public inbox for netdev@vger.kernel.org 
 help / color / mirror / Atom feed

From: Greg KH <gregkh@linuxfoundation•org>
To: Kurt Manucredo <fuzzybritches0@gmail•com>
Cc: syzbot+bed360704c521841c85d@syzkaller•appspotmail.com,
	andrii@kernel•org, ast@kernel•org, bpf@vger•kernel.org,
	daniel@iogearbox•net, davem@davemloft•net, hawk@kernel•org,
	john.fastabend@gmail•com, kafai@fb•com, kpsingh@kernel•org,
	kuba@kernel•org, linux-kernel@vger•kernel.org,
	netdev@vger•kernel.org, songliubraving@fb•com,
	syzkaller-bugs@googlegroups•com, yhs@fb•com, nathan@kernel•org,
	ndesaulniers@google•com, clang-built-linux@googlegroups•com,
	linux-kernel-mentees@lists•linuxfoundation.org,
	skhan@linuxfoundation•org
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

next prev parent reply	other threads:[~2021-06-03  4:43 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-10 16:05 [syzbot] UBSAN: shift-out-of-bounds in ___bpf_prog_run syzbot
2021-03-28  3:38 ` syzbot
2021-06-02 21:27   ` [PATCH v3] bpf: core: fix " 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
2021-06-05 19:10           ` Alexei Starovoitov
2021-06-05 21:39             ` Yonghong Song
2021-06-06 19:44               ` Kurt Manucredo
2021-06-07  7:38             ` Dmitry Vyukov
2021-06-09 18:20               ` Kees Cook
2021-06-09 23:40                 ` Yonghong Song
2021-06-10  5:32                   ` Dmitry Vyukov
2021-06-10  6:06                     ` Yonghong Song
2021-06-10 17:06                       ` Kees Cook
2021-06-10 17:52                         ` Alexei Starovoitov
2021-06-10 20:00                           ` Eric Biggers
2021-06-15 16:42                             ` [PATCH v5] " Kurt Manucredo
2021-06-15 18:51                               ` Edward Cree
2021-06-15 19:33                                 ` Eric Biggers
2021-06-15 21:08                                   ` Daniel Borkmann
2021-06-15 21:32                                     ` Eric Biggers
2021-06-15 21:38                                       ` Eric Biggers
2021-06-15 21:54                                         ` Daniel Borkmann
2021-06-15 22:07                                           ` Eric Biggers
2021-06-15 22:31                                             ` Kurt Manucredo
2021-06-17 10:09                                             ` Daniel Borkmann
2021-06-06 19:15           ` [PATCH v4] " Kurt Manucredo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YLhd8BL3HGItbXmx@kroah.com \
    --to=gregkh@linuxfoundation$(echo .)org \
    --cc=andrii@kernel$(echo .)org \
    --cc=ast@kernel$(echo .)org \
    --cc=bpf@vger$(echo .)kernel.org \
    --cc=clang-built-linux@googlegroups$(echo .)com \
    --cc=daniel@iogearbox$(echo .)net \
    --cc=davem@davemloft$(echo .)net \
    --cc=fuzzybritches0@gmail$(echo .)com \
    --cc=hawk@kernel$(echo .)org \
    --cc=john.fastabend@gmail$(echo .)com \
    --cc=kafai@fb$(echo .)com \
    --cc=kpsingh@kernel$(echo .)org \
    --cc=kuba@kernel$(echo .)org \
    --cc=linux-kernel-mentees@lists$(echo .)linuxfoundation.org \
    --cc=linux-kernel@vger$(echo .)kernel.org \
    --cc=nathan@kernel$(echo .)org \
    --cc=ndesaulniers@google$(echo .)com \
    --cc=netdev@vger$(echo .)kernel.org \
    --cc=skhan@linuxfoundation$(echo .)org \
    --cc=songliubraving@fb$(echo .)com \
    --cc=syzbot+bed360704c521841c85d@syzkaller$(echo .)appspotmail.com \
    --cc=syzkaller-bugs@googlegroups$(echo .)com \
    --cc=yhs@fb$(echo .)com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox