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 906D91BFE00; Tue, 27 Aug 2024 16:03:45 +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=1724774627; cv=none; b=ZlM6Cy57bvOavjgTWZuOZnm7osR4gH8FT7llPE1wAVuZXgAfkdvyhf4M7LpjUMODAUZh8x8qt/53pzxSP5Qe/Qg48zx4V6v9BoUgPxYt8GW08IOoWi96Plk11J/CMY+zRzzPffvwnolJ0DdWQX2NuBXMaf2Zu465wk9SExeLZMg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724774627; c=relaxed/simple; bh=R7ILmJPieSrdKrj9WN95aD2sNlqQE96fQOp/anLClBA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EzbWXmZalwGz21ESOklQo9Fglyrj9Z5V6bEBI6AGK0vwBeWaMu0Bat0dxDIQoFPkwkpeQz5bhJPQCv4qLxRzfIIminceDryzbytbLK3MCGOlHiEzoWtUGUFcGuVDAYmxRq5cBa7PhizNclgbdBHX0Yadw55sm3qIfMgkfjaHMl4= 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=U5b0bDY7; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=QgrGA6oE; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b=U5b0bDY7; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b=QgrGA6oE; 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="U5b0bDY7"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="QgrGA6oE"; dkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz header.b="U5b0bDY7"; dkim=permerror (0-bit key) header.d=suse.cz header.i=@suse.cz header.b="QgrGA6oE" Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (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 7B7DF21A6E; Tue, 27 Aug 2024 16:03:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1724774623; h=from:from:reply-to: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=R7ILmJPieSrdKrj9WN95aD2sNlqQE96fQOp/anLClBA=; b=U5b0bDY72u7IAAc0Fx488byf/0TfBjPsObV2tt+mf1LLDuGldDH53zMoayQWMi6wB6SkKq pdKNItUnNZypZ1+4Tz90o6J5OmRTqt/5M41uytoHtNMpEUjl9GxXcsHkvZSZ1bexKwMm6H u6xprYLCn644H7WzMZWZif1gUlQRT0c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1724774623; h=from:from:reply-to: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=R7ILmJPieSrdKrj9WN95aD2sNlqQE96fQOp/anLClBA=; b=QgrGA6oErQTC3pZ+4Pp0JLH9C4N3F5IglUDvrw1zH8qJOxaW4Ujswrh97t4u9SgvQKCeIH gbsyNX9nlahM5dAA== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=U5b0bDY7; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=QgrGA6oE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1724774623; h=from:from:reply-to: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=R7ILmJPieSrdKrj9WN95aD2sNlqQE96fQOp/anLClBA=; b=U5b0bDY72u7IAAc0Fx488byf/0TfBjPsObV2tt+mf1LLDuGldDH53zMoayQWMi6wB6SkKq pdKNItUnNZypZ1+4Tz90o6J5OmRTqt/5M41uytoHtNMpEUjl9GxXcsHkvZSZ1bexKwMm6H u6xprYLCn644H7WzMZWZif1gUlQRT0c= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1724774623; h=from:from:reply-to: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=R7ILmJPieSrdKrj9WN95aD2sNlqQE96fQOp/anLClBA=; b=QgrGA6oErQTC3pZ+4Pp0JLH9C4N3F5IglUDvrw1zH8qJOxaW4Ujswrh97t4u9SgvQKCeIH gbsyNX9nlahM5dAA== Received: from imap1.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 imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 5638813A44; Tue, 27 Aug 2024 16:03:43 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id i9bTFN/4zWbQMAAAD6G6ig (envelope-from ); Tue, 27 Aug 2024 16:03:43 +0000 Date: Tue, 27 Aug 2024 18:03:41 +0200 From: David Sterba To: Fedor Pchelkin Cc: David Sterba , Chris Mason , Josef Bacik , Boris Burkov , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, syzbot+81670362c283f3dd889c@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: Re: [PATCH] btrfs: qgroup: add missing extent changeset release Message-ID: <20240827160341.GZ25962@suse.cz> Reply-To: dsterba@suse.cz References: <20240827151243.63493-1-pchelkin@ispras.ru> 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: <20240827151243.63493-1-pchelkin@ispras.ru> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) X-Rspamd-Queue-Id: 7B7DF21A6E X-Spam-Level: X-Spamd-Result: default: False [-2.71 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; HAS_REPLYTO(0.30)[dsterba@suse.cz]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; ARC_NA(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[suse.cz:+]; REPLYTO_DOM_NEQ_TO_DOM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; REPLYTO_ADDR_EQ_FROM(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_RCPT(0.00)[81670362c283f3dd889c]; RCPT_COUNT_SEVEN(0.00)[10]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.cz:replyto,suse.cz:dkim,suse.cz:mid] X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Score: -2.71 X-Spam-Flag: NO On Tue, Aug 27, 2024 at 06:12:43PM +0300, Fedor Pchelkin wrote: > The extent changeset may have some additional memory dynamically allocated > for ulist in result of clear_record_extent_bits() execution. This can happen, as clear_record_extent_bits adds more data to the changeset in some cases. What I don't see yet how it happens. An extent range must be split so that a new entry is added with different bits set. This is usual thing, but why does this happen with the quotas disabled.