Received: by 2002:ab2:6203:0:b0:1f5:f2ab:c469 with SMTP id o3csp1364393lqt; Sat, 20 Apr 2024 11:35:16 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCX5xqPUcHNmbhx15PSyIgqG8IN4oH82BukncsHgD1sh7YOKVW8knSmIO68ESLQu5n3CXiBRFhV6zVuV56mKHIhwAGKuQT1ugegcIVK5Gg== X-Google-Smtp-Source: AGHT+IHj/QfgrV1UL8siyI6UUxNoXJ8DJWnDz8/Av2wy/ti7b5foMWCvxrw/IWXA8VDCNIxu0/bj X-Received: by 2002:a05:690c:3345:b0:61a:d4ea:b856 with SMTP id fk5-20020a05690c334500b0061ad4eab856mr5564698ywb.40.1713638116231; Sat, 20 Apr 2024 11:35:16 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1713638116; cv=pass; d=google.com; s=arc-20160816; b=iXh4H76LfcKcqq56kwgVNdLrjf+kYRBqA84aMVwcjokEXFK0jew623Yat2CxQBBmIP OjbRzeCxn3+NdoBEJ8eVMitalAS7CkHQ4mnFWpjw2OIp2dIM/d/ISE5A6mCJsynI+t6u ILN/j27GsEX0ZzHHN6zuL0CqxqzhBwqh94pVQ6oBR8Km92SYkJc6jEir9cCPNa//6eay nDcIOBuhzhtrTceEHrZF1Oh8KISfozWWZbeHA1tu0a7uMp5XCWnOSHrypWj+WczD37EW EzMmw3A27f8txBg2+Np77OX8Pe9mUbJ1gNAiVHi0M/14QRGMZ1b3E5TQc/5UXhCsZ6fq NO6w== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=to:from:subject:message-id:in-reply-to:date:mime-version :list-unsubscribe:list-subscribe:list-id:precedence; bh=E/RSUERUuEiGuR/bt0u6YwzU2HAwP9JNrb2sLt0V+TM=; fh=98og656rO2URRDUmjzHM6wOHRtEaJJjUrSq3awLS5UY=; b=wJEkzPqheOBEc15lbU0YTlNSWwip3cZXlX0MYSG003p4AOE3BCLCAltfkcKYkru8S3 eKZGvg22wzxnuEF8q1+qHzY6G1Wpwj9EFjub/27I+2rEDeBmX1AjtmbgwPbJ2HUG9Y7U wMcmMQ0+zYUVh6/ljfoYvIErz5pViWycN2Nwtmgq6wDukaOE3i8w25VWzfWlV0vHEtcN GZAC3NcjdFV3JSgEpeFVjygjZIul+8Dc50x7vEm9ZYLueWj6UEbWGZrPTW4HzAe3M7oo bZgh3kHd2ZJd9KeMC73QFXH/tSnyztoecws/7xBZn2cs8859IavCM/EexwLHZzJp3+Ax t3ag==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-152353-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152353-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id m18-20020a05620a215200b0078d67a8f4b6si6399942qkm.541.2024.04.20.11.35.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Apr 2024 11:35:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-152353-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-152353-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152353-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id F0F0C1C2088B for ; Sat, 20 Apr 2024 18:35:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C86E23D0BE; Sat, 20 Apr 2024 18:35:06 +0000 (UTC) Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 08343111A3 for ; Sat, 20 Apr 2024 18:35:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713638106; cv=none; b=ZbbXFpZxU1WDijRZMnzJkEFca8eMvy6xzsxJZlVis+QUXla8ggQuXIMopeMuK94znsg86jL+t/yBW4i3ChQt5AZYDx5qHkaRv6Z5q1d22A9gBC+IIU5DBcyzzsIEOVd3tik2qzY/hk83MKxzZqBQxcXvEr3O9pt/+fIuhS3ZWJY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713638106; c=relaxed/simple; bh=hdYBH6iHeFdCwus1qkWibPK9xXXOODQaZ79r1j4yrBI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=JUXTMDyvg66/X18ulaT38d2Wsojgx9BYOETsRC923sGzqOcl+6v03qT0xE+Zjpd1/JHfaSbSsC6o+50VmCu83WmZE90R+vE1maCskscrxj/0LpBA4sNYzfGVfZhsjXDRoIplENFWUQ8NmCnPZ1EG4AxJocmK3sQvo1k5y+ac93I= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-36b28210f43so39134785ab.1 for ; Sat, 20 Apr 2024 11:35:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713638104; x=1714242904; 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=E/RSUERUuEiGuR/bt0u6YwzU2HAwP9JNrb2sLt0V+TM=; b=ON+eAnE8aTU5sOwUIR5MxRpQ9EtBtDrvkHTRsX/eyOd5K8xQkYkt81g2ZzmHwUn+T6 Jf0ixnL9MBp34niBksj/g883X45XX1YClyTxY7QM8+Zj/fGkE8BbLt1tXRbBiPUGZDTU lQwIy75s9HkFoN39Cmi+sHl1ufr4Qt7ieJwQR85eOpQkHn7ZAHkrJXMjF6lpIvHan24O CS3BmOQOv6IPWiIXBHg/efW29maEf1Hjd2jbGz+bPKzFGMOCtHt3vDcSM++xfCCgmayj iX47GhqrVLv3VDG748hk6bcvYKauA3fG4HKLCZfEsqKN2XV9UyCwOPZ7NWeaiiXSaB0t cPfw== X-Forwarded-Encrypted: i=1; AJvYcCWCebC5IczpRlp2YtI+8qGoQHyzDTLHcRqYg0NyMZ+SyZyndAvIKpqld27jf/S71g+noyAa5YAQVyADpsiNTGyn5lvO+PEL7Vqh90ZR X-Gm-Message-State: AOJu0YyPMOdddH0Tj9Ll1EFFL4OA1rn5PSu9dk7o4UGNUV6F71dnd+PP ZyPddOWHrJ3c+XoNnyMfgipvvNF3EwSOkg7cxyPyx+MSJ9+b/Wo8W8xAS+JKlyY5mVmPPVKoxDk /o0VIguZpiU870x28B3n6RV58FIS024Eqa1Y/4thTrpnZWi7t+smQBks= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c267:0:b0:36b:fbab:9f14 with SMTP id h7-20020a92c267000000b0036bfbab9f14mr386675ild.1.1713638104271; Sat, 20 Apr 2024 11:35:04 -0700 (PDT) Date: Sat, 20 Apr 2024 11:35:04 -0700 In-Reply-To: <000000000000c6405606166fdc68@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007aa28106168b76c9@google.com> Subject: Re: [syzbot] [net?] WARNING in gre_tap_xmit (2) From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, fw@strlen.de, horms@kernel.org, kuba@kernel.org, kuniyu@amazon.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 219eee9c0d16f1b754a8b85275854ab17df0850a Author: Florian Westphal Date: Fri Feb 16 11:36:57 2024 +0000 net: skbuff: add overflow debug check to pull/push helpers bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167a954f180000 start commit: 443574b03387 riscv, bpf: Fix kfunc parameters incompatibil.. git tree: bpf final oops: https://syzkaller.appspot.com/x/report.txt?x=157a954f180000 console output: https://syzkaller.appspot.com/x/log.txt?x=117a954f180000 kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440 dashboard link: https://syzkaller.appspot.com/bug?extid=c298c9f0e46a3c86332b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a94f00980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15bce6ab180000 Reported-by: syzbot+c298c9f0e46a3c86332b@syzkaller.appspotmail.com Fixes: 219eee9c0d16 ("net: skbuff: add overflow debug check to pull/push helpers") For information about bisection process see: https://goo.gl/tpsmEJ#bisection