From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA0581EB5E1; Fri, 9 Jan 2026 00:56:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767920203; cv=none; b=XhoL4uB8oGBnQwJmS7t2v6w3s2QfrTW6IX3gvrfVoRrmKceZlAgxZ2tgyUzxfykwy0R5NKehxIoeHCuuZLONr3Y94+P7IrUwBV2pjfyWdotgvNccDAY0b3WuEwEifsXNW4zJwWUgbh3KgHV4kO0O5SBlQ25N7YY2OZHYfoxCyNg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767920203; c=relaxed/simple; bh=vqJZDHh2cmNS2nIPBQoeIp5cRhAVJY3HXNq5Hq1PjdY=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=ILvrztNYOT/jXRMk8b3ptiQRnTqf3Ev9hF7dBNFIkVLj4adltLlX06OECXmp4qXPqXbHAouz2FwK+Q97Ko2ysaPb2jDk9aKqxPO2rUBJWCy1PXNXTathVDAlEBcODCJmID6S37VpmhvKQjuG+kwQlMzbqr9wbWoa+FHBn7POwV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=llUkBRG2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="llUkBRG2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA65AC116C6; Fri, 9 Jan 2026 00:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767920203; bh=vqJZDHh2cmNS2nIPBQoeIp5cRhAVJY3HXNq5Hq1PjdY=; h=Date:Subject:To:References:From:In-Reply-To:From; b=llUkBRG2NSn6UsqwqLz/oHPISJ0M6tgohqLshJcRTUAaCvJPGssOSHxTeuzWXc5Vd 7vbViCE1UOD0NvRSdIwZtYunQBuvbsvBio2HrLIo5ylu+N6zza+wrPhGVuJDTkh8co rtIyPYiuq88rrehyG4bV9cvW4eXAjMVLu8RR+NgsBy4c3vf5Q0Qh75WumGMeas+m/V pWqy4UPF5aF++ZHSLHX2FkunE7VBUF1VitKXBtn/PDB157uQIOCq5wRxlMegkyiFNs gPOM4AlfLcwtRKZj7sD6IwrNydeFcSPvodlHGvUYxwgTzmR1bNySj5AxEGPSyHMXlo nzrPJ2qVePSdw== Message-ID: Date: Thu, 8 Jan 2026 17:56:41 -0700 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [net?] kernel BUG in fib6_add_rt2node (2) Content-Language: en-US To: syzbot , davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com References: <695d4d3a.050a0220.1c677c.0349.GAE@google.com> From: David Ahern In-Reply-To: <695d4d3a.050a0220.1c677c.0349.GAE@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/6/26 10:58 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 1d528e794f3d Merge branch 'bpf-fix-bpf_d_path-helper-proto.. > git tree: bpf > console output: https://syzkaller.appspot.com/x/log.txt?x=159c51c2580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9e5198eaf003f1d1 This config at commit 59ba823e689f832f389ea6af6e7ae5842b3c860a (HEAD -> net-next, net-next/main) Merge: 76de4e1594b7 f2a3b12b305c Author: Jakub Kicinski Date: Thu Jan 8 11:37:07 2026 -0800 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net > dashboard link: https://syzkaller.appspot.com/bug?extid=cb809def1baaac68ab92 > compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=139c51c2580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11b2961a580000 and this reproducer does not show a problem for me.