* [PATCH 4.9 0/2] 4.9.301-rc1 review
@ 2022-02-09 19:13 Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 1/2] cgroup-v1: Require capabilities to set release_agent Greg Kroah-Hartman
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: Greg Kroah-Hartman @ 2022-02-09 19:13 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, torvalds, akpm, linux, shuah,
patches, lkft-triage, pavel, jonathanh, f.fainelli,
sudipm.mukherjee, slade
This is the start of the stable review cycle for the 4.9.301 release.
There are 2 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.301-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux 4.9.301-rc1
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
moxart: fix potential use-after-free on remove path
Eric W. Biederman <ebiederm@xmission.com>
cgroup-v1: Require capabilities to set release_agent
-------------
Diffstat:
Makefile | 4 ++--
drivers/mmc/host/moxart-mmc.c | 2 +-
kernel/cgroup.c | 26 ++++++++++++++++++++++++++
3 files changed, 29 insertions(+), 3 deletions(-)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 4.9 1/2] cgroup-v1: Require capabilities to set release_agent
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
@ 2022-02-09 19:13 ` Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 2/2] moxart: fix potential use-after-free on remove path Greg Kroah-Hartman
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Greg Kroah-Hartman @ 2022-02-09 19:13 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Tabitha Sable, Eric W. Biederman,
Tejun Heo, Michal Koutný
From: Eric W. Biederman <ebiederm@xmission.com>
commit 24f6008564183aa120d07c03d9289519c2fe02af upstream.
The cgroup release_agent is called with call_usermodehelper. The function
call_usermodehelper starts the release_agent with a full set fo capabilities.
Therefore require capabilities when setting the release_agaent.
Reported-by: Tabitha Sable <tabitha.c.sable@gmail.com>
Tested-by: Tabitha Sable <tabitha.c.sable@gmail.com>
Fixes: 81a6a5cdd2c5 ("Task Control Groups: automatic userspace notification of idle cgroups")
Cc: stable@vger.kernel.org # v2.6.24+
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
[mkoutny: Adjust for pre-fs_context, duplicate mount/remount check, drop log messages.]
Acked-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/cgroup.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1854,6 +1854,7 @@ static int cgroup_remount(struct kernfs_
{
int ret = 0;
struct cgroup_root *root = cgroup_root_from_kf(kf_root);
+ struct cgroup_namespace *ns = current->nsproxy->cgroup_ns;
struct cgroup_sb_opts opts;
u16 added_mask, removed_mask;
@@ -1873,6 +1874,13 @@ static int cgroup_remount(struct kernfs_
pr_warn("option changes via remount are deprecated (pid=%d comm=%s)\n",
task_tgid_nr(current), current->comm);
+ /* See cgroup_mount release_agent handling */
+ if (opts.release_agent &&
+ ((ns->user_ns != &init_user_ns) || !capable(CAP_SYS_ADMIN))) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
added_mask = opts.subsys_mask & ~root->subsys_mask;
removed_mask = root->subsys_mask & ~opts.subsys_mask;
@@ -2248,6 +2256,16 @@ static struct dentry *cgroup_mount(struc
goto out_unlock;
}
+ /*
+ * Release agent gets called with all capabilities,
+ * require capabilities to set release agent.
+ */
+ if (opts.release_agent &&
+ ((ns->user_ns != &init_user_ns) || !capable(CAP_SYS_ADMIN))) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
root = kzalloc(sizeof(*root), GFP_KERNEL);
if (!root) {
ret = -ENOMEM;
@@ -3026,6 +3044,14 @@ static ssize_t cgroup_release_agent_writ
BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX);
+ /*
+ * Release agent gets called with all capabilities,
+ * require capabilities to set release agent.
+ */
+ if ((of->file->f_cred->user_ns != &init_user_ns) ||
+ !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
cgrp = cgroup_kn_lock_live(of->kn, false);
if (!cgrp)
return -ENODEV;
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 4.9 2/2] moxart: fix potential use-after-free on remove path
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 1/2] cgroup-v1: Require capabilities to set release_agent Greg Kroah-Hartman
@ 2022-02-09 19:13 ` Greg Kroah-Hartman
2022-02-10 0:59 ` [PATCH 4.9 0/2] 4.9.301-rc1 review Shuah Khan
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Greg Kroah-Hartman @ 2022-02-09 19:13 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ulf Hansson, Xiyu Yang, Xin Xiong,
Xin Tan, Tony Lindgren, Yang Li, linux-mmc, whitehat002
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit bd2db32e7c3e35bd4d9b8bbff689434a50893546 upstream.
It was reported that the mmc host structure could be accessed after it
was freed in moxart_remove(), so fix this by saving the base register of
the device and using it instead of the pointer dereference.
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: Xin Xiong <xiongx18@fudan.edu.cn>
Cc: Xin Tan <tanxin.ctf@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Cc: linux-mmc@vger.kernel.org
Cc: stable <stable@vger.kernel.org>
Reported-by: whitehat002 <hackyzh002@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220127071638.4057899-1-gregkh@linuxfoundation.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/host/moxart-mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -698,12 +698,12 @@ static int moxart_remove(struct platform
if (!IS_ERR(host->dma_chan_rx))
dma_release_channel(host->dma_chan_rx);
mmc_remove_host(mmc);
- mmc_free_host(mmc);
writel(0, host->base + REG_INTERRUPT_MASK);
writel(0, host->base + REG_POWER_CONTROL);
writel(readl(host->base + REG_CLOCK_CONTROL) | CLK_OFF,
host->base + REG_CLOCK_CONTROL);
+ mmc_free_host(mmc);
}
return 0;
}
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 1/2] cgroup-v1: Require capabilities to set release_agent Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 2/2] moxart: fix potential use-after-free on remove path Greg Kroah-Hartman
@ 2022-02-10 0:59 ` Shuah Khan
2022-02-10 4:06 ` Florian Fainelli
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Shuah Khan @ 2022-02-10 0:59 UTC (permalink / raw)
To: Greg Kroah-Hartman, linux-kernel
Cc: stable, torvalds, akpm, linux, shuah, patches, lkft-triage,
pavel, jonathanh, f.fainelli, sudipm.mukherjee, slade,
Shuah Khan
On 2/9/22 12:13 PM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.301-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
Compiled and booted on my test system. No dmesg regressions.
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
thanks,
-- Shuah
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
` (2 preceding siblings ...)
2022-02-10 0:59 ` [PATCH 4.9 0/2] 4.9.301-rc1 review Shuah Khan
@ 2022-02-10 4:06 ` Florian Fainelli
2022-02-10 8:33 ` Jon Hunter
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Florian Fainelli @ 2022-02-10 4:06 UTC (permalink / raw)
To: Greg Kroah-Hartman, linux-kernel
Cc: stable, torvalds, akpm, linux, shuah, patches, lkft-triage,
pavel, jonathanh, sudipm.mukherjee, slade
On 2/9/2022 11:13 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.301-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels:
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
` (3 preceding siblings ...)
2022-02-10 4:06 ` Florian Fainelli
@ 2022-02-10 8:33 ` Jon Hunter
2022-02-10 17:32 ` Naresh Kamboju
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: Jon Hunter @ 2022-02-10 8:33 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: Greg Kroah-Hartman, stable, torvalds, akpm, linux, shuah,
patches, lkft-triage, pavel, jonathanh, f.fainelli,
sudipm.mukherjee, slade, linux-tegra
On Wed, 09 Feb 2022 20:13:31 +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.301-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
All tests passing for Tegra ...
Test results for stable-v4.9:
8 builds: 8 pass, 0 fail
16 boots: 16 pass, 0 fail
32 tests: 32 pass, 0 fail
Linux version: 4.9.301-rc1-g2b86ebafad46
Boards tested: tegra124-jetson-tk1, tegra20-ventana,
tegra210-p2371-2180, tegra30-cardhu-a04
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Jon
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
` (4 preceding siblings ...)
2022-02-10 8:33 ` Jon Hunter
@ 2022-02-10 17:32 ` Naresh Kamboju
2022-02-10 20:55 ` Slade Watkins
2022-02-10 20:58 ` Guenter Roeck
7 siblings, 0 replies; 9+ messages in thread
From: Naresh Kamboju @ 2022-02-10 17:32 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: linux-kernel, stable, torvalds, akpm, linux, shuah, patches,
lkft-triage, pavel, jonathanh, f.fainelli, sudipm.mukherjee,
slade
On Thu, 10 Feb 2022 at 00:44, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.301-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
Results from Linaro’s test farm.
No regressions on arm64, arm, x86_64, and i386.
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
## Build
* kernel: 4.9.301-rc1
* git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
* git branch: linux-4.9.y
* git commit: 2b86ebafad46c4f70ed4fbe3a0aff9c3e9b61763
* git describe: v4.9.299-52-g2b86ebafad46
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-4.9.y/build/v4.9.299-52-g2b86ebafad46
## Test Regressions (compared to v4.9.299-49-gfa39f098578a)
No test regressions found.
## Metric Regressions (compared to v4.9.299-49-gfa39f098578a)
No metric regressions found.
## Test Fixes (compared to v4.9.299-49-gfa39f098578a)
No test fixes found.
## Metric Fixes (compared to v4.9.299-49-gfa39f098578a)
No metric fixes found.
## Test result summary
total: 54263, pass: 45234, fail: 188, skip: 7979, xfail: 862
## Build Summary
* arm: 254 total, 238 passed, 16 failed
* arm64: 32 total, 32 passed, 0 failed
* i386: 18 total, 18 passed, 0 failed
* mips: 22 total, 22 passed, 0 failed
* sparc: 12 total, 12 passed, 0 failed
* x86_64: 31 total, 31 passed, 0 failed
## Test suites summary
* fwts
* igt-gpu-tools
* kselftest-android
* kselftest-arm64
* kselftest-arm64/arm64.btitest.bti_c_func
* kselftest-arm64/arm64.btitest.bti_j_func
* kselftest-arm64/arm64.btitest.bti_jc_func
* kselftest-arm64/arm64.btitest.bti_none_func
* kselftest-arm64/arm64.btitest.nohint_func
* kselftest-arm64/arm64.btitest.paciasp_func
* kselftest-arm64/arm64.nobtitest.bti_c_func
* kselftest-arm64/arm64.nobtitest.bti_j_func
* kselftest-arm64/arm64.nobtitest.bti_jc_func
* kselftest-arm64/arm64.nobtitest.bti_none_func
* kselftest-arm64/arm64.nobtitest.nohint_func
* kselftest-arm64/arm64.nobtitest.paciasp_func
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-drivers
* kselftest-efivarfs
* kselftest-filesystems
* kselftest-firmware
* kselftest-fpu
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-ir
* kselftest-kcmp
* kselftest-kvm
* kselftest-lib
* kselftest-livepatch
* kselftest-membarrier
* kselftest-openat2
* kselftest-pid_namespace
* kselftest-pidfd
* kselftest-proc
* kselftest-pstore
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-splice
* kselftest-static_keys
* kselftest-sync
* kselftest-sysctl
* kselftest-timens
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user
* kselftest-vm
* kselftest-x86
* kselftest-zram
* kvm-unit-tests
* libhugetlbfs
* linux-log-parser
* ltp-cap_bounds-tests
* ltp-commands-tests
* ltp-containers-tests
* ltp-controllers-tests
* ltp-cpuhotplug-tests
* ltp-crypto-tests
* ltp-cve-tests
* ltp-dio-tests
* ltp-fcntl-locktests-tests
* ltp-filecaps-tests
* ltp-fs-tests
* ltp-fs_bind-tests
* ltp-fs_perms_simple-tests
* ltp-fsx-tests
* ltp-hugetlb-tests
* ltp-io-tests
* ltp-ipc-tests
* ltp-math-tests
* ltp-mm-tests
* ltp-nptl-tests
* ltp-open-posix-tests
* ltp-pty-tests
* ltp-sched-tests
* ltp-securebits-tests
* ltp-syscalls-tests
* ltp-tracing-tests
* network-basic-tests
* packetdrill
* ssuite
* v4l2-compliance
--
Linaro LKFT
https://lkft.linaro.org
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
` (5 preceding siblings ...)
2022-02-10 17:32 ` Naresh Kamboju
@ 2022-02-10 20:55 ` Slade Watkins
2022-02-10 20:58 ` Guenter Roeck
7 siblings, 0 replies; 9+ messages in thread
From: Slade Watkins @ 2022-02-10 20:55 UTC (permalink / raw)
To: Greg Kroah-Hartman, linux-kernel
Cc: stable, Linus Torvalds, Andrew Morton, Guenter Roeck, shuah,
patches, lkft-triage, Pavel Machek, Jon Hunter, Florian Fainelli,
Sudip Mukherjee
On Wed, Feb 9, 2022, at 2:13 PM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
Compiled and booted 4.9.301-rc1 on my x86_64 test system successfully without errors or regressions.
Tested-by: Slade Watkins <slade@sladewatkins.com>
Thanks,
Slade
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 4.9 0/2] 4.9.301-rc1 review
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
` (6 preceding siblings ...)
2022-02-10 20:55 ` Slade Watkins
@ 2022-02-10 20:58 ` Guenter Roeck
7 siblings, 0 replies; 9+ messages in thread
From: Guenter Roeck @ 2022-02-10 20:58 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: linux-kernel, stable, torvalds, akpm, shuah, patches,
lkft-triage, pavel, jonathanh, f.fainelli, sudipm.mukherjee,
slade
On Wed, Feb 09, 2022 at 08:13:31PM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.9.301 release.
> There are 2 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Fri, 11 Feb 2022 19:12:41 +0000.
> Anything received after that time might be too late.
>
Build results:
total: 163 pass: 163 fail: 0
Qemu test results:
total: 397 pass: 397 fail: 0
Tested-by: Guenter Roeck <linux@roeck-us.net>
Guenter
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2022-02-10 20:58 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-09 19:13 [PATCH 4.9 0/2] 4.9.301-rc1 review Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 1/2] cgroup-v1: Require capabilities to set release_agent Greg Kroah-Hartman
2022-02-09 19:13 ` [PATCH 4.9 2/2] moxart: fix potential use-after-free on remove path Greg Kroah-Hartman
2022-02-10 0:59 ` [PATCH 4.9 0/2] 4.9.301-rc1 review Shuah Khan
2022-02-10 4:06 ` Florian Fainelli
2022-02-10 8:33 ` Jon Hunter
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