb0ede850 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11802cf9100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144acc03100000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks
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