From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) (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 40031635 for ; Thu, 9 Oct 2025 17:16:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760030193; cv=none; b=QhndAJsMwk6AJDQE4Rxaqb5S3ccb4U49zoo1xOr+xrs6pm1Usc2BESbwLBLvvfIk9fJSZAo+1HC/CY7cDyK5DqAYrkOzozF/kBZhULgVcXlHQZ1cC3hzk8dNiBSWRE6uezTwmPLAHA+kG4lNee7tw7/QnecSOz/UER/Q5zXcO4E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760030193; c=relaxed/simple; bh=eTvKsfZWSIZw1/7QA+vIwYbOlKcm+qbfHpFsYq87r74=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=e+zwN2yyqA7h4HrNKf988HehDBTnurRDasrKMYnQDWU+/Pwr13CSZZm7ZV92VOB4CDkO7V4ajr4tNktpolSG+luJL7XiM12QEhC4rjrWZ2QVTKUTEeNQec+ywCovbEx8ObO12y9m2KfFnADOCeZmfCHAlc4vb3KoCSs+ESIlrrk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b=dbEp7dvw; arc=none smtp.client-ip=209.85.166.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20230601.gappssmtp.com header.i=@kernel-dk.20230601.gappssmtp.com header.b="dbEp7dvw" Received: by mail-io1-f43.google.com with SMTP id ca18e2360f4ac-91fbba9a8f5so110072839f.0 for ; Thu, 09 Oct 2025 10:16:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1760030189; x=1760634989; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=1dgrxHtWEHMr9Hmc1PtIDiyAxbzIwd/8rFxzt/ZgVmg=; b=dbEp7dvwqQbNVafvpXMQZFK6gAft0KKeAijJ5hQLIxT3t7G6B0CfZEvpl4JjsEGe7e NDh4R+I4XhuzEQ79KdFlm/zVL2IlXZWi0hGO56ka9PpV34RPeszDfxC63U6q/R12UOvD j3iHHtSqLH8b4Q1I2zeMAkGqn3Jlvn5CI3yzMzZbSZdVBYtCue0Uh5Qq10AuAiCAgf1o TbXeeXh8yUQ9b6jGbrs1onH6po0m9YDkgAGxx+vxY0hL0or4BN2q4BqDpBN1DtieKXNv VZRV2qEg2cBCFFn2650EL4fZq9uUZcdHEU2acegfuok21XCELdp5AZ7GuH8/YmcFAf5s 7TYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760030189; x=1760634989; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1dgrxHtWEHMr9Hmc1PtIDiyAxbzIwd/8rFxzt/ZgVmg=; b=Z8Lgfo0j/0S8/WHywqYuwaC+Va8DnuE/ga01Vgp3647KS50PCkoOEXTHHpipxecku8 PK2Ex6LNhqQ4zhlrHsHDpHdRKG+b8Ku0ktLMPLA7EPNnxZv6y8IxcBGWgc6A4NKA1Nek zrj4sP0aisi81EbpHNLCi0QbaykBdVP8LWXeL66Bgm/7/L+xm6W37Z/OCX0MlU3INvkm 6PnDIVsj+zzaNKhOcuYjChtgb2WWoURrkZfUS03T4NwzQDw+AglVEzAYtCnQJIfy1Kw5 5CVMcgVA+0PxFa3/xUo43iNjREN/KzMRDepIBDj7x9L2rNIliIZxYSTm4KY28lHQm4jh Zctw== X-Forwarded-Encrypted: i=1; AJvYcCWDcPGNP5w4bX5ku6ChFMCOufZW79/878Xp+2+VYLYkkp5F3DWlF69DkHeyTtDhoFFh3i1uMFTtTA==@vger.kernel.org X-Gm-Message-State: AOJu0YwZn33wvrHdZP4GJH+Qz4GdW7dCW5qTFtit4bJrXtMZPhXAfvsA 8yNxBhUTUu7LZIBIpzG2aSB2mzvH98fkt4Z3mAFeccG0qmjhs0reHk3FBRD+3XFcuPA= X-Gm-Gg: ASbGncsPSoreqy/eBH2uga99S0ek3xVqlWxQMuxZnch0HhJ26DzwUmusE6Wp8fDO2qN 49oaY5odkWnMMJWNUJMQKxS5m1sAXpatH2/p1Gr5xJgs/HUfMmZU06gZcBR1tqbj8vlpTNn6nww T2lYZ0BOkb46Bf5g9H3VpgSe0wyc4GCofsiTD5/bFP7XwxppCkW+wljCwdJpcpsRBP5o0rQQtCu 7Jzij2AUgGUiYFFn40PDXlsZMrnw3VRY7WOVkbCZ8wp6pTMu/lLt5br6Jn1N8TKSzksOnpj4vag GgZNCAmV4FtJnlyCur3Gbt2MIjqsdgU6i1Re8sTnlHnjsmTbvu4DRJc0g1Fw6sBR7rQKYxeOPpD 6bsjyhsb1s9U+V/sTuWEeM2IGJYFQv/fOsH/kJslRAe2wXEfB66zheQ== X-Google-Smtp-Source: AGHT+IGKPdE2x2LdF7TdjzoNbTWXrqAezlnnNapsUBSI3DIyl8MC6bA6FwIbz3FT3WNkp1tcJdzaQw== X-Received: by 2002:a05:6e02:1488:b0:42e:2c30:285b with SMTP id e9e14a558f8ab-42f873d1c4bmr70129165ab.20.1760030189113; Thu, 09 Oct 2025 10:16:29 -0700 (PDT) Received: from [192.168.1.116] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-42f90278522sm12625795ab.13.2025.10.09.10.16.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Oct 2025 10:16:28 -0700 (PDT) Message-ID: Date: Thu, 9 Oct 2025 11:16:23 -0600 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [io-uring?] KASAN: slab-use-after-free Read in io_waitid_wait To: syzbot , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <68e7eca6.050a0220.1186a4.0002.GAE@google.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <68e7eca6.050a0220.1186a4.0002.GAE@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git syztest -- Jens Axboe