From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7DAE4610B for ; Sat, 22 Nov 2025 01:17:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763774227; cv=none; b=IWKXuahtIFoV2Ja5ZbwC5eWEfyyhHKpANR1UAhZOBYmOyOhe9JNqHqAn+t8IT710jLeClmM7+hlkE6EUoUtWdLYq+2ow0kToSnMD3INxCZiN1oRHm0oc7icVxqkxFBkLetbMfONpTA8mZBNcSjcou0IHeIYX5kHR0IwZ/iMCuJk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763774227; c=relaxed/simple; bh=WMkOOnc7lW16bqTV7elMZfje/Ou6G70+Yq1wBSRahgc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LSjDPWmQATfSu+OtbMI9fSS3jgRVAgZJHP3tmmP1YyzBlJXLQ6VE1TE7CqIKOHuW9eCu7dx+qLrU3KdRW7yk5cGQYWlYlssnmwUXev6V3r8ykNHeqoElPKId63Ichm8c/lp2gtuMp4ngCxMFHw6Mu+AdtOvq9XceP0oLWMDAenY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-43478824a6fso24915885ab.3 for ; Fri, 21 Nov 2025 17:17:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763774223; x=1764379023; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UZSU65QgF/FBmE4nfihqRERT5QTB/HlH/UzGV+EFLBo=; b=UZ7kRM0lHha9y0+tSwJBDrNOAlSQVc8agkKBpKQr3S31JS5rjb+SI4bPMGR1haF7NA ZaH1ma+hS49Itf5ASThA59MvDSLSgimqEY7RW32YzaJBocGFO4NAF8ZenLrM/RrCFegs na7d6XQjhpJt3NFr7kn+uvI58euvfHLcuBEOYD2gNWpFyKHpCrFLaQ8ZCGsWO99AKzoy hHlZREA21kLRIljX3hZsdsIMTCivdIVNsHvb2aD7hedSWsPQFXMWELaKayDD4mizspqs ZdLUR6s4i0KG8bZ3ujkp8ZrYjDw0gVzOk2OenkMLOrHhKDIqsYr37anf+KwGabG5GBc6 SqnQ== X-Forwarded-Encrypted: i=1; AJvYcCVrJSKqiPluRArArqHd5UqutUaLpsW4CSdHRqCc89zefjXj4YUL7vbltHh4oMwKDv2QhoeulZ4Xuc8bIy8=@vger.kernel.org X-Gm-Message-State: AOJu0YwfFEdfkfpw1JsEYnSjwv/yrWtXX4Dq65OsL6Ssjf4kxiTSCG1P q+JOv6GAAwQVv8BKuFpmNAf0paR/hiK6nqnsfpRk3PwHLu0JSKUbEP9pQLeVM4OqbgK+oB4XeAM re2lRSYLXxx1iwRC08rMS+NcCqmvE6hL4z05vEen+Qw96vHA6KYHVemhGsgg= X-Google-Smtp-Source: AGHT+IG/+InU6l3SCKRBCtqkGdLhhTDnXg4Q87LoKI3LfM9Ku6m3WSw99nfIzBsnT2r9jMHVCZCPpbGqxnWboVEZ10RRp44G37j0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:180d:b0:433:7c77:be58 with SMTP id e9e14a558f8ab-435b8e716ffmr45102085ab.29.1763774223595; Fri, 21 Nov 2025 17:17:03 -0800 (PST) Date: Fri, 21 Nov 2025 17:17:03 -0800 In-Reply-To: <6920855a.a70a0220.2ea503.0058.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69210f0f.a70a0220.d98e3.0050.GAE@google.com> Subject: Re: [syzbot] [net?] WARNING in em_nbyte_match From: syzbot To: davem@davemloft.net, edumazet@google.com, eric.dumazet@gmail.com, horms@kernel.org, jeremy@azazel.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, pablo@netfilter.org, syzkaller-bugs@googlegroups.com, tom@herbertland.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 66e4c8d950083df8e12981babca788e1635c92b6 Author: Eric Dumazet Date: Tue May 10 03:57:39 2022 +0000 net: warn if transport header was not set bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b34c2a580000 start commit: 8e621c9a3375 Merge tag 'net-6.18-rc7' of git://git.kernel... git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=17b34c2a580000 console output: https://syzkaller.appspot.com/x/log.txt?x=13b34c2a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=14b6a9313e132a6b dashboard link: https://syzkaller.appspot.com/bug?extid=f3a497f02c389d86ef16 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e83658580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149b4484580000 Reported-by: syzbot+f3a497f02c389d86ef16@syzkaller.appspotmail.com Fixes: 66e4c8d95008 ("net: warn if transport header was not set") For information about bisection process see: https://goo.gl/tpsmEJ#bisection