From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34974C433EF for ; Fri, 1 Oct 2021 13:35:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D6D761A58 for ; Fri, 1 Oct 2021 13:35:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353457AbhJANgn (ORCPT ); Fri, 1 Oct 2021 09:36:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231731AbhJANgm (ORCPT ); Fri, 1 Oct 2021 09:36:42 -0400 Received: from mail-qk1-x735.google.com (mail-qk1-x735.google.com [IPv6:2607:f8b0:4864:20::735]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB35CC06177C for ; Fri, 1 Oct 2021 06:34:58 -0700 (PDT) Received: by mail-qk1-x735.google.com with SMTP id 194so9070807qkj.11 for ; Fri, 01 Oct 2021 06:34:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=nREMf4tL4x0QCDrGbhB6naN2AlUQjiFQFd83vMWD2wU=; b=ZvPwcSGH7TJAox5tXqYlXVFyQaH8/UzRF+bt7ux4RjC1u+5MlvX/jY/f8j0Sbc0rLV Kfm2dDYY4NnPfH/P74Q0G4qt17F0x3Xdq8KD/dExKS5nlVRmx+f15B0KcWKyBmuBXpdA 9L8PqBW+UstLmxAocyhHRZ5minLSzxtoudQryWq/G/ONEuVnM4UamOCJcv8cqapTxYJ1 ZCCAxyE1cNwJuDiXRRvCq0ET6cZJ4cPPKbZuJ4La6g3N2rC+iXA788mWo5WbLEnI18jO IZsaz5+q6jVPNNXB5krYDyXaIM6cB4ng1HsSn76BCwWTiNXMLAMlfOQg1RxkR2wSKxWx px+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=nREMf4tL4x0QCDrGbhB6naN2AlUQjiFQFd83vMWD2wU=; b=V657WObwcOfenNTb4AzoE2PVqrt2dwq+wnVHxvOgJWa3e6iWsHjpQTqa08Xga1rKWv fZVbDtPVq9woudQSjXh9ccSz9uxom3h6OqVrH0gVr3oSbwixA9nmVxwO4fNHOOlCyO0k 0p9MaIHsIQohS9cJ2R8oZahrC+qV7XyhOpjgabc85nU+/UcvjPbJWJneJlZMg5i7YH/U OthzuwmcPEFkuFH7eqYs8MvdYdWMr8SJ3EWDiyUtZ17hS54Wcs3SN0HOgMbGdHWVro3o Cle2wWFfQZeW2QFMa4VELyQiro1QdPnh7IF7MmC1DUGJumQux/IQPVxSOSQLdH1kmkRK Z/Rw== X-Gm-Message-State: AOAM532naAsr+x0NxQtoEUQ6D9W4+7SUBxxOAtlZcjZSET0nVFpVNDCl bUX0TMyUBvIuBmPDaFcr3ewdnRnjTwahig== X-Google-Smtp-Source: ABdhPJygNLNWgV8/DSEupAw2+JBqgKBIQHsIhWkAlOb1yoFu5MSleY5IbdwvDUQmCLKhUqqC2nc6Ow== X-Received: by 2002:a37:b45:: with SMTP id 66mr9537884qkl.78.1633095297356; Fri, 01 Oct 2021 06:34:57 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-162-113-129.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.129]) by smtp.gmail.com with ESMTPSA id j184sm3100677qkd.74.2021.10.01.06.34.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Oct 2021 06:34:56 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1mWIgi-008Qq1-0w; Fri, 01 Oct 2021 10:34:56 -0300 Date: Fri, 1 Oct 2021 10:34:56 -0300 From: Jason Gunthorpe To: syzbot Cc: avihaih@nvidia.com, dledford@redhat.com, haakon.bugge@oracle.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] KASAN: use-after-free Read in addr_handler (5) Message-ID: <20211001133456.GM3544071@ziepe.ca> References: <00000000000073132c05cd496b83@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000073132c05cd496b83@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Fri, Oct 01, 2021 at 05:08:22AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 5816b3e6577e Linux 5.15-rc3 > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=13519b5f300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9290a409049988d4 > dashboard link: https://syzkaller.appspot.com/bug?extid=ae4de2b6e34e89637fc2 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 #syz dup: KASAN: use-after-free Read in addr_handler (4) Jason