From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f73.google.com (mail-ed1-f73.google.com [209.85.208.73]) (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 4A976240251 for ; Mon, 13 Jan 2025 19:03:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736795030; cv=none; b=N9d2wIMgEy4NYXdGJ8gdnEBysZ3CCmKD4rjXJm8rn0pUygNGQk6s5SgD/pskZF3ic8NaOdRftejiWntZkaqfvIoGck5R9phlctYSpGtF/AsW6dgFJgCgDhnoULOfTXf+JrWMqepbvlTnK7XiFRi8UjIN1QGUhnsq1PXXjsd5FbQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736795030; c=relaxed/simple; bh=xWnHfkLT1kWpMdUVesBn0DF64jkLrCvk+b5gPYuIeBo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=oZ5CYdw+u3GeKEm7p+0UOhxX+JcTdA0N0pms9Pw7OZOAfjh3lkHez840VaXRCCJoIm9+bs0aTcFfvkgm8ADFHzGqztJPkxTMvAW3jhhfCIlyra8J8pqXceu+Y8Yhi097F9i/Nvd9SuQQwuNvmBoXat5KBYOdCAIstEuASeztYu8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--nogikh.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=rXG5wXww; arc=none smtp.client-ip=209.85.208.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--nogikh.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="rXG5wXww" Received: by mail-ed1-f73.google.com with SMTP id 4fb4d7f45d1cf-5d124077928so3945113a12.0 for ; Mon, 13 Jan 2025 11:03:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1736795027; x=1737399827; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=xWnHfkLT1kWpMdUVesBn0DF64jkLrCvk+b5gPYuIeBo=; b=rXG5wXwwt0qlbe4xJ6lBLKzgWG0DLFojnVxrykgdRS20gsuEnbtL342bYGL3rfvYf3 fANBa5m+6sz5eLrbiCtMk58X1oH7/d/rqJ2yw3W8d4o9UsY/COcaMIsUOcIUy1ab542g wBOjHco3u6Cuc9vAs8AcfzwGKchKHRCKGIkN70GAH6JhyZjCbL+eIa4m2b8q++kSHqYv YFk3OqE2nlw+FCwYI9H+cNI0DMhb7WyZU1sP22Rdx+Ybn9REe+62cOW7yGxbag2TZHuN 8scftwYpyMQyOijf4T/VLz9eQR+Y1UWIAKDyqZ2xxW/xs8Q98qX/pXGMFI3g2ShCrtia c6CQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736795027; x=1737399827; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=xWnHfkLT1kWpMdUVesBn0DF64jkLrCvk+b5gPYuIeBo=; b=Cm7OrOrpYj17Or9CLIBnhNtVPyhY3LaKQXcGSCpXnALezqUZtIMa5vl3UvwhVizcM4 OJktQWeu0djRuB1dXfzSEUtY9r0haRBFcmYJh6YqMDyJWUJEVUXcoeyvy1BaJMAm32PD n0JFtsXaCJ3W2JQE9gzS7YLisb1hBDFp9T9+O64SkVsdPGB7MDjnWYYJzZpXyhBjpQ2E KqLRjWciU0hKVLdhWscVCBsJ5ZoHq2+6gHfuCs3FT30LBDpB8zk88FyLymFV819Yac0C DFqvhLBHzQWMe+DE7CEnq4aYG36a0C64bxAgEwu1CAqkPENaLihnwDfKsSEipbMUcIeu uL3g== X-Forwarded-Encrypted: i=1; AJvYcCXqkTCDjYadWY7iVMvN8sZ6L1lPHoObZTzhAa0yZFfehe/osjGXRoXM7VDHJrpcTQAiPFYAuT5r3O4sF3o=@vger.kernel.org X-Gm-Message-State: AOJu0YznuonKU3+LM+JU3u3UXnF9MO0qRnCLBH7mXCWtcLI/zoWAZfia RA0NDH5XCw9FPM+giR+o+jpl5iX0AvSxQhsMO5c8pTWpYJ7hIcGwLVakNcDlA0K2RlvA/fukOcH flg== X-Google-Smtp-Source: AGHT+IFuF0QM3njW4bhtfn8QOoNCXawj2nMt2IvX0jraBSDusSrsXgG+iK1LE+SHLnGEm/AaDd10Bl0ChG4= X-Received: from edxz17.prod.google.com ([2002:aa7:cf91:0:b0:5d8:dc95:e162]) (user=nogikh job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6402:26c6:b0:5d4:4143:c07a with SMTP id 4fb4d7f45d1cf-5d972dfcc49mr20097635a12.1.1736795027680; Mon, 13 Jan 2025 11:03:47 -0800 (PST) Date: Mon, 13 Jan 2025 20:03:45 +0100 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.47.1.688.g23fc6f90ad-goog Message-ID: <20250113190345.3212479-1-nogikh@google.com> Subject: Re: Re: [syzbot] [mm?] KASAN: slab-use-after-free Write in zswap_store From: Aleksandr Nogikh To: yosryahmed@google.com Cc: akpm@linux-foundation.org, chengming.zhou@linux.dev, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, nphamcs@gmail.com, syzbot+7c26f5c5ca6a61056049@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz fix "mm: zswap: properly synchronize freeing resources during CPU > hotunplug" Thanks for updating the bug! Please note that it should be without quotes and on a single line. #syz fix: mm: zswap: properly synchronize freeing resources during CPU hotunplug