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Date:   Fri, 14 Aug 2020 15:59:06 -0700
From:   syzbot <syzbot+438a5abd4f53adb1c073@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com, jmaloy@...hat.com,
        jon.maloy@...csson.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        tipc-discussion@...ts.sourceforge.net, ying.xue@...driver.com
Subject: Re: BUG: unable to handle kernel paging request in free_block (5)

syzbot suspects this issue was fixed by commit:

commit 1378817486d6860f6a927f573491afe65287abf1
Author: Eric Dumazet <edumazet@...gle.com>
Date:   Thu May 21 18:29:58 2020 +0000

    tipc: block BH before using dst_cache

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1537694a900000
start commit:   e6986423 socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0
dashboard link: https://syzkaller.appspot.com/bug?extid=438a5abd4f53adb1c073
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12adddbf200000

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

#syz fix: tipc: block BH before using dst_cache

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

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