From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 6C208450F2 for ; Thu, 10 Jul 2025 02:31:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752114666; cv=none; b=K9vw24hBybIfAq9rpW4uuwac+50TrexsQ+6rwzKV4RS7D0fDF/v5pbNlgwTYu7NvVQiDHuRIKCrzerMhxo/7n97YUEKvNAx1eXjIu4kEujIdt6NHsSxfm6LHc7LYJJ22qYOsybKe8YlV9hn0cEMoihLUQd8Nsnj47q6E6Ij7il0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752114666; c=relaxed/simple; bh=51AYRj8QKrgue9s974b6uALaEL7i0aZz0fmFYBMefoc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=IPjvn6M+9BRTQhyF0BKTZjaZlNiI08w+X18OiPAWSV4deu0yG0GONwkXyfmSzVre44bWPlxsY0KYP8PHa9OwrGnClle7OgRDZArStasYyql25hHk7GSojhq4zSpbsnTY2x5jJRFq9CcYn3VCI7w47NnenpGbAC/3gk3ZU81Kiwg= 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=209.85.166.70 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-io1-f70.google.com with SMTP id ca18e2360f4ac-86cff1087deso107396839f.2 for ; Wed, 09 Jul 2025 19:31:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752114664; x=1752719464; 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=XDEw9f2qnWnTFtYQYGXI8VzL/jgMXkeeQJTL4uF5l18=; b=cx2fJRxfjWyxVJdBHRh5L2pRrrzE8+CaLNjVALDnpC17i+xfT0mRsyXfseqDcsE8y4 IrYcV9YiCeHox+ze+zvb+AIcfhroWEU1DBqZspQybOZDM53IdhcexmF8FwhhWKAG5A5q WcJd9EVbZBQ70GbIF7MKuCHmknl4uG8xZcKXCT+Dmh8w7CQSovBzvqeO0z225z2qOOKO ddP0dYbhrN8X1tibnG3Ly712TnMu/hX6icjqadugznrIJ1TENGVsyHa60pSe6ybhF5vi 2VXZsgARpREJphul8nWgBN4t3lR4G3+4mRCCZeT2u/9XjDXTDsYuzjNokiSAM33uPli+ NRsQ== X-Gm-Message-State: AOJu0YxwIHlJRiwgjkalRaMsCnlnnd+LvM6FaSC7NvV9UvrIo3fWFuqg U5T4zVjylhEl3M8XLC5F8FmIH1+yccSmNYFalmlenXj5RSFW7O5n8FdZetq6ERXBxAT2hT52EyX 1NShboY2pqTZJ9gvImFfa6J/PiXXc/WUCWNaKbvrBpQ9KhRQTUqFsYB6UENg= X-Google-Smtp-Source: AGHT+IFiFfotYBr79OtNbYK6f6ver5u8S9KOvo45c7L4PyINO10ArQtdltkjnHr0OF8qGzDN6syUHsHwrBDgsd3dBnR+98so1uyZ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:3410:b0:875:b998:7ff7 with SMTP id ca18e2360f4ac-8796627b35emr272099739f.3.1752114664588; Wed, 09 Jul 2025 19:31:04 -0700 (PDT) Date: Wed, 09 Jul 2025 19:31:04 -0700 In-Reply-To: <20250710021243.1547487-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <686f25e8.050a0220.385921.0026.GAE@google.com> Subject: Re: [syzbot] [rdma?] KASAN: slab-use-after-free Read in ucma_create_uevent From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, 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+a6ffe86390c8a6afc818@syzkaller.appspotmail.com Tested-by: syzbot+a6ffe86390c8a6afc818@syzkaller.appspotmail.com Tested on: commit: 8c2e52eb eventpoll: don't decrement ep refcount while .. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17ae7582580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8fa6c6703a4b2315 dashboard link: https://syzkaller.appspot.com/bug?extid=a6ffe86390c8a6afc818 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=14f67582580000 Note: testing is done by a robot and is best-effort only.