From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 750B250271 for ; Wed, 1 May 2024 10:13:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714558386; cv=none; b=ShZjAZOrxQTdmgRLW+dwyKLsrWe2KHQYG49DPIJx3ydnC7fRdaQxCNCcEPAIP4/WbSCmmu1nHyaKORgANyaPXZsFEDvrdlic/XygFoDY9JO/cnEZCYslEyQQGjbpPbXicQF9EscvIo5ulHO5PpAJAKprxPOhACHmYZJUyBLVTiQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714558386; c=relaxed/simple; bh=pioStqYgJf4OhfpIfNUBBQv8F95pBysErxaAtFAHqdg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Eb9p3zLeJkiAaqQ3weOnM1lXMZ6myYccpeVZue/w76DWllj5b5XZdiR+rYoLH2TWKfl5xu67KdkniNIIisApG9SrduNYEQWpbmT/jcsPdsI74TnU0oduKLTZXGTfmcbV1NIHTqh3aD63NxtDOtFqFwQMFhir+JThLdl7E+5pSg0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-36b3c9c65d7so64500345ab.3 for ; Wed, 01 May 2024 03:13:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714558384; x=1715163184; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=KMqmzGESuSD+ENSY1XUPSg+1oJAARhOnJzLdofJdJTw=; b=IMrdz4GTc5LYki2rkNsdbB+vgeFfjRXTQ/tqvAs6Qwxqf2y+cdlEKxL7OMNEGytd6a yyaaIuihINYz0SPEL6zcfFNeo22Ivo40Bcfhei4iSMGGkaF7HEri1Xlj8q/NtDx7ZEFs CXZe6i9F0C6+jBDRDGiONvr/VDIP0cECMXZmR4zBM9WEeBjRwa7wuH9OyGGhDXQsoH62 apt7fHLuN6tpuQzFz2kxUIBi6RYAFPl8xbyQ4QJOnspMgjk2qlnfLMGz06s1vTpDTJ0Y QOI2xuzkjG0/2FGH39dTS/d+b4MQtUJercq5aE6sZ99c/rB/XdoVGhnQUYFS5tU5ed8E e31A== X-Forwarded-Encrypted: i=1; AJvYcCVZBGijjtuEa68ACX5C6Q6PdJVVnfyG4MptLxBjScicGgxpoer2w/vgvxtS9Chtkd0cT0eVnfXzDEpw7HmRzJDE6BtoiX5g7gX3Vzka X-Gm-Message-State: AOJu0YwzN7+ooe/HxRxELJ28RB5CWZignKnxx7fspcjxxOlsprpA55Zb yX7VziPLGYTorXRHTrZ4MtFgfyUTYDwkYW6YOlk8bo87MN/NeZXOMdqnNTFoo5YsNVveqYM5KaN PmNF24qpq40RJcO+0H7r2dx3ODjHKlCOjCiB5FCPP8Hwcq98KYaq+C9U= X-Google-Smtp-Source: AGHT+IHSxfTaFhEyc6O91SDuuZui0/DOLGDLleC9mLbJU0/nthy047nsy/eSscQeHpLz94vNG8ePRszCwEPWJvmkYevBfJ12SMsY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2199:b0:36c:2ed4:8d4c with SMTP id j25-20020a056e02219900b0036c2ed48d4cmr167516ila.4.1714558384654; Wed, 01 May 2024 03:13:04 -0700 (PDT) Date: Wed, 01 May 2024 03:13:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000076e6f5061761bb3c@google.com> Subject: Re: [syzbot] [net?] [virt?] [kvm?] KASAN: slab-use-after-free Read in vhost_task_fn From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file kernel/vhost_task.c patch: **** malformed patch at line 14: @@ -508,7 +508,7 @@ static inline bool lockdep_softirq_start(void) { return false; } Tested on: commit: bb7a2467 Add linux-next specific files for 20240426 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git kernel config: https://syzkaller.appspot.com/x/.config?x=5c6a0288262dd108 dashboard link: https://syzkaller.appspot.com/bug?extid=98edc2df894917b3431f compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=167125a0980000