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 94092C433EF for ; Fri, 20 May 2022 05:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345587AbiETFYT (ORCPT ); Fri, 20 May 2022 01:24:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345567AbiETFYN (ORCPT ); Fri, 20 May 2022 01:24:13 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97D1014AF74 for ; Thu, 19 May 2022 22:24:12 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id nr2-20020a17090b240200b001df2b1bfc40so10523807pjb.5 for ; Thu, 19 May 2022 22:24:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pernos.co; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ugR0diJyK9tyJS/g6851PslJmHEat2mXN1zC2extgo4=; b=LGNkWIjJcigvMa3VriU6XF8R3RykYP3qK/iTGBwESiA802CoenEuBBG+Y/h+WaLtvX dKWVHhaYx4cGD+RP6oobuCLYaQMsogtMd1fOrpL1irJtp4nq+EugoK8ac2cI88jAZw5O BSiCI1FZBkRQevVJ5J1NhMccZfC0EheXeKUY8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ugR0diJyK9tyJS/g6851PslJmHEat2mXN1zC2extgo4=; b=QncVJ858ZJ0nR7ghW8TBQJfcu0l0FJFboXxPE2tqdAfRIs7N4h4k3ZroDqhiSRB6gC 79QDJy7N0c970rIg+kEmHOVevIznfo1tN3Mtp5t+pLnhTVL7zMHdjeGy38mMCnpIllRL igc3csFQSRoYyjaU1sm6yFmHVHtZqGAn+60iTnFEMrc92lcjwqmgYXfy+xxdthU0+06c U2zTcgZXDyEIoniZ/lVkEki4ZaqVPpQiG6zDFESAI3dpzY+o9Z+EGc69ZVdfUhk3pkUK hvzHRCAOzElblqJOfKtHVbb5Wrg99ROkTpaE267Gk2UcWibWalWr2yBA2Mv5FmDmT2Qf ChHA== X-Gm-Message-State: AOAM531IzEKdokm2GgINn72BE3jCnaKNQtdi14tlGAYuHp6Ty9X9lPfC sIeq8zCw1PBvHVY+patcsQqCIyYajAOJolwdMWuLOQ== X-Google-Smtp-Source: ABdhPJweQLRt0zQYOkMLmENDxsjQRrDWuz6sx2VP4M/s/7GGjhpww45oRGtvs6MOfvUJ9JibGnhOfUlcwT5Ret4dCKw= X-Received: by 2002:a17:90b:384d:b0:1df:f014:54e1 with SMTP id nl13-20020a17090b384d00b001dff01454e1mr3543295pjb.107.1653024252060; Thu, 19 May 2022 22:24:12 -0700 (PDT) MIME-Version: 1.0 References: <20220421150248.667412396@infradead.org> <20220421150654.817117821@infradead.org> <87czhap9dy.fsf@email.froward.int.ebiederm.org> <878rrrh32q.fsf_-_@email.froward.int.ebiederm.org> <87k0b7v9yk.fsf_-_@email.froward.int.ebiederm.org> <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> <871qwq5ucx.fsf_-_@email.froward.int.ebiederm.org> <8735h54cur.fsf@email.froward.int.ebiederm.org> In-Reply-To: <8735h54cur.fsf@email.froward.int.ebiederm.org> From: Kyle Huey Date: Thu, 19 May 2022 22:24:00 -0700 Message-ID: Subject: Re: [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock To: "Eric W. Biederman" Cc: Sebastian Andrzej Siewior , LKML , rjw@rjwysocki.net, oleg@redhat.com, mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Jann Horn , Kees Cook , linux-ia64@vger.kernel.org, "Robert O'Callahan" , Richard Henderson , Ivan Kokshaysky , Matt Turner , Jason Wessel , Daniel Thompson , Douglas Anderson , Douglas Miller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 19, 2022 at 11:05 AM Eric W. Biederman wrote: > > Sebastian Andrzej Siewior writes: > > > On 2022-05-18 20:26:05 [-0700], Kyle Huey wrote: > >> Is there a git branch somewhere I can pull to test this? It doesn't apply > >> cleanly to Linus's tip. > > > > https://kernel.googlesource.com/pub/scm/linux/kernel/git/ebiederm/user-namespace.git ptrace_stop-cleanup-for-v5.19 > > Yes that is the branch this all applies to. > > This is my second round of cleanups this cycle for this code. > I just keep finding little things that deserve to be changed, > when I am working on the more substantial issues. > > Eric When running the rr test suite, I see hangs like this [ 812.151505] watchdog: BUG: soft lockup - CPU#3 stuck for 548s! [condvar_stress-:12152] [ 812.151529] Modules linked in: snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio rfcomm cmac algif_hash algif_skcipher af_alg bnep dm_crypt intel_rapl_msr mei_hdcp snd_hda_codec_ hdmi intel_rapl_common snd_hda_intel x86_pkg_temp_thermal snd_intel_dspcfg snd_intel_sdw_acpi nls_iso8859_1 intel_powerclamp snd_hda_codec coretemp snd_hda_core snd_hwdep snd_pcm rtl8723be btcoexist snd_seq_midi snd_seq_midi_event rtl8723_common kvm_intel rtl_pci snd_rawmidi rtlwifi btusb btrtl btbcm snd_seq kvm mac80211 btintel btmtk snd_seq_device rapl bluetooth snd_timer i ntel_cstate hp_wmi cfg80211 serio_raw snd platform_profile ecdh_generic mei_me sparse_keymap efi_pstore wmi_bmof ee1004 joydev input_leds ecc libarc4 soundcore mei acpi_pad mac_hid sch_fq_c odel ipmi_devintf ipmi_msghandler msr vhost_vsock vmw_vsock_virtio_transport_common vsock vhost_net vhost vhost_iotlb tap vhci_hcd usbip_core parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq zstd_compress [ 812.151570] libcrc32c hid_generic usbhid hid i915 drm_buddy i2c_algo_bit ttm drm_dp_helper cec rc_core crct10dif_pclmul drm_kms_helper crc32_pclmul syscopyarea ghash_clmulni_intel sysfi llrect sysimgblt fb_sys_fops aesni_intel crypto_simd cryptd r8169 psmouse drm i2c_i801 realtek ahci i2c_smbus xhci_pci libahci xhci_pci_renesas wmi video [ 812.151584] CPU: 3 PID: 12152 Comm: condvar_stress- Tainted: G I L 5.18.0-rc1+ #2 [ 812.151586] Hardware name: HP 750-280st/2B4B, BIOS A0.11 02/24/2016 [ 812.151587] RIP: 0010:_raw_spin_unlock_irq+0x15/0x40 [ 812.151591] Code: df e8 3f 1f 4a ff 90 5b 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 0f 1f 00 fb 0f 1f 44 00 00 01 00 00 00 e8 41 95 46 ff 65 8b 05 9 a c1 9a 5f 85 c0 74 02 5d [ 812.151593] RSP: 0018:ffffa863c246bd70 EFLAGS: 00000246 [ 812.151594] RAX: ffff8bc0913f6400 RBX: ffff8bc0913f6400 RCX: 0000000000000000 [ 812.151595] RDX: 0000000000000002 RSI: 00000000000a0013 RDI: ffff8bc089b63180 [ 812.151596] RBP: ffffa863c246bd70 R08: ffff8bc0811d6b40 R09: ffff8bc089b63180 [ 812.151597] R10: 0000000000000000 R11: 0000000000000004 R12: ffff8bc0913f6400 [ 812.151597] R13: ffff8bc089b63180 R14: ffff8bc0913f6400 R15: ffffa863c246be68 [ 812.151598] FS: 00007f612dda5700(0000) GS:ffff8bc7e24c0000(0000) knlGS:0000000000000000 [ 812.151599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 812.151600] CR2: 000055e70715692e CR3: 000000010b4e8005 CR4: 00000000003706e4 [ 812.151601] Call Trace: [ 812.151602] [ 812.151604] do_signal_stop+0x228/0x260 [ 812.151606] get_signal+0x43a/0x8e0 [ 812.151608] arch_do_signal_or_restart+0x37/0x7d0 [ 812.151610] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151612] ? __perf_event_task_sched_in+0x81/0x230 [ 812.151616] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151617] exit_to_user_mode_prepare+0x130/0x1a0 [ 812.151620] syscall_exit_to_user_mode+0x26/0x40 [ 812.151621] ret_from_fork+0x15/0x30 [ 812.151623] RIP: 0033:0x7f612dfcd125 [ 812.151625] Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d 0 48 89 c7 b8 3c 00 00 00 [ 812.151626] RSP: 002b:00007f612dda4fb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 812.151628] RAX: 0000000000000000 RBX: 00007f612dda5700 RCX: ffffffffffffffff [ 812.151628] RDX: 00007f612dda59d0 RSI: 00007f612dda4fb0 RDI: 00000000003d0f00 [ 812.151629] RBP: 00007ffd59ad20b0 R08: 00007f612dda5700 R09: 00007f612dda5700 [ 812.151630] R10: 00007f612dda59d0 R11: 0000000000000246 R12: 00007ffd59ad20ae [ 812.151631] R13: 00007ffd59ad20af R14: 00007ffd59ad20b0 R15: 00007f612dda4fc0 [ 812.151632] - Kyle From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrv7Z-00AauZ-Bi for linux-um@lists.infradead.org; Fri, 20 May 2022 05:24:19 +0000 Received: by mail-pj1-x102d.google.com with SMTP id oe17-20020a17090b395100b001df77d29587so10547038pjb.2 for ; Thu, 19 May 2022 22:24:12 -0700 (PDT) MIME-Version: 1.0 References: <20220421150248.667412396@infradead.org> <20220421150654.817117821@infradead.org> <87czhap9dy.fsf@email.froward.int.ebiederm.org> <878rrrh32q.fsf_-_@email.froward.int.ebiederm.org> <87k0b7v9yk.fsf_-_@email.froward.int.ebiederm.org> <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> <871qwq5ucx.fsf_-_@email.froward.int.ebiederm.org> <8735h54cur.fsf@email.froward.int.ebiederm.org> In-Reply-To: <8735h54cur.fsf@email.froward.int.ebiederm.org> From: Kyle Huey Date: Thu, 19 May 2022 22:24:00 -0700 Message-ID: Subject: Re: [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: "Eric W. Biederman" Cc: Sebastian Andrzej Siewior , LKML , rjw@rjwysocki.net, oleg@redhat.com, mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Jann Horn , Kees Cook , linux-ia64@vger.kernel.org, Robert O'Callahan , Richard Henderson , Ivan Kokshaysky , Matt Turner , Jason Wessel , Daniel Thompson , Douglas Anderson , Douglas Miller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras On Thu, May 19, 2022 at 11:05 AM Eric W. Biederman wrote: > > Sebastian Andrzej Siewior writes: > > > On 2022-05-18 20:26:05 [-0700], Kyle Huey wrote: > >> Is there a git branch somewhere I can pull to test this? It doesn't apply > >> cleanly to Linus's tip. > > > > https://kernel.googlesource.com/pub/scm/linux/kernel/git/ebiederm/user-namespace.git ptrace_stop-cleanup-for-v5.19 > > Yes that is the branch this all applies to. > > This is my second round of cleanups this cycle for this code. > I just keep finding little things that deserve to be changed, > when I am working on the more substantial issues. > > Eric When running the rr test suite, I see hangs like this [ 812.151505] watchdog: BUG: soft lockup - CPU#3 stuck for 548s! [condvar_stress-:12152] [ 812.151529] Modules linked in: snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio rfcomm cmac algif_hash algif_skcipher af_alg bnep dm_crypt intel_rapl_msr mei_hdcp snd_hda_codec_ hdmi intel_rapl_common snd_hda_intel x86_pkg_temp_thermal snd_intel_dspcfg snd_intel_sdw_acpi nls_iso8859_1 intel_powerclamp snd_hda_codec coretemp snd_hda_core snd_hwdep snd_pcm rtl8723be btcoexist snd_seq_midi snd_seq_midi_event rtl8723_common kvm_intel rtl_pci snd_rawmidi rtlwifi btusb btrtl btbcm snd_seq kvm mac80211 btintel btmtk snd_seq_device rapl bluetooth snd_timer i ntel_cstate hp_wmi cfg80211 serio_raw snd platform_profile ecdh_generic mei_me sparse_keymap efi_pstore wmi_bmof ee1004 joydev input_leds ecc libarc4 soundcore mei acpi_pad mac_hid sch_fq_c odel ipmi_devintf ipmi_msghandler msr vhost_vsock vmw_vsock_virtio_transport_common vsock vhost_net vhost vhost_iotlb tap vhci_hcd usbip_core parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq zstd_compress [ 812.151570] libcrc32c hid_generic usbhid hid i915 drm_buddy i2c_algo_bit ttm drm_dp_helper cec rc_core crct10dif_pclmul drm_kms_helper crc32_pclmul syscopyarea ghash_clmulni_intel sysfi llrect sysimgblt fb_sys_fops aesni_intel crypto_simd cryptd r8169 psmouse drm i2c_i801 realtek ahci i2c_smbus xhci_pci libahci xhci_pci_renesas wmi video [ 812.151584] CPU: 3 PID: 12152 Comm: condvar_stress- Tainted: G I L 5.18.0-rc1+ #2 [ 812.151586] Hardware name: HP 750-280st/2B4B, BIOS A0.11 02/24/2016 [ 812.151587] RIP: 0010:_raw_spin_unlock_irq+0x15/0x40 [ 812.151591] Code: df e8 3f 1f 4a ff 90 5b 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 0f 1f 00 fb 0f 1f 44 00 00 01 00 00 00 e8 41 95 46 ff 65 8b 05 9 a c1 9a 5f 85 c0 74 02 5d [ 812.151593] RSP: 0018:ffffa863c246bd70 EFLAGS: 00000246 [ 812.151594] RAX: ffff8bc0913f6400 RBX: ffff8bc0913f6400 RCX: 0000000000000000 [ 812.151595] RDX: 0000000000000002 RSI: 00000000000a0013 RDI: ffff8bc089b63180 [ 812.151596] RBP: ffffa863c246bd70 R08: ffff8bc0811d6b40 R09: ffff8bc089b63180 [ 812.151597] R10: 0000000000000000 R11: 0000000000000004 R12: ffff8bc0913f6400 [ 812.151597] R13: ffff8bc089b63180 R14: ffff8bc0913f6400 R15: ffffa863c246be68 [ 812.151598] FS: 00007f612dda5700(0000) GS:ffff8bc7e24c0000(0000) knlGS:0000000000000000 [ 812.151599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 812.151600] CR2: 000055e70715692e CR3: 000000010b4e8005 CR4: 00000000003706e4 [ 812.151601] Call Trace: [ 812.151602] [ 812.151604] do_signal_stop+0x228/0x260 [ 812.151606] get_signal+0x43a/0x8e0 [ 812.151608] arch_do_signal_or_restart+0x37/0x7d0 [ 812.151610] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151612] ? __perf_event_task_sched_in+0x81/0x230 [ 812.151616] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151617] exit_to_user_mode_prepare+0x130/0x1a0 [ 812.151620] syscall_exit_to_user_mode+0x26/0x40 [ 812.151621] ret_from_fork+0x15/0x30 [ 812.151623] RIP: 0033:0x7f612dfcd125 [ 812.151625] Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d 0 48 89 c7 b8 3c 00 00 00 [ 812.151626] RSP: 002b:00007f612dda4fb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 812.151628] RAX: 0000000000000000 RBX: 00007f612dda5700 RCX: ffffffffffffffff [ 812.151628] RDX: 00007f612dda59d0 RSI: 00007f612dda4fb0 RDI: 00000000003d0f00 [ 812.151629] RBP: 00007ffd59ad20b0 R08: 00007f612dda5700 R09: 00007f612dda5700 [ 812.151630] R10: 00007f612dda59d0 R11: 0000000000000246 R12: 00007ffd59ad20ae [ 812.151631] R13: 00007ffd59ad20af R14: 00007ffd59ad20b0 R15: 00007f612dda4fc0 [ 812.151632] - Kyle _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kyle Huey Date: Fri, 20 May 2022 05:24:00 +0000 Subject: Re: [PATCH 00/16] ptrace: cleanups and calling do_cldstop with only siglock Message-Id: List-Id: References: <20220421150248.667412396@infradead.org> <20220421150654.817117821@infradead.org> <87czhap9dy.fsf@email.froward.int.ebiederm.org> <878rrrh32q.fsf_-_@email.froward.int.ebiederm.org> <87k0b7v9yk.fsf_-_@email.froward.int.ebiederm.org> <87k0b0apne.fsf_-_@email.froward.int.ebiederm.org> <87a6bv6dl6.fsf_-_@email.froward.int.ebiederm.org> <871qwq5ucx.fsf_-_@email.froward.int.ebiederm.org> <8735h54cur.fsf@email.froward.int.ebiederm.org> In-Reply-To: <8735h54cur.fsf@email.froward.int.ebiederm.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Eric W. Biederman" Cc: Sebastian Andrzej Siewior , LKML , rjw@rjwysocki.net, oleg@redhat.com, mingo@kernel.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, mgorman@suse.de, Will Deacon , tj@kernel.org, linux-pm@vger.kernel.org, Peter Zijlstra , Richard Weinberger , Anton Ivanov , Johannes Berg , linux-um@lists.infradead.org, Chris Zankel , Max Filippov , linux-xtensa@linux-xtensa.org, Jann Horn , Kees Cook , linux-ia64@vger.kernel.org, Robert O'Callahan , Richard Henderson , Ivan Kokshaysky , Matt Turner , Jason Wessel , Daniel Thompson , Douglas Anderson , Douglas Miller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras On Thu, May 19, 2022 at 11:05 AM Eric W. Biederman wrote: > > Sebastian Andrzej Siewior writes: > > > On 2022-05-18 20:26:05 [-0700], Kyle Huey wrote: > >> Is there a git branch somewhere I can pull to test this? It doesn't apply > >> cleanly to Linus's tip. > > > > https://kernel.googlesource.com/pub/scm/linux/kernel/git/ebiederm/user-namespace.git ptrace_stop-cleanup-for-v5.19 > > Yes that is the branch this all applies to. > > This is my second round of cleanups this cycle for this code. > I just keep finding little things that deserve to be changed, > when I am working on the more substantial issues. > > Eric When running the rr test suite, I see hangs like this [ 812.151505] watchdog: BUG: soft lockup - CPU#3 stuck for 548s! [condvar_stress-:12152] [ 812.151529] Modules linked in: snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio rfcomm cmac algif_hash algif_skcipher af_alg bnep dm_crypt intel_rapl_msr mei_hdcp snd_hda_codec_ hdmi intel_rapl_common snd_hda_intel x86_pkg_temp_thermal snd_intel_dspcfg snd_intel_sdw_acpi nls_iso8859_1 intel_powerclamp snd_hda_codec coretemp snd_hda_core snd_hwdep snd_pcm rtl8723be btcoexist snd_seq_midi snd_seq_midi_event rtl8723_common kvm_intel rtl_pci snd_rawmidi rtlwifi btusb btrtl btbcm snd_seq kvm mac80211 btintel btmtk snd_seq_device rapl bluetooth snd_timer i ntel_cstate hp_wmi cfg80211 serio_raw snd platform_profile ecdh_generic mei_me sparse_keymap efi_pstore wmi_bmof ee1004 joydev input_leds ecc libarc4 soundcore mei acpi_pad mac_hid sch_fq_c odel ipmi_devintf ipmi_msghandler msr vhost_vsock vmw_vsock_virtio_transport_common vsock vhost_net vhost vhost_iotlb tap vhci_hcd usbip_core parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq zstd_compress [ 812.151570] libcrc32c hid_generic usbhid hid i915 drm_buddy i2c_algo_bit ttm drm_dp_helper cec rc_core crct10dif_pclmul drm_kms_helper crc32_pclmul syscopyarea ghash_clmulni_intel sysfi llrect sysimgblt fb_sys_fops aesni_intel crypto_simd cryptd r8169 psmouse drm i2c_i801 realtek ahci i2c_smbus xhci_pci libahci xhci_pci_renesas wmi video [ 812.151584] CPU: 3 PID: 12152 Comm: condvar_stress- Tainted: G I L 5.18.0-rc1+ #2 [ 812.151586] Hardware name: HP 750-280st/2B4B, BIOS A0.11 02/24/2016 [ 812.151587] RIP: 0010:_raw_spin_unlock_irq+0x15/0x40 [ 812.151591] Code: df e8 3f 1f 4a ff 90 5b 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 0f 1f 00 fb 0f 1f 44 00 00 01 00 00 00 e8 41 95 46 ff 65 8b 05 9 a c1 9a 5f 85 c0 74 02 5d [ 812.151593] RSP: 0018:ffffa863c246bd70 EFLAGS: 00000246 [ 812.151594] RAX: ffff8bc0913f6400 RBX: ffff8bc0913f6400 RCX: 0000000000000000 [ 812.151595] RDX: 0000000000000002 RSI: 00000000000a0013 RDI: ffff8bc089b63180 [ 812.151596] RBP: ffffa863c246bd70 R08: ffff8bc0811d6b40 R09: ffff8bc089b63180 [ 812.151597] R10: 0000000000000000 R11: 0000000000000004 R12: ffff8bc0913f6400 [ 812.151597] R13: ffff8bc089b63180 R14: ffff8bc0913f6400 R15: ffffa863c246be68 [ 812.151598] FS: 00007f612dda5700(0000) GS:ffff8bc7e24c0000(0000) knlGS:0000000000000000 [ 812.151599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 812.151600] CR2: 000055e70715692e CR3: 000000010b4e8005 CR4: 00000000003706e4 [ 812.151601] Call Trace: [ 812.151602] [ 812.151604] do_signal_stop+0x228/0x260 [ 812.151606] get_signal+0x43a/0x8e0 [ 812.151608] arch_do_signal_or_restart+0x37/0x7d0 [ 812.151610] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151612] ? __perf_event_task_sched_in+0x81/0x230 [ 812.151616] ? __this_cpu_preempt_check+0x13/0x20 [ 812.151617] exit_to_user_mode_prepare+0x130/0x1a0 [ 812.151620] syscall_exit_to_user_mode+0x26/0x40 [ 812.151621] ret_from_fork+0x15/0x30 [ 812.151623] RIP: 0033:0x7f612dfcd125 [ 812.151625] Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d 0 48 89 c7 b8 3c 00 00 00 [ 812.151626] RSP: 002b:00007f612dda4fb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 812.151628] RAX: 0000000000000000 RBX: 00007f612dda5700 RCX: ffffffffffffffff [ 812.151628] RDX: 00007f612dda59d0 RSI: 00007f612dda4fb0 RDI: 00000000003d0f00 [ 812.151629] RBP: 00007ffd59ad20b0 R08: 00007f612dda5700 R09: 00007f612dda5700 [ 812.151630] R10: 00007f612dda59d0 R11: 0000000000000246 R12: 00007ffd59ad20ae [ 812.151631] R13: 00007ffd59ad20af R14: 00007ffd59ad20b0 R15: 00007f612dda4fc0 [ 812.151632] - Kyle