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 03A2BC3DA6E for ; Sat, 23 Dec 2023 04:02:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 93D2D6B0078; Fri, 22 Dec 2023 23:02:05 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8C5F86B007B; Fri, 22 Dec 2023 23:02:05 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 768A06B007E; Fri, 22 Dec 2023 23:02:05 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 5C9F06B0078 for ; Fri, 22 Dec 2023 23:02:05 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 188B7140824 for ; Sat, 23 Dec 2023 04:02:05 +0000 (UTC) X-FDA: 81596735010.21.4B823AD Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by imf07.hostedemail.com (Postfix) with ESMTP id 656DB40019 for ; Sat, 23 Dec 2023 04:02:03 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=none; spf=pass (imf07.hostedemail.com: domain of 3uluGZQkbAL0v12ndoohudsslg.jrrjohxvhufrqwhqw.frp@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.197 as permitted sender) smtp.mailfrom=3uluGZQkbAL0v12ndoohudsslg.jrrjohxvhufrqwhqw.frp@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1703304123; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references; bh=n62JQkWrXb19Weo263bbCAgIHWlV+cRk8wtKDHp9PuI=; b=K+i0JB28ryGBDGdUWA/Ms+CurGygS4BmP1unrEqMvXDQPlHo0Ar3MhzDpMwOfIRTrUz+da YxXkj7Kv+Tb+vZ0A/NrqUlTEvQjLto1YPDmTuaqGVfquINBD1TiMaAp+gJMy4qgPIwTqN4 GBqrVG0+Ps+OZzeAyHrJLHUP6yIrJbE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1703304123; a=rsa-sha256; cv=none; b=YQhkbNREteHnQT/MS1evIFVtJ6BI0RTZMKH+E6w1FiVTAnDT9a6FuVmIX2QR0RLkQEyEXC cXh5BsEi/eMQrqyr50iKHiN/QI0GeazW7N29neMZmAvgOCemh9zuN9kzQ4OcqaQiSbuGB7 V/mLe4s8iBAhjZNfigbsMjMtvACUhi8= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=none; spf=pass (imf07.hostedemail.com: domain of 3uluGZQkbAL0v12ndoohudsslg.jrrjohxvhufrqwhqw.frp@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.197 as permitted sender) smtp.mailfrom=3uluGZQkbAL0v12ndoohudsslg.jrrjohxvhufrqwhqw.frp@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-35d36f83b3fso25066335ab.1 for ; Fri, 22 Dec 2023 20:02:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703304122; x=1703908922; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=n62JQkWrXb19Weo263bbCAgIHWlV+cRk8wtKDHp9PuI=; b=LomyVOBu0b1AXbrkQk46qvlZ9bZRIDgmehX2vGoo83L2mUfpBT2g+63r5Y5pru9mHl ZDcZm58jJUgH4ljV9WvPwuhxVmKX2IPniwfbRh7h49T0lvGDRszBbHGPFXr3bPSDb9r+ Mg9daP5Gq+PQyGm9fdxnqK6FPANAwY6lSS5Vdu9X+6kTw52V7BeW7z7/p/n3N0F7sRpX TRVFudM54SPPRxdw1kbe7vktxi+omboI9wg0JsJfvPzlLR7JHwyrKSWbv1QJ4QlkC9rD F8QPV3agg/D6tW4Aa9KH0QyU3pBBUYz/qMUwsBisRUzt/zefBtsXkidvsv/V4QsKpaZw lgEQ== X-Gm-Message-State: AOJu0YyChidE3m7VZF7gsVTzLInHJTMPUJ6PjyI5M8IzIKUTna8Wivkv kOz9XWk5xWWrh+HyntpOnxjWOPYu4mLQIgrbdf6neewDU0OG X-Google-Smtp-Source: AGHT+IHC89YKVAFZB3Q/TaFj9CgFTHxIO+3qKakY927csoLvm3v1Fo/We0UftITz9ZPPQZqXA3pycCtK5YQYAEXKDgkMDTtg939M MIME-Version: 1.0 X-Received: by 2002:a05:6e02:16cf:b0:35f:d5ea:8a86 with SMTP id 15-20020a056e0216cf00b0035fd5ea8a86mr244977ilx.5.1703304122722; Fri, 22 Dec 2023 20:02:02 -0800 (PST) Date: Fri, 22 Dec 2023 20:02:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002df02e060d25657b@google.com> Subject: Re: [syzbot] [mm?] [io-uring?] WARNING in get_pte_pfn From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, yuzhao@google.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 656DB40019 X-Rspam-User: X-Stat-Signature: na6ob4yo8gj3dfs5389a57s4e5jxgr9m X-Rspamd-Server: rspam03 X-HE-Tag: 1703304123-366761 X-HE-Meta: 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 yWDDy9Cw 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 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: List-Subscribe: List-Unsubscribe: Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in get_pte_pfn ioctx_table 0000000000000000 owner ffff8880208f3b80 exe_file ffff88801a7ff180 notifier_subscriptions 0000000000000000 numa_next_scan 4294946352 numa_scan_offset 0 numa_scan_seq 0 tlb_flush_pending 0 def_flags: 0x0() ------------[ cut here ]------------ kernel BUG at mm/vmscan.c:3248! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5911 Comm: syz-executor.0 Not tainted 6.7.0-rc6-syzkaller-00248-g5254c0cbc92d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:get_pte_pfn+0x3ec/0x450 mm/vmscan.c:3248 Code: ef e8 48 27 0a 00 49 8d 7d 10 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 5a 49 8b 7d 10 e8 c5 29 0a 00 90 <0f> 0b 4c 89 ef e8 fa 0f 22 00 e9 dc fc ff ff 48 c7 c7 80 43 19 8f RSP: 0018:ffffc9000bb4e868 EFLAGS: 00010286 RAX: 0000000000000331 RBX: ffffea0001fb0240 RCX: ffffffff816a6559 RDX: 0000000000000000 RSI: ffffffff816aea02 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000200 R13: ffff88807ba95e00 R14: 1ffff92001769d0e R15: 0000000000010b22 FS: 00007ff14dc496c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000076e1e000 CR4: 0000000000350ef0 Call Trace: lru_gen_look_around+0x743/0x11f0 mm/vmscan.c:4008 folio_referenced_one+0x5a2/0xf70 mm/rmap.c:843 rmap_walk_anon+0x225/0x570 mm/rmap.c:2485 rmap_walk mm/rmap.c:2562 [inline] rmap_walk mm/rmap.c:2557 [inline] folio_referenced+0x28a/0x4b0 mm/rmap.c:960 folio_check_references mm/vmscan.c:829 [inline] shrink_folio_list+0x1ace/0x3f00 mm/vmscan.c:1160 evict_folios+0x6e7/0x1b90 mm/vmscan.c:4506 try_to_shrink_lruvec+0x638/0xa10 mm/vmscan.c:4711 lru_gen_shrink_lruvec mm/vmscan.c:4856 [inline] shrink_lruvec+0x314/0x2990 mm/vmscan.c:5629 shrink_node_memcgs mm/vmscan.c:5849 [inline] shrink_node+0x811/0x3710 mm/vmscan.c:5884 shrink_zones mm/vmscan.c:6123 [inline] do_try_to_free_pages+0x36c/0x1940 mm/vmscan.c:6185 try_to_free_mem_cgroup_pages+0x31a/0x770 mm/vmscan.c:6500 try_charge_memcg+0x3d3/0x11f0 mm/memcontrol.c:2742 obj_cgroup_charge_pages mm/memcontrol.c:3255 [inline] __memcg_kmem_charge_page+0xdd/0x2a0 mm/memcontrol.c:3281 __alloc_pages+0x263/0x2420 mm/page_alloc.c:4585 alloc_pages_mpol+0x258/0x5f0 mm/mempolicy.c:2133 __get_free_pages+0xc/0x40 mm/page_alloc.c:4615 io_mem_alloc+0x33/0x60 io_uring/io_uring.c:2789 io_allocate_scq_urings io_uring/io_uring.c:3842 [inline] io_uring_create io_uring/io_uring.c:4019 [inline] io_uring_setup+0x13ed/0x2430 io_uring/io_uring.c:4131 __do_sys_io_uring_setup io_uring/io_uring.c:4158 [inline] __se_sys_io_uring_setup io_uring/io_uring.c:4152 [inline] __x64_sys_io_uring_setup+0x98/0x140 io_uring/io_uring.c:4152 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7ff14ce7cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff14dc49058 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007ff14cf9bf80 RCX: 00007ff14ce7cba9 RDX: 0000000020000700 RSI: 0000000020000640 RDI: 0000000000005a19 RBP: 00007ff14cec847a R08: 0000000000000000 R09: 0000000020000700 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000640 R13: 0000000000000000 R14: 0000000000005a19 R15: 0000000020000700 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:get_pte_pfn+0x3ec/0x450 mm/vmscan.c:3248 Code: ef e8 48 27 0a 00 49 8d 7d 10 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 5a 49 8b 7d 10 e8 c5 29 0a 00 90 <0f> 0b 4c 89 ef e8 fa 0f 22 00 e9 dc fc ff ff 48 c7 c7 80 43 19 8f RSP: 0018:ffffc9000bb4e868 EFLAGS: 00010286 RAX: 0000000000000331 RBX: ffffea0001fb0240 RCX: ffffffff816a6559 RDX: 0000000000000000 RSI: ffffffff816aea02 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000200 R13: ffff88807ba95e00 R14: 1ffff92001769d0e R15: 0000000000010b22 FS: 00007ff14dc496c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000076e1e000 CR4: 0000000000350ef0 Tested on: commit: 5254c0cb Merge tag 'block-6.7-2023-12-22' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1709d481e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=314e9ad033a7d3a7 dashboard link: https://syzkaller.appspot.com/bug?extid=03fd9b3f71641f0ebf2d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1120ad76e80000