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From: syzbot <syzbot+5027de09e0964fd78ce1@syzkaller.appspotmail.com>
To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org,
	daniel@iogearbox.net, davem@davemloft.net, fgheet255t@gmail.com,
	hawk@kernel.org, jakub@cloudflare.com, john.fastabend@gmail.com,
	kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org,
	linux-kernel@vger.kernel.org, lmb@cloudflare.com,
	netdev@vger.kernel.org, songliubraving@fb.com,
	syzkaller-bugs@googlegroups.com, yhs@fb.com
Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put
Date: Thu, 20 Jan 2022 06:17:13 -0800	[thread overview]
Message-ID: <0000000000009fa8ee05d60428f1@google.com> (raw)
In-Reply-To: <000000000000367c2205d2549cb9@google.com>

syzbot suspects this issue was fixed by commit:

commit 218d747a4142f281a256687bb513a135c905867b
Author: John Fastabend <john.fastabend@gmail.com>
Date:   Tue Jan 4 21:46:45 2022 +0000

    bpf, sockmap: Fix double bpf_prog_put on error case in map_link

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12919c37b00000
start commit:   662f11d55ffd docs: networking: dpaa2: Fix DPNI header
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa556098924b78f0
dashboard link: https://syzkaller.appspot.com/bug?extid=5027de09e0964fd78ce1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14fccadbb00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1598d9ebb00000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: bpf, sockmap: Fix double bpf_prog_put on error case in map_link

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

  parent reply	other threads:[~2022-01-20 14:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-04 16:35 [syzbot] KASAN: vmalloc-out-of-bounds Read in __bpf_prog_put syzbot
2021-12-06 19:02 ` John Fastabend
2021-12-07 17:36 ` syzbot
2022-01-20 14:17 ` syzbot [this message]
2022-01-24 11:42   ` Vegard Nossum
2022-05-19 15:01     ` Dmitry Vyukov

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