From mboxrd@z Thu Jan 1 00:00:00 1970 From: Waiman Long Date: Tue, 14 Apr 2020 18:26:48 +0000 Subject: Re: [PATCH 1/2] mm, treewide: Rename kzfree() to kfree_sensitive() Message-Id: <3d8c80cb-68e5-9211-9eda-bc343ed7d894@redhat.com> List-Id: References: <20200413211550.8307-1-longman@redhat.com> <20200413211550.8307-2-longman@redhat.com> <20200414124854.GQ5920@twin.jikos.cz> In-Reply-To: <20200414124854.GQ5920@twin.jikos.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dsterba@suse.cz, Andrew Morton , David Howells , Jarkko Sakkinen , James Morris , "Serge E. Hallyn" , Linus Torvalds , Joe Perches , Matthew Wilcox , David Rientjes , linux-mm@kvack.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, linux-crypto@vger.kernel.org, linux-s390@vger.kernel.org, linux-pm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-ppp@vger.kernel.org, wireguard@lists.zx2c4.com, linux-wireless@vger.kernel.org, devel@driverdev.osuosl.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fscrypt@vger.kernel.org, ecryptfs@vger.kernel.org, kasan-dev@googlegroups.com, linux-bluetooth@vger.kernel.org, linux-wpan@vger.kernel.org, linux-sctp@vger.kernel.org, linux-nfs@vger.kernel.org, tipc-discussion@lists.sourceforge.net, cocci@systeme.lip6.fr, linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org On 4/14/20 8:48 AM, David Sterba wrote: > On Mon, Apr 13, 2020 at 05:15:49PM -0400, Waiman Long wrote: >> fs/btrfs/ioctl.c | 2 +- > >> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c >> index 40b729dce91c..eab3f8510426 100644 >> --- a/fs/btrfs/ioctl.c >> +++ b/fs/btrfs/ioctl.c >> @@ -2691,7 +2691,7 @@ static int btrfs_ioctl_get_subvol_info(struct file *file, void __user *argp) >> btrfs_put_root(root); >> out_free: >> btrfs_free_path(path); >> - kzfree(subvol_info); >> + kfree_sensitive(subvol_info); > This is not in a sensitive context so please switch it to plain kfree. > With that you have my acked-by. Thanks. > Thanks for letting me know about. I think I will send it out as a separate patch. Cheers, Longman