From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB7A3A55 for ; Thu, 27 Mar 2025 19:19:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743103190; cv=none; b=OOTQEwu47uwO5yKTr1DNDoMxY8lMFR+lJqxD7Fit+BSX7LQ9kVAT1LeCyLNbmONbcuOIW1vZts5aPra0s/kik9CsdYSNw7pJmoSgv3QBF70auX4rgDyL+kMKKzXbdftUX2wVpc3ziVsyVkwQnYHDRbPiNVCD/H+68Id45GrgVUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743103190; c=relaxed/simple; bh=xSJC7NE5dhe+djfu8MQAVula0O7UgKrN7fIsghtAq08=; h=Date:From:To:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=dPf90RmgHXXlNyFnTqi+8ifOkiDGEwK1CHsjnvwX+MY9m6Xe8HIdjgqi+ZRwQ6bjjoCkQeK2oK0zqujOU1UDvvE9xC2tq+DRtZbalua4mlDf8CzWU0Br5D0pjjV6Yh9EUgQGOA0xErsGBzYyD5fHr/Mk6kXsgHNhI7RfVBUAZdw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=C9xbwbtv; arc=none smtp.client-ip=209.85.221.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="C9xbwbtv" Received: by mail-wr1-f52.google.com with SMTP id ffacd0b85a97d-38a25d4b9d4so734724f8f.0 for ; Thu, 27 Mar 2025 12:19:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1743103187; x=1743707987; darn=lists.linux.dev; h=content-disposition:mime-version:message-id:subject:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=fC+ON84pbmaEiijG4EesLfUkCJCg1TONLIcdty6Zbo4=; b=C9xbwbtvcLZfMfq+lmvjbNAWlkNT1YKCQZ5xqhaobHHXoQrOC7hd2P3ZpGvrnK7A/k EVbQka5N+AsYRFdPlrzE4jLpSW9If3cSaljqKyU0z80AXHkUAmeKbPetKiJnErhR4F5K Aw5nyv9aURyv3X+Q5Y86B9xOEzZ7UzW5dvdEG9+QrUr9uF+k6RErjyZyrGa0Z8N5WCof KBajArHXXXya+zyVmMqleLxNaXH9U6f9YAEd/r6v15O/t/JTth2KnAVE5cbdQpOtIzkc v2RHauhcP5OSSek+SeRYGwnZSCwaaK7JqKnnE6eoYuA93dWbWkfqhTk83haDHYeGjVV7 LNQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743103187; x=1743707987; h=content-disposition:mime-version:message-id:subject:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fC+ON84pbmaEiijG4EesLfUkCJCg1TONLIcdty6Zbo4=; b=FKODCZqBVbfpX6V+sqwC22IqliWZxm0CqHr6uXSGujdpDxtjuBe6399qTGLwDgzFeq HQ/dXGZCY3QLRA8hZ7wKOQMU0J2LYf1TSNZqPqHe2bzvY8+J8q6jN2F1K71JJw4J/YhH HTukwHO3xHgE/DgdSxuoOSWBd9ocCXIixSWkRZimS84qOi4nWoM5gZ/yjJtL92uZpEb7 oh9BJ5pLBf2P1wgqIRE+KCD8VnNWcqMHkxmGT+ck8dLIOO47CqY2DfvFtVhUd0KG8zAY 0OYu5DaEs3d/INGNLPZfyyOqiu9MkvRVUjG7IlB/UM2c4HrNQYa0t1rGYkmmX+ptL1pR ouzg== X-Gm-Message-State: AOJu0YzX30/mdLloqTIkm4TNJMv2XNhkGewhbzlURxmPFYftSv9TxIxV Uke5cQZfBNDL5uZ4UcYbqoyjBmoLKB9IPLRwAR9iKE6Nwx0pjDzNO+w43g== X-Gm-Gg: ASbGnctbNRd8+GazqsBX6XQwYvkVNYoKFCYK6Ba1Tt0XEXLWGJB9VEWaeXWtd728Bc1 yrPmsHjCc1s0ki/a2FXoQiHK9LLm0SJlQOLixpcC6YKduKcgOZ+Ya/NJU9/xK08mETqduYyHBbS mnkGY0HbAZQU+0YCTynWxpy75zKHcYwpiydz/rmAjTlvgRZx5Yn9FXO/AkPy6FY8VrAbc2v3TJB eE24Knjt9/gch5BtHsM/+ZMqsyYrm9x940PfW8FMTTk/6Wes+1FseXYPvNWeufe6UJ44XGC8SeT TKU05tbW+Xz8SfQ509VzLon+GIA8b/zPfAHYgIh94cTChgfUOuUIv6CP X-Google-Smtp-Source: AGHT+IE0YRzKoKJ+nJ2DEvPcKdz5HHbn0+yhV4zVfv6QF/QhHtCOpi/6zyve8Nl5vW6kdk+bXY89ZA== X-Received: by 2002:a5d:5847:0:b0:391:3915:cfea with SMTP id ffacd0b85a97d-39ad176bb18mr5654108f8f.38.1743103186742; Thu, 27 Mar 2025 12:19:46 -0700 (PDT) Received: from debian.local ([2a0a:ef40:4d4:f101:e41a:977a:f788:910f]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39c0b65b985sm366139f8f.12.2025.03.27.12.19.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Mar 2025 12:19:46 -0700 (PDT) Date: Thu, 27 Mar 2025 19:19:44 +0000 From: Chris Bainbridge To: regressions@lists.linux.dev Subject: [sashal@kernel.org: Re: [GIT pull] irq/urgent for v6.15-rc1] Message-ID: Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline #regzbot introduced: c3164d2e0d18 #regzbot fix: 3ece3e8e5976 #regzbot title: Intermittent boot failure ----- Forwarded message from Sasha Levin ----- Date: Wed, 26 Mar 2025 21:07:47 -0400 From: Sasha Levin To: Thomas Gleixner Cc: Linus Torvalds , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [GIT pull] irq/urgent for v6.15-rc1 On Wed, Mar 26, 2025 at 08:08:16PM +0100, Thomas Gleixner wrote: > Thomas Gleixner (1): > PCI/MSI: Handle the NOMASK flag correctly for all PCI/MSI backends Hi Thomas, I haven't bisected this, but I suspect that this commit is causing boot-time panics that are observed on LKFT. Note the line numbers are off by a bit. Full logs of the run are available at: https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.13-rc7-16083-gc13edfd29c29/testrun/27775255/suite/log-parser-test/test/bug-bug-kernel-null-pointer-dereference-address/details/ <1>[ 1.540630] BUG: kernel NULL pointer dereference, address: 0000000000000002 <1>[ 1.540630] #PF: supervisor read access in kernel mode <1>[ 1.540630] #PF: error_code(0x0000) - not-present page <6>[ 1.540630] PGD 0 P4D 0 <4>[ 1.540630] Oops: Oops: 0000 [#1] SMP PTI <4>[ 1.540630] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0 #1 PREEMPT(voluntary) <4>[ 1.540630] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 <4>[ 1.540630] RIP: 0010:__pci_enable_msi_range (drivers/pci/msi/msi.c:300 drivers/pci/msi/msi.c:342 drivers/pci/msi/msi.c:412 drivers/pci/msi/msi.c:463) <4>[ 1.540630] Code: ff ff ff e8 4e 18 fe ff f6 83 9f 06 00 00 10 0f b7 85 66 ff ff ff 74 0c 0d 00 01 00 00 66 89 85 66 ff ff ff 8b 8d 60 ff ff ff <41> f6 47 02 40 74 0c 25 ff fe 00 00 66 89 85 66 ff ff ff 89 8d 6c All code ======== 0: ff (bad) 1: ff (bad) 2: ff (bad) 3: e8 4e 18 fe ff call 0xfffffffffffe1856 8: f6 83 9f 06 00 00 10 testb $0x10,0x69f(%rbx) f: 0f b7 85 66 ff ff ff movzwl -0x9a(%rbp),%eax 16: 74 0c je 0x24 18: 0d 00 01 00 00 or $0x100,%eax 1d: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 24: 8b 8d 60 ff ff ff mov -0xa0(%rbp),%ecx 2a:* 41 f6 47 02 40 testb $0x40,0x2(%r15) <-- trapping instruction 2f: 74 0c je 0x3d 31: 25 ff fe 00 00 and $0xfeff,%eax 36: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 3d: 89 .byte 0x89 3e: 8d .byte 0x8d 3f: 6c insb (%dx),%es:(%rdi) Code starting with the faulting instruction =========================================== 0: 41 f6 47 02 40 testb $0x40,0x2(%r15) 5: 74 0c je 0x13 7: 25 ff fe 00 00 and $0xfeff,%eax c: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 13: 89 .byte 0x89 14: 8d .byte 0x8d 15: 6c insb (%dx),%es:(%rdi) <4>[ 1.540630] RSP: 0000:ffffa0df00013748 EFLAGS: 00010246 <4>[ 1.540630] RAX: 0000000000000080 RBX: ffff932e00981000 RCX: 0000000000000001 <4>[ 1.540630] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffffffff85e6e74c <4>[ 1.540630] RBP: ffffa0df00013820 R08: 0000000000000002 R09: ffffa0df00013714 <4>[ 1.540630] R10: 0000000000000001 R11: ffffffff84ef46c0 R12: ffff932e009810c0 <4>[ 1.540630] R13: 0000000000000001 R14: ffff932e00981000 R15: 0000000000000000 <4>[ 1.540630] FS: 0000000000000000(0000) GS:ffff932ef5f71000(0000) knlGS:0000000000000000 <4>[ 1.540630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 1.540630] CR2: 0000000000000002 CR3: 0000000020a2e000 CR4: 00000000000006f0 <4>[ 1.540630] Call Trace: <4>[ 1.540630] <4>[ 1.540630] pci_alloc_irq_vectors_affinity (drivers/pci/msi/api.c:?) <4>[ 1.540630] pci_alloc_irq_vectors (drivers/pci/msi/api.c:235) <4>[ 1.540630] ahci_init_irq (drivers/ata/ahci.c:1720) <4>[ 1.540630] ahci_init_one (drivers/ata/ahci.c:2004) <4>[ 1.540630] pci_device_probe (drivers/pci/pci-driver.c:325 drivers/pci/pci-driver.c:392 drivers/pci/pci-driver.c:417 drivers/pci/pci-driver.c:451) <4>[ 1.540630] really_probe (drivers/base/dd.c:?) <4>[ 1.540630] __driver_probe_device (drivers/base/dd.c:?) <4>[ 1.540630] driver_probe_device (drivers/base/dd.c:830) <4>[ 1.540630] __driver_attach (drivers/base/dd.c:1217) <4>[ 1.540630] bus_for_each_dev (drivers/base/bus.c:369) <4>[ 1.540630] driver_attach (drivers/base/dd.c:1234) <4>[ 1.540630] bus_add_driver (drivers/base/bus.c:678) <4>[ 1.540630] driver_register (drivers/base/driver.c:250) <4>[ 1.540630] __pci_register_driver (drivers/pci/pci-driver.c:1448) <4>[ 1.540630] ahci_pci_driver_init (drivers/ata/ahci.c:2090) <4>[ 1.540630] do_one_initcall (init/main.c:1257) <4>[ 1.540630] do_initcall_level (init/main.c:1318) <4>[ 1.540630] do_initcalls (init/main.c:1332) <4>[ 1.540630] do_basic_setup (init/main.c:1355) <4>[ 1.540630] kernel_init_freeable (init/main.c:1571) <4>[ 1.540630] kernel_init (init/main.c:1459) <4>[ 1.540630] ret_from_fork (arch/x86/kernel/process.c:159) <4>[ 1.540630] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) <4>[ 1.540630] <4>[ 1.540630] Modules linked in: <4>[ 1.540630] CR2: 0000000000000002 <4>[ 1.540630] ---[ end trace 0000000000000000 ]--- <4>[ 1.540630] RIP: 0010:__pci_enable_msi_range (drivers/pci/msi/msi.c:300 drivers/pci/msi/msi.c:342 drivers/pci/msi/msi.c:412 drivers/pci/msi/msi.c:463) <4>[ 1.540630] Code: ff ff ff e8 4e 18 fe ff f6 83 9f 06 00 00 10 0f b7 85 66 ff ff ff 74 0c 0d 00 01 00 00 66 89 85 66 ff ff ff 8b 8d 60 ff ff ff <41> f6 47 02 40 74 0c 25 ff fe 00 00 66 89 85 66 ff ff ff 89 8d 6c All code ======== 0: ff (bad) 1: ff (bad) 2: ff (bad) 3: e8 4e 18 fe ff call 0xfffffffffffe1856 8: f6 83 9f 06 00 00 10 testb $0x10,0x69f(%rbx) f: 0f b7 85 66 ff ff ff movzwl -0x9a(%rbp),%eax 16: 74 0c je 0x24 18: 0d 00 01 00 00 or $0x100,%eax 1d: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 24: 8b 8d 60 ff ff ff mov -0xa0(%rbp),%ecx 2a:* 41 f6 47 02 40 testb $0x40,0x2(%r15) <-- trapping instruction 2f: 74 0c je 0x3d 31: 25 ff fe 00 00 and $0xfeff,%eax 36: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 3d: 89 .byte 0x89 3e: 8d .byte 0x8d 3f: 6c insb (%dx),%es:(%rdi) Code starting with the faulting instruction =========================================== 0: 41 f6 47 02 40 testb $0x40,0x2(%r15) 5: 74 0c je 0x13 7: 25 ff fe 00 00 and $0xfeff,%eax c: 66 89 85 66 ff ff ff mov %ax,-0x9a(%rbp) 13: 89 .byte 0x89 14: 8d .byte 0x8d 15: 6c insb (%dx),%es:(%rdi) <4>[ 1.540630] RSP: 0000:ffffa0df00013748 EFLAGS: 00010246 <4>[ 1.540630] RAX: 0000000000000080 RBX: ffff932e00981000 RCX: 0000000000000001 <4>[ 1.540630] RDX: 0000000000000000 RSI: 0000000000000286 RDI: ffffffff85e6e74c <4>[ 1.540630] RBP: ffffa0df00013820 R08: 0000000000000002 R09: ffffa0df00013714 <4>[ 1.540630] R10: 0000000000000001 R11: ffffffff84ef46c0 R12: ffff932e009810c0 <4>[ 1.540630] R13: 0000000000000001 R14: ffff932e00981000 R15: 0000000000000000 <4>[ 1.540630] FS: 0000000000000000(0000) GS:ffff932ef5f71000(0000) knlGS:0000000000000000 <4>[ 1.540630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 1.540630] CR2: 0000000000000002 CR3: 0000000020a2e000 CR4: 00000000000006f0 <6>[ 1.540630] note: swapper/0[1] exited with irqs disabled <0>[ 1.574039] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 <0>[ 1.574664] Kernel Offset: 0x2c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) <0>[ 1.574664] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 ]--- -- Thanks, Sasha ----- End forwarded message -----