From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C0C0329C60 for ; Thu, 3 Sep 2026 03:15:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788405308; cv=none; b=WrmEODVJhzZ8esAHsJolhDBq501Ndo8Xb7yg5H9fGJQ8Va3nydR6/gWjfDRxW2+pDJKxH+A7q9R0mZVvzg1sqk+OKfcSyBjY1POgcbmfOy/e6gHorlizKhmMcihc2Cwsi2RUyHFJ4KMcJHY23jgLtCKCiRjRTA2WGCnX1P2Nu+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788405308; c=relaxed/simple; bh=HVaqmg8FV1YZ0q2hhsoEALM5vnRSY6kXKAfukQJc6dk=; h=Date:From:To:Cc:Subject:Content-Type:MIME-Version:Message-ID; b=I1l30l0LIenZug9zqHT4uNRsSl09meYgptXtslwKD1lujm7uUbArsSIU/cn+q4/Z2x4SJF7i7r2aabkl8/z3D5tK0Sq+Krhtr1wC+OZi/ac9rO9BSKvZXVZyZd4YiZLREHuD3Tw/q9kw+8yY7IFDQY5oOvxscd+PFMsbSlA+xXw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=mc1CDzvj; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="mc1CDzvj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=HVaqmg8FV1YZ0q2hhsoEALM5vnRSY6kXKAfukQJc6dk=; b=m c1CDzvjINjEcW2elr9Tp7veyQoq7G4J/7Klzg1/ANOcz385GzSUHR51FbBW49IwM vUYquoZ5cTGtMl6FJ3giKQUQliYC6igTZ5j6yiF9LJTW846iHWIOtj6y89blipE8 mRjMeaH65N3vieIi6CK1nm9IZTTkphh1WVwwdhJ5ow= Date: Thu, 3 Sep 2026 11:14:28 +0800 (CST) From: CJ To: jaegeuk@kernel.org, chao@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzbot+0b1e85354f790743db08@syzkaller.appspotmail.com Subject: [BUG] f2fs: possible KASAN use-after-free in f2fs_iget on v7.2-rc3 X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com X-NTES-SC: AL_Qu2TCvibukot7iacYOkdnk8aj+g+UcCwufkj24Bfc+8GgRv84DoEfW1FPnbL6uekLwG0vT6TaBlX0txmU4J4jMFR5/diWdSgtB0CSgq1zQ== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: X-Coremail-Locale: zh_CN X-CM-TRANSID:kygvCgDXPzcV5phq5FI+AA--.6945W X-CM-SenderInfo: piluvw1o1qikqy6rljoofrz/xtbC+hV-MWqY5hV0+QAA3t X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkhpLAoKSSBhbSByZXBvcnRpbmcgYSBwb3NzaWJsZSByZWN1cnJlbmNlIG9mIGEgS0FTQU4gdXNl LWFmdGVyLWZyZWUgdHJpZ2dlcmVkCmJ5IGEgc3l6a2FsbGVyIHJlcHJvZHVjZXIgb24gTGludXgg Ny4yLXJjMy4gVGhlIGlzc3VlIGlzIHJlcHJvZHVjaWJsZQp3aXRoIEhFQUQgY29tbWl0IGExM2Mx NDBjYzI4OWMwYjdiMzc3MGJjZTViM2FkNDJhYjM1MDc0YWEuCgpUaGUgcmVwcm9kdWNlciBtb3Vu dHMgYSBjcmFmdGVkIEYyRlMgZmlsZXN5c3RlbSBpbWFnZSBhbmQgaW52b2tlcwpvcGVuX2J5X2hh bmRsZV9hdCgpIHdpdGggYSBtYWxmb3JtZWQgZmlsZSBoYW5kbGUuIFRoaXMgcmVhY2hlcwpmMmZz X25mc19nZXRfaW5vZGUoKSBhbmQgZjJmc19pZ2V0KCksIHdoZXJlIHRoZSBpbm9kZSBhbmQgaXRz IGV4dGVudApjYWNoZSBhcmUgaW5pdGlhbGl6ZWQgYW5kIHZhbGlkYXRlZC4KClRoZSBhcmNoaXZl ZCB0YXJnZXQgY3Jhc2ggcmVwb3J0IHNob3dzIGEgdXNlLWFmdGVyLWZyZWUgcmVhZCBpbgpzYW5p dHlfY2hlY2tfaW5vZGUoKSwgY2FsbGVkIGZyb20gZG9fcmVhZF9pbm9kZSgpIGFuZCBmMmZzX2ln ZXQoKS4gVGhlCmFmZmVjdGVkIG9iamVjdCBiZWxvbmdzIHRvIHRoZSBmMmZzX2V4dGVudF90cmVl IGNhY2hlLiBJdCB3YXMgYWxsb2NhdGVkCmJ5IGYyZnNfaW5pdF9leHRlbnRfdHJlZSgpIGFuZCBm cmVlZCBieSBmMmZzX2Rlc3Ryb3lfZXh0ZW50X3RyZWUoKQpkdXJpbmcgaW5vZGUgZXZpY3Rpb24u CgpUaGlzIGxvb2tzIGxpa2UgYW4gZXh0ZW50LXRyZWUgbGlmZXRpbWUgaXNzdWUgaW4gYW4gZjJm c19pZ2V0KCkgZXJyb3IKcGF0aC4gQSBzdGFsZSBleHRlbnRfdHJlZSBwb2ludGVyIG1heSByZW1h aW4gYWNjZXNzaWJsZSBhZnRlciBhIGZhaWxlZAppbm9kZSBsb29rdXAgY2F1c2VzIHRoZSBpbm9k ZSBhbmQgaXRzIGV4dGVudCB0cmVlIHRvIGJlIGV2aWN0ZWQuCgpUaGlzIGFwcGVhcnMgcmVsYXRl ZCB0byB0aGUgZm9sbG93aW5nIHByZXZpb3VzbHkgcmVwb3J0ZWQgaXNzdWUsIHdoaWNoCndhcyBv cmlnaW5hbGx5IG9ic2VydmVkIG9uIExpbnV4IDUuMTU6CgpodHRwczovL3N5emthbGxlci5hcHBz cG90LmNvbS9idWc/ZXh0aWQ9MGIxZTg1MzU0Zjc5MDc0M2RiMDgKClJlcHJvZHVjZXI6CgpzeXog cmVwcm9kdWNlcjogaHR0cHM6Ly9wYXN0ZWJpbi5jb20vcmF3L0xHQ2JZaXFMCgpjb25zb2xlIG91 dHB1dDogaHR0cHM6Ly9wYXN0ZWJpbi5jb20vcmF3L0Z6U2VjRmJUCmtlcm5lbCBjb25maWc6IGh0 dHBzOi8vcGFzdGViaW4uY29tL3Jhdy9QWnNGNTYyVgoKS2VybmVsOgoKSEVBRCBjb21taXQ6IGEx M2MxNDBjYzI4OWMwYjdiMzc3MGJjZTViM2FkNDJhYjM1MDc0YWEKZ2l0IHRyZWU6IHRvcnZhbGRz L2xpbnV4Cmtlcm5lbCB2ZXJzaW9uOiA3LjIuMC1yYzMgIzEgUFJFRU1QVChmdWxsKQp0ZXN0ZWQg dGFnOiB2Ny4yLXJjMwoKTGV0IG1lIGtub3cgaWYgeW91IG5lZWQgbW9yZSBkZXRhaWxzIG9yIHRl c3RpbmcuCgpCZXN0IHJlZ2FyZHM=