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Date:   Sat, 31 Oct 2020 22:40:11 -0700
From:   syzbot <syzbot+5be8aebb1b7dfa90ef31@...kaller.appspotmail.com>
To:     davem@...emloft.net, herbert@...dor.apana.org.au, kuba@...nel.org,
        linux-kernel@...r.kernel.org, lucien.xin@...il.com,
        marcelo.leitner@...il.com, netdev@...r.kernel.org,
        steffen.klassert@...unet.com, syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in decode_session6

syzbot has bisected this issue to:

commit bcd623d8e9fa5f82bbd8cd464dc418d24139157b
Author: Xin Long <lucien.xin@...il.com>
Date:   Thu Oct 29 07:05:05 2020 +0000

    sctp: call sk_setup_caps in sctp_packet_transmit instead

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14df9cb8500000
start commit:   68bb4665 Merge branch 'l2-multicast-forwarding-for-ocelot-..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16df9cb8500000
console output: https://syzkaller.appspot.com/x/log.txt?x=12df9cb8500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=eac680ae76558a0e
dashboard link: https://syzkaller.appspot.com/bug?extid=5be8aebb1b7dfa90ef31
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11286398500000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11bbf398500000

Reported-by: syzbot+5be8aebb1b7dfa90ef31@...kaller.appspotmail.com
Fixes: bcd623d8e9fa ("sctp: call sk_setup_caps in sctp_packet_transmit instead")

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

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