From: syzbot <syzbot+8ed8fc4c57e9dcf23ca6@syzkaller•appspotmail.com>
To: davem@davemloft•net, edumazet@google•com, geliang.tang@suse•com,
jhs@mojatatu•com, jiri@resnulli•us, kuba@kernel•org,
linux-kernel@vger•kernel.org, mathew.j.martineau@linux•intel.com,
netdev@vger•kernel.org, pabeni@redhat•com,
syzkaller-bugs@googlegroups•com, xiyou.wangcong@gmail•com
Subject: Re: [syzbot] UBSAN: shift-out-of-bounds in tcf_pedit_init
Date: Thu, 12 May 2022 18:13:07 -0700 [thread overview]
Message-ID: <00000000000091b7f505deda6057@google.com> (raw)
In-Reply-To: <0000000000005f1a8805ded719cc@google.com>
syzbot has bisected this issue to:
commit 8b796475fd7882663a870456466a4fb315cc1bd6
Author: Paolo Abeni <pabeni@redhat•com>
Date: Tue May 10 14:57:34 2022 +0000
net/sched: act_pedit: really ensure the skb is writable
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=158d3969f00000
start commit: 810c2f0a3f86 mlxsw: Avoid warning during ip6gre device rem..
git tree: net
final oops: https://syzkaller.appspot.com/x/report.txt?x=178d3969f00000
console output: https://syzkaller.appspot.com/x/log.txt?x=138d3969f00000
kernel config: https://syzkaller.appspot.com/x/.config?x=331feb185f8828e0
dashboard link: https://syzkaller.appspot.com/bug?extid=8ed8fc4c57e9dcf23ca6
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104e9749f00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15f913b9f00000
Reported-by: syzbot+8ed8fc4c57e9dcf23ca6@syzkaller•appspotmail.com
Fixes: 8b796475fd78 ("net/sched: act_pedit: really ensure the skb is writable")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2022-05-13 1:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-12 21:18 [syzbot] UBSAN: shift-out-of-bounds in tcf_pedit_init syzbot
2022-05-12 21:19 ` Eric Dumazet
2022-05-12 22:51 ` Jakub Kicinski
2022-05-12 23:53 ` Eric Dumazet
2022-05-13 9:36 ` Paolo Abeni
2022-05-13 1:13 ` syzbot [this message]
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