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 41F07D591A3 for ; Mon, 18 Nov 2024 16:36:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 82C866B0083; Mon, 18 Nov 2024 11:36:06 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7DC916B0085; Mon, 18 Nov 2024 11:36:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A4D26B0088; Mon, 18 Nov 2024 11:36:06 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 4B5676B0083 for ; Mon, 18 Nov 2024 11:36:06 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E8879A028D for ; Mon, 18 Nov 2024 16:36:05 +0000 (UTC) X-FDA: 82799765370.07.68070E4 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by imf23.hostedemail.com (Postfix) with ESMTP id C9BFD140022 for ; Mon, 18 Nov 2024 16:35:31 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=none; spf=pass (imf23.hostedemail.com: domain of 382w7ZwkbAPou01mcnngtcrrkf.iqqingwugteqpvgpv.eqo@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.72 as permitted sender) smtp.mailfrom=382w7ZwkbAPou01mcnngtcrrkf.iqqingwugteqpvgpv.eqo@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=1731947563; 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=s8AJ4XbjzD3EsOHV7pa4sjS6AZRvhnAFfDyspYKkyvw=; b=a6P9PoSs7byHbAp1HU/mpy9hlQMkBOWGdioxgeDvbKtFDgPFrFWwLT5/DtjC7RRIw6JQzz 3amKTo6qn2UhvOrA2A7ijQ+taXRGxTmkX0fHjnEFRJmJcxAzmg15Drz+YxG58/z1JMWZ+n LrjfhqkgoYdZmEkUR7yRt5KS0pVb2jQ= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=none; spf=pass (imf23.hostedemail.com: domain of 382w7ZwkbAPou01mcnngtcrrkf.iqqingwugteqpvgpv.eqo@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.72 as permitted sender) smtp.mailfrom=382w7ZwkbAPou01mcnngtcrrkf.iqqingwugteqpvgpv.eqo@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1731947563; a=rsa-sha256; cv=none; b=bU+mKR67DevOxWkA/CInykX9PpL6ifg4yG4DhOQDik0j1LI9OzyZbFjfLu4peBzB9O9Mp/ nE+k0k5rQgXy/74XHNMoDLX9FhfvFv8o4tqnmwm3Bkf0u3MslrRjvjjpCGuk9GuaD7vrx2 rcSPWiRiPkfTx5PcEirOzhRslnGPjuY= Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-83e5dc9f6a4so416414039f.0 for ; Mon, 18 Nov 2024 08:36:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731947763; x=1732552563; 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=s8AJ4XbjzD3EsOHV7pa4sjS6AZRvhnAFfDyspYKkyvw=; b=K6BMZS7QSd0KKcNC0bdZxOkkZ8Sz/jcswjYkOnu90G72TM6covywZ7I5Qt7ifS0pWe OCT1B0PeBRNLX3t5yGnxka1onyTrVsraOeGh8Rl+IYfl+SaoW92TpJyOquURudXzu4pG 2+aX8naMgUGhNxs8j3P1eQzr7R86lGY+6AkjQq8Xqs9j0XLW0dpcSSEnh0qwnW5f+8WN w4dNSg51wVC+MrVYF/gbsibr8nnoLVSPXtZ75BBD5ovCDY90KV7YzfU3JdL00i5JADno v4tq//veUPFJKYEXruSkNxcISSnw+n8BrjWe7dQakgiNwJ9a+/dQkNeCiGZjIM9ZekP2 vtWg== X-Forwarded-Encrypted: i=1; AJvYcCUEPFp/LIPQf6Db27EjFcZ+chunY89xUcXtrrbsn6O/2G2caNIiav2V+6O1X9kzNPfb2sCMGQEQvg==@kvack.org X-Gm-Message-State: AOJu0YzwdXQym0MqsJDshupzuy4f3G9+XwDZxoEcgtzqhukoFr4wEeL9 2cnURi0mkV+tJ77ZC3vYzqaWy5RmOBewOSOtErzoniZ3u72oEOTX5aoEaMRl2/XaM/3tI+GsvkX f1bDC42qsVv2vaamjuy7j8kmsDRWW8H9n6bl5EP/XChRM8vpgsDeje7A= X-Google-Smtp-Source: AGHT+IGxp1zYNQU3z94f5pPzojEdMjCcrw6uv3/3JhCJlchlnSJstpZ9yLFryMMSVvUUHHuDc6rS+H2VMShI+Uha2Xl36F8sOvhZ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1689:b0:3a7:6467:2e0b with SMTP id e9e14a558f8ab-3a7772569aamr448485ab.0.1731947763204; Mon, 18 Nov 2024 08:36:03 -0800 (PST) Date: Mon, 18 Nov 2024 08:36:03 -0800 In-Reply-To: <941062.1731947033@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <673b6cf3.050a0220.87769.004c.GAE@google.com> Subject: Re: [syzbot] [mm?] [v9fs?] BUG: stack guard page was hit in sys_open From: syzbot To: akpm@linux-foundation.org, asmadeus@codewreck.org, dhowells@redhat.com, ericvh@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux_oss@crudebyte.com, lucho@ionkov.net, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: C9BFD140022 X-Stat-Signature: 1sjjeq8fsxwhrkhcesnijouyc67hxqd1 X-Rspam-User: X-HE-Tag: 1731947731-712416 X-HE-Meta: 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 44ELvG+a 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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: WARNING in netfs_retry_reads ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=2 set at [] prepare_to_wait+0xa6/0x380 kernel/sched/wait.c:237 WARNING: CPU: 2 PID: 6504 at kernel/sched/core.c:8576 __might_sleep+0x117/0x170 kernel/sched/core.c:8576 Modules linked in: CPU: 2 UID: 0 PID: 6504 Comm: syz.0.19 Not tainted 6.12.0-rc6-syzkaller-gaf01434f267f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__might_sleep+0x117/0x170 kernel/sched/core.c:8576 Code: 49 8d bc 24 68 17 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 38 49 8b 94 24 68 17 00 00 48 c7 c7 40 49 6c 8b e8 ba 41 f2 ff 90 <0f> 0b 90 90 e9 70 ff ff ff e8 fb d9 92 00 e9 1e ff ff ff 89 34 24 RSP: 0018:ffffc90003a5eb48 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8b83c8e0 RCX: ffffffff814e6e79 RDX: ffff888023afc880 RSI: ffffffff814e6e86 RDI: 0000000000000001 RBP: 0000000000000049 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888023afc880 R13: 0000000000000000 R14: 1ffff9200074bd83 R15: ffff88803ea60700 FS: 00007f803b8a96c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005635a9d4bc60 CR3: 0000000031d88000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wait_on_bit include/linux/wait_bit.h:73 [inline] netfs_retry_reads+0xe4/0x1dc0 fs/netfs/read_retry.c:263 netfs_collect_read_results fs/netfs/read_collect.c:333 [inline] netfs_read_collection+0x2990/0x3bb0 fs/netfs/read_collect.c:414 netfs_wait_for_read+0x1e6/0x440 fs/netfs/read_collect.c:629 netfs_unbuffered_read fs/netfs/direct_read.c:156 [inline] netfs_unbuffered_read_iter_locked+0x1247/0x1860 fs/netfs/direct_read.c:231 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:266 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:361 __kernel_read+0x3f1/0xb50 fs/read_write.c:527 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:28 ima_calc_file_hash_tfm+0x2c9/0x3e0 security/integrity/ima/ima_crypto.c:480 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x1ba/0x490 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x89f/0xa40 security/integrity/ima/ima_api.c:293 process_measurement+0x1271/0x2370 security/integrity/ima/ima_main.c:372 ima_file_check+0xc1/0x110 security/integrity/ima/ima_main.c:572 security_file_post_open+0x8e/0x210 security/security.c:3129 do_open fs/namei.c:3776 [inline] path_openat+0x1419/0x2d60 fs/namei.c:3933 do_filp_open+0x1dc/0x430 fs/namei.c:3960 do_sys_openat2+0x17a/0x1e0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_open fs/open.c:1438 [inline] __se_sys_open fs/open.c:1434 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1434 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f803ab7e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f803b8a9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f803ad35f80 RCX: 00007f803ab7e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f803abf175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f803ad35f80 R15: 00007fff5dc85c38 Tested on: commit: af01434f rxrpc: Fix missing locking causing hanging ca.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-writeback console output: https://syzkaller.appspot.com/x/log.txt?x=11796ac0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c0b2fb415081f288 dashboard link: https://syzkaller.appspot.com/bug?extid=885c03ad650731743489 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.