git.ipfire.org Git - thirdparty/lxc.git/log

Christian Brauner [Thu, 4 Feb 2021 21:48:18 +0000 (22:48 +0100)]

utils: check for snprintf() error

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

Christian Brauner [Thu, 4 Feb 2021 21:42:58 +0000 (22:42 +0100)]

attach: improve logging and terminology

The term "intermediate process" is not very nice imho, "transient process" fits
better.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Thu, 4 Feb 2021 20:40:31 +0000 (15:40 -0500)]

Merge pull request #3651 from brauner/2021-02-04/fixes

cgroups: fix cgroup mounting

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 19:27:40 +0000 (20:27 +0100)]

cgroups: check for correct error in __cg_unified_attach() from cgroup_attach()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 18:06:38 +0000 (19:06 +0100)]

tree-wide: s/dfd_root_host/dfd_host/g

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 18:05:55 +0000 (19:05 +0100)]

tree-wide: s/mntpt_fd/dfd_mnt/g

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 18:05:05 +0000 (19:05 +0100)]

tree-wide: s/dev_mntpt_fd/dfd_dev/g

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 15:06:43 +0000 (16:06 +0100)]

syscall_wrappers: fix PROTECT_OPEN_W macro

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:57:13 +0000 (15:57 +0100)]

conf: restricted fd-only lxc_fill_autodev()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:56:37 +0000 (15:56 +0100)]

conf: start stashing dfd to host's / during container setup

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:52:54 +0000 (15:52 +0100)]

conf: fix lxc_setup_dev_console()

We were printing garbage on accident.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:23:55 +0000 (15:23 +0100)]

utils: add mount_from_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:05:43 +0000 (15:05 +0100)]

cgroups: restrict open calls in cgroup_attach_create_leaf()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:02:14 +0000 (15:02 +0100)]

cgroups: improve error handling and logging in cgroup_attach_leaf()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:01:45 +0000 (15:01 +0100)]

cgroups: fix argument vetting in cgroup_attach()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 14:01:09 +0000 (15:01 +0100)]

attach: fix fallback logic when attaching to cgroups

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 13:00:18 +0000 (14:00 +0100)]

cgroups: switch to fd-based cgroup mounting

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 11:50:43 +0000 (12:50 +0100)]

cgroups: restricted fd-only controller mountpoint creation

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Thu, 4 Feb 2021 10:22:26 +0000 (11:22 +0100)]

cgroups: fix cgroup mounting

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Wed, 3 Feb 2021 22:05:35 +0000 (17:05 -0500)]

Merge pull request #3650 from brauner/2021-02-03/fixes_1

conf: harden various mount paths

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 20:57:44 +0000 (21:57 +0100)]

utils: harden __safe_mount_beneath_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 20:31:03 +0000 (21:31 +0100)]

conf: refactor transient procfs mounting

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 19:58:45 +0000 (20:58 +0100)]

conf: restrict open call in lxc_mount_rootfs()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 19:55:01 +0000 (20:55 +0100)]

conf: make lxc_create_tmp_proc_mount() static

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 19:51:56 +0000 (20:51 +0100)]

conf: coding style

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Wed, 3 Feb 2021 15:38:50 +0000 (10:38 -0500)]

Merge pull request #3648 from brauner/2021-02-03/fixes

conf: open hardening & fd-only operations

commit | commitdiff | tree

Stéphane Graber [Wed, 3 Feb 2021 15:23:53 +0000 (10:23 -0500)]

Merge pull request #3649 from brauner/2021-02-03/attach_via_pidfds

attach: attach to namespaces via pidfds

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 14:12:37 +0000 (15:12 +0100)]

attach: attach to namespaces via pidfds

This is a feature we've enabled in kernel v5.8 and v5.9.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 10:27:53 +0000 (11:27 +0100)]

conf: fd-only devtps setup

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 10:18:04 +0000 (11:18 +0100)]

conf: fd-only pivot root

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 09:58:35 +0000 (10:58 +0100)]

conf: restrict open for lxc_mount_rootfs()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 09:48:12 +0000 (10:48 +0100)]

conf: fd-only operations in lxc_setup_dev_symlinks()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 09:35:16 +0000 (10:35 +0100)]

conf: harden open in lxc_fill_autodev()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 09:55:48 +0000 (10:55 +0100)]

conf: restrict open of dev/

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 09:04:59 +0000 (10:04 +0100)]

conf: remove unnecessary syscall

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 08:48:25 +0000 (09:48 +0100)]

rexec: mark all fds as close-on-exec if possible

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 08:45:30 +0000 (09:45 +0100)]

syscalls: add close_range()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 08:39:21 +0000 (09:39 +0100)]

rexec: check lseek() return value

Not really needed buy ok.

Fixes: Coverity: 1472769
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Wed, 3 Feb 2021 08:36:23 +0000 (09:36 +0100)]

tests: check for NULL in device_add_remove

Fixes: Coverity 1472768
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Tue, 2 Feb 2021 23:30:27 +0000 (18:30 -0500)]

Merge pull request #3647 from brauner/2021-02-02/fixes

cgroup2: only rely on command socket when getting cgroup values

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 23:00:50 +0000 (00:00 +0100)]

cgroups: improve parameter vetting

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:52:18 +0000 (23:52 +0100)]

tests: support pure unified cgroup layouts in cgpath test

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:30:00 +0000 (23:30 +0100)]

test: add logging to device_add_remove

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:24:28 +0000 (23:24 +0100)]

freezer: remove lxc_cmd_freeze() and lxc_cmd_unfreeze() calls

We're now handling them better.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:20:07 +0000 (23:20 +0100)]

commands: use __cgroup_unfreeze() directly

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:19:23 +0000 (23:19 +0100)]

cgroups: export __cgroup_unfreeze() for use in commands

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:08:04 +0000 (23:08 +0100)]

cgroups: use lxc_cmd_get_limiting_cgroup2_fd()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 22:05:30 +0000 (23:05 +0100)]

commands: add missing lxc_cmd_get_limiting_cgroup2_fd() implementation

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:55:52 +0000 (22:55 +0100)]

cgpath: add logging

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:41:40 +0000 (22:41 +0100)]

attach: explicitly close seccomp notifier fd

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:28:01 +0000 (22:28 +0100)]

cgroups: switch back to returning ints

Whick makes for easier error checking and fallback code.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:23:45 +0000 (22:23 +0100)]

attach: check for ENOCGROUP2 explicitly

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:22:53 +0000 (22:22 +0100)]

cgroups: return ENOCGROUP2 from cgroup_attach()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:22:25 +0000 (22:22 +0100)]

cgroups: stricter argument vetting for cgroup_attach()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:21:38 +0000 (22:21 +0100)]

cgroups: move down cgroup_attach()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 21:15:43 +0000 (22:15 +0100)]

lxccontainer: use correct error checks

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 20:59:04 +0000 (21:59 +0100)]

cgroups: vet parameters

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 20:56:32 +0000 (21:56 +0100)]

cgroups: remove unused conf argument

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 18:29:41 +0000 (19:29 +0100)]

cgroups: rewind() file before polling again

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:31:52 +0000 (18:31 +0100)]

lxccontainer: use cgroup_freeze() and cgroup_unfreeze()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:55:39 +0000 (18:55 +0100)]

freezer: make methods return bool

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:27:12 +0000 (18:27 +0100)]

cgroups: add cgroup_freeze() and cgroup_unfreeze()

These are unified hierarchy only methods which don't need to initialize a full
cgroup driver. Instead, they rely on the command socket to retrieve a cgroup2
file descriptor to the container's cgroup.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:26:57 +0000 (18:26 +0100)]

freezer: use lxc_cmd_notify_state_listeners()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:26:29 +0000 (18:26 +0100)]

commands_utils: add lcx_cmd_notify_state_listeners()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:09:29 +0000 (18:09 +0100)]

cgroups: annotate cgroup_get()/cgroup_set()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:08:14 +0000 (18:08 +0100)]

cgroups: move functions after methods

This makes it more obvious that they are separate.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:03:41 +0000 (18:03 +0100)]

lxccontainer: use cgroup_set()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 17:02:47 +0000 (18:02 +0100)]

lxccontainer: use correct variable ordering

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 16:40:30 +0000 (17:40 +0100)]

cgroups: add croup_set()

This is a unified hierarchy only method which doesn't need to initialize a full
cgroup driver. Instead, it relies on the command socket to retrieve a cgroup2
file descriptor to the container's cgroup.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 16:40:08 +0000 (17:40 +0100)]

cgroups: reorder cgroup_get() arguments

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 16:00:49 +0000 (17:00 +0100)]

lxccontainer: use cgroup_get()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 15:59:38 +0000 (16:59 +0100)]

cgroups: add cgroup_get()

This is a unified hierarchy only method which doesn't need to initialize a full
cgroup driver. Instead, it relies on the command socket to retrieve a cgroup2
file descriptor to the container's cgroup.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 15:59:14 +0000 (16:59 +0100)]

file_utils: add lxc_read_try_buf_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 15:58:45 +0000 (16:58 +0100)]

macro: abuse ENOMEDIUM as ENOCGROUP2

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Tue, 2 Feb 2021 14:28:50 +0000 (09:28 -0500)]

Merge pull request #3646 from brauner/2021-02-02/fixes

attach & cgroup hardening

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:47:40 +0000 (13:47 +0100)]

cgroups: switch controller delegation to fd-only operations

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:46:03 +0000 (13:46 +0100)]

cgroups: add unified_cgroup_fd() helper

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:45:26 +0000 (13:45 +0100)]

file_utils: harden lxc_writeat()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:45:11 +0000 (13:45 +0100)]

file_utils: harden lxc_open_dirfd()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:44:37 +0000 (13:44 +0100)]

syscall_wrappers: add PROTECT_OPEN_W_* variants

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 12:44:13 +0000 (13:44 +0100)]

memory_utils: add close_prot_errno_mov()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 09:43:12 +0000 (10:43 +0100)]

attach: move loading seccomp as late as possible

We want to minimize the change that the profile blocks syscalls we need during
attach setup and has the notifier enabled.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 09:26:21 +0000 (10:26 +0100)]

attach: move file descriptor closing into attach_context_container()

This reduces the possibility of forgetting to close the namespace file
descriptors when we change this codepath.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Tue, 2 Feb 2021 08:54:10 +0000 (09:54 +0100)]

attach: stricter lookup semantics for fdopen_at() calls

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Mon, 1 Feb 2021 22:13:37 +0000 (17:13 -0500)]

Merge pull request #3645 from brauner/2021-02-01/fixes_4

attach: bugfixes

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 21:54:47 +0000 (22:54 +0100)]

confile_utils: use lxc_log_trace()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 21:53:56 +0000 (22:53 +0100)]

conf: use lxc_log_trace()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 21:34:33 +0000 (22:34 +0100)]

commands_utils: don't leak memory

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 21:13:03 +0000 (22:13 +0100)]

attach: use correct put method

Fixes: Coverity 1472763
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 21:11:38 +0000 (22:11 +0100)]

attach: prevent UAF

Fixes: Coverity 1472761
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Mon, 1 Feb 2021 20:26:08 +0000 (15:26 -0500)]

Merge pull request #3644 from brauner/2021-02-01/fixes_3

attach: harden open() calls

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 19:25:51 +0000 (20:25 +0100)]

attach: file descriptor based fdinfo handling

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 19:17:16 +0000 (20:17 +0100)]

file_utils: remove O_NOFOLLOW from open_at() defaults

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 19:15:16 +0000 (20:15 +0100)]

lsm: harden read_file_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 19:12:03 +0000 (20:12 +0100)]

tree-wide: extend read_file_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 19:03:29 +0000 (20:03 +0100)]

attach: harden open calls

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 16:08:06 +0000 (17:08 +0100)]

syscall_wrappers: add PROTECT_LOOKUP, PROTECT_OPEN, PROTECT_LOOKUP_WITH_SYMLINKS, PROTECT_OPEN_WITH_TRAILING_SYMLINKS

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Christian Brauner [Mon, 1 Feb 2021 16:03:59 +0000 (17:03 +0100)]

file_utils: add open_at()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

commit | commitdiff | tree

Stéphane Graber [Mon, 1 Feb 2021 15:17:18 +0000 (10:17 -0500)]

Merge pull request #3642 from brauner/2021-02-01/fixes

attach: rework id handling

commit | commitdiff | tree

Stéphane Graber [Mon, 1 Feb 2021 15:14:49 +0000 (10:14 -0500)]

Merge pull request #3643 from brauner/2021-02-01/fixes_2

cgroups: remove pointless NULL checks