From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out162-62-57-210.mail.qq.com (out162-62-57-210.mail.qq.com [162.62.57.210]) (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 F3915330B09 for ; Fri, 14 Aug 2026 04:50:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.210 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786683059; cv=none; b=tB/m98MAswotk/yoa54BLOfhAwaxTj5J0pbvWYpQ7/LdSdH1nOp375ntwv9aWpxGF8p4RPUd/IiTwm62dOHYio2uyX05HhUP/uSJseHU6B1jW/nrj/EDsAwe/afZ7yLKF7VxAJD7VaVoF2kEbHOcbK/RtMQXVd7UyOIDYkOt6k0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786683059; c=relaxed/simple; bh=4xtLjxDm0DNTLFbK3NXlsDFu/bDNbHWYyna4P8YOUts=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=Fs6YdgfhoI87e4rEUp+/0kdPY6f/7Yr6rvVW9lE4AqeSFbZeHMCPybGr/D7xFOvn+Q6kJcPtaAqG3AAzWdhQf/y/Bb4pyE+V3G5xOyAZZiRYlBFy158i/svj4ehVXEeyzd2R2Sm+1Ec3op5D+lMJeO1EY+cOiwDe0LyxLlhCJxU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=sZI96Qzm; arc=none smtp.client-ip=162.62.57.210 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="sZI96Qzm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1786683051; bh=vFLaawR2c9SVCecKiDAEn1m5X/5Iyp/qV9w9/Pf5zIo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=sZI96QzmvVOxz2T6Leh1zHPqrLFTrHnRTfQFrsyzwoWugIQC8BLwJ/QT1tSDf4CuZ 0GsNuhZFAxy+fMMOFMqF0+9JjDpK2/bbOFFgWTslYU/+K+Eju2+qi4Ze70mquvvD2a Ik0MpYFh6jzcQeKXvcQLl51RpbiIPtP+zrjpgw6o= Received: from lxu-ped-host.. ([111.198.231.89]) by newxmesmtplogicsvrsza73-0.qq.com (NewEsmtp) with SMTP id CB09FEC5; Fri, 14 Aug 2026 12:50:48 +0800 X-QQ-mid: xmsmtpt1786683048tv6lqoxvr Message-ID: X-QQ-XMAILINFO: OATpkVjS499uxmiJg0BUIFy5gvh1Aq3iBZmnE3QQc6pyk4dLV4WXpu00xkwU0/ CJxKfXaiGl/DAV7qPOvpPDh7q71WpXNB5z0wf+zMEIG/35vdBaY44k/Hjh/FWFroAaULtcmqdUXO YnS/+HRxcSIhC6YJWk9UNv1O4YeKPyrCAp14HHJfbUV167IjXN2PPSKG7gnU3BeNuCNOOQEfTXij RA6SR6QoEIaQg501/Vgkc5brTeui5hHtx07+6/00F8+U5ejxQA5bzJVaROjg7BkpR2diLT7MYulU f1YXGuzZJrq4hYQlsp5o1MIsMAbTsk8hk6+e9yQb9tEZD9Pn52tIKurMpgmw3g0oG69IrB2CEvsB UTCngotOUIFfloe9KpYd+NAtC92QKs+MYfJWMOAS4VtIi5uLG3pv2KiVhl8tstzbmS7rxrbyOmDE OnjgsGSY39bi6Qu0kXde+3Dy45nVS0wkc0qO/9384khcwWLnU+eS4quYWuPxiO+0OdCNu+xUOmY9 wVGtcv4Sq06nL0utrWc/tRm1ac4vT2DyMEu4V+VnIlGtYDFroquqHE44gP+Gx2oZQBj0HS4jVbD4 chpRu4RI2sE3UjzoSA/jTVvmrERar4btAJsSNPKt2MbSMWB2UDQ5vuJUVIcu+YWrj5BkXm3SH65N 0qtnP84/8VNDneVJbI+JKQRmv8PnVk9f24bCXWzSaRMCFy3fHYyO8lxf9ef1Z3crF//TsNjRp3mX x0eDuMpY/fm5WegeBYnbJgjfq4VLK85P3ap7farhcNvZNCDOwF1v6eu7YJtxdRffODQrGJ+7F7tJ hrWXXuqeBllPD+kbhW+fXgKVT2uKeVCOGLEMhP3ILOblH5h83wyj/cUkWk2az525HMYIJGequ6z0 huU1h2Z/YDAjb9MhOEdH8CwfYa+OntVfMjrZRyNVHAx2edlzoyRbtV1j3BYs7cRNqzqeXtM2Lziq SiKlZJ+zaQbd2d+A21zv4SCN+dHJtQx9q/PqDIMP8xp3lV8KXL3jB6VP3BoffN1G5yvpxKt24f0g Hk7CLG5Q== X-QQ-XMRINFO: OD9hHCdaPRBwH5bRRRw8tsiH4UAatJqXfg== From: Edward Adam Davis To: syzbot+f57d67a92532a98a562d@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [block?] memory leak in null_init_zoned_dev Date: Fri, 14 Aug 2026 12:50:49 +0800 X-OQ-MSGID: <20260814045048.210237-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6a7e5b5b.f70deec7.2acc03.000e.GAE@google.com> References: <6a7e5b5b.f70deec7.2acc03.000e.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c index f8c0fd57e041..fb001d002d17 100644 --- a/drivers/block/null_blk/main.c +++ b/drivers/block/null_blk/main.c @@ -511,6 +511,7 @@ static ssize_t nullb_device_power_store(struct config_item *item, if (test_and_clear_bit(NULLB_DEV_FL_UP, &dev->flags)) { dev->power = newp; null_del_dev(dev->nullb); + null_free_zoned_dev(dev); } clear_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags); }