From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Date: Fri, 19 Jun 2020 04:56:15 +0000 Subject: Re: BUG: unable to handle kernel paging request in sys_imageblit Message-Id: <000000000000792f4f05a868b670@google.com> List-Id: In-Reply-To: <0000000000001d3ff605995c23d6@google.com> References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com syzbot has found a reproducer for the following crash on: HEAD commit: 435faf5c Merge tag 'riscv-for-linus-5.8-mw0' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x68c725100000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb617b9c2a5bdf dashboard link: https://syzkaller.appspot.com/bug?extid3f89a9a6b6acd893b11 compiler: gcc (GCC) 9.0.0 20181231 (experimental) userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?xf3f485100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+33f89a9a6b6acd893b11@syzkaller.appspotmail.com BUG: unable to handle page fault for address: fffff520013df608 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffcd067 P4D 7ffcd067 PUD 2c920067 PMD 29858067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 8457 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_sys_imageblit+0x1c/0x180 drivers/gpu/drm/drm_fb_helper.c:747 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x8d0/0xd60 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x345/0x3f0 drivers/video/fbdev/core/fbcon.c:1362 do_update_region+0x398/0x630 drivers/tty/vt/vt.c:683 invert_screen+0x2a7/0x600 drivers/tty/vt/vt.c:800 highlight drivers/tty/vt/selection.c:57 [inline] clear_selection drivers/tty/vt/selection.c:84 [inline] clear_selection+0x55/0x70 drivers/tty/vt/selection.c:80 vc_do_resize+0xff3/0x1370 drivers/tty/vt/vt.c:1230 fbcon_do_set_font+0x4a0/0x950 drivers/video/fbdev/core/fbcon.c:2608 fbcon_set_font+0x732/0x870 drivers/video/fbdev/core/fbcon.c:2705 con_font_set drivers/tty/vt/vt.c:4571 [inline] con_font_op+0xd65/0x1160 drivers/tty/vt/vt.c:4636 compat_kdfontop_ioctl drivers/tty/vt/vt_ioctl.c:1151 [inline] vt_compat_ioctl+0x23a/0x6c0 drivers/tty/vt/vt_ioctl.c:1213 tty_compat_ioctl+0x19c/0x410 drivers/tty/tty_io.c:2847 __do_compat_sys_ioctl fs/ioctl.c:865 [inline] __se_compat_sys_ioctl fs/ioctl.c:816 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Modules linked in: CR2: fffff520013df608 ---[ end trace fbceb2e52f6d552c ]--- RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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 A5DF9C433E0 for ; Fri, 19 Jun 2020 06:58:34 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 86E0D20809 for ; Fri, 19 Jun 2020 06:58:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86E0D20809 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B5366EC19; Fri, 19 Jun 2020 06:58:25 +0000 (UTC) Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA45C6EC01 for ; Fri, 19 Jun 2020 04:56:15 +0000 (UTC) Received: by mail-io1-f69.google.com with SMTP id x2so5884013iof.0 for ; Thu, 18 Jun 2020 21:56:15 -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=kVV7AQIUbbYdGbVlGXkgoxxP+MlYua7sKpJCqtMOVU4=; b=Au5sTElMO/YY3P4CMNr9J/wVKXJQgNgKhCRHlEL+o/6iDqY+SAb5VLSu8KJFm+SBAp Uab0tTHXK00afShjTtSPn6jP6D+FxiU4hfOShJB0l4Sj7Hjm3bj+jI51jO9G1//SQe8+ fYCj7BfJtmYLDGHBBuh1d3mPZ4yfvmDHEZ567HtQq4Ji6cqZy+pKLM3vx5dFWHr0NIFs woVGBuFGj54jlhco4TLBtNM0PUsysW24hcX0F1ep/5NeR8nEuxQ8mnsMJ1ZGunua4Ail ulNLNQV+eVG9ogGE6mf2tjXMBNjn4CI8XuE4ijxMlhTEtjhGssBwH7BcSRYiW9Sb1z+f ChDQ== X-Gm-Message-State: AOAM530v8rMApGoLNntRq9BG50f2ihT6LpiS3M2vHD63+BQNnY/YigYy AjEOEdzTLv+EYOBOg0o8gMGH5xmluH+zlKaFHr0DM3nqV1Z0 X-Google-Smtp-Source: ABdhPJwdNZQyzkPUlSgTaQiywiDsztu4+RdFjl3U3aswkL4CZhfKr0IA6BTtV1XwM3rxXzkhoJ+yY9MmVKDBru/N5YVV3R1a/wEA MIME-Version: 1.0 X-Received: by 2002:a02:ab94:: with SMTP id t20mr2096716jan.13.1592542575012; Thu, 18 Jun 2020 21:56:15 -0700 (PDT) Date: Thu, 18 Jun 2020 21:56:15 -0700 In-Reply-To: <0000000000001d3ff605995c23d6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000792f4f05a868b670@google.com> Subject: Re: BUG: unable to handle kernel paging request in sys_imageblit From: syzbot To: b.zolnierkie@samsung.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com X-Mailman-Approved-At: Fri, 19 Jun 2020 06:58:10 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" syzbot has found a reproducer for the following crash on: HEAD commit: 435faf5c Merge tag 'riscv-for-linus-5.8-mw0' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1768c725100000 kernel config: https://syzkaller.appspot.com/x/.config?x=3dbb617b9c2a5bdf dashboard link: https://syzkaller.appspot.com/bug?extid=33f89a9a6b6acd893b11 compiler: gcc (GCC) 9.0.0 20181231 (experimental) userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f3f485100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+33f89a9a6b6acd893b11@syzkaller.appspotmail.com BUG: unable to handle page fault for address: fffff520013df608 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffcd067 P4D 7ffcd067 PUD 2c920067 PMD 29858067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 8457 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_sys_imageblit+0x1c/0x180 drivers/gpu/drm/drm_fb_helper.c:747 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x8d0/0xd60 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x345/0x3f0 drivers/video/fbdev/core/fbcon.c:1362 do_update_region+0x398/0x630 drivers/tty/vt/vt.c:683 invert_screen+0x2a7/0x600 drivers/tty/vt/vt.c:800 highlight drivers/tty/vt/selection.c:57 [inline] clear_selection drivers/tty/vt/selection.c:84 [inline] clear_selection+0x55/0x70 drivers/tty/vt/selection.c:80 vc_do_resize+0xff3/0x1370 drivers/tty/vt/vt.c:1230 fbcon_do_set_font+0x4a0/0x950 drivers/video/fbdev/core/fbcon.c:2608 fbcon_set_font+0x732/0x870 drivers/video/fbdev/core/fbcon.c:2705 con_font_set drivers/tty/vt/vt.c:4571 [inline] con_font_op+0xd65/0x1160 drivers/tty/vt/vt.c:4636 compat_kdfontop_ioctl drivers/tty/vt/vt_ioctl.c:1151 [inline] vt_compat_ioctl+0x23a/0x6c0 drivers/tty/vt/vt_ioctl.c:1213 tty_compat_ioctl+0x19c/0x410 drivers/tty/tty_io.c:2847 __do_compat_sys_ioctl fs/ioctl.c:865 [inline] __se_compat_sys_ioctl fs/ioctl.c:816 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Modules linked in: CR2: fffff520013df608 ---[ end trace fbceb2e52f6d552c ]--- RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel 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 autolearn=ham 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 DCF78C433E0 for ; Fri, 19 Jun 2020 04:56:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BE73820DD4 for ; Fri, 19 Jun 2020 04:56:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728291AbgFSE4R (ORCPT ); Fri, 19 Jun 2020 00:56:17 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:54977 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725788AbgFSE4Q (ORCPT ); Fri, 19 Jun 2020 00:56:16 -0400 Received: by mail-io1-f70.google.com with SMTP id t23so5855341iog.21 for ; Thu, 18 Jun 2020 21:56:15 -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=kVV7AQIUbbYdGbVlGXkgoxxP+MlYua7sKpJCqtMOVU4=; b=Fd1254y3ug3IxkQCyjGp6iXud4hewUKyyVB673DTKKTWlbd5FureOmeftFrkk6+o1f zGovpSQ//qsqqLWmHZcew7KfAmtf2/HOi9z7fkzmVQByaQJ3NR+O2z5MHGHpI6nrqVmi +I0TIyylB4s5cjhl5JnV5PtpqTYmkSwYuf5r7J4JgE8QxVpotJhef2yOBWpvKvw2KtZD 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Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: 435faf5c Merge tag 'riscv-for-linus-5.8-mw0' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1768c725100000 kernel config: https://syzkaller.appspot.com/x/.config?x=3dbb617b9c2a5bdf dashboard link: https://syzkaller.appspot.com/bug?extid=33f89a9a6b6acd893b11 compiler: gcc (GCC) 9.0.0 20181231 (experimental) userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f3f485100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+33f89a9a6b6acd893b11@syzkaller.appspotmail.com BUG: unable to handle page fault for address: fffff520013df608 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7ffcd067 P4D 7ffcd067 PUD 2c920067 PMD 29858067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 8457 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_fb_helper_sys_imageblit+0x1c/0x180 drivers/gpu/drm/drm_fb_helper.c:747 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x8d0/0xd60 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x345/0x3f0 drivers/video/fbdev/core/fbcon.c:1362 do_update_region+0x398/0x630 drivers/tty/vt/vt.c:683 invert_screen+0x2a7/0x600 drivers/tty/vt/vt.c:800 highlight drivers/tty/vt/selection.c:57 [inline] clear_selection drivers/tty/vt/selection.c:84 [inline] clear_selection+0x55/0x70 drivers/tty/vt/selection.c:80 vc_do_resize+0xff3/0x1370 drivers/tty/vt/vt.c:1230 fbcon_do_set_font+0x4a0/0x950 drivers/video/fbdev/core/fbcon.c:2608 fbcon_set_font+0x732/0x870 drivers/video/fbdev/core/fbcon.c:2705 con_font_set drivers/tty/vt/vt.c:4571 [inline] con_font_op+0xd65/0x1160 drivers/tty/vt/vt.c:4636 compat_kdfontop_ioctl drivers/tty/vt/vt_ioctl.c:1151 [inline] vt_compat_ioctl+0x23a/0x6c0 drivers/tty/vt/vt_ioctl.c:1213 tty_compat_ioctl+0x19c/0x410 drivers/tty/tty_io.c:2847 __do_compat_sys_ioctl fs/ioctl.c:865 [inline] __se_compat_sys_ioctl fs/ioctl.c:816 [inline] __ia32_compat_sys_ioctl+0x23d/0x2b0 fs/ioctl.c:816 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 Modules linked in: CR2: fffff520013df608 ---[ end trace fbceb2e52f6d552c ]--- RIP: 0010:fast_imageblit drivers/video/fbdev/core/sysimgblt.c:229 [inline] RIP: 0010:sys_imageblit+0x616/0x1240 drivers/video/fbdev/core/sysimgblt.c:275 Code: 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5c 0b 00 00 8b 44 24 20 4d 8d 77 04 4c 89 fa 48 c1 ea 03 23 07 <42> 0f b6 0c 2a 4c 89 fa 83 e2 07 33 44 24 14 83 c2 03 38 ca 7c 08 RSP: 0018:ffffc90001867578 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888023ac8402 RCX: ffffffff88786a40 RDX: 1ffff920013df608 RSI: ffffffff83c3bbbc RDI: ffffffff88786a40 RBP: 0000000000000fef R08: ffff888029cf8040 R09: 0000000000000001 R10: ffffffff8a8b743f R11: fffffbfff1516e87 R12: 0000000000000007 R13: dffffc0000000000 R14: ffffc90009efb044 R15: ffffc90009efb040 FS: 0000000000000000(0000) GS:ffff88802d000000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: fffff520013df608 CR3: 000000001b812000 CR4: 0000000000340ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400