From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 B1F5D5A7AA for ; Tue, 20 Feb 2024 07:16:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708413375; cv=none; b=eR8ZgHiLDS4Ytxme8FGsL85ftnOo11QBz2pwRtvSjAihg7Rfh+yXDiAdgs9PmXM9dnb+pfD1tRHRIggWG25EeiIyr4kz9zWxwHpESuScijea7quR4QOqTklAYGc1kE9+PreqBAR0f1yJnKwSUqPuX4hY150ImtCaT0+yvOD3KXI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708413375; c=relaxed/simple; bh=Y5g/NozKOkvYdEq6doQYTKN0YGh6Ay4GymYgkWKFTGo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=fnCWkR24lGkjvUMv3U1hI4qcHF6Jy/G/qMs6UlEwaiAQdSyL5vGvcmk1X0m87ThnjVx7x9s0zNJKJ5gFh+HLUaRGK5VzZmuORXILKS9QAuC39wKP+hZ2ING1ZBZbEQh9ttRlcCfM+89BK3p8UIsPcqOFw2F+m5gDfoicbmu6Vjg= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-7baa66ebd17so644118339f.1 for ; Mon, 19 Feb 2024 23:16:13 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708413373; x=1709018173; 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=v/k/JrZr1BfcHhOAaV2oyCmSOvOCr7BBaqqXONQJem0=; b=gg7EaGO7k66IEYBuhBwM9Dm9YO1M4iwmMWUUGC5qwVs39Y0VWDvOcDB71avqqopQch /UfkSAr0E/PHYiUESNdNgygDqhSuGJIkC8z8L3Dpg+SoDz20Y/8OPwEb0wo3ByJNQ5/D o5bJugJbyLu08lw2V57lVacPnixDXwgoLagSUAD8cSxIk72UoKvU2v8Y/uMgmGEVWyB9 9AwXSY6wnnEdl9BHgGS0TPFoM1Dtxj0iRdQMJUaduG4pX3YqZL6VbEmBm49LWEWvoxP2 iN2ZFqbeJPVnHXIZrubRWPnM7KA3JV7b4sIWSNl0OtwelfD2al9UZ8RGjZadybEvyKyD y48A== X-Gm-Message-State: AOJu0YwRngAtj6/+pXGdeiAOr0uzCDkJmMUkibtH5ghNQzkqzSB1j2ps HkYL0MAL4WecATJUtd6K3gfC3gF5xJGQeC6qgZrgif3q+jI7b1dXPgVXdzwRCx34hVcSITcdXyh OgEMFTcWgN2RquzgCtTi3xEZ7Ulks/6Io7dV0CltdnkP8nwIN47K1zO1Yng== X-Google-Smtp-Source: AGHT+IFLa6a37A3Ttc9GvLlCffwoKXGlCdYtCzkj2b5rW2CSJb/4gq9zn/Ohj6OY5wIZYocvCRSiij+Mc9RhPU3V0uRLv4i34e6x Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:188c:b0:365:21f4:7030 with SMTP id o12-20020a056e02188c00b0036521f47030mr760052ilu.4.1708413372910; Mon, 19 Feb 2024 23:16:12 -0800 (PST) Date: Mon, 19 Feb 2024 23:16:12 -0800 In-Reply-To: <0000000000002cf4690610660f71@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000038d3680611cafc4d@google.com> Subject: Re: [syzbot] Test for 34ad5fab48f7bf510349 From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Test for 34ad5fab48f7bf510349 Author: syoshida@redhat.com #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 9c962347cf85..c9ad41bce426 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -167,7 +167,8 @@ static inline u32 netlink_group_mask(u32 group) static struct sk_buff *netlink_to_full_skb(const struct sk_buff *skb, gfp_t gfp_mask) { - unsigned int len = skb_end_offset(skb); + //unsigned int len = skb_end_offset(skb); + unsigned int len = skb->len; struct sk_buff *new; new = alloc_skb(len, gfp_mask);