From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=195.135.223.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793470021; b=2yJ7DAjRklzH9UIOCXEdHbNSXJ1iX39+eGBbBUvVEGFMDgzuV2HfqXDe2k03MLBux1m4 c5t/X4hRtPz/P6tDTk5h8OTvuf+dPFs/HG0+TwWLPM50K4vGGb+vdHpq4HelhJpgDkdGK 93JbqEgXlvhrrWb4SfatkEGIYszQxCeQayup7CJSPRfaQbJIkqqlEvsV4avbnbkQQJGyP XNo3huydtmw10aEy2pDe4SDFDdmLkXwidmw+sWC7pXMCf46kKLv4bqnEVBjKf9evl5cA3 AvH4qcmaERuVK4ChmiTCW7TKhCjPg7YtFLditZrM82ZMps82/zdz++s58+JGJLKtsTg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793470021; h=DMARC-Filter:Received:DKIM-Signature:DKIM-Signature:DKIM-Signature: DKIM-Signature:Received:Received:Date:Message-ID:From:To:Cc:Subject: In-Reply-To:References:User-Agent:MIME-Version:Content-Type: X-Rspamd-Queue-Id:X-Spam-Level:X-Rspamd-Server:X-Rspamd-Action: X-Spam-Flag:X-Spamd-Result:X-Spam-Score; bh=97IOB3KBTBB1Ps/2cLF9xPpHL4RwmRxv9hOhGLTCjyg=; b=Ipd+YBMfxvt0/O0rFgBDGmnrKC6kJbiUe40o5lUWTz+tECD/6kwxGmiAPKB27/8RM13J 2lnDDVJt1yaLjQ2GgZVm97P8O7g90VlSWqliCLbLjR4tJQ5aSafXuqp5YMcK7M6PFRyML LjYOMM7qKQug/s57L8dnLrDrcWZ7G1y8DImtnMUxZCwd/PxSkm/c92jHP5Ks2IG9CzJYw 7HtsgaApBXdxdRD3K/FOGaDc0jKSGS/jbr1DeMQFnu19QvpnjSmfcXJHTYS6PiEh/Dmgx s+Gv16nQYgqmCkWZSzt+rFtMYojuLS/cCuTAKjtWVlPiBgMkDqLNAj6BMEuTUghRPYQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=jo5nDAaT; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b="HxfRsX0/"; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=rdH8j4qU; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=Y3rkQQpE; arc=none smtp.remote-ip=195.135.223.131 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1202E606A31A; Sat, 31 Oct 2026 18:06:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 1202E606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=jo5nDAaT; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=HxfRsX0/; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=rdH8j4qU; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=Y3rkQQpE 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-out2.suse.de (Postfix) with ESMTPS id CC9F31F455; Sat, 31 Oct 2026 18:06:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1793470018; 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=97IOB3KBTBB1Ps/2cLF9xPpHL4RwmRxv9hOhGLTCjyg=; b=jo5nDAaTyTWI6uwUrCeMqMhZ/hgiY2SNWwCnffGMhS6aJnFO+GtDa89vKSQt5/jrV8eF1H oIDjukkZtSRqO5OmAzfDdf5Dmwxbf0z9k78ONQHlydYmShAS961+6VOt4DekPjnDXbTL1s C2u2e9LhJDBXMxgQc3JyalLLwPof3o0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1793470018; 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=97IOB3KBTBB1Ps/2cLF9xPpHL4RwmRxv9hOhGLTCjyg=; b=HxfRsX0/ov2IzgFPF32sXxXmFrzJrxw3qo21Uthrw12MMCEVcumHVGU/hYj6oU63DIdlAF i6dXwXbzJ/7RSkBw== Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=rdH8j4qU; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=Y3rkQQpE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1793470017; 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=97IOB3KBTBB1Ps/2cLF9xPpHL4RwmRxv9hOhGLTCjyg=; b=rdH8j4qUwi8yIGUAhg/XKg40NZZeCpwMQP7reyIcg5Hg1dM+Jrs8s6/G/CEp8KMePlD1t7 BHGzduQaqG/EDuIQrRkQOYP4R7huc/ZmPoh4oNExha/VR0EGAxtSir7tODIhMpSjlUKewK 9NtEa9heqjxx8tx46PtBnvC5u+VVmA0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1793470017; 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=97IOB3KBTBB1Ps/2cLF9xPpHL4RwmRxv9hOhGLTCjyg=; b=Y3rkQQpEzl3MOKhjWGO/FbcwkHBouWaOopxgu3R9vVvYYUm5RncxqpBJjZ6Hr9McvR54tX w15QZ+L+ad6QenDg== 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 7D90113432; Sat, 31 Oct 2026 18:06:57 +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 QNYnFUEu5mrgKwAAD6G6ig (envelope-from ); Sat, 31 Oct 2026 18:06:57 +0000 Date: Sat, 31 Oct 2026 19:06:57 +0100 Message-ID: <874ie1rbge.wl-tiwai@suse.de> From: Takashi Iwai To: YuanZhe Liu <25031212351@stu.xidian.edu.cn> Cc: perex@perex.cz, tiwai@suse.com, Takashi Iwai , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/1] ALSA: bcd2000: fix use-after-free of MIDI URBs on disconnect In-Reply-To: <20261030.pref-21.8c455f52f06f402f@stu.xidian.edu.cn> References: <20260923103116.1666-1-25031212351@stu.xidian.edu.cn> <20261030.pref-21.8c455f52f06f402f@stu.xidian.edu.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: CC9F31F455 X-Spam-Level: X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Flag: NO X-Spamd-Result: default: False [-12.51 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received,2a07:de40:b281:104:10:150:64:97:from]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.de:dkim]; DKIM_TRACE(0.00)[suse.de:+] X-Spam-Score: -12.51 On Fri, 30 Oct 2026 18:37:13 +0100, YuanZhe Liu wrote: > > Hi Takashi, > > Could you please advise on the status of this series and whether any > further work is needed, considering the related upstream fixes? > > [PATCH 0/1] ALSA: bcd2000: fix use-after-free of MIDI URBs on > disconnect > > The series addresses MIDI URB lifetime on BCD2000 disconnect. I noticed > the related upstream commit below and would appreciate your guidance on > whether this series is still needed. > > Related upstream fix: > https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux/+/459d3a64766f5ca2f1886daeaf24582831a5f5ab > > I am copying this address for visibility. > > Original submission: > https://lore.landau.one/lkml/20260923103116.1666-1-25031212351@stu.xidian.edu.cn/T/ The patch doesn't seem applied cleanly to the latest code. If the fix is still valid to the latest code, could you rebase and resubmit? thanks, Takashi