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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 45819C388F9 for ; Sun, 8 Nov 2020 17:22:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00FC120760 for ; Sun, 8 Nov 2020 17:22:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728656AbgKHRWI (ORCPT ); Sun, 8 Nov 2020 12:22:08 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:38301 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727570AbgKHRWI (ORCPT ); Sun, 8 Nov 2020 12:22:08 -0500 Received: by mail-io1-f72.google.com with SMTP id e21so4233062iod.5 for ; Sun, 08 Nov 2020 09:22:08 -0800 (PST) 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=eZACx1XpHn/TCjzHcQemMkrViEyAo5WxQGRjHxgnnxQ=; b=swZsxmLRxVubv90TjJn1k2PwxpegrNuKaBEUPLyLBMgj46vx2j1m0Iy3AuT+vUNcuk teRKs5eaWsntaSeNCsEo0rmqds/zaaIX2jbhw5NqeD/S6iyeR4jibFX0w+YWKy6KUjSk 2ydogdIV96NL3oxxiBSSJUmyevZTc2iUxd9nFOIqaV9HR+iXqPEibYAnoG/46RO2bCB+ qwElezJal+hHfYoTcNCEMO7fbg7OOFosjejkpZncZQ5LAR2jpco3IJ+y+xEbuYSlrMRT RXIr5KaUyX8LlrJoe/p9H3+AGoMbS3ZZPmSqGYU9QQzCva0YovmEOPTiDa7gqmE8NUEG AYGA== X-Gm-Message-State: AOAM532KvDTMIu5UkaWwRbLTQFbgGfqhsa2srfxvOItNwG5Df050CjT4 NIUinXJR9v1IeYgHjIOPRK+9fcmBWCP8QJ+VwXXy907tbEwD X-Google-Smtp-Source: ABdhPJz6eJZhahQVk2GSxFF4Y7ogqWeAQpCf2TE9sSWZqAr0QdPmPHWIO6Z1oJXfYR80t+8pyzXk7yNWshTaYh62WzNcf/NmGeIq MIME-Version: 1.0 X-Received: by 2002:a6b:d21a:: with SMTP id q26mr7285163iob.128.1604856127764; Sun, 08 Nov 2020 09:22:07 -0800 (PST) Date: Sun, 08 Nov 2020 09:22:07 -0800 In-Reply-To: <00000000000018a47605af074c7d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006942a305b39baf75@google.com> Subject: Re: WARNING in syscall_exit_to_user_mode From: syzbot To: b.zolnierkie@samsung.com, christian@brauner.io, dan.carpenter@oracle.com, george.kennedy@oracle.com, keescook@chromium.org, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@kernel.org, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit a49145acfb975d921464b84fe00279f99827d816 Author: George Kennedy Date: Tue Jul 7 19:26:03 2020 +0000 fbmem: add margin check to fb_check_caps() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17a21f32500000 start commit: f4d51dff Linux 5.9-rc4 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9 dashboard link: https://syzkaller.appspot.com/bug?extid=7ffc7214b893651d52b8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122d7335900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13cea1a5900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fbmem: add margin check to fb_check_caps() For information about bisection process see: https://goo.gl/tpsmEJ#bisection