linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: syzbot <syzbot+f5731e2256eb5130dbd6@syzkaller.appspotmail.com>
Cc: aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net,
	davejwatson@fb.com, davem@davemloft.net,
	john.fastabend@gmail.com, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: KASAN: invalid-free in tls_sk_proto_cleanup
Date: Wed, 31 Jul 2019 15:46:50 -0700	[thread overview]
Message-ID: <20190731154650.3766622f@cakuba.netronome.com> (raw)
In-Reply-To: <00000000000010fb45058ef5eb52@google.com>

On Wed, 31 Jul 2019 01:29:05 -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    fde50b96 Add linux-next specific files for 20190726
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=15ea7f3fa00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4b58274564b354c1
> dashboard link: https://syzkaller.appspot.com/bug?extid=f5731e2256eb5130dbd6
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+f5731e2256eb5130dbd6@syzkaller.appspotmail.com
> 
> ==================================================================
> BUG: KASAN: double-free or invalid-free in tls_sk_proto_cleanup+0x216/0x3e0  
> net/tls/tls_main.c:300

FWIW there is a fix in the works for this and all new TLS issues.
I think John and Eric didn't have time yet to look at my theories,
so I'd like to keep it in QA for one extra day before posting.

      reply	other threads:[~2019-07-31 22:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31  8:29 KASAN: invalid-free in tls_sk_proto_cleanup syzbot
2019-07-31 22:46 ` Jakub Kicinski [this message]

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=20190731154650.3766622f@cakuba.netronome.com \
    --to=jakub.kicinski@netronome.com \
    --cc=aviadye@mellanox.com \
    --cc=borisp@mellanox.com \
    --cc=daniel@iogearbox.net \
    --cc=davejwatson@fb.com \
    --cc=davem@davemloft.net \
    --cc=john.fastabend@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=syzbot+f5731e2256eb5130dbd6@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    /path/to/YOUR_REPLY

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

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).