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[81.53.253.61]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-486fe8c2ce3sm632675e9.8.2026.03.19.10.17.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 10:17:24 -0700 (PDT) Date: Thu, 19 Mar 2026 18:17:22 +0100 From: Paul Chaignon To: Shung-Hsi Yu Cc: bpf@vger.kernel.org, Harishankar Vishwanathan , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman Subject: Re: [PATCH bpf-next 2/4] bpf: Simulate branches to prune based on range violations Message-ID: References: Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Mar 19, 2026 at 06:13:48PM +0100, Paul Chaignon wrote: > On Thu, Mar 19, 2026 at 03:09:10PM +0800, Shung-Hsi Yu wrote: > > On Thu, Mar 19, 2026 at 12:50:34AM +0100, Paul Chaignon wrote: > > > On Tue, Mar 17, 2026 at 02:14:48PM +0800, Shung-Hsi Yu wrote: > > > > On Fri, Mar 13, 2026 at 11:54:43PM +0100, Paul Chaignon wrote: > > [...] > > > > Yes, that's definitely a good point. We probably don't even want to > > > backport this to stable kernels (at least not until we've built more > > > confidence via syzbot). We'll drop the tag. > > > > I was actually hoping to get it into stable as soon as it merged, heh, > > but make sense. > > > > You would have to actively reply the AUTOSEL selection email sent to you > > once this merged though, even without the fixes tag it would still > > likely bit picked up; I'm not sure the exact AUTOSEL criteria and it > > seem LLM-based right now, but given this says "fix" and "syzbot" I doubt > > it will overlook this. > > That makes me think Checkpatch will likely complain about the missing > tag as soon as I repost without it, right? Given I'll need to answer to > the AUTOSEL email anyway, maybe it makes sense to keep a Fixes tag. > Would a Fixes: 5f99f312bd3b ("bpf: add register bounds sanity checks > and sanitization") make more sense here? Uh, that's already what I added :facepalm: Thankfully, vacation is only hours away... :) > > > > > > > > Reported-by: syzbot+c950cc277150935cc0b5@syzkaller.appspotmail.com > > > > > Closes: https://syzkaller.appspot.com/bug?extid=c950cc277150935cc0b5 > > > > > Co-developed-by: Paul Chaignon > > > > > Signed-off-by: Paul Chaignon > > > > > Signed-off-by: Harishankar Vishwanathan > > > > ...