From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.167.200 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793105223; b=pccAtSxeOD/Vji/fWGyfMrFto/S7WkzYiQobuqHrhkAvfjqv/U6EtQLx9G1UYrJWDQVP 8I4QhtpSjRJVj2cCjFOZaaBJhpU1BBFZvdBAF/BjCUmuZOLk1WY3KCCnBfNOAbIro2Er7 Q9B/xwLX1fIxgMsvjGqJO3x0z0ADqX8tIoit/YDU/02/l72ZvVPct/lHeXjeZv5iCtJXD Bnf2FFBP2PYfM/jfoJn+2FLJ2/ytdzhhRq3oQjz1vOxZntEt0PjRHnLv9vs0GYqt9skb6 KSk2k5IsPe9qEX/SwDV6sAfyIqx/O1AdQwdiq4gQJ7AOcpRhx+T3FqEhGI6X4ZlBufw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793105223; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:MIME-Version:X-Received:Date:In-Reply-To: X-Google-Appengine-App-Id:X-Google-Appengine-App-Id-Alias:Message-ID: Subject:From:To:Content-Type; bh=4oatTXMsciMaV01MgWRGz51vE3ilcbjFp2nhhAdcZ0Q=; b=OgbD9KWWSlrCAbGhy6Rz6eA+xG7xxMO6TVcOipzOK7YLjKHcHYWOzOJ3DD43O708rJGL yH/28NVJrb2GFsawEwBHV308Nmup7aYqfvNfNIJmpsyjRY22hFMfqwpoFp/yxNJ2kljQt bSjIaVKCNL+hX/HV0NEJPyX01iTeuedqyqJgL/Y1b6C8YYGCxC7f3tBTSu5vL6+IJtukJ vXZE3TyLyMJqkSOC5SIGTNMB9Lrcs92/XzonZrq6nC/x0uTvlBQvEGO7sfSKHAGKn2NB9 zOyFEbISH1AlNFfoEDAMsPyUkKwoNm87AnIwFdHregJPNj/resgW37RpDH6mB8RpXRA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.167.200 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FDB2606A31D for ; Tue, 27 Oct 2026 12:47:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 2FDB2606A31D Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-4f2040e10d8so3734882b6e.3 for ; Tue, 27 Oct 2026 05:47:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793105222; x=1793710022; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=4oatTXMsciMaV01MgWRGz51vE3ilcbjFp2nhhAdcZ0Q=; b=fXAoIRcrR17AcsbBCDJ7gzUX/lJphpCbad5So7v9B3HKpJM6cDlIjL7Sx5VBBjTK41 UdyAoM51wQ9sa/ZDK6hd4+I18QIHSq8BaOZqv2Pv3VeYjjeTHPKoFHUKB3RCl7Npt9bl NvIBTFrkm1xzGAjyHLZPbz9zWoXDRgWkEo3p6f2csc1pJCFk1owDXfwkpvhGh6GwCj+Z aCU+gBEqRIRMZQ1LmXG0ywt3eGFwfgtq7MFqxxHHbtfvz/WgbPOhC7EP7wW9WuEd1ycf REzVJ0E9RLTa1W+qKjqp1Ob6TlrroKkAPBZlIgBoCF6LqYrXNuViy0HaDzY8tn+GIYio ePew== X-Forwarded-Encrypted: i=1; AKwUvByGLH0NsHWtzzUZHtK64qKPcPcG0Vid6xU785hJv8iDVTvLUVVLE/3/NL5ptZWPdIPbu7R1GA9RX9rfMeI=@vger.kernel.org X-Gm-Message-State: AFq9FYI7eo9c0SLbHiax6vBfeVhmk5U1xQhx74STvelJaIDtS143kfQJ vdrr7Vb7W7sBEhdjzreQV8Deowe1+aO7FBYXM5UuRtnoTKKVk6CTJohZZHfDRM4UpSCOY8Ak4BS a+JpludzcabBfEZqQLAJoOH7PoqpPboc3f3EcsLj4hxbCQsSkQIK/3NFGOSY= X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:3082:b0:4e4:86b1:f7a0 with SMTP id 5614622812f47-55c003d655dmr8926540b6e.53.1793105222110; Tue, 27 Oct 2026 05:47:02 -0700 (PDT) Date: Tue, 27 Oct 2026 05:47:02 -0700 In-Reply-To: <20261027122202.279516-1-diasyzhang@tencent.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ae09d46.f0fe5aea.79aa1.0093.GAE@google.com> Subject: Re: [syzbot] [dm?] KASAN: slab-use-after-free Read in pool_ctr From: syzbot To: diasyzhang@tencent.com, diasyzhangqing@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+83827f9a59abe148bff4@syzkaller.appspotmail.com Tested-by: syzbot+83827f9a59abe148bff4@syzkaller.appspotmail.com Tested on: commit: d135ab45 Merge tag 'backlight-next-7.4' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10349d31580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c899018ccfbe890a dashboard link: https://syzkaller.appspot.com/bug?extid=83827f9a59abe148bff4 compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=168ad53e580000 Note: testing is done by a robot and is best-effort only.