Received: by 2002:a05:7412:e794:b0:fa:551:50a7 with SMTP id o20csp1519571rdd; Thu, 11 Jan 2024 01:22:29 -0800 (PST) X-Google-Smtp-Source: AGHT+IGN+jiR6MjvYUMjtGtszRoxwJfrgaR2NU1dlEmQdlgV8nWQ+vF3i82ZeveUAPEuAT/89ioi X-Received: by 2002:ac8:7f92:0:b0:429:c0d3:914b with SMTP id z18-20020ac87f92000000b00429c0d3914bmr370088qtj.113.1704964949129; Thu, 11 Jan 2024 01:22:29 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704964949; cv=none; d=google.com; s=arc-20160816; b=kGkCtrOn5+zwd6ebWpYv3rlQG4bpQP2RS5EyWHqikR5nFdMp7knIx65JUDDIClhX3H KelePH8j6OvctihYsbMyT6v9GcgQk1M53ai8oNQQnDkg3JuW4C7eYleTsodSrjjnsFrv ZcqB+d44CJD87rHKGbxb6ULKm0inKUVTxbBxqgLWbKr0miF/LOtPycCxT6vmDkHKd2AA T6/Sobw9FE7QpXLEKaMdqq44S71u6n+rEaiwH0tOa9WjafHLbPt0p1iN4itu7ZiGHu5W Nb2irmPQU6c4T9Cs8kn5iTYzstS1+DJWhNV0Y5rPJzko64WtnLvpi1pZDMtvjiS1Fb3H rvKA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date:dkim-signature:dkim-signature:dkim-signature :dkim-signature; bh=BG4l8S4qH/pdeuy9YBJx2ULMPOYWxsdX/Qk0+ysAZFY=; fh=uLAaR6DdeorJHwC6sV5E/0roe+zBk7mvS8cmie8ihbQ=; b=hVPBgg4yTfKFK+bacYiduBGr8e840wcHBsFxRaCdD0K2H9LZrBpjISLXAr2m1ah0TW qWITJ5o3WDCXXYg6uXGXGk9OpGWVSwztSJ9NaH52CXnoZflsd0f6OYSt7XX4EK6SmS8B 4rOQbGs3WuRw2p5pqlhssnROIBfAU+VfjXAC4WVljHuxwC+B2x+tKPVHCr3D+GTvn0YF h/4H78USybgT7VD3rnQXyL77akenSLuDHXBupm4++Mga+kBpNb/DUjKca4zO9GzHNVT3 b8rLjcykHJ1/3nFI5Ta1Kf2Y7jbvBBdBNS8PMyzz9Q7jS1/f63sNYKEhZ7EX0/xDk2L/ +Uuw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=O10PnA5U; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b="DLTsdr/R"; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519; spf=pass (google.com: domain of linux-kernel+bounces-23304-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-23304-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id r19-20020ac85c93000000b004283d5802f9si545270qta.732.2024.01.11.01.22.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jan 2024 01:22:29 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-23304-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=O10PnA5U; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b="DLTsdr/R"; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519; spf=pass (google.com: domain of linux-kernel+bounces-23304-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-23304-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id E10A01C26A91 for ; Thu, 11 Jan 2024 09:22:27 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0CCE212E60; Thu, 11 Jan 2024 09:21:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="O10PnA5U"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="pljCv8lT"; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="DLTsdr/R"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="WuJXopWp" Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (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 E54EE12E5B; Thu, 11 Jan 2024 09:21:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.cz Received: from imap2.dmz-prg2.suse.org (imap2.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:98]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 3131F1FB93; Thu, 11 Jan 2024 09:20:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1704964819; h=from:from:reply-to: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=BG4l8S4qH/pdeuy9YBJx2ULMPOYWxsdX/Qk0+ysAZFY=; b=O10PnA5UoDnOwrvEgUiBBGbjS+bH1vG6SKp0R3FZcMaujzsxWrk45be2UkruykpAlnhyOy FOaiwp6HZgi3uYtfDOLkbCoANBBR/+YbtzDErp3ml2BVwd9dXeleOBm+3rXE0ULg6aED7W MSvN9buA+HtrWQcYmiF8/xqvGtxzKXI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1704964819; h=from:from:reply-to: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=BG4l8S4qH/pdeuy9YBJx2ULMPOYWxsdX/Qk0+ysAZFY=; b=pljCv8lTzcTysH3Vk9QOXeS8pQ3SnFj5qeWlQy5YCu2XcNGgrg89pD66/zdUmbvKWr8CYa DbWBrnhydgmghuCw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1704964893; h=from:from:reply-to: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=BG4l8S4qH/pdeuy9YBJx2ULMPOYWxsdX/Qk0+ysAZFY=; b=DLTsdr/RtTsy+HmSVVU6QgVHFa5zgKnnyU2o/LfFTxcurlifeV4zMlzHfliRCMxeRLb5+X v3ZzsydYyNEEGv2MVD38rzrXRcEEHN9QIZmMwc2AKBPTPV5DNRftTdXJgA4BCDGp++k3cx Lgi0B9tr+ZweoiGogwMKVf4tJFwBnhM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1704964893; h=from:from:reply-to: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=BG4l8S4qH/pdeuy9YBJx2ULMPOYWxsdX/Qk0+ysAZFY=; b=WuJXopWpzXx8vtgBM4F+8BniNJcfaY4lMF9y3pOMnN4OhcKu0RBp5dbv4YJFHUnWkhc+yC lWcvAQ2muGx7sHBQ== Received: from imap2.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap2.dmz-prg2.suse.org (Postfix) with ESMTPS id 21930138E5; Thu, 11 Jan 2024 09:20:17 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id jqgrCNGyn2X8KwAAn2gu4w (envelope-from ); Thu, 11 Jan 2024 09:20:17 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 5FD84A0807; Thu, 11 Jan 2024 10:21:47 +0100 (CET) Date: Thu, 11 Jan 2024 10:21:47 +0100 From: Jan Kara To: syzbot Cc: axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, jmorris@namei.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, paul@paul-moore.com, penguin-kernel@I-love.SAKURA.ne.jp, serge@hallyn.com, syzkaller-bugs@googlegroups.com, takedakn@nttdata.co.jp, tomoyo-dev-en-owner@lists.osdn.me, tomoyo-dev-en@lists.osdn.me Subject: Re: [syzbot] [hfs] general protection fault in tomoyo_check_acl (3) Message-ID: <20240111092147.ywwuk4vopsml3plk@quack3> References: <000000000000fcfb4a05ffe48213@google.com> <0000000000009e1b00060ea5df51@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000000000009e1b00060ea5df51@google.com> Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b="DLTsdr/R"; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=WuJXopWp X-Spamd-Result: default: False [2.66 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:98:from]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=7406f415f386e786]; TAGGED_RCPT(0.00)[28aaddd5a3221d7fd709]; MIME_GOOD(-0.10)[text/plain]; BAYES_HAM(-0.03)[56.17%]; R_RATELIMIT(0.00)[to_ip_from(RLfgkate9mdgitaydm133m7cj1)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.cz:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_TWELVE(0.00)[15]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.cz:dkim,suse.cz:email,syzkaller.appspot.com:url]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Score: 2.66 X-Rspamd-Queue-Id: 3131F1FB93 X-Spam-Level: ** X-Spam-Flag: NO X-Spamd-Bar: ++ On Wed 10-01-24 22:44:04, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit 6f861765464f43a71462d52026fbddfc858239a5 > Author: Jan Kara > Date: Wed Nov 1 17:43:10 2023 +0000 > > fs: Block writes to mounted block devices > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15135c0be80000 > start commit: a901a3568fd2 Merge tag 'iomap-6.5-merge-1' of git://git.ke.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=7406f415f386e786 > dashboard link: https://syzkaller.appspot.com/bug?extid=28aaddd5a3221d7fd709 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b5bb80a80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10193ee7280000 > > If the result looks correct, please mark the issue as fixed by replying with: Makes some sense since fs cannot be corrupted by anybody while it is mounted. I just don't see how the reproducer would be corrupting the image... Still probably: #syz fix: fs: Block writes to mounted block devices and we'll see if syzbot can find new ways to tickle some similar problem. Honza -- Jan Kara SUSE Labs, CR