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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E785C433E0 for ; Fri, 5 Jun 2020 06:09:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80762207ED for ; Fri, 5 Jun 2020 06:09:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726088AbgFEGJG (ORCPT ); Fri, 5 Jun 2020 02:09:06 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:45831 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725986AbgFEGJG (ORCPT ); Fri, 5 Jun 2020 02:09:06 -0400 Received: by mail-il1-f199.google.com with SMTP id q24so5659928ili.12 for ; Thu, 04 Jun 2020 23:09:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=zfMfzlBlpd3qWkpJFKroTeMQT3G8z4wtkn9pQpVcdFM=; b=rNvvYYuSTjf/qiezMg1ExHRRjWUYkceGFYSRMBwXLo1jqqtPCtoYPTGlVtFSSn8G3t OKj/6n/Yl0VIFC2eC64tylOx6LTL45KPfgqGOh6Xh1tnPY5WWaGnMVVmRWYrNIPslg2w 3YlnT3Kr7u8OKCQsALlvOClGRKraKfdjRCdjAU/r0e/D+ek107zv1aun0tU2OXmd+QTy sEXnb+Mq44gYzrWfpqkAfZiKLUk4W5gtXBxTfLETDz/XEsUQzONIcm6YZG8Leq+WK4Wc Wn36ZzdOe2ZTO23mF4TQyoVKTpn60Ww8a8YceTP/U3Y7OSa6jioY7nJNcmn0QnVTsw1m Nokw== X-Gm-Message-State: AOAM532mBn05F4JZCXpfIDMI4DGvKCN4bLrOuWdPK86XFxd9tywhHpxv 1NidDaVYfUZ9fmBlEsgG9RD2yDUrO44sKmCrpuAAkqBYK9mU X-Google-Smtp-Source: ABdhPJwAkYKDZuKJ3kL67cziO2fZITVmB5aBx55QUMPXRpbP4Pme2q99pelZ8TGD+wxZ2eem8686PfvQe7n18DFSv54D+fOIMPXJ MIME-Version: 1.0 X-Received: by 2002:a92:c9ce:: with SMTP id k14mr7131158ilq.250.1591337343956; Thu, 04 Jun 2020 23:09:03 -0700 (PDT) Date: Thu, 04 Jun 2020 23:09:03 -0700 In-Reply-To: <000000000000a363b205a74ca6a2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001ac18b05a75019ab@google.com> Subject: Re: BUG: using smp_processor_id() in preemptible code in radix_tree_node_alloc From: syzbot To: bjorn.andersson@linaro.org, davem@davemloft.net, ebiggers@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, manivannan.sadhasivam@linaro.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit e42671084361302141a09284fde9bbc14fdd16bf Author: Manivannan Sadhasivam Date: Thu May 7 12:53:06 2020 +0000 net: qrtr: Do not depend on ARCH_QCOM bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e22212100000 start commit: acf25aa6 Merge tag 'Smack-for-5.8' of git://github.com/csc.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=14122212100000 console output: https://syzkaller.appspot.com/x/log.txt?x=10122212100000 kernel config: https://syzkaller.appspot.com/x/.config?x=5263d9b5bce03c67 dashboard link: https://syzkaller.appspot.com/bug?extid=3eec59e770685e3dc879 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15bd4c1e100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1520c9de100000 Reported-by: syzbot+3eec59e770685e3dc879@syzkaller.appspotmail.com Fixes: e42671084361 ("net: qrtr: Do not depend on ARCH_QCOM") For information about bisection process see: https://goo.gl/tpsmEJ#bisection