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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B709C433EF for ; Sat, 14 May 2022 08:12:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230328AbiENIMQ (ORCPT ); Sat, 14 May 2022 04:12:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231440AbiENIMB (ORCPT ); Sat, 14 May 2022 04:12:01 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D31248E6F for ; Sat, 14 May 2022 01:08:21 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id j4-20020a92c204000000b002caad37af3fso6134567ilo.22 for ; Sat, 14 May 2022 01:08:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=J6JFQq6mil3YIkYftoI8kQRDl+RyVeEFs1MZE/tezIc=; b=XahMd8TP4bOBn3ozo5KXsZwe5AcSd09DFzKcRWlF1ptxxeZeyPv2SFMA2bPg6U6owW VUmKDZpwiGDO6FVPQQZh6+KkESVrPB69UbiM8s46YG1ei0GB7fVoAtOCLlJwx5IbUKU5 SZrU6z05gPyq/6/M8cXzSkWRxwytcoXpF3rvEgqQ4UOkkAgqXTqIkRowVUmvRLbXrDeR fuy58zmEkgLgJMAHNSVOM5cCGN50fbVO2NThwq3+1GZc9osDRNQ5yV3+oizPw0zIkTGU KE2tixfgU6zK124QZBf08+PZ/tPbla8RA4XwObZwUrkgxLBS/XVNEFF3/fG94fmOTXbn jwpQ== X-Gm-Message-State: AOAM530pjHcUydIg6WqxpsXBgbcWTzhdcmyWu24N296YIMdoIxK1E1xy 9bQV/TMtXwB0LQWyk9yoTXreCKCMRl5wF+V1VxlfBq8RtI15 X-Google-Smtp-Source: ABdhPJxkRk3DcDw0kS90ilV3lM0tf8iFU+RgXJK622aFFqugfyLpp2tucwJV2xxNGIMCsG7ewb55/L3WB71gQtNWzEYFPCNG4y+C MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1485:b0:2cd:fa3d:72b9 with SMTP id n5-20020a056e02148500b002cdfa3d72b9mr4451373ilk.247.1652515700692; Sat, 14 May 2022 01:08:20 -0700 (PDT) Date: Sat, 14 May 2022 01:08:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000053626005def44bec@google.com> Subject: [syzbot] WARNING in drm_atomic_helper_wait_for_vblanks (2) From: syzbot To: airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, syzkaller-bugs@googlegroups.com, tzimmermann@suse.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 9be9ed2612b5 Merge tag 'platform-drivers-x86-v5.18-4' of g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12dc2e49f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6ab029f8aaef5349 dashboard link: https://syzkaller.appspot.com/bug?extid=f95421e61338eb84132a compiler: arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f95421e61338eb84132a@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11618 at drivers/gpu/drm/drm_atomic_helper.c:1529 drm_atomic_helper_wait_for_vblanks.part.0+0x2ac/0x2b8 drivers/gpu/drm/drm_atomic_helper.c:1529 [CRTC:33:crtc-0] vblank wait timed out Modules linked in: Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11618 Comm: syz-executor.0 Not tainted 5.18.0-rc6-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<816dadf0>] (dump_backtrace) from [<816db120>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:253) r7:81d665f4 r6:82222b64 r5:60000093 r4:81d73dd4 [<816db108>] (show_stack) from [<816e3a20>] (__dump_stack lib/dump_stack.c:88 [inline]) [<816db108>] (show_stack) from [<816e3a20>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<816e39d8>] (dump_stack_lvl) from [<816e3a44>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:82442d14 [<816e3a2c>] (dump_stack) from [<816dbcbc>] (panic+0x11c/0x360 kernel/panic.c:250) [<816dbba0>] (panic) from [<80242928>] (__warn+0x98/0x198 kernel/panic.c:599) r3:00000001 r2:00000000 r1:00000000 r0:81d665f4 r7:80913100 [<80242890>] (__warn) from [<816dbf9c>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:629) r8:00000009 r7:80913100 r6:000005f9 r5:81dd6170 r4:81dd677c [<816dbf04>] (warn_slowpath_fmt) from [<80913100>] (drm_atomic_helper_wait_for_vblanks.part.0+0x2ac/0x2b8 drivers/gpu/drm/drm_atomic_helper.c:1529) r8:0000649a r7:00000000 r6:82a1d000 r5:829e0050 r4:00000000 [<80912e54>] (drm_atomic_helper_wait_for_vblanks.part.0) from [<80914620>] (drm_atomic_helper_wait_for_vblanks drivers/gpu/drm/drm_atomic_helper.c:1505 [inline]) [<80912e54>] (drm_atomic_helper_wait_for_vblanks.part.0) from [<80914620>] (drm_atomic_helper_commit_tail+0x84/0x94 drivers/gpu/drm/drm_atomic_helper.c:1605) r10:8425185c r9:83f0e800 r8:00000000 r7:00000136 r6:739d46c0 r5:83f0e800 r4:82a1d000 [<8091459c>] (drm_atomic_helper_commit_tail) from [<80915170>] (commit_tail+0x164/0x18c drivers/gpu/drm/drm_atomic_helper.c:1682) r5:00000000 r4:82a1d000 [<8091500c>] (commit_tail) from [<80915d3c>] (drm_atomic_helper_commit drivers/gpu/drm/drm_atomic_helper.c:1900 [inline]) [<8091500c>] (commit_tail) from [<80915d3c>] (drm_atomic_helper_commit+0x14c/0x170 drivers/gpu/drm/drm_atomic_helper.c:1833) r9:83f0e800 r8:82a1d02c r7:00000000 r6:83f0e800 r5:00000000 r4:82a1d000 [<80915bf0>] (drm_atomic_helper_commit) from [<80934bb4>] (drm_atomic_commit+0x58/0x5c drivers/gpu/drm/drm_atomic.c:1434) r9:83f0e800 r8:829e0340 r7:00000001 r6:00000001 r5:83f0e800 r4:82a1d000 [<80934b5c>] (drm_atomic_commit) from [<8094c7bc>] (drm_client_modeset_commit_atomic+0x200/0x248 drivers/gpu/drm/drm_client_modeset.c:1044) r5:83f0e9ac r4:82a1d000 [<8094c5bc>] (drm_client_modeset_commit_atomic) from [<8094c8dc>] (drm_client_modeset_commit_locked+0x64/0x18c drivers/gpu/drm/drm_client_modeset.c:1147) r10:5ac3c35a r9:83f0e894 r8:81ddde34 r7:8417ea18 r6:8417ea00 r5:83f0e800 r4:83f0e800 [<8094c878>] (drm_client_modeset_commit_locked) from [<8094ca30>] (drm_client_modeset_commit+0x2c/0x48 drivers/gpu/drm/drm_client_modeset.c:1173) r9:83f0e894 r8:81ddde34 r7:8417eab4 r6:00000000 r5:83f0e800 r4:8417ea00 [<8094ca04>] (drm_client_modeset_commit) from [<8091db08>] (__drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:252 [inline]) [<8094ca04>] (drm_client_modeset_commit) from [<8091db08>] (__drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:231 [inline]) [<8094ca04>] (drm_client_modeset_commit) from [<8091db08>] (drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:279 [inline]) [<8094ca04>] (drm_client_modeset_commit) from [<8091db08>] (drm_fb_helper_lastclose drivers/gpu/drm/drm_fb_helper.c:2035 [inline]) [<8094ca04>] (drm_client_modeset_commit) from [<8091db08>] (drm_fbdev_client_restore+0x5c/0x98 drivers/gpu/drm/drm_fb_helper.c:2445) r5:82349ecc r4:8417ea00 [<8091daac>] (drm_fbdev_client_restore) from [<8094c210>] (drm_client_dev_restore+0x7c/0xc8 drivers/gpu/drm/drm_client.c:226) r7:83f0e8a8 r6:83f0e800 r5:83f0e86c r4:8417ea00 [<8094c194>] (drm_client_dev_restore) from [<8091fd30>] (drm_lastclose drivers/gpu/drm/drm_file.c:467 [inline]) [<8094c194>] (drm_client_dev_restore) from [<8091fd30>] (drm_release+0x130/0x150 drivers/gpu/drm/drm_file.c:498) r9:7efffd08 r8:8429a010 r7:8424d6c0 r6:850e0cc0 r5:83f0e86c r4:83f0e800 [<8091fc00>] (drm_release) from [<80492948>] (__fput+0x84/0x258 fs/file_table.c:317) r7:82c14440 r6:82969008 r5:000a201d r4:850e0cc0 [<804928c4>] (__fput) from [<80492b98>] (____fput+0x10/0x14 fs/file_table.c:350) r9:7efffd08 r8:841c0854 r7:824435dc r6:841c0000 r5:841c0824 r4:00000000 [<80492b88>] (____fput) from [<80267280>] (task_work_run+0x8c/0xb8 kernel/task_work.c:164) [<802671f4>] (task_work_run) from [<8020c030>] (resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]) [<802671f4>] (task_work_run) from [<8020c030>] (do_work_pending+0x430/0x51c arch/arm/kernel/signal.c:630) r9:7efffd08 r8:802002a4 r7:fffffe30 r6:802002a4 r5:ea685fb0 r4:841c0000 [<8020bc00>] (do_work_pending) from [<80200088>] (slow_work_pending+0xc/0x20) Exception stack(0xea685fb0 to 0xea685ff8) 5fa0: 00000000 00000002 00000000 00000003 5fc0: 00000004 023d04c0 0012bf9c 00000006 00000000 0012bf90 001369f8 00000000 5fe0: 2f260000 7ed95348 000293ac 00029868 80000010 00000003 r10:00000006 r9:841c0000 r8:802002a4 r7:00000006 r6:0012bf9c r5:023d04c0 r4:00000004 SMP: failed to stop secondary CPUs Rebooting in 86400 seconds.. --- This report is generated by a bot. 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