From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-202.mail.qq.com (out203-205-221-202.mail.qq.com [203.205.221.202]) (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 C004121A459 for ; Sun, 23 Aug 2026 03:23:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787455408; cv=none; b=azn7LG4haZzA2y1yDzS7TwjKzXo+Q1Sbt2NII2oy56v+tWj/tsiqvIp8aRFG0Leh1+MOpc9tBJPl5q1g4xmPwwmbu7dNbGqiWCXRKOHy4xYxB+xAMYw9nPd/orToJhXBA6B4T/I4tWAOekGfyK+x0K8G7yKWVb9D2RfrcPadUE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787455408; c=relaxed/simple; bh=HjS969fSQb6nXT0E1u/e3H3VRTSD4lj2c0C5Ylit1No=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=Vf2/uErKtSv72G4wAy7laohY3l9Rsg5i0qjtt0RI+uwMbriZFXyt1g85gqbWtAUIzI9zVVqlsZ4zy+9gbLzrOdSQk+JuBbjobtOFiX199JvkHTHuvVTdYnD0k0nwsjF5/onwcrfjp/4A9HORjIIUsXylJfOMzs+4335JuFBC9EQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=BR3bp7fI; arc=none smtp.client-ip=203.205.221.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="BR3bp7fI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1787455401; bh=lmxuEI/sUMkbOUsCAgTRponLSXdz7j0VxTI0J0GmNRU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BR3bp7fIyPVuGifzlgK3bA50PN5g583T/ISaPLX3LmQnpatNeJabkIdWYtgvCcYSg eU/lX98LZ/Ic2j4wsETigtMeL/9zj7fiAlaM1uBYqPdoZC0zpY0d3u02+VzfDZc8lo Ds4lz6aD1kzj8WHkqw1vgMtsOZW7xQw4Bf6Yhofg= Received: from lxu-ped-host.. ([111.198.231.89]) by newxmesmtplogicsvrszb51-1.qq.com (NewEsmtp) with SMTP id 5D29648E; Sun, 23 Aug 2026 11:23:18 +0800 X-QQ-mid: xmsmtpt1787455398tnj4wsmb2 Message-ID: X-QQ-XMAILINFO: NnYhxYSyuBnLJIJuGBs8ebK0BJ8FzHRQ9arKJgTgsMVGWzNNNGZg2EHSNcTkCv x36ERQi9xipcwrq8Iu9U+xfq4c9EJ5IxYgdDTrVNsa8mqHf8NVjj8bNjfORz0+uD1NqZAe9j2xjk v5r0jsezDP4buS2mflTnA5+GPvun8J0zBzZxRyhGuysZi3pE5InwJHWakNJgZ2cqRkg17dVzhzDp hJUCoaGLdWGsJqKXeKliJFDCLhRdaQX4AH3psiTz2SqselPFEzsDg121emmNWX9CSE67c3laqRS+ ZZIj6g2nklc1NdYlV2hQFMbKwGvN1JNHjhXRLiQrxVbZR2r2aUFq/xfB13GjJUF2VA5UjElJhRJ7 f9brLN6N8OLEGyg9mP0YaTLrVnQ7pfEaleag1t58v9lL4I8vi6TkYtwP6IdkInLp/R+5KCdUlXta Id2iSQCMIpcwyAiA8qNk3sHUY60h27d2M8IC6hViiTK8hZwKGxO+qxkff2MOstzOxFfSU3lynlCJ WHgliXwUamfc9gb/wS245tJ+ATso8qsKfeEpJIeZAKT0sbv+i/15NpJzxyTITvQwNqDlkYtvOBhD /u5JlaSR+1iD9ffF0sD6qPqCVtWqy9PhdNUfb7CzwuEaGLCcMTHrKa8NTnJMOmg747ncAskO1v1D ZPz2ItwhUdCZJT1Ji3BYUABkPVYAHJL12+iXADz2rVdFAnFZgiYWX3xH4WqdhCMQzLiVQCmgwr/m 7oHcjLDUgd0T0T8O52Bzj9u1+SNWoXWSWKW4nPhgwKsAOEAVnxmmEc+5Liy3f8Yq9q5FhS9WsMHq xr6Qvu/o3cr93dQVX2puc5O09vIBo0iRMinEDYMgt/qYpT5mtaPLJPor6JXIw4PfE83V9tJ9v28T 8d02Pm83Jlb3jrHjF6b8QE+i9wYXD6BQ0WixwrXZHUEgwk5mcvCHT5Z7OU1ipBUjc8CkbS1NtNlO WR7IkUtVfsEkSwwpSscRk31/+ZXfSrXGCvm8kLikRq240wZZjO+u+YJElSdxvNqR5MmnxE3AnZzY VfhPXacvc99FMbA7EWE4NeH6Ze/mU= X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== From: Edward Adam Davis To: syzbot+0054fed3dc9085390f51@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [kernel?] BUG: soft lockup in gate_timer_func Date: Sun, 23 Aug 2026 11:23:19 +0800 X-OQ-MSGID: <20260823032318.107787-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6a83310d.dbb3a75c.20434b.0069.GAE@google.com> References: <6a83310d.dbb3a75c.20434b.0069.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c index fdbfcaa3e2ab..30bcf173274c 100644 --- a/net/sched/act_gate.c +++ b/net/sched/act_gate.c @@ -501,6 +501,14 @@ static int tcf_gate_init(struct net *net, struct nlattr *nla, cycle = ktime_add_ns(cycle, entry->interval); cycletime = cycle; } + + if (cycletime < 0 || cycletime > INT_MAX) { + NL_SET_ERR_MSG(extack, "'cycle_time' is too big"); + err = -EINVAL; + spin_unlock_bh(&gact->tcf_lock); + goto err_free; + } + p->tcfg_cycletime = cycletime; p->tcfg_cycletime_ext = cycletime_ext;