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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAEE4C433FE for ; Tue, 22 Mar 2022 17:25:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6F5686B0072; Tue, 22 Mar 2022 13:25:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 67E206B0074; Tue, 22 Mar 2022 13:25:07 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 51F5E6B0075; Tue, 22 Mar 2022 13:25:07 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0051.hostedemail.com [216.40.44.51]) by kanga.kvack.org (Postfix) with ESMTP id 41A806B0072 for ; Tue, 22 Mar 2022 13:25:07 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id DCBE418259E32 for ; Tue, 22 Mar 2022 17:25:06 +0000 (UTC) X-FDA: 79272697812.30.A8A463E Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf01.hostedemail.com (Postfix) with ESMTP id 291F64002C for ; Tue, 22 Mar 2022 17:25:05 +0000 (UTC) Date: Tue, 22 Mar 2022 18:25:02 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1647969903; 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; bh=q+WTlvTIiZV8rxF9yDQdtajlRScqO9CpE77C4K1KpA4=; b=QGVEXylEz4aGb9b7auAM3+9wQdLhPojc8sPbjpif4XbrdpTUo43lG4y7coMYXT6xDh302j OK6njQtEShhSEF6jfLXFcflvomVLPcq0PUmaIExSRbi1R6cZ+oh+xAgufXptRQTIWdSOX/ My/jCQfhcNrEix1LyPNcHMbON3mSnhMpwl1AqvQNYIKs7zWm+zzETL70po847u/GvlKwN3 dVc1guvU/pDoBBQiJhr29+S7yIYLbfft/djKe6ggeP5a6HPdM8Sx5GyypKCdsRKEupDAqy 3kibEqC+TxwYGYqL7yuHHQR9to8adLOLohDJDVrbtSx+FPdIZJY2kzU/ZETkTA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1647969903; 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; bh=q+WTlvTIiZV8rxF9yDQdtajlRScqO9CpE77C4K1KpA4=; b=SWcvNxefSnIuD9K1OCotgP46hPwa6GQXp485hDv5mdsV+TSlC6zwk/S/5unF9YpIY8SSi1 60Ca+3ME3Zn5rqCg== From: Sebastian Andrzej Siewior To: linux-mm@kvack.org Cc: Andrew Morton , Thomas Gleixner Subject: BUG_ON() in pfn_swap_entry_to_page() Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=QGVEXylE; dkim=pass header.d=linutronix.de header.s=2020e header.b=SWcvNxef; dmarc=pass (policy=none) header.from=linutronix.de; spf=pass (imf01.hostedemail.com: domain of bigeasy@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=bigeasy@linutronix.de X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 291F64002C X-Stat-Signature: 36u5roh1gif9h93zieu7ghduz8kyhekn X-HE-Tag: 1647969905-237294 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Run into |kernel BUG at include/linux/swapops.h:258! |invalid opcode: 0000 [#1] PREEMPT SMP NOPTI |CPU: 10 PID: 1741 Comm: malloc-mem Not tainted 5.17.0-next-20220322 #19 |Hardware name: Intel Corporation S2600CP/S2600CP, BIOS SE5C600.86B.02.03.0003.041920141333 04/19/2014 |RIP: 0010:migration_entry_wait_on_locked+0x233/0x2c0 |Code: 66 90 e9 8a fe ff ff 66 90 e9 3d ff ff ff 48 8b 43 08 a8 01 0f 85 87 00 00 00 66 90 48 89 d8 48 8b 00 a8 01 0f 85 23 fe ff ff <0f> 0b 48 83 e8 01 48 89 c3 e9 29 fe ff ff 65 48 8b 04 25 00 c0 01 |RSP: 0000:ffffc9000a44bd78 EFLAGS: 00010246 |RAX: 002fffff80000000 RBX: ffffea0014a20000 RCX: ffffffff5aeffe00 |RDX: ffff88811b42e200 RSI: 0000000000000000 RDI: 000000000000001f |RBP: ffff88811b42e200 R08: 0000000000000001 R09: 0000000000000000 |R10: 0000000000000000 R11: 0000000000000000 R12: 00007f7131200000 |R13: 0000000000000c48 R14: 0400000000000000 R15: fff000003fffffff |FS: 00007f7145570580(0000) GS:ffff888a2aa80000(0000) knlGS:0000000000000000 |CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |CR2: 00007f7131200000 CR3: 00000006f42c4006 CR4: 00000000000606e0 |Call Trace: | | __handle_mm_fault+0x2bf/0x1810 | handle_mm_fault+0x136/0x3e0 | exc_page_fault+0x1d2/0x850 | asm_exc_page_fault+0x22/0x30 This is the BUG_ON() in pfn_swap_entry_to_page(). The box itself has no swapspace configured. Is this something known? Sebastian