From: Greg KH <gregkh@linuxfoundation.org>
To: Kurt Manucredo <fuzzybritches0@gmail.com>
Cc: nathan@kernel.org, songliubraving@fb.com, kafai@fb.com,
syzbot+bed360704c521841c85d@syzkaller.appspotmail.com,
hawk@kernel.org, daniel@iogearbox.net, yhs@fb.com,
linux-kernel@vger.kernel.org, john.fastabend@gmail.com,
andrii@kernel.org, ast@kernel.org,
syzkaller-bugs@googlegroups.com,
clang-built-linux@googlegroups.com, ndesaulniers@google.com,
netdev@vger.kernel.org, kpsingh@kernel.org, kuba@kernel.org,
bpf@vger.kernel.org,
linux-kernel-mentees@lists.linuxfoundation.org,
davem@davemloft.net
Subject: Re: [PATCH v3] bpf: core: fix shift-out-of-bounds in ___bpf_prog_run
Date: Thu, 3 Jun 2021 06:43:28 +0200 [thread overview]
Message-ID: <YLhd8BL3HGItbXmx@kroah.com> (raw)
In-Reply-To: <20210602212726.7-1-fuzzybritches0@gmail.com>
On Wed, Jun 02, 2021 at 09:27:26PM +0000, Kurt Manucredo wrote:
> UBSAN: shift-out-of-bounds in kernel/bpf/core.c:1414:2
> shift exponent 248 is too large for 32-bit type 'unsigned int'
I'm sorry, but I still do not understand what this changelog text means.
Please be very descriptive about what you are doing and why you are
doing it. All that is here is a message from a random tool :(
thanks,
greg k-h
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next prev parent reply other threads:[~2021-06-03 4:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000c2987605be907e41@google.com>
2021-06-02 21:27 ` [PATCH v3] bpf: core: fix shift-out-of-bounds in ___bpf_prog_run Kurt Manucredo
2021-06-03 4:43 ` Greg KH [this message]
2021-06-05 15:01 ` [PATCH v4] " Kurt Manucredo
2021-06-05 17:55 ` Yonghong Song via Linux-kernel-mentees
2021-06-05 19:10 ` Alexei Starovoitov
2021-06-05 21:39 ` Yonghong Song via Linux-kernel-mentees
2021-06-06 19:44 ` Kurt Manucredo
2021-06-07 7:38 ` Dmitry Vyukov via Linux-kernel-mentees
2021-06-09 18:20 ` Kees Cook
2021-06-09 23:40 ` Yonghong Song via Linux-kernel-mentees
2021-06-10 5:32 ` Dmitry Vyukov via Linux-kernel-mentees
2021-06-10 6:06 ` Yonghong Song via Linux-kernel-mentees
2021-06-10 17:06 ` Kees Cook
2021-06-10 17:52 ` Alexei Starovoitov
2021-06-10 20:00 ` Eric Biggers
2021-06-06 19:15 ` Kurt Manucredo
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