linux-kernel - Re: [syzbot] INFO: task hung in set_current

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Date:   Wed, 01 Dec 2021 18:43:12 -0800
From:   syzbot <syzbot+681da20be7291be15dca@...kaller.appspotmail.com>
To:     colin.king@...onical.com, f.fangjian@...wei.com,
        herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, lvivier@...hat.com, mpm@...enic.com,
        mst@...hat.com, syzkaller-bugs@...glegroups.com,
        tangzihao1@...ilicon.com, yuehaibing@...wei.com,
        zhangshaokun@...ilicon.com
Subject: Re: [syzbot] INFO: task hung in set_current_rng

syzbot suspects this issue was fixed by commit:

commit 2bb31abdbe55742c89f4dc0cc26fcbc8467364f6
Author: Laurent Vivier <lvivier@...hat.com>
Date:   Thu Oct 28 10:11:09 2021 +0000

    hwrng: virtio - don't wait on cleanup

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=171ad129b00000
start commit:   3dbdb38e2869 Merge branch 'for-5.14' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=1700b0b2b41cd52c
dashboard link: https://syzkaller.appspot.com/bug?extid=681da20be7291be15dca
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15a472e4300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c51a28300000

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

#syz fix: hwrng: virtio - don't wait on cleanup

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