From: syzbot <syzbot+a5765ed8cdb1cca4d249@syzkaller.appspotmail.com>
To: ast@kernel.org, bjorn.topel@intel.com, bpf@vger.kernel.org,
daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org,
jakub.kicinski@netronome.com, john.fastabend@gmail.com,
jonathan.lemon@gmail.com, kafai@fb.com,
linux-kernel@vger.kernel.org, magnus.karlsson@gmail.com,
magnus.karlsson@intel.com, maximmi@mellanox.com,
netdev@vger.kernel.org, saeedm@mellanox.com,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
tariqt@mellanox.com, yhs@fb.com
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in xsk_poll
Date: Mon, 30 Sep 2019 03:53:01 -0700 [thread overview]
Message-ID: <0000000000001c5e810593c30a8c@google.com> (raw)
In-Reply-To: <00000000000084fb070593bff0fb@google.com>
syzbot has bisected this bug to:
commit 77cd0d7b3f257fd0e3096b4fdcff1a7d38e99e10
Author: Magnus Karlsson <magnus.karlsson@intel.com>
Date: Wed Aug 14 07:27:17 2019 +0000
xsk: add support for need_wakeup flag in AF_XDP rings
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17848acd600000
start commit: a3c0e7b1 Merge tag 'libnvdimm-fixes-5.4-rc1' of git://git...
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=14448acd600000
console output: https://syzkaller.appspot.com/x/log.txt?x=10448acd600000
kernel config: https://syzkaller.appspot.com/x/.config?x=6ffbfa7e4a36190f
dashboard link: https://syzkaller.appspot.com/bug?extid=a5765ed8cdb1cca4d249
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1096d835600000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=129f15f3600000
Reported-by: syzbot+a5765ed8cdb1cca4d249@syzkaller.appspotmail.com
Fixes: 77cd0d7b3f25 ("xsk: add support for need_wakeup flag in AF_XDP
rings")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2019-09-30 10:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-30 7:11 BUG: unable to handle kernel NULL pointer dereference in xsk_poll syzbot
2019-09-30 7:52 ` Magnus Karlsson
2019-09-30 10:53 ` syzbot [this message]
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