From: Jiri Slaby <jslaby@suse.cz> To: Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org Cc: David Windsor <dave@nullcore.net>, Pekka Enberg <penberg@kernel.org>, David Rientjes <rientjes@google.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, linux-xfs@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Andy Lutomirski <luto@kernel.org>, Christoph Hellwig <hch@infradead.org>, Christoph Lameter <cl@linux.com>, "David S. Miller" <davem@davemloft.net>, Laura Abbott <labbott@redhat.com>, Mark Rutland <mark.rutland@arm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Paolo Bonzini <pbonzini@redhat.com>, Christian Borntraeger <borntraeger@de.ibm.com>, Christoffer Dall <christoffer.dall@linaro.org>, Dave Kleikamp <dave.kleikamp@oracle.com>, Jan Kara <jack@suse.cz>, Luis de Bethencourt <luisbg@kernel.org>, Marc Zyngier <marc.zyngier@arm.com>, Rik van Riel <riel@redhat.com>, Matthew Garrett <mjg59@google.com>, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, netdev@vger.kernel.org, kernel-hardening@lists.openwall.com, Vlastimil Babka <vbabka@suse.cz>, Michal Kubecek <mkubecek@suse.cz> Subject: Re: [kernel-hardening] [PATCH 09/38] usercopy: Mark kmalloc caches as usercopy caches Date: Tue, 12 Nov 2019 08:17:57 +0100 [thread overview] Message-ID: <9519edb7-456a-a2fa-659e-3e5a1ff89466@suse.cz> (raw) In-Reply-To: <1515636190-24061-10-git-send-email-keescook@chromium.org> On 11. 01. 18, 3:02, Kees Cook wrote: > From: David Windsor <dave@nullcore.net> > > Mark the kmalloc slab caches as entirely whitelisted. These caches > are frequently used to fulfill kernel allocations that contain data > to be copied to/from userspace. Internal-only uses are also common, > but are scattered in the kernel. For now, mark all the kmalloc caches > as whitelisted. > > This patch is modified from Brad Spengler/PaX Team's PAX_USERCOPY > whitelisting code in the last public patch of grsecurity/PaX based on my > understanding of the code. Changes or omissions from the original code are > mine and don't reflect the original grsecurity/PaX code. > > Signed-off-by: David Windsor <dave@nullcore.net> > [kees: merged in moved kmalloc hunks, adjust commit log] > Cc: Pekka Enberg <penberg@kernel.org> > Cc: David Rientjes <rientjes@google.com> > Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-mm@kvack.org > Cc: linux-xfs@vger.kernel.org > Signed-off-by: Kees Cook <keescook@chromium.org> > Acked-by: Christoph Lameter <cl@linux.com> > --- > mm/slab.c | 3 ++- > mm/slab.h | 3 ++- > mm/slab_common.c | 10 ++++++---- > 3 files changed, 10 insertions(+), 6 deletions(-) > > diff --git a/mm/slab.c b/mm/slab.c > index b9b0df620bb9..dd367fe17a4e 100644 > --- a/mm/slab.c > +++ b/mm/slab.c ... > @@ -1098,7 +1099,8 @@ void __init setup_kmalloc_cache_index_table(void) > static void __init new_kmalloc_cache(int idx, slab_flags_t flags) > { > kmalloc_caches[idx] = create_kmalloc_cache(kmalloc_info[idx].name, > - kmalloc_info[idx].size, flags); > + kmalloc_info[idx].size, flags, 0, > + kmalloc_info[idx].size); > } > > /* > @@ -1139,7 +1141,7 @@ void __init create_kmalloc_caches(slab_flags_t flags) > > BUG_ON(!n); > kmalloc_dma_caches[i] = create_kmalloc_cache(n, > - size, SLAB_CACHE_DMA | flags); > + size, SLAB_CACHE_DMA | flags, 0, 0); Hi, was there any (undocumented) reason NOT to mark DMA caches as usercopy? We are seeing this on s390x: > usercopy: Kernel memory overwrite attempt detected to SLUB object 'dma-kmalloc-1k' (offset 0, size 11)! > ------------[ cut here ]------------ > kernel BUG at mm/usercopy.c:99! See: https://bugzilla.suse.com/show_bug.cgi?id=1156053 This indeed fixes it: --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1290,7 +1290,8 @@ void __init create_kmalloc_caches(slab_flags_t flags) kmalloc_caches[KMALLOC_DMA][i] = create_kmalloc_cache( kmalloc_info[i].name[KMALLOC_DMA], kmalloc_info[i].size, - SLAB_CACHE_DMA | flags, 0, 0); + SLAB_CACHE_DMA | flags, 0, + kmalloc_info[i].size); } } #endif thanks, -- js suse labs
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Slaby <jslaby@suse.cz> To: Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org Cc: David Windsor <dave@nullcore.net>, Pekka Enberg <penberg@kernel.org>, David Rientjes <rientjes@google.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, linux-xfs@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Andy Lutomirski <luto@kernel.org>, Christoph Hellwig <hch@infradead.org>, Christoph Lameter <cl@linux.com>, "David S. Miller" <davem@davemloft.net>, Laura Abbott <labbott@redhat.com>, Mark Rutland <mark.rutland@arm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Paolo Bonzini <pbonzini@redhat.com>, Christian Borntraeger <borntraeger@de.ibm.com>, Christoffer Dall <christoffer.dall@linaro.org>, Dave Kleikamp <dave.k> Subject: Re: [kernel-hardening] [PATCH 09/38] usercopy: Mark kmalloc caches as usercopy caches Date: Tue, 12 Nov 2019 08:17:57 +0100 [thread overview] Message-ID: <9519edb7-456a-a2fa-659e-3e5a1ff89466@suse.cz> (raw) In-Reply-To: <1515636190-24061-10-git-send-email-keescook@chromium.org> On 11. 01. 18, 3:02, Kees Cook wrote: > From: David Windsor <dave@nullcore.net> > > Mark the kmalloc slab caches as entirely whitelisted. These caches > are frequently used to fulfill kernel allocations that contain data > to be copied to/from userspace. Internal-only uses are also common, > but are scattered in the kernel. For now, mark all the kmalloc caches > as whitelisted. > > This patch is modified from Brad Spengler/PaX Team's PAX_USERCOPY > whitelisting code in the last public patch of grsecurity/PaX based on my > understanding of the code. Changes or omissions from the original code are > mine and don't reflect the original grsecurity/PaX code. > > Signed-off-by: David Windsor <dave@nullcore.net> > [kees: merged in moved kmalloc hunks, adjust commit log] > Cc: Pekka Enberg <penberg@kernel.org> > Cc: David Rientjes <rientjes@google.com> > Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-mm@kvack.org > Cc: linux-xfs@vger.kernel.org > Signed-off-by: Kees Cook <keescook@chromium.org> > Acked-by: Christoph Lameter <cl@linux.com> > --- > mm/slab.c | 3 ++- > mm/slab.h | 3 ++- > mm/slab_common.c | 10 ++++++---- > 3 files changed, 10 insertions(+), 6 deletions(-) > > diff --git a/mm/slab.c b/mm/slab.c > index b9b0df620bb9..dd367fe17a4e 100644 > --- a/mm/slab.c > +++ b/mm/slab.c ... > @@ -1098,7 +1099,8 @@ void __init setup_kmalloc_cache_index_table(void) > static void __init new_kmalloc_cache(int idx, slab_flags_t flags) > { > kmalloc_caches[idx] = create_kmalloc_cache(kmalloc_info[idx].name, > - kmalloc_info[idx].size, flags); > + kmalloc_info[idx].size, flags, 0, > + kmalloc_info[idx].size); > } > > /* > @@ -1139,7 +1141,7 @@ void __init create_kmalloc_caches(slab_flags_t flags) > > BUG_ON(!n); > kmalloc_dma_caches[i] = create_kmalloc_cache(n, > - size, SLAB_CACHE_DMA | flags); > + size, SLAB_CACHE_DMA | flags, 0, 0); Hi, was there any (undocumented) reason NOT to mark DMA caches as usercopy? We are seeing this on s390x: > usercopy: Kernel memory overwrite attempt detected to SLUB object 'dma-kmalloc-1k' (offset 0, size 11)! > ------------[ cut here ]------------ > kernel BUG at mm/usercopy.c:99! See: https://bugzilla.suse.com/show_bug.cgi?id=1156053 This indeed fixes it: --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1290,7 +1290,8 @@ void __init create_kmalloc_caches(slab_flags_t flags) kmalloc_caches[KMALLOC_DMA][i] = create_kmalloc_cache( kmalloc_info[i].name[KMALLOC_DMA], kmalloc_info[i].size, - SLAB_CACHE_DMA | flags, 0, 0); + SLAB_CACHE_DMA | flags, 0, + kmalloc_info[i].size); } } #endif thanks, -- js suse labs
next prev parent reply other threads:[~2019-11-12 7:18 UTC|newest] Thread overview: 320+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-11 2:02 [PATCH v5 00/38] Hardened usercopy whitelisting Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 01/38] usercopy: Remove pointer from overflow report Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 02/38] usercopy: Enhance and rename report_usercopy() Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 17:06 ` Christopher Lameter 2018-01-11 17:06 ` [kernel-hardening] " Christopher Lameter 2018-01-11 17:06 ` Christopher Lameter 2018-01-11 17:06 ` Christopher Lameter 2018-01-11 17:06 ` Christopher Lameter 2018-01-14 20:57 ` Kees Cook 2018-01-14 20:57 ` [kernel-hardening] " Kees Cook 2018-01-14 20:57 ` Kees Cook 2018-01-14 20:57 ` Kees Cook 2018-01-14 20:57 ` Kees Cook 2018-01-11 2:02 ` [PATCH 03/38] usercopy: Include offset in hardened usercopy report Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 04/38] lkdtm/usercopy: Adjust test to include an offset to check reporting Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 05/38] stddef.h: Introduce sizeof_field() Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 06/38] usercopy: Prepare for usercopy whitelisting Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 07/38] usercopy: WARN() on slab cache usercopy region violations Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 08/38] usercopy: Allow strict enforcement of whitelists Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 09/38] usercopy: Mark kmalloc caches as usercopy caches Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2019-11-12 7:17 ` Jiri Slaby [this message] 2019-11-12 7:17 ` [kernel-hardening] " Jiri Slaby 2019-11-12 21:21 ` Kees Cook 2019-11-12 21:21 ` Kees Cook 2019-11-14 21:27 ` Kees Cook 2019-11-14 21:27 ` Kees Cook 2020-01-23 8:14 ` Jiri Slaby 2020-01-23 8:14 ` Jiri Slaby 2020-01-27 23:19 ` Kees Cook 2020-01-27 23:19 ` Kees Cook 2020-01-28 7:58 ` Christian Borntraeger 2020-01-28 7:58 ` Christian Borntraeger 2020-01-28 23:01 ` Kees Cook 2020-01-28 23:01 ` Kees Cook 2020-01-29 9:26 ` Ursula Braun 2020-01-29 9:26 ` Ursula Braun 2020-01-29 16:43 ` Christopher Lameter 2020-01-29 16:43 ` Christopher Lameter 2020-01-29 16:43 ` Christopher Lameter 2020-01-29 17:07 ` Christian Borntraeger 2020-01-29 17:07 ` Christian Borntraeger 2020-01-29 17:09 ` Christoph Hellwig 2020-01-29 17:09 ` Christoph Hellwig 2020-01-29 17:19 ` Christian Borntraeger 2020-01-29 17:19 ` Christian Borntraeger 2020-01-30 19:23 ` Kees Cook 2020-01-30 19:23 ` Kees Cook 2020-01-31 12:03 ` Jann Horn 2020-01-31 12:03 ` Jann Horn 2020-01-31 12:03 ` Jann Horn 2020-02-01 17:56 ` Kees Cook 2020-02-01 17:56 ` Kees Cook 2020-02-01 19:27 ` Jann Horn 2020-02-01 19:27 ` Jann Horn 2020-02-01 19:27 ` Jann Horn 2020-02-03 7:46 ` Matthew Wilcox 2020-02-03 7:46 ` Matthew Wilcox 2020-02-03 17:41 ` Christoph Hellwig 2020-02-03 17:41 ` Christoph Hellwig 2020-02-03 17:20 ` Christopher Lameter 2020-02-03 17:20 ` Christopher Lameter 2020-02-03 17:20 ` Christopher Lameter 2020-04-07 8:00 ` Vlastimil Babka 2020-04-07 8:00 ` Vlastimil Babka 2020-04-07 11:05 ` Christian Borntraeger 2020-04-07 11:05 ` Christian Borntraeger 2020-04-20 7:53 ` Jiri Slaby 2020-04-20 7:53 ` Jiri Slaby 2020-04-20 17:43 ` Kees Cook 2020-04-20 17:43 ` Kees Cook 2020-02-03 17:38 ` Christoph Hellwig 2020-02-03 17:38 ` Christoph Hellwig 2020-02-03 17:36 ` Christoph Hellwig 2020-02-03 17:36 ` Christoph Hellwig 2018-01-11 2:02 ` [PATCH 10/38] dcache: Define usercopy region in dentry_cache slab cache Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 11/38] vfs: Define usercopy region in names_cache slab caches Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 12/38] vfs: Copy struct mount.mnt_id to userspace using put_user() Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 13/38] ext4: Define usercopy region in ext4_inode_cache slab cache Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 17:01 ` Theodore Ts'o 2018-01-11 17:01 ` [kernel-hardening] " Theodore Ts'o 2018-01-11 17:01 ` Theodore Ts'o 2018-01-11 17:01 ` Theodore Ts'o 2018-01-11 17:01 ` Theodore Ts'o 2018-01-11 23:05 ` Kees Cook 2018-01-11 23:05 ` Kees Cook 2018-01-11 23:05 ` [kernel-hardening] " Kees Cook 2018-01-11 23:05 ` Kees Cook 2018-01-11 23:05 ` Kees Cook 2018-01-14 22:34 ` Matthew Wilcox 2018-01-14 22:34 ` [kernel-hardening] " Matthew Wilcox 2018-01-14 22:34 ` Matthew Wilcox 2018-01-14 22:34 ` Matthew Wilcox 2018-01-14 22:34 ` Matthew Wilcox 2018-01-11 23:05 ` Kees Cook 2018-01-11 23:05 ` Kees Cook 2018-01-11 2:02 ` [PATCH 14/38] ext2: Define usercopy region in ext2_inode_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 15/38] jfs: Define usercopy region in jfs_ip " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 16/38] befs: Define usercopy region in befs_inode_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 17/38] exofs: Define usercopy region in exofs_inode_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 18/38] orangefs: Define usercopy region in orangefs_inode_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 19/38] ufs: Define usercopy region in ufs_inode_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 20/38] vxfs: Define usercopy region in vxfs_inode " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 21/38] cifs: Define usercopy region in cifs_request " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 22/38] scsi: Define usercopy region in scsi_sense_cache " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 23/38] net: Define usercopy region in struct proto " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 24/38] ip: Define usercopy region in IP " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 25/38] caif: Define usercopy region in caif " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 26/38] sctp: Define usercopy region in SCTP " Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` [PATCH 27/38] sctp: Copy struct sctp_sock.autoclose to userspace using put_user() Kees Cook 2018-01-11 2:02 ` [kernel-hardening] " Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-11 2:02 ` Kees Cook 2018-01-18 21:31 ` [kernel-hardening] " Laura Abbott 2018-01-18 21:31 ` Laura Abbott 2018-01-18 21:31 ` Laura Abbott 2018-01-18 21:31 ` Laura Abbott 2018-01-18 21:31 ` Laura Abbott 2018-01-18 21:31 ` Laura Abbott 2018-01-18 21:36 ` [kernel-hardening] " Kees Cook 2018-01-18 21:36 ` Kees Cook 2018-01-18 21:36 ` Kees Cook 2018-01-18 21:36 ` Kees Cook 2018-01-18 21:36 ` Kees Cook 2018-01-18 21:36 ` Kees Cook 2018-01-11 2:03 ` [PATCH 28/38] net: Restrict unwhitelisted proto caches to size 0 Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 29/38] fork: Define usercopy region in mm_struct slab caches Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 30/38] fork: Define usercopy region in thread_stack " Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 31/38] fork: Provide usercopy whitelisting for task_struct Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 32/38] x86: Implement thread_struct whitelist for hardened usercopy Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 33/38] arm64: " Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-15 12:24 ` Dave P Martin 2018-01-15 12:24 ` [kernel-hardening] " Dave P Martin 2018-01-15 12:24 ` Dave P Martin 2018-01-15 12:24 ` Dave P Martin 2018-01-15 12:24 ` Dave P Martin 2018-01-15 12:24 ` Dave P Martin 2018-01-15 12:24 ` Dave P Martin 2018-01-15 20:06 ` Kees Cook 2018-01-15 20:06 ` [kernel-hardening] " Kees Cook 2018-01-15 20:06 ` Kees Cook 2018-01-15 20:06 ` Kees Cook 2018-01-15 20:06 ` Kees Cook 2018-01-15 20:06 ` Kees Cook 2018-01-15 20:06 ` Kees Cook 2018-01-16 12:33 ` Dave Martin 2018-01-16 12:33 ` [kernel-hardening] " Dave Martin 2018-01-16 12:33 ` Dave Martin 2018-01-16 12:33 ` Dave Martin 2018-01-16 12:33 ` Dave Martin 2018-01-16 12:33 ` Dave Martin 2018-03-26 16:22 ` Dave Martin 2018-03-26 16:22 ` Dave Martin 2018-03-26 17:41 ` Kees Cook 2018-03-26 17:41 ` Kees Cook 2018-03-27 12:32 ` Dave Martin 2018-03-27 12:32 ` Dave Martin 2018-01-11 2:03 ` [PATCH 34/38] arm: " Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 10:24 ` Russell King - ARM Linux 2018-01-11 10:24 ` [kernel-hardening] " Russell King - ARM Linux 2018-01-11 10:24 ` Russell King - ARM Linux 2018-01-11 10:24 ` Russell King - ARM Linux 2018-01-11 10:24 ` Russell King - ARM Linux 2018-01-11 10:24 ` Russell King - ARM Linux 2018-01-11 23:21 ` Kees Cook 2018-01-11 23:21 ` [kernel-hardening] " Kees Cook 2018-01-11 23:21 ` Kees Cook 2018-01-11 23:21 ` Kees Cook 2018-01-11 23:21 ` Kees Cook 2018-01-11 23:21 ` Kees Cook 2018-01-11 2:03 ` [PATCH 35/38] kvm: whitelist struct kvm_vcpu_arch Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 36/38] kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 37/38] usercopy: Restrict non-usercopy caches to size 0 Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` [PATCH 38/38] lkdtm: Update usercopy tests for whitelisting Kees Cook 2018-01-11 2:03 ` [kernel-hardening] " Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-01-11 2:03 ` Kees Cook 2018-02-19 16:55 ` [PATCH] signals: Move put_compat_sigset to compat.h to silence hardened usercopy Matt Redfearn 2018-02-19 16:55 ` Matt Redfearn 2018-02-19 23:55 ` Kees Cook 2018-03-02 21:40 ` James Hogan
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=9519edb7-456a-a2fa-659e-3e5a1ff89466@suse.cz \ --to=jslaby@suse.cz \ --cc=akpm@linux-foundation.org \ --cc=borntraeger@de.ibm.com \ --cc=christoffer.dall@linaro.org \ --cc=cl@linux.com \ --cc=dave.kleikamp@oracle.com \ --cc=dave@nullcore.net \ --cc=davem@davemloft.net \ --cc=hch@infradead.org \ --cc=iamjoonsoo.kim@lge.com \ --cc=jack@suse.cz \ --cc=keescook@chromium.org \ --cc=kernel-hardening@lists.openwall.com \ --cc=labbott@redhat.com \ --cc=linux-arch@vger.kernel.org \ --cc=linux-fsdevel@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=linux-xfs@vger.kernel.org \ --cc=luisbg@kernel.org \ --cc=luto@kernel.org \ --cc=marc.zyngier@arm.com \ --cc=mark.rutland@arm.com \ --cc=martin.petersen@oracle.com \ --cc=mjg59@google.com \ --cc=mkubecek@suse.cz \ --cc=netdev@vger.kernel.org \ --cc=pbonzini@redhat.com \ --cc=penberg@kernel.org \ --cc=riel@redhat.com \ --cc=rientjes@google.com \ --cc=torvalds@linux-foundation.org \ --cc=vbabka@suse.cz \ --cc=viro@zeniv.linux.org.uk \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.