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From: Jakub Kicinski <kuba@kernel.org>
To: Kees Cook <keescook@chromium.org>
Cc: Dmitry Vyukov <dvyukov@google.com>,
	syzbot <syzbot+3a080099974c271cd7e9@syzkaller.appspotmail.com>,
	bpf@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
	fw@strlen.de, harshit.m.mogalapalli@oracle.com,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	pabeni@redhat.com, syzkaller-bugs@googlegroups.com,
	linux-hardening@vger.kernel.org
Subject: Re: [syzbot] upstream boot error: WARNING in netlink_ack
Date: Tue, 4 Oct 2022 17:23:34 -0700	[thread overview]
Message-ID: <20221004172334.2cb0233e@kernel.org> (raw)
In-Reply-To: <20221004170400.52c97523@kernel.org>

On Tue, 4 Oct 2022 17:04:00 -0700 Jakub Kicinski wrote:
> > why does a fixed size mean no memset?  
> 
> Copy and paste, it seems to originate from:
> 
> 0c19b0adb8dd ("netlink: avoid memset of 0 bytes sparse warning")
> 
> Any idea why sparse would not like empty memsets?

Google answers is. Let me test if sparse still wants the workaround.

  reply	other threads:[~2022-10-05  0:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-04  8:27 [syzbot] upstream boot error: WARNING in netlink_ack syzbot
2022-10-04  8:33 ` Dmitry Vyukov
2022-10-04 14:36   ` Kees Cook
2022-10-04 17:42     ` Jakub Kicinski
2022-10-04 23:40       ` Kees Cook
2022-10-05  0:04         ` Jakub Kicinski
2022-10-05  0:23           ` Jakub Kicinski [this message]
2022-10-05  0:28         ` [RFC] netlink: split up copies in the ack construction Jakub Kicinski
2022-10-05  3:03           ` Kees Cook
     [not found] <PH8PR10MB6290511E9C0A3D20E1C222EEC25A9@PH8PR10MB6290.namprd10.prod.outlook.com>
2022-10-04 12:57 ` [syzbot] upstream boot error: WARNING in netlink_ack syzbot

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