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From: syzbot <syzbot+fad5d91c7158ce568634@syzkaller.appspotmail.com>
To: andrii@kernel.org, andriin@fb.com, ast@kernel.org,
	bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net,
	hawk@kernel.org, jakub.kicinski@netronome.com,
	john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org,
	kuba@kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com,
	netdev@vger.kernel.org, rostedt@goodmis.org,
	songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
	xdp-newbies@vger.kernel.org, yhs@fb.com
Subject: Re: KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
Date: Wed, 20 Jan 2021 23:14:11 -0800	[thread overview]
Message-ID: <000000000000891f4605b963d113@google.com> (raw)
In-Reply-To: <000000000000c8dd4a05b828d04c@google.com>

syzbot has bisected this issue to:

commit 8b401f9ed2441ad9e219953927a842d24ed051fc
Author: Yonghong Song <yhs@fb.com>
Date:   Thu May 23 21:47:45 2019 +0000

    bpf: implement bpf_send_signal() helper

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=123408e7500000
start commit:   7d68e382 bpf: Permit size-0 datasec
git tree:       bpf-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=113408e7500000
console output: https://syzkaller.appspot.com/x/log.txt?x=163408e7500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e0c7843b8af99dff
dashboard link: https://syzkaller.appspot.com/bug?extid=fad5d91c7158ce568634
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1224daa4d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13dfabd0d00000

Reported-by: syzbot+fad5d91c7158ce568634@syzkaller.appspotmail.com
Fixes: 8b401f9ed244 ("bpf: implement bpf_send_signal() helper")

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

  parent reply	other threads:[~2021-01-21  7:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05 15:25 KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7 syzbot
2021-01-20 23:09 ` syzbot
2021-01-21  7:14 ` syzbot [this message]
2021-01-23 19:35   ` Yonghong Song

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