From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 8FD5A2E419 for ; Thu, 28 Mar 2024 17:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648685; cv=none; b=B0pnXpB/1Oi3o1nvSyfMtU7kjsZcio6C/D3Lox8LmJmS4b//WCFylaF/Uas8SI2ukvcZZBaUdGTnNBNsoT/a63C10H+Rff1p6kXLr9ntm3Nc7uPMcnTiVMVBLiAik0ZUgJWoCaZNDLz6CY2LNQr7Mz9g95CR6sWiFSloGZHFIDA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648685; c=relaxed/simple; bh=e33f1zu3vbWvwYjSYF1ryczn/nFURhbslU5Hha2T5Xo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=tg1d0A9+mJ/1xYcwuoFdo6mF28bk2DiPw3D9qdhsfXDDcRsC0ih37c6vrDZLmKxyJiVjWsOSmG/vyHCz1i7urfUEI/nHZiH+SVqzll6y/LsyvUCqNq3Rib2slNh7L5RQFVIrxY3zPy3bRxwxDKZT//v4x0bByNndFk7Ku5vjLew= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-368a49f06f1so10011665ab.3 for ; Thu, 28 Mar 2024 10:58:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711648682; x=1712253482; 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=NLoI1Qo78EUgwensIP+N+szVawqwkOKBfwGvZdj7Oes=; b=E3DeAMhAu0zx5fEAP3JhQSE2MtxLDYtfxiQ8e2MEMBeBw/M+aw7/x7f0CtdEJaP9KF EiR4g/enp/tMpepNI29sLXX3K6OQfQEIoixYCxsaTtGpVZrAC5eyASxY8fjTD8atFgls oD7fr1U0+bxtRHFGdC2UdVfddha24DUgGv3wFt3i5wRwkQeEm4Z7OMS5hmd2BOvc4eFG z4jaqtHH/hgvo1lpOk7G840r72ojHWzWq+FP4wKT+v6I46tvJJt/TBs7xwKnTn0K67gH 0Q1e5SItLb87RTXeIqX3VbdW8vnKUB3I+4vcg042TR6y9lNlFwwSY36wo5X5PswQCX58 ZdIw== X-Gm-Message-State: AOJu0YwmzlEnyFiJKXRqBeCSXMri51moI/YfnV/4Y1OIC+HuzJN+IoCb y0VJkpU+s0B/TiS9e7aX/LDJaN2njQpDP0VgozWgMdMl9CF8pmRCTcKhV2nQ9Fs+drfSZcPRNit 7WoKbl3UsSgxI8xhtiYFV1PqeHSvOGi4zkZVE9hefFb3NmZN+js/e/fWwOA== X-Google-Smtp-Source: AGHT+IFac7TwNbN4+qFYVsJ2dhsCE2VxB9t2Tb7QL1Bci+s98Cfo+2nh/FylayoHNO3uj0ePLEl2QSKbr4QVK5yjpVdxGg2XFBUi Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d04:b0:368:a8b6:2a7a with SMTP id i4-20020a056e021d0400b00368a8b62a7amr52583ila.5.1711648682780; Thu, 28 Mar 2024 10:58:02 -0700 (PDT) Date: Thu, 28 Mar 2024 10:58:02 -0700 In-Reply-To: <2f61db11-f3f1-4574-b510-dce42763863f@linux.dev> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b7bdd80614bc433f@google.com> Subject: Re: [syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_lookup_elem From: syzbot To: linux-kernel@vger.kernel.org, martin.lau@linux.dev, 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-and-tested-by: syzbot+1a3cf6f08d68868f9db3@syzkaller.appspotmail.com Tested on: commit: d8889e86 bpf: Mark bpf prog stack with kmsan_unposion_.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git interpreter.kmsan console output: https://syzkaller.appspot.com/x/log.txt?x=10385eb1180000 kernel config: https://syzkaller.appspot.com/x/.config?x=e6bd769cb793b98a dashboard link: https://syzkaller.appspot.com/bug?extid=1a3cf6f08d68868f9db3 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.