netdev - Re: general protection fault in rds_recv_rcvbuf

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Message-ID: <00000000000044534c058491234b@google.com>
Date:   Wed, 20 Mar 2019 19:03:00 -0700
From:   syzbot <syzbot+4b4f8163c2e246df3c4c@...kaller.appspotmail.com>
To:     chien.yen@...cle.com, davem@...emloft.net,
        dennis.dalessandro@...el.com, dledford@...hat.com,
        ira.weiny@...el.com, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, mike.marciniszyn@...el.com,
        netdev@...r.kernel.org, rds-devel@....oracle.com,
        santosh.shilimkar@...cle.com, syzkaller-bugs@...glegroups.com
Subject: Re: general protection fault in rds_recv_rcvbuf_delta

syzbot has bisected this bug to:

commit b534875d5ab348fb9193692589e2ee82ae768e3a
Author: Dennis Dalessandro <dennis.dalessandro@...el.com>
Date:   Wed Jan 6 18:02:59 2016 +0000

     IB/rdmavt: Add device specific info prints

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13e03843200000
start commit:   b534875d IB/rdmavt: Add device specific info prints
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=10103843200000
console output: https://syzkaller.appspot.com/x/log.txt?x=17e03843200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2e0064f906afee10
dashboard link: https://syzkaller.appspot.com/bug?extid=4b4f8163c2e246df3c4c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11631328c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1172c7ef400000

Reported-by: syzbot+4b4f8163c2e246df3c4c@...kaller.appspotmail.com
Fixes: b534875d ("IB/rdmavt: Add device specific info prints")