[Bug 1917601] Re: lxc 1:4.0.4-0ubuntu3 ADT test failure with linux 5.8.0-45.51

2021-03-03 Thread Christian Brauner
This is with 4.0.4 and the bug is fixed in 4.0.6 which it seems hasn't made it into Groovy yet (but is released). I'm not sure what Stéphane's timeline is there. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.ne

Re: [Bug 1931064] [NEW] lxc autotest failure with kernel >= 5.13

2021-06-07 Thread Christian Brauner
On Mon, Jun 07, 2021 at 05:14:50AM -, Andrea Righi wrote: > Public bug reported: > > The lxc autotest is failing with the following error(s) on the latest > kernel linux-unstable 5.13: > > FAIL: lxc-tests: lxc-test-apparmor (1s) > --- > failed - opened /sys/kernel/uevent_helper > --- > PASS:

[Bug 1931064] Re: lxc autotest failure with kernel >= 5.13

2021-06-07 Thread Christian Brauner
I'm currently treating this as an upstream kernel regression reported here https://lore.kernel.org/regressions/20210607142245.eikvyeacqwwu6dn3@wittgenstein We should wait whether a simple revert will be acceptable or whether anything else is needed from LXC specifically. -- You received this bu

[Bug 1776381] Re: lxc-test-api-reboot will hang with autopkgtest

2021-07-15 Thread Christian Brauner
Hm, what is the LXC version used here? Is it the one in Bionic? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776381 Title: lxc-test-api-reboot will hang with autopkgtest To manage notifications a

[Bug 1908227] [NEW] iwd triggers WARN in net/wireless/nl80221.c

2020-12-15 Thread Christian Brauner
Public bug reported: On Linux wittgenstein 5.8.0-33-generic #36-Ubuntu SMP Wed Dec 9 09:14:40 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description:Ubuntu 20.10 Release:20.10 Codename: groovy iwd manages to trigger the following warn: [ 47.003606] NET:

[Bug 1908227] Re: iwd triggers WARN in net/wireless/nl80221.c

2020-12-15 Thread Christian Brauner
> ip addr 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2

[Bug 1908225] [NEW] iwd triggers WARN in net/wireless/nl80221.c

2020-12-15 Thread Christian Brauner
Public bug reported: On Linux wittgenstein 5.8.0-33-generic #36-Ubuntu SMP Wed Dec 9 09:14:40 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description:Ubuntu 20.10 Release:20.10 Codename: groovy iwd manages to trigger the following warn: [ 47.003606] NET:

[Bug 1779678] Re: deadlocks in copy_net_ns

2018-07-02 Thread Christian Brauner
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1779678 Title: deadlocks in copy_net_ns To manage notifications about this bug go

[Bug 1779678] Re: deadlocks in copy_net_ns

2018-07-04 Thread Christian Brauner
I've been running a 4.18 kernel for a long time now and I haven't been able to reproduce the bug. Please note however, that this bug was a race. Meaning, it is easily possible that the race has just gotten so unlikely that it doesn't matter anymore. I doubt it however, since a) there's a proper exp

[Bug 1575779] Re: hostnamectl fails under lxd unpriv container

2018-07-04 Thread Christian Brauner
Hey, so we're seeing an instance of this issue and the problem is that a lock is taken on an fd instead of a path. This should be legal and we urgently need a fix for this since this is starting to break all systemd services running in a container that use PrivateUsers= and anything else that hits

[Bug 1791958] Re: iptables-restore is missing -w option

2018-09-11 Thread Christian Brauner
** Changed in: iptables (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1791958 Title: iptables-restore is missing -w option To manage notifications about thi

[Bug 1789746] Re: getxattr: always handle namespaced attributes

2018-10-12 Thread Christian Brauner
Hi @kleber-souza, The kernel fixes the issue. I changed the tag to verification-done. Thanks! Christian ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubun

[Bug 1798789] Re: setting limitmlock in systemd results in `ulimit -l` being a thousands smaller in container

2018-10-19 Thread Christian Brauner
It is configurable. For LXD you can do: lxc config set limits.kernel.memlock 200 or in a lxc config file: lxc.prlimit.memlock = 200 ** Changed in: lxd (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which i

[Bug 1799032] [NEW] Update to libcap 2.26

2018-10-21 Thread Christian Brauner
Public bug reported: Hey everyone, We recently pushed support for ambient capabilities and namespaces filesystem capabilities to libcap2 [1]. Together with Andrew Morgan, Serge Hallyn and I have released a version 2.26 of libcap2. Note that libcap2 has moved to a new location [2] The 2.26 rele

[Bug 1734410] Re: systemd: handle undelegated cgroup2 hierarchy

2018-10-08 Thread Christian Brauner
If the systemd version doesn't support hybrid cgroup layout on xenial then fine but I thought it did. But please make sure that Xenial doesn't have anything mounted on /sys/fs/cgroup/unified. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubu

[Bug 1789161] Re: Bypass of mount visibility through userns + mount propagation

2018-11-20 Thread Christian Brauner
** Tags removed: verification-needed-bionic verification-needed-cosmic verification-needed-trusty verification-needed-xenial ** Tags added: verification-done-bionic verification-done-cosmic verification-done-trusty verification-done-xenial -- You received this bug notification because you are a

[Bug 1801924] Re: CVE-2018-18955: nested user namespaces with more than five extents incorrectly grant privileges over inode

2018-11-20 Thread Christian Brauner
** Tags removed: verification-needed-bionic verification-needed-cosmic ** Tags added: verification-done-bionic verification-done-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801924 Title:

[Bug 1789746] Re: getxattr: always handle namespaced attributes

2018-09-20 Thread Christian Brauner
Thanks Joseph, the kernel resolves the issue! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1789746 Title: getxattr: always handle namespaced attributes To manage notifications about this bug go to

[Bug 1824735] [NEW] shiftfs: use after free when checking mount options

2019-04-14 Thread Christian Brauner
ance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) ** Changed in: linux (Ubuntu) Status: New => In Progress ** Description changed: - We currently keep a referenc

[Bug 1824719] Re: [shiftfs] Allow stacking overlayfs on top

2019-04-14 Thread Christian Brauner
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824719 Title: [shiftfs] Allow stacking overlayfs on top

[Bug 1824719] Re: shiftfs: Allow stacking overlayfs on top

2019-04-14 Thread Christian Brauner
** Summary changed: - [shiftfs] Allow stacking overlayfs on top + shiftfs: Allow stacking overlayfs on top -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824719 Title: shiftfs: Allow stacking overl

[Bug 1824735] Re: shiftfs: use after free when checking mount options

2019-04-15 Thread Christian Brauner
** Description changed: SRU Justification - Impact: We currently keep a reference to the shiftfs mark mount's shiftfs_super_info which was stashed in the superblock of the mark mount. The problem is that we only take a reference to the mount of the underlay, i.e. the filesystem that is

[Bug 1824735] Re: shiftfs: use after free when checking mount options

2019-04-15 Thread Christian Brauner
** Description changed: SRU Justification Impact: We currently keep a reference to the shiftfs mark mount's shiftfs_super_info which was stashed in the superblock of the mark mount. The problem is that we only take a reference to the mount of the underlay, i.e. the filesystem that is *u

[Bug 1824735] Re: shiftfs: use after free when checking mount options

2019-04-15 Thread Christian Brauner
** Description changed: SRU Justification Impact: We currently keep a reference to the shiftfs mark mount's shiftfs_super_info which was stashed in the superblock of the mark mount. The problem is that we only take a reference to the mount of the underlay, i.e. the filesystem that is *u

[Bug 1824735] Re: shiftfs: use after free when checking mount options

2019-04-15 Thread Christian Brauner
** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824735 Title: shiftfs: use after free when checking mount options To manage

[Bug 1847744] [NEW] seccomp: add SECCOMP_USER_NOTIF_FLAG_CONTINUE

2019-10-11 Thread Christian Brauner
rn code to trap to userspace") ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) ** Changed in: linux (Ubuntu)

Re: [Bug 1848587] [NEW] lxc 3.0.4-0ubuntu1 ADT test failure with linux 5.4.0-1.2

2019-10-18 Thread Christian Brauner
Is this a flake or consistently reproducible? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848587 Title: lxc 3.0.4-0ubuntu1 ADT test failure with linux 5.4.0-1.2 To manage notifications about thi

[Bug 1843458] Re: linux 5.3 breaks building glibc for riscv64

2019-10-19 Thread Christian Brauner
Fwiw, Seth sent the patch upstream and it's in mainline and backported already: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=61129dd29f7962f278b618a2a3e8fdb986a66dc8 ** Changed in: cross-toolchain-base-ports (Ubuntu) Status: Confirmed => Fix Committed -- Y

[Bug 1849281] [NEW] seccomp: fix SECCOMP_USER_NOTIF_FLAG_CONTINUE test

2019-10-22 Thread Christian Brauner
mp&id=2aa8d8d04ca29c3269154e1d48855e498be8882f ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Status: New => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Ch

[Bug 1860041] [NEW] shiftfs: prevent lower dentries from going negative during unlink

2020-01-16 Thread Christian Brauner
the lower dentry before calling vfs_unlink() on it and dput() it afterwards. Regression Potential: Limited to shiftfs. Test Case: Compiled a kernel with the fix and used the reproducer above to verify that the kernel cannot be crashed anymore. ** Affects: linux (Ubuntu) Importance: Undecide

Re: [Bug 1850667] Re: cgroup v2 is not fully supported yet, proceeding with partial confinement

2019-12-15 Thread Christian Brauner
On Mon, Dec 09, 2019 at 08:41:18PM -, Ryutaroh Matsumoto wrote: > https://github.com/lxc/lxc/issues/3221 Another LXC-container-doesn't > -start-at-all type issue also observed on Ubuntu Eoan with > systemd.unified_cgroup_hierarchy as well as Fedora 31. That seems specific to LXC stable-3.0 wh

[Bug 1857046] Re: lxc 3.0.4-0ubuntu2 ADT test failure with linux 5.5.0-2.3

2020-03-26 Thread Christian Brauner
No, but might have been an allocation error which we fixed in the meantime. The error can only come from: ENOMEM The kernel could not allocate a free page to copy filenames or data into. That's the only reason mount() can fail with ENOMEM from just glancing at the manpage. I'll take another close

Re: [Bug 1865359] Re: sysfs: incorrect network device permissions on network namespace change

2020-03-27 Thread Christian Brauner
On March 27, 2020 10:57:17 PM GMT+01:00, Seth Forshee wrote: >Applied the patches from linux-next, plus one additional fix I saw, >"sysfs: fix static inline declaration of sysfs_groups_change_owner()". >@Christian, please let me know if there are any other fixes we need to >grab. > >** Changed in

[Bug 1869661] Re: lxc 3.23 (?) breaks nested lxd with snaps

2020-03-30 Thread Christian Brauner
I think that's already fixed in the edge snap but we haven't yet rolled that out to stable. Can you test with edge? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869661 Title: lxc 3.23 (?) breaks n

[Bug 1865359] Re: sysfs: incorrect network device permissions on network namespace change

2020-03-01 Thread Christian Brauner
The patch series has been acked upstream and is sitting in Dave Miller's tree. We should backport it to 5.4! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1865359 Title: sysfs: incorrect network dev

[Bug 1865359] [NEW] sysfs: incorrect network device permissions on network namespace change

2020-03-01 Thread Christian Brauner
Public bug reported: SRU Justification Impact: patchsets.) We have been struggling with a bug surrounding the ownership of network device sysfs files when moving network devices between network namespaces owned by different user namespaces reported by multiple users. Currently, when moving netw

[Bug 1865359] Re: sysfs: incorrect network device permissions on network namespace change

2020-03-04 Thread Christian Brauner
That's an old version, sorry. It's already in Dave's tree. The merge commit is here: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=ebb4a4bf76f164457184a3f43ebc1552416bc823 -- You received this bug notification because you are a member of Ubuntu Bugs, which is sub

[Bug 1760173] Re: zfs, zpool commands hangs for 10 seconds without a /dev/zfs

2018-04-30 Thread Christian Brauner
/* * Device creation by udev is asynchronous and waiting may be * required. Busy wait for 10ms and then fall back to polling every * 10ms for the allowed timeout (default 10s, max 10m). This is * done to optimize for the common case where the device is * immediately available and to avoid pena

Re: [Bug 1760173] Re: zfs, zpool commands hangs for 10 seconds without a /dev/zfs

2018-04-30 Thread Christian Brauner
If you're running zfs tools in a container setting the timeout to 0 will likely be helpful. The device node will never appear in the containers /dev since a) it's a tmpfs and b) even if it were a devtmpfs it wouldn't help since devtmpfs isn't namespaced. (In fact udevd will even ignore any device e

Re: [Bug 1760173] Re: zfs, zpool commands hangs for 10 seconds without a /dev/zfs

2018-04-30 Thread Christian Brauner
On Mon, Apr 30, 2018, 12:41 Ryan Harper <1760...@bugs.launchpad.net> wrote: > On Mon, Apr 30, 2018 at 12:14 PM, Colin Ian King > <1760...@bugs.launchpad.net> wrote: > > The code actually polls /dev/zfs until it appears. The issue here is > > that it does not appear after 10 seconds, and then it gi

[Bug 1736804] Re: No tcp_keepalive_time in LXD container

2017-12-07 Thread Christian Brauner
I tested on 4.14 (Ubuntu) and 4.15 (Mainline) tcp_keepalive_time appears on both in new user namespaces. ** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1736804 Tit

[Bug 1736804] Re: No tcp_keepalive_time in LXD container

2017-12-07 Thread Christian Brauner
The relevant commit that namespaces this file is: commit 13b287e8d1cad951634389f85b8c9b816bd3bb1e Author: Nikolay Borisov Date: Thu Jan 7 16:38:43 2016 +0200 ipv4: Namespaceify tcp_keepalive_time sysctl knob Different net namespaces might have different requirements as to the keep

[Bug 1762680] Re: upgrades fail to complete

2018-04-10 Thread Christian Brauner
The first thing we need to see is why this is blocking. Do you have any additional logs? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762680 Title: upgrades fail to complete To manage notificatio

[Bug 1762680] Re: upgrades fail to complete

2018-04-12 Thread Christian Brauner
I'm not super familiar with this but that sounds reasonable to me. The unit shouldn't be re-triggered. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762680 Title: upgrades fail to complete To mana

Re: [Bug 1750654] [NEW] "lxc-create -B best" fails on non-btrfs/zfs system

2018-02-21 Thread Christian Brauner
On Tue, Feb 20, 2018 at 08:43:41PM -, Martin Pitt wrote: > Public bug reported: > > As per documentation, the `-B best` option should automatically select > the best backingstore, falling back all the way to dir. > > But apparently it doesn't, at least not in artful's 2.1.0-0ubuntu1: Hm, is

[Bug 1751780] Re: lxc-snapshot crashes when removing non-existing snapshot

2018-02-26 Thread Christian Brauner
** Changed in: lxc (Ubuntu) Status: New => Won't Fix ** Changed in: lxc (Ubuntu) Status: Won't Fix => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751780 Title: lxc-snapsh

[Bug 1751780] Re: lxc-snapshot crashes when removing non-existing snapshot

2018-02-26 Thread Christian Brauner
** Changed in: lxc (Ubuntu) Status: Confirmed => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1751780 Title: lxc-snapshot crashes when removing non-existing snapshot To manage

[Bug 1770481] [NEW] core: fall back to bind-mounts for PrivateDevices= execution environments

2018-05-10 Thread Christian Brauner
Public bug reported: Hey, Currently any service that has PrivateDevices=true set will fail to start in unprivileged containers since mknod is not possible and in privileged containers that drop CAP_MKNOD. I pushed a patch to systemd upstream that solves this problem and makes PrivateDevices useab

[Bug 1770481] Re: core: fall back to bind-mounts for PrivateDevices= execution environments

2018-05-11 Thread Christian Brauner
We just had a short discussion on systemd and for systemd 229 on 16.04 we also need: 9e5f825280192be429cc79153235d12778427fae : https://github.com/systemd/systemd/commit/9e5f825280192be429cc79153235d12778427fae -- You received this bug notification because you are a member of Ubuntu Bugs, which

[Bug 1755857] [NEW] devpts: handle bind-mounts

2018-03-14 Thread Christian Brauner
Public bug reported: Hey everyone, I sent a few patches to fix a regression caused by wrong behavior in the devpts filesystem when used with the TIOCGPTPEER ioctl() we implemented a while back. The context and reproducer can be taken from my following commit message. The required patches are in G

[Bug 1755857] Re: devpts: handle bind-mounts

2018-03-14 Thread Christian Brauner
Oh sorry, it would be great if we could cherry-pick these as this currently breaks users. Sorry for all the pre-release extra work this causes. :) Christian -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bu

[Bug 1755857] Re: devpts: handle bind-mounts

2018-03-14 Thread Christian Brauner
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1755857 Title: devpts: handle bind-mounts To manage notifications about this bug g

[Bug 1748232] Re: rtnetlink: enable namespace identifying properties in rtnetlink requests

2018-03-15 Thread Christian Brauner
Thanks! Christian -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1748232 Title: rtnetlink: enable namespace identifying properties in rtnetlink requests To manage notifications about this bug go

[Bug 1755857] Re: devpts: handle bind-mounts

2018-03-15 Thread Christian Brauner
TIOCGPTPEER was introduced in 4.13 so if we could backport it to the kernels we still support that would be great. The patches will likely also be included in upstream stable updates. Thanks! Christian -- You received this bug notification because you are a member of Ubuntu Bugs, which is subsc

[Bug 1734410] Re: systemd: handle undelegated cgroup2 hierarchy

2018-03-20 Thread Christian Brauner
** Tags removed: verification-needed verification-needed-artful ** Tags added: verification-done-artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1734410 Title: systemd: handle undelegated cgrou

[Bug 1734410] Re: systemd: handle undelegated cgroup2 hierarchy

2018-03-21 Thread Christian Brauner
Sorry for the brevity before. I tested this with systemd 23{5,6} inside xenial and artful containers which is really the only case where it matters. A systemd with my patch applied would happily: 1. skip over undelegated /sys/fs/cgroup/unified mountpoints (e07aefbd675b651f8d45b5fb458f2747b04d6e

[Bug 1757470] Re: apport autopkgtests broken (valgrind error) LXC regression?

2018-03-21 Thread Christian Brauner
Can we get some logs for the LXC containers that created and fail? Otherwise this is very much a black box. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1757470 Title: apport autopkgtests broken (v

[Bug 1758380] Re: unpriveleged containers no longer could start due to start.c: lxc_spawn: 1555 Failed initializing cgroup support

2018-03-23 Thread Christian Brauner
** Changed in: lxc (Ubuntu) Status: New => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1758380 Title: unpriveleged containers no longer could start due to start.c: lxc_spawn

[Bug 1635382] Re: PrivateNetwork=yes (hostnamed, localed) does not work in lxd

2018-05-08 Thread Christian Brauner
What? That's totally possible. Simply try unshare -n inside an unprivileged container as root. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1635382 Title: PrivateNetwork=yes (hostnamed, localed) do

[Bug 1836912] Re: ipv4: enable route flushing in network namespaces

2019-09-06 Thread Christian Brauner
See https://lists.ubuntu.com/archives/kernel-team/2019-September/103670.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1836912 Title: ipv4: enable route flushing in network namespaces To manage

[Bug 1837231] Re: UBUNTU: SAUCE: shiftfs: pass correct point down

2019-09-06 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837231 Title: UBUNTU: SAUCE: shiftfs: pass correct point down To man

[Bug 1837223] Re: shiftfs: add O_DIRECT support

2019-09-06 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837223 Title: shiftfs: add O_DIRECT support To manage notifications

[Bug 1836912] Re: ipv4: enable route flushing in network namespaces

2019-09-06 Thread Christian Brauner
https://lists.ubuntu.com/archives/kernel-team/2019-September/103672.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1836912 Title: ipv4: enable route flushing in network namespaces To manage not

[Bug 1836910] Re: br_netfilter: namespace sysctl operations

2019-08-20 Thread Christian Brauner
** Tags removed: verification-needed-bionic verification-needed-disco ** Tags added: verification-done-bionic verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1836910 Title: br_

[Bug 1838677] Re: shiftfs: allow overlayfs

2019-08-20 Thread Christian Brauner
** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838677 Title: shiftfs: allow overlayfs To manage notifications abo

[Bug 1841977] [NEW] shiftfs: drop entries from cache on unlink

2019-08-29 Thread Christian Brauner
+1GB sudo lxc exec b1 -- rm dummy.file sudo zfs list default/containers/b1 # will show +1GB on a non-fixed kernel and -1GB on a fixed kernel Target Kernels: All LTS kernels with shiftfs support. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbr

[Bug 1842059] [NEW] shiftfs: mark kmem_cache as reclaimable

2019-08-30 Thread Christian Brauner
cts: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Status: New => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) -- You r

[Bug 1846265] [NEW] shiftfs: rework how shiftfs opens files

2019-10-01 Thread Christian Brauner
Public bug reported: SRU Justification Impact: Currently, shiftfs maintains a kmem cache for struct shiftfs_file_info which stashes away a struct path and the struct file for the underlay. The path however is never used anywhere so the struct shiftfs_file_info and therefore the whole kmem cache c

[Bug 1846265] Re: shiftfs: rework how shiftfs opens files

2019-10-01 Thread Christian Brauner
** Changed in: linux (Ubuntu) Status: Incomplete => In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1846272] [NEW] overlayfs: allow with shiftfs as underlay

2019-10-01 Thread Christian Brauner
uced with the new patch. Target kernels: All LTS kernels that do support shiftfs, if possible. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => C

[Bug 1836912] Re: ipv4: enable route flushing in network namespaces

2019-10-05 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) ** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Christian Brauner (cbrauner) -- You received th

[Bug 1841977] Re: shiftfs: drop entries from cache on unlink

2019-10-05 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco ** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Christian Brauner (cbrauner) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. ht

[Bug 1842059] Re: shiftfs: mark kmem_cache as reclaimable

2019-10-05 Thread Christian Brauner
** Changed in: linux (Ubuntu Disco) Assignee: (unassigned) => Christian Brauner (cbrauner) ** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. ht

[Bug 1828227] [NEW] shiftfs: allow changing ro/rw for subvolumes

2019-05-08 Thread Christian Brauner
Public bug reported: Unprivileged users can already toggle whether a subvolume will be ro or rw. Not having this working with shiftfs regresses various use-cases. Issues have already been seen by Stéphane Graber (Cced here). To enable this with shiftfs we need to whitelist BTRFS_IOC_FS_INFO, BTRFS

[Bug 1836910] Re: br_netfilter: namespace sysctl operations

2019-07-31 Thread Christian Brauner
** Description changed: SRU Justification Impact: Currently, the /proc/sys/net/bridge folder is only created in the initial network namespace. This blocks use-cases where users would like to e.g. not do bridge filtering for bridges in a specific network namespace while doing so for br

[Bug 1838677] [NEW] shiftfs: allow overlayfs

2019-08-01 Thread Christian Brauner
ce-cli containerd.io sudo systemctl stop docker cat < Christian Brauner (cbrauner) ** Changed in: linux (Ubuntu) Status: New => Confirmed ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu

[Bug 1824719] Re: shiftfs: Allow stacking overlayfs on top

2019-08-01 Thread Christian Brauner
SRU request here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838677 Patchset here: https://github.com/brauner/ubuntu-disco/tree/overlayfs_on_shiftfs Mailing list patchset posting here: https://lists.ubuntu.com/archives/kernel-team/2019-August/102741.html ** Changed in: linux (Ubuntu)

[Bug 1838677] Re: shiftfs: allow overlayfs

2019-08-01 Thread Christian Brauner
SRU request here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838677 Patchset here: https://github.com/brauner/ubuntu-disco/tree/overlayfs_on_shiftfs Mailing list patchset posting here: https://lists.ubuntu.com/archives/kernel-team/2019-August/102741.html ** Tags added: shiftfs -- Yo

[Bug 1838677] Re: shiftfs: allow overlayfs

2019-08-15 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838677 Title: shiftfs: allow overlayfs To manage notifications about

[Bug 1831258] Re: journalctl --list-boots does not recognize boots in a container

2019-06-04 Thread Christian Brauner
Several people tried to namespace this but this is really tied to a physical machine so it's kinda tricky to fake. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1831258 Title: journalctl --list-boot

[Bug 1848587] Re: lxc 3.0.4-0ubuntu1 ADT test failure with linux 5.4.0-1.2

2019-11-18 Thread Christian Brauner
Sorry, mail got lost. Here's a fix: https://github.com/lxc/lxc/pull/3187 ** Changed in: lxc (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848587 Titl

[Bug 1848587] Re: lxc 3.0.4-0ubuntu1 ADT test failure with linux 5.4.0-1.2

2019-11-19 Thread Christian Brauner
** Changed in: lxc (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848587 Title: lxc 3.0.4-0ubuntu1 ADT test failure with linux 5.4.0-1.2 To mana

[Bug 1849483] Re: shiftfs: prevent exceeding project quotas

2019-11-20 Thread Christian Brauner
** Tags removed: verification-needed-disco verification-needed-eoan ** Tags added: verification-done-disco verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849483 Title: shiftfs

[Bug 1849281] Re: seccomp: fix SECCOMP_USER_NOTIF_FLAG_CONTINUE test

2019-11-20 Thread Christian Brauner
** Tags removed: verification-needed-disco verification-needed-eoan ** Tags added: verification-done-disco verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849281 Title: seccomp

[Bug 1849482] Re: shiftfs: fix fallocate()

2019-11-20 Thread Christian Brauner
** Tags removed: verification-needed-disco verification-needed-eoan ** Tags added: verification-done-disco verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849482 Title: shiftfs

[Bug 1846272] Re: overlayfs: allow with shiftfs as underlay

2019-10-23 Thread Christian Brauner
** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846272 Title: overlayfs: allow with shiftfs as underlay To manage no

[Bug 1849482] [NEW] shiftfs: fix fallocate()

2019-10-23 Thread Christian Brauner
t on a fixed kernel and see that the call succeeds and the file is of the expected size. Target Kernels: All LTS kernels with shiftfs support. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (U

[Bug 1849483] [NEW] shiftfs: prevent exceeding project quotas

2019-10-23 Thread Christian Brauner
pport. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner (cbrauner) Status: In Progress ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Christian Brauner (cbrauner) ** Changed in: linux (Ubuntu) Status: New => In Progress -- Y

[Bug 1847744] Re: seccomp: add SECCOMP_USER_NOTIF_FLAG_CONTINUE

2019-10-25 Thread Christian Brauner
** Tags removed: verification-needed-disco verification-needed-eoan ** Tags added: verification-done-disco verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847744 Title: seccomp

[Bug 1846265] Re: shiftfs: rework how shiftfs opens files

2019-10-25 Thread Christian Brauner
** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846265 Title: shiftfs: rework how shiftfs opens files To manage notifi

[Bug 1846272] Re: overlayfs: allow with shiftfs as underlay

2019-10-25 Thread Christian Brauner
** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846272 Title: overlayfs: allow with shiftfs as underlay To manage noti

[Bug 1836910] Re: br_netfilter: namespace sysctl operations

2019-09-16 Thread Christian Brauner
** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1836910 Title: br_netfilter: namespace sysctl operations To manage

[Bug 1884024] Re: lxc-test-device-add-remove from ubuntu_lxc failed on B-5.4

2021-01-11 Thread Christian Brauner
This has been fixed a long while ago: commit 920cbb00268ce50d1306daebb74871f66583a46c Author: Christian Brauner Date: Mon Nov 18 15:08:22 2019 +0100 tests: use /dev/loop-control instead of /dev/network_latency BugLink: https://bugs.launchpad.net/bugs/1848587 The latter device

[Bug 1888705] Re: lxc ftbfs against libselinux 3.1

2020-07-25 Thread Christian Brauner
https://github.com/lxc/lxc/pull/3498 ** Changed in: lxc (Ubuntu) Status: New => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888705 Title: lxc ftbfs against libselinux 3.1 To

[Bug 1872094] Re: shiftfs: broken shiftfs nesting

2020-04-10 Thread Christian Brauner
See https://github.com/brauner/ubuntu-unstable/commits/2020-04-10/shiftfs_nesting for fix. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872094 Title: shiftfs: broken shiftfs nesting To manage not

[Bug 1872094] Re: shiftfs: broken shiftfs nesting

2020-04-10 Thread Christian Brauner
This should preferably be backported to all LTS kernels that support shiftfs. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872094 Title: shiftfs: broken shiftfs nesting To manage notifications ab

[Bug 1872094] [NEW] shiftfs: broken shiftfs nesting

2020-04-10 Thread Christian Brauner
to the lowers mount to get around vfs layering restrictions. Regression Potential: Limited to shiftfs. Test Case: Built a kernel with the mentioned fix and ran the reproducer. The issue was not reproducible. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: Christian Brauner

[Bug 1884767] Re: shiftfs: fix btrfs regression

2020-07-03 Thread Christian Brauner
** Tags removed: verification-needed-eoan ** Tags added: verification-done-eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1884767 Title: shiftfs: fix btrfs regression To manage notifications ab

[Bug 1879454] [NEW] Set CONFIG_USELIB=n in Ubuntu kernels

2020-05-19 Thread Christian Brauner
Public bug reported: We're currently planning to be more proactive in deprecating the uselib() syscall similar to how we deprecated the sysctl() syscall. This will be a long process of course but the starting point is to set CONFIG_USELIB=n in all new Ubuntu versions. I spoke to Eric and apparentl

[Bug 1879454] Re: Set CONFIG_USELIB=n in Ubuntu kernels

2020-05-19 Thread Christian Brauner
So I've gone through codesearch on Debian and there are no users apart from a bunch of defines for __NR_uselib when it isn't defined. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879454 Title: Set

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