From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 037F412E48 for ; Tue, 16 Apr 2024 03:01:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713236511; cv=none; b=NkwEbwY87zjlzAqJYluo9a3KhP8VLjeOoM0VXjE902nH+/nUxpBkdZ9lFUoJMiB/n9GCLh0MQwCum216X4kEII/R2VieDIxLEPIJxr+bahYPBEFmO8WRKerPLpiwDr7L1er/8Vl02X4FNE+8dzXj+z50iy4zIpi4JstCvgMpceg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713236511; c=relaxed/simple; bh=Br6Ou/WGiE4L3r5q+jkcsX0jnL8WlNCtlfINHIQtZQg=; h=Date:From:To:Cc:Subject:Content-Type:MIME-Version:Message-ID; b=FZxDcABS3ACcZPGvskFUCjgfO7SUyQZbT19AbYBu5JLUjIR2Jx5eIw6iW/ILLu6trD8zGNpshtrqSnfGhhm8y5+ufD4J1TOqbuvyrrvcf/emMU++iR7dKCIfsopOLEDP3DMIcF3C69bK57OuG6Rlp8vYu5yX3IZxNN5OnOEqNbM= 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=fail (1024-bit key) header.d=163.com header.i=@163.com header.b=qQEPvz6c reason="signature verification failed"; arc=none smtp.client-ip=117.135.210.4 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=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="qQEPvz6c" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=9J9reVZTPFkLRFA5VGw3bvsf2CDWdiWJhYt08cY390s=; b=q QEPvz6cdl6cd11EkN1kcYpXsjvNC0dz8X9JJn8S0axNRfrhRPCqNyKkiP6oKxz8F 7rUXqfld96tJoucoaoj60jnVKquTTOoxzEo9z1mLhijPwSCb37F5tzf6btkOeOW4 37XMhy8CKihYt2zEYXT19+40j95iG8VuifN/2EfOVU= Received: from congei42$163.com ( [159.226.94.118] ) by ajax-webmail-wmsvr-40-126 (Coremail) ; Tue, 16 Apr 2024 11:00:25 +0800 (CST) Date: Tue, 16 Apr 2024 11:00:25 +0800 (CST) From: sicong To: johan@kernel.org, elder@kernel.org, gregkh@linuxfoundation.org Cc: greybus-dev@lists.linaro.org, linux-kernel@vger.kernel.org Subject: Bug report: greybus/interface.c: use-after-free bug in gb_interface_release due to race condition X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20230109(dcb5de15) Copyright (c) 2002-2024 www.mailtech.cn 163com X-NTES-SC: AL_Qu2aAf6YuUwp4yacZOkfm0YUh+c7UMO5ufQh245eOpF8jA3pwC0aW314EEXk8MuoJx+wqSOsegVAxc9EZYtjQoEABTFaSCd/suQ76tVeFWOxvA== 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: <280ee5e5.4936.18ee4d93bae.Coremail.congei42@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:_____wD332rJ6R1m_90YAA--.6409W X-CM-SenderInfo: 5frqwvrlusqiywtou0bp/1tbiPQTB8mVOCdtXiQAGsr X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Z3JleWJ1cy9pbnRlcmZhY2UuYzogdXNlLWFmdGVyLWZyZWUgYnVnIGluIGdiX2ludGVyZmFjZV9y ZWxlYXNlIGR1ZSB0bwpyYWNlIGNvbmRpdGlvbi4KCkluIGdiX2ludGVyZmFjZV9jcmVhdGUsICZp bnRmLT5tb2RlX3N3aXRjaF9jb21wbGV0aW9uIGlzIGJvdW5kIHdpdGggCmdiX2ludGVyZmFjZV9t b2RlX3N3aXRjaF93b3JrLiBUaGVuIGl0IHdpbGwgYmUgc3RhcnRlZCBieSAKZ2JfaW50ZXJmYWNl X3JlcXVlc3RfbW9kZV9zd2l0Y2guIEhlcmUgaXMgdGhlIGNvZGUuCmlmICghcXVldWVfd29yayhz eXN0ZW1fbG9uZ193cSwgJmludGYtPm1vZGVfc3dpdGNoX3dvcmspKSB7CgkuLi4KfQoKSWYgd2Ug Y2FsbCBnYl9pbnRlcmZhY2VfcmVsZWFzZSB0byBtYWtlIGNsZWFudXAsIHRoZXJlIG1heSBiZSBh biAKdW5maW5pc2hlZCB3b3JrLiBUaGlzIGZ1bmN0aW9uIHdpbGwgY2FsbCBrZnJlZSB0byBmcmVl IHRoZSBvYmplY3QgCiJpbnRmIi4gSG93ZXZlciwgaWYgZ2JfaW50ZXJmYWNlX21vZGVfc3dpdGNo X3dvcmsgaXMgc2NoZWR1bGVkIHRvIApydW4gYWZ0ZXIga2ZyZWUsIGl0IG1heSBjYXVzZSB1c2Ut YWZ0ZXItZnJlZSBlcnJvciBhcyAKZ2JfaW50ZXJmYWNlX21vZGVfc3dpdGNoX3dvcmsgd2lsbCB1 c2UgdGhlIG9iamVjdCAiaW50ZiIuIApUaGUgcG9zc2libGUgZXhlY3V0aW9uIGZsb3cgdGhhdCBt YXkgbGVhZCB0byB0aGUgaXNzdWUgaXMgYXMgZm9sbG93czoKCkNQVTAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgQ1BVMQoKICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICBnYl9pbnRl cmZhY2VfY3JlYXRlCiAgICAgICAgICAgICAgICAgICAgICAgICAgICB8ICAgZ2JfaW50ZXJmYWNl X3JlcXVlc3RfbW9kZV9zd2l0Y2gKZ2JfaW50ZXJmYWNlX3JlbGVhc2UgICAgICAgIHwKa2ZyZWUo aW50ZikgKGZyZWUpICAgICAgICAgIHwKICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICBn Yl9pbnRlcmZhY2VfbW9kZV9zd2l0Y2hfd29yawogICAgICAgICAgICAgICAgICAgICAgICAgICAg fCAgIG11dGV4X2xvY2soJmludGYtPm11dGV4KSAodXNlKSAgIAoKVGhpcyBidWcgbWF5IGJlIGZp eGVkIGJ5IGFkZGluZyB0aGUgZm9sbG93aW5nIGNvZGUgYmVmb3JlIGtmcmVlLgpjYW5jZWxfd29y a19zeW5jKCZpbnRmLT5tb2RlX3N3aXRjaF93b3JrKTsKCkJlc3QgcmVnYXJkcywKU2ljb25nIEh1 YW5nCgo=