linux-kernel - Re: [syzbot] INFO: rcu detected stall in newstat

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Date:   Sat, 27 Nov 2021 09:11:12 -0800
From:   syzbot <syzbot+84ef57449019b1be878d@...kaller.appspotmail.com>
To:     bp@...en8.de, hpa@...or.com, jmattson@...gle.com, joro@...tes.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mchehab+huawei@...nel.org, mingo@...hat.com, pbonzini@...hat.com,
        rajatasthana4@...il.com, sean@...s.org, seanjc@...gle.com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        vkuznets@...hat.com, wanpengli@...cent.com, x86@...nel.org
Subject: Re: [syzbot] INFO: rcu detected stall in newstat

syzbot suspects this issue was fixed by commit:

commit 476db72e521983ecb847e4013b263072bb1110fc
Author: Rajat Asthana <rajatasthana4@...il.com>
Date:   Wed Aug 18 20:31:10 2021 +0000

    media: mceusb: return without resubmitting URB in case of -EPROTO error.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14c58e09b00000
start commit:   7e96bf476270 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=1dee114394f7d2c2
dashboard link: https://syzkaller.appspot.com/bug?extid=84ef57449019b1be878d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12f2aac9d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15470c66300000

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

#syz fix: media: mceusb: return without resubmitting URB in case of -EPROTO error.

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