From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EB37C22D796 for ; Tue, 8 Apr 2025 15:29:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744126162; cv=none; b=XjbS61PJPY7JHNsPy2gYSqTeHva3uNfteziZvcA85m7BjfJDeQst3fbkFGDxqEBRw4Q/1CtEg8q+dFhmv8N15P3yoaC497bqgG9tfLSYFUXpSGHg29v+gkw9drt/XYrJR+gCYwcqanTSiIE2yvgK2ME4Nnak6qLSWqtua+GQEaQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744126162; c=relaxed/simple; bh=Fxg70QgtPlj4RdflIuFhZfsFMtC+JbBHqM382S1oi08=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=YdwbHPQLBOhDdyz+wU6bnx0nq7hd6msIsNYCzdu0Wz26DbF8Orm9h2G2wmJATn+O2HXX+7Pys9ftVu1NsRh3pDHFodMZuvq2lFh3fbnhWpSKnJejKnsFuYkYM5sb+5THUAuc3hs0k5fYcUuSwUgWsTwAG1EJkEj3XVii5CntvOE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=O7E+d/2y; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=rEoCzLzj; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="O7E+d/2y"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="rEoCzLzj" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1744126159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=D7lrD777WlV5NoGWVSOIwJfzlgFnXalTH+h9bs4IFhY=; b=O7E+d/2yi1aEz9CuhQPbmWL1Qw27B41tgMWOoWqrUt/1rWS1chF9WxTDui+YBN8rnGmBMG T7CqxLl/g/7rPbuXVYQxqU+F8nLR2Cb6gb/+P2XvncvvdK6e8O3a0sVa4ghfFam+59dyqm vdtupyK9QcH3WAF3PpWEXvwr8tvZCkaJQxdjktVMlt+E5txXLx4gBUq7bATYZPe8wCZ185 8/1M7X3hQyy7Yy4AYfVB6+1qKIlQ9hfWVfVNQ34gDUihhPa7BuOrBprkFmgkRzNQAMDXeD +sPrQYovOXlMggMS6t+7tDeSHLM4bl+EfoADIAFKstzzK509lSq72SpV/wNOhg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1744126159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=D7lrD777WlV5NoGWVSOIwJfzlgFnXalTH+h9bs4IFhY=; b=rEoCzLzjV6yojdMz9G/ZCzDKYD+gEAIyycNKMOXhxiGwYN2M7aEHhAGGDHswybuZz6TCK2 aJdQuDNdbTjDZeBw== To: Bert Karwatzki Cc: Bert Karwatzki , Bjorn Helgaas , linux-kernel@vger.kernel.org, James.Bottomley@HansenPartnership.com, Jonathan.Cameron@huawei.com, allenbh@gmail.com, d-gole@ti.com, dave.jiang@intel.com, haiyangz@microsoft.com, jdmason@kudzu.us, kristo@kernel.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, linux-scsi@vger.kernel.org, logang@deltatee.com, manivannan.sadhasivam@linaro.org, martin.petersen@oracle.com, maz@kernel.org, mhklinux@outlook.com, nm@ti.com, ntb@lists.linux.dev, peterz@infradead.org, ssantosh@kernel.org, wei.huang2@amd.com, wei.liu@kernel.org Subject: Re: commit 7b025f3f85ed causes NULL pointer dereference In-Reply-To: <87iknevgfb.ffs@tglx> References: <20250408120446.3128-1-spasswolf@web.de> <87iknevgfb.ffs@tglx> Date: Tue, 08 Apr 2025 17:29:18 +0200 Message-ID: <87friivfht.ffs@tglx> Precedence: bulk X-Mailing-List: ntb@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Tue, Apr 08 2025 at 17:09, Thomas Gleixner wrote: > On Tue, Apr 08 2025 at 14:04, Bert Karwatzki wrote: >> Since linux-next-20250408 I get a NULL pointer dereference when booting: >> >> [ T669] BUG: kernel NULL pointer dereference, address: 0000000000000330 >> [ T669] #PF: supervisor read access in kernel mode >> [ T669] #PF: error_code(0x0000) - not-present page >> [ T669] PGD 0 P4D 0 >> [ T669] Oops: Oops: 0000 [#1] SMP NOPTI >> [ T669] CPU: 2 UID: 0 PID: 669 Comm: (udev-worker) Not tainted 6.15.0-rc1-next-20250408-master #788 PREEMPT_{RT,(lazy)} >> [ T669] Hardware name: Micro-Star International Co., Ltd. Alpha 15 B5EEK/MS-158L, BIOS E158LAMS.107 11/10/2021 >> [ T669] RIP: 0010:msi_domain_first_desc+0x4/0x30 >> [ T669] Code: e9 21 ff ff ff 0f 0b 31 c0 e9 f3 8c da ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b bf 68 02 00 00 48 85 ff 74 13 85 f6 75 0f 48 c7 47 60 00 00 >> [ T669] RSP: 0018:ffffcec6c25cfa78 EFLAGS: 00010246 >> [ T669] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000008 >> [ T669] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000c8 >> [ T669] RBP: ffff8d26cb419aec R08: 0000000000000228 R09: 0000000000000000 >> [ T669] R10: ffff8d26c516fdc0 R11: ffff8d26ca5a4aa0 R12: ffff8d26c1aed0c8 >> [ T669] R13: 0000000000000002 R14: ffffcec6c25cfa90 R15: ffff8d26c1aed000 >> [ T669] FS: 00007f690f71a980(0000) GS:ffff8d35e83fa000(0000) knlGS:0000000000000000 >> [ T669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ T669] CR2: 0000000000000330 CR3: 0000000121b64000 CR4: 0000000000750ef0 >> [ T669] PKRU: 55555554 >> [ T669] Call Trace: >> [ T669] >> [ T669] msix_setup_interrupts+0x23b/0x280 > > Can you please decode the lines please via: > > scripts/faddr2line vmlinux msi_domain_first_desc+0x4/0x30 > scripts/faddr2line vmlinux msix_setup_interrupts+0x23b/0x280 Can you please also provide kernel configuration and compiler version? Thanks, tglx