From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (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 318CD3BB4E; Mon, 12 Feb 2024 13:28:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707744536; cv=none; b=ANNKW3F97Cmbh+LDo9dRZcC/b19TqAgGAeoe60D+pvCNspep8ZxDHtw4rNXTEkBAuyPXO1goJumXjSUAfGMhAHsFsjxzTk2SbTsb6dADB0PStbNdgAA16GxePzdzfgKREde+zPXaSS8eeGLo9VuxfYEVCW7Jf8nFMtLinOMqQs0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707744536; c=relaxed/simple; bh=gtNWNqW+p053rHN1mhZLDu6kAzHlUBS/GKYNIgNduGM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qnjN0iz6PzGOADsDW6vlwxHI/36BbVjT82BR3fuhTjCsfDIF+cKh8SkfJdKa4/1vPYXQZFgMSje0OZj1EBLLRRj257o1r3HLpAMSlwDzpAtopOSWrszqNEjmCMN1pnsxTHmiCH/t6Th/qHt5iMcDfVAyefAOXFtuqohnH3a7tzE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz; spf=pass smtp.mailfrom=suse.cz; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b=vR7e3xt/; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=syssijZ8; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b=vR7e3xt/; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=syssijZ8; arc=none smtp.client-ip=195.135.223.130 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="vR7e3xt/"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="syssijZ8"; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="vR7e3xt/"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="syssijZ8" Received: from imap2.dmz-prg2.suse.org (imap2.dmz-prg2.suse.org [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-out1.suse.de (Postfix) with ESMTPS id 5171B21C2B; Mon, 12 Feb 2024 13:28:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1707744533; 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=+ltX91ZleV/4/D3s8Gkh2BZLWSXktt3sddwV27eMAeo=; b=vR7e3xt/E75AmOPL2iZbtiE5Pv5qPfJldpsbxKJndM2kuyBR6NkIE6ktoREoFS6QhcPu8+ xs0JmrO/MT/0R+jeIs1H4c8564/Kr7u7O0ps6IzEq8j4Sj7AeiMSKStSR53QzotlXPigW8 0uuqOTF5ijp9tpjT6IIAZT1w+ZXjeV8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1707744533; 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=+ltX91ZleV/4/D3s8Gkh2BZLWSXktt3sddwV27eMAeo=; b=syssijZ8cvRD+m3WeKBUwB/ecZSftsy+FZWhwLOMixKhuppZrbEpdrE3UtlmhvVjNqYj9y A2/xFvueX0mVwGAw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1707744533; 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=+ltX91ZleV/4/D3s8Gkh2BZLWSXktt3sddwV27eMAeo=; b=vR7e3xt/E75AmOPL2iZbtiE5Pv5qPfJldpsbxKJndM2kuyBR6NkIE6ktoREoFS6QhcPu8+ xs0JmrO/MT/0R+jeIs1H4c8564/Kr7u7O0ps6IzEq8j4Sj7AeiMSKStSR53QzotlXPigW8 0uuqOTF5ijp9tpjT6IIAZT1w+ZXjeV8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1707744533; 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=+ltX91ZleV/4/D3s8Gkh2BZLWSXktt3sddwV27eMAeo=; b=syssijZ8cvRD+m3WeKBUwB/ecZSftsy+FZWhwLOMixKhuppZrbEpdrE3UtlmhvVjNqYj9y A2/xFvueX0mVwGAw== 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 45EDC13212; Mon, 12 Feb 2024 13:28:53 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap2.dmz-prg2.suse.org with ESMTPSA id gU8TERUdymVzNAAAn2gu4w (envelope-from ); Mon, 12 Feb 2024 13:28:53 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id EB326A0809; Mon, 12 Feb 2024 14:28:52 +0100 (CET) Date: Mon, 12 Feb 2024 14:28:52 +0100 From: Jan Kara To: syzbot Cc: adilger.kernel@dilger.ca, axboe@kernel.dk, brauner@kernel.org, eadavis@qq.com, jack@suse.cz, libaokun1@huawei.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu, viro@zeniv.linux.org.uk, willy@infradead.org, yangerkun@huawei.com Subject: Re: [syzbot] [ext4?] WARNING in lock_two_nondirectories Message-ID: <20240212132852.5fxliee4izjkx74w@quack3> References: <000000000000e17185060c8caaad@google.com> <000000000000b9df7e061123f594@google.com> Precedence: bulk X-Mailing-List: linux-ext4@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: <000000000000b9df7e061123f594@google.com> Authentication-Results: smtp-out1.suse.de; none X-Spamd-Result: default: False [2.62 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; BAYES_HAM(-0.28)[74.44%]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[qq.com]; URI_HIDDEN_PATH(1.00)[https://syzkaller.appspot.com/x/.config?x=e043d554f0a5f852]; TAGGED_RCPT(0.00)[2c4a3b922a860084cc7f]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RL9mptuuj8f371ag1nhgyt86ac)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[15]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:email,syzkaller.appspot.com:url,suse.com:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_NOT_FQDN(0.50)[]; FREEMAIL_CC(0.00)[dilger.ca,kernel.dk,kernel.org,qq.com,suse.cz,huawei.com,vger.kernel.org,googlegroups.com,mit.edu,zeniv.linux.org.uk,infradead.org]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_HAS_QUESTION(0.00)[] X-Spam-Level: ** X-Spam-Score: 2.62 X-Spam-Flag: NO On Sun 11-02-24 16:00:04, 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=15477434180000 > start commit: a39b6ac3781d Linux 6.7-rc5 > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=e043d554f0a5f852 > dashboard link: https://syzkaller.appspot.com/bug?extid=2c4a3b922a860084cc7f > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1687292ee80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d8adbce80000 > > If the result looks correct, please mark the issue as fixed by replying with: Another repro that seems to be corrupting the fs metadata: #syz fix: fs: Block writes to mounted block devices Honza -- Jan Kara SUSE Labs, CR